diff options
Diffstat (limited to 'src')
46 files changed, 3821 insertions, 512 deletions
diff --git a/src/battle/anim/dark.c b/src/battle/anim/dark.c new file mode 100755 index 000000000..8ceb00298 --- /dev/null +++ b/src/battle/anim/dark.c @@ -0,0 +1,138 @@ +#include "global.h" +#include "rom_8077ABC.h" +#include "trig.h" +#include "battle_anim.h" +#include "sound.h" +#include "scanline_effect.h" + +void sub_80DFE90(struct Sprite *sprite); + +void sub_80DFC9C(u8 taskId); +void sub_80DFD58(u8 taskId); + +extern s16 gBattleAnimArgs[]; +extern u8 gAnimBankAttacker; +extern u8 gAnimBankTarget; +extern u8 gObjectBankIDs[]; + +// used in Smoke Ball escape, Sky Attack, Feint Attack and Camouflage + +void sub_80DFC24(u8 taskId) +{ + int bank; + gTasks[taskId].data[0] = gBattleAnimArgs[0]; + bank = gAnimBankAttacker; + gTasks[taskId].data[1] = 16; + REG_BLDALPHA = 16; + if (GetBankIdentity_permutated(bank) == 1) + REG_BLDCNT = 0x3F42; + else + REG_BLDCNT = 0x3F44; + gTasks[taskId].func = sub_80DFC9C; +} + +void sub_80DFC9C(u8 taskId) +{ + u8 r2 = gTasks[taskId].data[1] >> 8; + u8 r1 = gTasks[taskId].data[1]; + if (gTasks[taskId].data[2] == (u8)gTasks[taskId].data[0]) + { + r2++; + r1--; + gTasks[taskId].data[1] = (r2 << 8) | r1; + REG_BLDALPHA = (r2 << 8) | r1; + gTasks[taskId].data[2] = 0; + if (r2 == 16) + { + gSprites[gObjectBankIDs[gAnimBankAttacker]].invisible = 1; + DestroyAnimVisualTask(taskId); + } + } + else + gTasks[taskId].data[2]++; +} + +void sub_80DFD24(u8 taskId) +{ + gTasks[taskId].data[0] = gBattleAnimArgs[0]; + gTasks[taskId].data[1] = 0x1000; + gTasks[taskId].func = sub_80DFD58; + REG_BLDALPHA = 0x1000; +} + +void sub_80DFD58(u8 taskId) +{ + u8 r1 = gTasks[taskId].data[1] >> 8; + u8 r5 = gTasks[taskId].data[1]; + if (gTasks[taskId].data[2] == (u8)gTasks[taskId].data[0]) + { + r1--; + r5++; + gTasks[taskId].data[1] = (r1 << 8) | r5; + REG_BLDALPHA = (r1 << 8) | r5; + gTasks[taskId].data[2] = 0; + if (r1 == 0) + { + REG_BLDCNT = 0; + REG_BLDALPHA = 0; + DestroyAnimVisualTask(taskId); + } + } + else + gTasks[taskId].data[2]++; +} + +// unlike the above is only used in Feint Attack + +void sub_80DFDC0(u8 taskId) +{ + REG_BLDALPHA = 0x1000; + if (GetBankIdentity_permutated(gAnimBankAttacker) == 1) + REG_BLDCNT = 0x3F42; + else + REG_BLDCNT = 0x3F44; + DestroyAnimVisualTask(taskId); +} + +// unused sprite template's callback + +void sub_80DFE14(struct Sprite *sprite) +{ + sprite->data[1] = GetBankPosition(gAnimBankTarget, 2); + sprite->data[2] = GetBankPosition(gAnimBankAttacker, 2); + sprite->data[3] = GetBankPosition(gAnimBankTarget, 3); + sprite->data[4] = GetBankPosition(gAnimBankAttacker, 3); + sprite->data[0] = 0x7E; + sub_8078A5C(sprite); + sprite->data[3] = -sprite->data[1]; + sprite->data[4] = -sprite->data[2]; + sprite->data[6] = 0xFFD8; + sprite->callback = sub_80DFE90; + sub_80DFE90(sprite); +} + +void sub_80DFE90(struct Sprite *sprite) +{ + sprite->data[3] += sprite->data[1]; + sprite->data[4] += sprite->data[2]; + sprite->pos2.x = sprite->data[3] >> 8; + sprite->pos2.y = sprite->data[4] >> 8; + if (sprite->data[7] == 0) + { + sprite->data[3] += sprite->data[1]; + sprite->data[4] += sprite->data[2]; + sprite->pos2.x = sprite->data[3] >> 8; + sprite->pos2.y = sprite->data[4] >> 8; + sprite->data[0]--; + } + sprite->pos2.y += Sin(sprite->data[5], sprite->data[6]); + sprite->data[5] = (sprite->data[5] + 3) & 0xFF; + if (sprite->data[5] > 0x7F) + { + sprite->data[5] = 0; + sprite->data[6] += 20; + sprite->data[7]++; + } + if (--sprite->data[0] == 0) + DestroyAnimSprite(sprite); +} diff --git a/src/battle/anim/dragon.c b/src/battle/anim/dragon.c new file mode 100755 index 000000000..bf39e01c0 --- /dev/null +++ b/src/battle/anim/dragon.c @@ -0,0 +1,275 @@ +#include "global.h" +#include "rom_8077ABC.h" +#include "trig.h" +#include "battle_anim.h" +#include "sound.h" +#include "scanline_effect.h" + +void sub_80DF81C(struct Sprite *sprite); +void sub_80DFBD8(struct Sprite *sprite); + +void sub_80DF9F4(u8 taskId); + +void sub_80DFAB0(struct Task *task); + +extern s16 gBattleAnimArgs[]; +extern u8 gAnimBankAttacker; +extern u8 gAnimBankTarget; +extern u8 gBankAttacker; +extern u16 gBattle_BG1_X; +extern u16 gBattle_BG2_X; +extern u16 gUnknown_03000730[]; +extern u8 gObjectBankIDs[]; + +// Outrage + +void sub_80DF5A0(struct Sprite *sprite) +{ + sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2); + sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3); + if (GetBankSide(gAnimBankAttacker)) + { + sprite->pos1.x -= gBattleAnimArgs[0]; + gBattleAnimArgs[3] = -gBattleAnimArgs[3]; + gBattleAnimArgs[4] = -gBattleAnimArgs[4]; + } + else + sprite->pos1.x += gBattleAnimArgs[0]; + sprite->pos1.y += gBattleAnimArgs[1]; + sprite->data[0] = gBattleAnimArgs[2]; + sprite->data[1] = gBattleAnimArgs[3]; + sprite->data[3] = gBattleAnimArgs[4]; + sprite->data[5] = gBattleAnimArgs[5]; + sprite->invisible = 1; + StoreSpriteCallbackInData(sprite, move_anim_8074EE0); + sprite->callback = sub_8078504; +} + +// part of Dragon Breath + +void sub_80DF63C(struct Sprite *sprite) +{ + sub_8078650(sprite); + sprite->data[2] = GetBankPosition(gAnimBankTarget, 2); + sprite->data[4] = GetBankPosition(gAnimBankTarget, 3); + if (GetBankSide(gAnimBankAttacker)) + { + sprite->pos1.x -= gBattleAnimArgs[1]; + sprite->pos1.y += gBattleAnimArgs[1]; + sprite->data[2] -= gBattleAnimArgs[2]; + sprite->data[4] += gBattleAnimArgs[3]; + } + else + { + sprite->pos1.x += gBattleAnimArgs[0]; + sprite->pos1.y += gBattleAnimArgs[1]; + sprite->data[2] += gBattleAnimArgs[2]; + sprite->data[4] += gBattleAnimArgs[3]; + StartSpriteAnim(sprite, 1); + } + sprite->data[0] = gBattleAnimArgs[4]; + sprite->callback = sub_8078B34; + StoreSpriteCallbackInData(sprite, move_anim_8074EE0); +} + +// Dragon Rage + +void sub_80DF6F0(struct Sprite *sprite) +{ + if (gBattleAnimArgs[0] == 0) + { + sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 0); + sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 1); + } + else + { + sprite->pos1.x = GetBankPosition(gAnimBankTarget, 0); + sprite->pos1.y = GetBankPosition(gAnimBankTarget, 1); + } + sub_807867C(sprite, gBattleAnimArgs[1]); + sprite->pos1.y += gBattleAnimArgs[2]; + sprite->callback = sub_8078600; + StoreSpriteCallbackInData(sprite, move_anim_8074EE0); +} + +// Dragon Breath init + +void sub_80DF760(struct Sprite *sprite) +{ + if (GetBankSide(gAnimBankAttacker)) + StartSpriteAffineAnim(sprite, 1); + sub_80DF63C(sprite); +} + +//next 2 tasks might be Dragon Dance orbs? + +void sub_80DF78C(struct Sprite *sprite) +{ + u16 r5; + u16 r0; + sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2); + sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3); + sprite->data[4] = 0; + sprite->data[5] = 1; + sprite->data[6] = gBattleAnimArgs[0]; + r5 = sub_807A100(gBankAttacker, 0); + r0 = sub_807A100(gBankAttacker, 1); + if (r5 > r0) + sprite->data[7] = r5 / 2; + else + sprite->data[7] = r0 / 2; + sprite->pos2.x = Cos(sprite->data[6], sprite->data[7]); + sprite->pos2.y = Sin(sprite->data[6], sprite->data[7]); + sprite->callback = sub_80DF81C; +} + +void sub_80DF81C(struct Sprite *sprite) +{ + switch (sprite->data[0]) + { + case 0: + sprite->data[6] = (sprite->data[6] - sprite->data[5]) & 0xFF; + sprite->pos2.x = Cos(sprite->data[6], sprite->data[7]); + sprite->pos2.y = Sin(sprite->data[6], sprite->data[7]); + if (++sprite->data[4] > 5) + { + sprite->data[4] = 0; + if (sprite->data[5] <= 15 && ++sprite->data[5] > 15) + sprite->data[5] = 16; + } + if (++sprite->data[3] > 0x3C) + { + sprite->data[3] = 0; + sprite->data[0]++; + } + break; + case 1: + sprite->data[6] = (sprite->data[6] - sprite->data[5]) & 0xFF; + if (sprite->data[7] <= 0x95 && (sprite->data[7] += 8) > 0x95) + sprite->data[7] = 0x96; + sprite->pos2.x = Cos(sprite->data[6], sprite->data[7]); + sprite->pos2.y = Sin(sprite->data[6], sprite->data[7]); + if (++sprite->data[4] > 5) + { + sprite->data[4] = 0; + if (sprite->data[5] <= 15 && ++sprite->data[5] > 15) + sprite->data[5] = 16; + } + if (++sprite->data[3] > 20) + DestroyAnimSprite(sprite); + break; + } +} + +// Dragon Dance scanline eff + +void sub_80DF924(u8 taskId) +{ + struct ScanlineEffectParams sp; + struct Task *task = &gTasks[taskId]; + u16 i; + u8 r1; + if (GetBankIdentity_permutated(gAnimBankAttacker) == 1) + { + sp.dmaDest = ®_BG1HOFS; + task->data[2] = gBattle_BG1_X; + } + else + { + sp.dmaDest = ®_BG2HOFS; + task->data[2] = gBattle_BG2_X; + } + sp.dmaControl = 0xA2600001; + sp.initState = 1; + sp.unused9 = 0; + r1 = sub_8077FC0(gAnimBankAttacker); + task->data[3] = r1 - 32; + task->data[4] = r1 + 32; + if (task->data[3] < 0) + task->data[3] = 0; + for(i = task->data[3];i <= task->data[4];i++) + { + gScanlineEffectRegBuffers[0][i] = task->data[2]; + gScanlineEffectRegBuffers[1][i] = task->data[2]; + } + ScanlineEffect_SetParams(sp); + task->func = sub_80DF9F4; +} + +void sub_80DF9F4(u8 taskId) +{ + struct Task *task = &gTasks[taskId]; + switch (task->data[0]) + { + case 0: + if (++task->data[7] > 1) + { + task->data[7] = 0; + if (++task->data[6] == 3) + task->data[0]++; + } + sub_80DFAB0(task); + break; + case 1: + if (++task->data[1] > 0x3C) + task->data[0]++; + sub_80DFAB0(task); + break; + case 2: + if (++task->data[7] > 1) + { + task->data[7] = 0; + if (--task->data[6] == 0) + task->data[0]++; + } + sub_80DFAB0(task); + break; + case 3: + gScanlineEffect.state = 3; + task->data[0]++; + break; + case 4: + DestroyAnimVisualTask(taskId); + break; + } +} + +void sub_80DFAB0(struct Task *task) +{ + u16 r3 = task->data[5]; + u16 i; + for (i = task->data[3]; i <= task->data[4]; i++) + { + gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer][i] = ((gSineTable[r3] * task->data[6]) >> 7) + task->data[2]; + r3 = (r3 + 8) & 0xFF; + } + task->data[5] = (task->data[5] + 9) & 0xFF; +} + +// Overheat + +void sub_80DFB28(struct Sprite *sprite) +{ + int r6 = (gBattleAnimArgs[2] * 3) / 5; + int i; + sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2); + sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3) + gBattleAnimArgs[4]; + sprite->data[1] = Cos(gBattleAnimArgs[1], gBattleAnimArgs[2]); + sprite->data[2] = Sin(gBattleAnimArgs[1], r6); + sprite->pos1.x += sprite->data[1] * gBattleAnimArgs[0]; + sprite->pos1.y += sprite->data[2] * gBattleAnimArgs[0]; + sprite->data[3] = gBattleAnimArgs[3]; + sprite->callback = sub_80DFBD8; + for (i = 0; i <= 6; i++) + gUnknown_03000730[i] = sprite->data[i]; +} + +void sub_80DFBD8(struct Sprite *sprite) +{ + sprite->data[4] += sprite->data[1]; + sprite->data[5] += sprite->data[2]; + sprite->pos2.x = sprite->data[4] / 10; + sprite->pos2.y = sprite->data[5] / 10; + if (++sprite->data[0] > sprite->data[3]) + DestroyAnimSprite(sprite); +} diff --git a/src/battle/anim/draw.c b/src/battle/anim/draw.c index 3adb62e06..f9e505bf2 100755 --- a/src/battle/anim/draw.c +++ b/src/battle/anim/draw.c @@ -3,7 +3,7 @@ #include "trig.h" #include "battle_anim.h" #include "sound.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern s16 gBattleAnimArgs[]; extern u8 gAnimBankAttacker; @@ -21,7 +21,8 @@ static void sub_80D0E8C(struct Sprite* sprite); void sub_80D0C88(u8 taskId) { struct Task* task = &gTasks[taskId]; - struct UnknownTaskStruct sp; + struct ScanlineEffectParams params; + s16 i; task->data[0] = sub_8077FC0(gAnimBankTarget) + 32; task->data[1] = 4; @@ -30,30 +31,31 @@ void sub_80D0C88(u8 taskId) task->data[4] = 0; task->data[5] = 0; task->data[15] = sub_807A100(gAnimBankTarget, 0); + if (GetBankIdentity_permutated(gAnimBankTarget) == 1) { task->data[6] = gBattle_BG1_X; - sp.dest = (u16 *)REG_ADDR_BG1HOFS; + params.dmaDest = (u16 *)REG_ADDR_BG1HOFS; } else { task->data[6] = gBattle_BG2_X; - sp.dest = (u16 *)REG_ADDR_BG2HOFS; + params.dmaDest = (u16 *)REG_ADDR_BG2HOFS; } for (i = task->data[0] - 0x40; i <= task->data[0];i++) { if (i >= 0) { - gUnknown_03004DE0[0][i] = task->data[6] + 0xF0; - gUnknown_03004DE0[1][i] = task->data[6] + 0xF0; + gScanlineEffectRegBuffers[0][i] = task->data[6] + 0xF0; + gScanlineEffectRegBuffers[1][i] = task->data[6] + 0xF0; } } - sp.control = 0xa2600001; - sp.unk8 = 1; - sp.unk9 = 0; - sub_80895F8(sp); + params.dmaControl = SCANLINE_EFFECT_DMACNT_16BIT; + params.initState = 1; + params.unused9 = 0; + ScanlineEffect_SetParams(params); task->func = sub_80D0D68; } @@ -91,13 +93,13 @@ void sub_80D0D68(u8 taskId) if (task->data[5] >= 0) { - gUnknown_03004DE0[0][task->data[5]] = task->data[6]; - gUnknown_03004DE0[1][task->data[5]] = task->data[6]; + gScanlineEffectRegBuffers[0][task->data[5]] = task->data[6]; + gScanlineEffectRegBuffers[1][task->data[5]] = task->data[6]; } if (++task->data[3] >= task->data[15]) { - gUnknown_03004DC0.unk15 = 3; + gScanlineEffect.unk15 = 3; DestroyAnimVisualTask(taskId); } } @@ -178,7 +180,7 @@ _080D0DE0:\n\ ldrsh r0, [r3, r1]\n\ cmp r0, 0\n\ blt _080D0E04\n\ - ldr r2, _080D0E28 @ =gUnknown_03004DE0\n\ + ldr r2, _080D0E28 @ =gScanlineEffectRegBuffers\n\ lsls r0, 1\n\ adds r0, r2\n\ ldrh r1, [r3, 0x14]\n\ @@ -202,7 +204,7 @@ _080D0E04:\n\ ldrsh r1, [r3, r2]\n\ cmp r0, r1\n\ blt _080D0E22\n\ - ldr r1, _080D0E2C @ =gUnknown_03004DC0\n\ + ldr r1, _080D0E2C @ =gScanlineEffect\n\ movs r0, 0x3\n\ strb r0, [r1, 0x15]\n\ adds r0, r4, 0\n\ @@ -212,8 +214,8 @@ _080D0E22:\n\ pop {r0}\n\ bx r0\n\ .align 2, 0\n\ -_080D0E28: .4byte gUnknown_03004DE0\n\ -_080D0E2C: .4byte gUnknown_03004DC0\n\ +_080D0E28: .4byte gScanlineEffectRegBuffers\n\ +_080D0E2C: .4byte gScanlineEffect\n\ .syntax divided\n"); } #endif diff --git a/src/battle/battle_2.c b/src/battle/battle_2.c index 249b67e0d..990535b4e 100644 --- a/src/battle/battle_2.c +++ b/src/battle/battle_2.c @@ -34,7 +34,7 @@ #include "trainer.h" #include "trig.h" #include "tv.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "util.h" #include "constants/battle_move_effects.h" #include "constants/items.h" @@ -108,9 +108,9 @@ extern u16 gUnknown_02024DE8; extern u8 gActionSelectionCursor[]; extern u8 gMoveSelectionCursor[]; extern u8 gUnknown_02038470[]; -extern u16 gUnknown_030041B0; +extern u16 gBattle_BG3_X; extern u16 gBattle_BG1_Y; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_Y; extern struct Window gUnknown_030041D0; extern u16 gBattle_WIN1H; extern struct Window gUnknown_03004210; @@ -219,21 +219,21 @@ void InitBattle(void) REG_WINOUT = 0; gBattle_WIN0H = 0xF0; gBattle_WIN0V = 0x5051; - dp12_8087EA4(); + ScanlineEffect_Clear(); for (i = 0; i < 80; i++) { - gUnknown_03004DE0[0][i] = 0xF0; - gUnknown_03004DE0[1][i] = 0xF0; + gScanlineEffectRegBuffers[0][i] = 0xF0; + gScanlineEffectRegBuffers[1][i] = 0xF0; } for (i = 80; i < 160; i++) { asm(""::"r"(i)); // Needed to stop the compiler from optimizing out the loop counter - gUnknown_03004DE0[0][i] = 0xFF10; - gUnknown_03004DE0[1][i] = 0xFF10; + gScanlineEffectRegBuffers[0][i] = 0xFF10; + gScanlineEffectRegBuffers[1][i] = 0xFF10; } - //sub_80895F8(gUnknown_081F9674.unk0, gUnknown_081F9674.unk4, gUnknown_081F9674.unk8); - sub_80895F8(gUnknown_081F9674); + //ScanlineEffect_SetParams(gUnknown_081F9674.unk0, gUnknown_081F9674.unk4, gUnknown_081F9674.unk8); + ScanlineEffect_SetParams(gUnknown_081F9674); Text_LoadWindowTemplate(&gWindowTemplate_81E6C58); ResetPaletteFade(); gBattle_BG0_X = 0; @@ -242,8 +242,8 @@ void InitBattle(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 0; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 0; + gBattle_BG3_Y = 0; gBattleTerrain = BattleSetup_GetTerrain(); Text_InitWindowWithTemplate(&gUnknown_03004210, &gWindowTemplate_81E6C58); Text_InitWindowWithTemplate(&gUnknown_030041D0, &gWindowTemplate_81E71D0); @@ -1064,8 +1064,8 @@ void sub_800FCFC(void) REG_BG1VOFS = gBattle_BG1_Y; REG_BG2HOFS = gBattle_BG2_X; REG_BG2VOFS = gBattle_BG2_Y; - REG_BG3HOFS = gUnknown_030041B0; - REG_BG3VOFS = gUnknown_030041B8; + REG_BG3HOFS = gBattle_BG3_X; + REG_BG3VOFS = gBattle_BG3_Y; REG_WIN0H = gBattle_WIN0H; REG_WIN0V = gBattle_WIN0V; REG_WIN1H = gBattle_WIN1H; @@ -1073,7 +1073,7 @@ void sub_800FCFC(void) LoadOam(); ProcessSpriteCopyRequests(); TransferPlttBuffer(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } void nullsub_36(struct Sprite *sprite) @@ -1197,18 +1197,18 @@ void c2_8011A1C(void) REG_WINOUT = 0; gBattle_WIN0H = 0xF0; gBattle_WIN0V = 0x5051; - dp12_8087EA4(); + ScanlineEffect_Clear(); for (i = 0; i < 80; i++) { - gUnknown_03004DE0[0][i] = 0xF0; - gUnknown_03004DE0[1][i] = 0xF0; + gScanlineEffectRegBuffers[0][i] = 0xF0; + gScanlineEffectRegBuffers[1][i] = 0xF0; } for (i = 80; i < 160; i++) { asm(""::"r"(i)); // Needed to stop the compiler from optimizing out the loop counter - gUnknown_03004DE0[0][i] = 0xFF10; - gUnknown_03004DE0[1][i] = 0xFF10; + gScanlineEffectRegBuffers[0][i] = 0xFF10; + gScanlineEffectRegBuffers[1][i] = 0xFF10; } Text_LoadWindowTemplate(&gWindowTemplate_81E6C58); ResetPaletteFade(); @@ -1218,8 +1218,8 @@ void c2_8011A1C(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 0; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 0; + gBattle_BG3_Y = 0; Text_InitWindowWithTemplate(&gUnknown_03004210, &gWindowTemplate_81E6C58); Text_InitWindowWithTemplate(&gUnknown_030041D0, &gWindowTemplate_81E71D0); diff --git a/src/battle/battle_4.c b/src/battle/battle_4.c index 164329c1b..ae8f94130 100644 --- a/src/battle/battle_4.c +++ b/src/battle/battle_4.c @@ -93,7 +93,7 @@ extern u16 gChosenMove; //last used move in battle extern u8 gBankInMenu; extern u8 gActionForBanks[4]; extern u16 gUnknown_02024C2C[4]; //last used moves 2, used by sketch -extern u16 gUnknown_030041B0; +extern u16 gBattle_BG3_X; extern u16 gUnknown_02024C4C[4]; //last used moves by banks, another one extern u8 gCurrentTurnActionNumber; extern u16 gTrappingMoves[]; @@ -17229,7 +17229,7 @@ static void atkF2_displaydexinfo(void) LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(0x0600d000)); LoadCompressedPalette(gBattleTerrainPalette_BattleTower, 0x20, 0x60); REG_BG3CNT = 0x5a0b; - gUnknown_030041B0 = 0x100; + gBattle_BG3_X = 0x100; BeginNormalPaletteFade(0xfffc, 0, 0x10, 0, 0); gBattleCommunication[0]++; } diff --git a/src/battle/battle_controller_player.c b/src/battle/battle_controller_player.c index 489581132..a5f833b6c 100644 --- a/src/battle/battle_controller_player.c +++ b/src/battle/battle_controller_player.c @@ -67,9 +67,9 @@ extern u8 gUnknown_02024E68[]; extern struct SpriteTemplate gUnknown_02024E8C; extern u8 gAnimMoveTurn; extern u8 gUnknown_02038470[]; -extern u16 gUnknown_030041B0; +extern u16 gBattle_BG3_X; extern u16 gBattle_BG1_Y; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_Y; extern u16 gBattle_BG2_Y; extern u16 gBattle_BG2_X; extern u16 gBattle_BG0_X; diff --git a/src/battle/battle_transition.c b/src/battle/battle_transition.c index 985f43945..f7cdc0694 100644 --- a/src/battle/battle_transition.c +++ b/src/battle/battle_transition.c @@ -13,12 +13,10 @@ #include "trainer.h" #include "field_camera.h" #include "ewram.h" -#include "unknown_task.h" +#include "scanline_effect.h" void sub_807DE10(void); -void dp12_8087EA4(void); - -extern u16 gUnknown_03005560[]; +void ScanlineEffect_Clear(void); extern const struct OamData gFieldOamData_32x32; @@ -672,9 +670,9 @@ static bool8 Phase2_Transition_Swirl_Func1(struct Task* task) u16 savedIME; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); BeginNormalPaletteFade(-1, 4, 0, 0x10, 0); - sub_811D6E8(gUnknown_03005560, TRANSITION_STRUCT.field_14, 0, 2, 0, 160); + sub_811D6E8(gScanlineEffectRegBuffers[1], TRANSITION_STRUCT.field_14, 0, 2, 0, 160); SetVBlankCallback(VBlankCB_Phase2_Transition_Swirl); SetHBlankCallback(HBlankCB_Phase2_Transition_Swirl); @@ -695,7 +693,7 @@ static bool8 Phase2_Transition_Swirl_Func2(struct Task* task) task->data[1] += 4; task->data[2] += 8; - sub_811D6E8(gUnknown_03004DE0[0], TRANSITION_STRUCT.field_14, task->data[1], 2, task->data[2], 160); + sub_811D6E8(gScanlineEffectRegBuffers[0], TRANSITION_STRUCT.field_14, task->data[1], 2, task->data[2], 160); if (!gPaletteFade.active) { @@ -711,12 +709,12 @@ static void VBlankCB_Phase2_Transition_Swirl(void) { VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); } static void HBlankCB_Phase2_Transition_Swirl(void) { - u16 var = gUnknown_03004DE0[1][REG_VCOUNT]; + u16 var = gScanlineEffectRegBuffers[1][REG_VCOUNT]; REG_BG1HOFS = var; REG_BG2HOFS = var; REG_BG3HOFS = var; @@ -732,10 +730,10 @@ static bool8 Phase2_Transition_Shuffle_Func1(struct Task* task) u16 savedIME; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); BeginNormalPaletteFade(-1, 4, 0, 0x10, 0); - memset(gUnknown_03005560, TRANSITION_STRUCT.field_16, 0x140); + memset(gScanlineEffectRegBuffers[1], TRANSITION_STRUCT.field_16, 0x140); SetVBlankCallback(VBlankCB_Phase2_Transition_Shuffle); SetHBlankCallback(HBlankCB_Phase2_Transition_Shuffle); @@ -764,7 +762,7 @@ static bool8 Phase2_Transition_Shuffle_Func2(struct Task* task) for (i = 0; i < 160; i++, r4 += 4224) { u16 var = r4 / 256; - gUnknown_03004DE0[0][i] = TRANSITION_STRUCT.field_16 + Sin(var, r3); + gScanlineEffectRegBuffers[0][i] = TRANSITION_STRUCT.field_16 + Sin(var, r3); } if (!gPaletteFade.active) @@ -778,12 +776,12 @@ static void VBlankCB_Phase2_Transition_Shuffle(void) { VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); } static void HBlankCB_Phase2_Transition_Shuffle(void) { - u16 var = gUnknown_03004DE0[1][REG_VCOUNT]; + u16 var = gScanlineEffectRegBuffers[1][REG_VCOUNT]; REG_BG1VOFS = var; REG_BG2VOFS = var; REG_BG3VOFS = var; @@ -800,7 +798,7 @@ static bool8 Phase2_Transition_BigPokeball_Func1(struct Task* task) u16 *dst1, *dst2; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); task->data[1] = 16; task->data[2] = 0; @@ -815,7 +813,7 @@ static bool8 Phase2_Transition_BigPokeball_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03005560[i] = 240; + gScanlineEffectRegBuffers[1][i] = 240; } SetVBlankCallback(VBlankCB0_Phase2_Transition_BigPokeball); @@ -844,7 +842,7 @@ static bool8 Phase2_Transition_BigPokeball_Func2(struct Task* task) dst1[i * 32 + j] = *BigPokeballMap | 0xF000; } } - sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5], 160); + sub_811D6E8(gScanlineEffectRegBuffers[0], 0, task->data[4], 132, task->data[5], 160); task->tState++; return TRUE; @@ -864,7 +862,7 @@ static bool8 Phase2_Transition_BigPokeball_Func3(struct Task* task) task->data[4] += 8; task->data[5] -= 256; - sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5] >> 8, 160); + sub_811D6E8(gScanlineEffectRegBuffers[0], 0, task->data[4], 132, task->data[5] >> 8, 160); TRANSITION_STRUCT.VBlank_DMA++; return FALSE; @@ -884,7 +882,7 @@ static bool8 Phase2_Transition_BigPokeball_Func4(struct Task* task) task->data[4] += 8; task->data[5] -= 256; - sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5] >> 8, 160); + sub_811D6E8(gScanlineEffectRegBuffers[0], 0, task->data[4], 132, task->data[5] >> 8, 160); TRANSITION_STRUCT.VBlank_DMA++; return FALSE; @@ -896,7 +894,7 @@ static bool8 Phase2_Transition_BigPokeball_Func5(struct Task* task) task->data[4] += 8; task->data[5] -= 256; - sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5] >> 8, 160); + sub_811D6E8(gScanlineEffectRegBuffers[0], 0, task->data[4], 132, task->data[5] >> 8, 160); if (task->data[5] <= 0) { @@ -921,7 +919,7 @@ static bool8 Phase2_Transition_BigPokeball_Func6(struct Task* task) if (task->data[1] < 0) task->data[1] = 0; } - sub_811D764(gUnknown_03004DE0[0], 120, 80, task->data[1]); + sub_811D764(gScanlineEffectRegBuffers[0], 120, 80, task->data[1]); if (task->data[1] == 0) { DmaStop(0); @@ -943,7 +941,7 @@ static void Transition_BigPokeball_Vblank(void) DmaStop(0); VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); REG_WININ = TRANSITION_STRUCT.WININ; REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.WIN0V; @@ -954,13 +952,13 @@ static void Transition_BigPokeball_Vblank(void) static void VBlankCB0_Phase2_Transition_BigPokeball(void) { Transition_BigPokeball_Vblank(); - DmaSet(0, gUnknown_03005560, ®_BG0HOFS, 0xA2400001); + DmaSet(0, gScanlineEffectRegBuffers[1], ®_BG0HOFS, 0xA2400001); } static void VBlankCB1_Phase2_Transition_BigPokeball(void) { Transition_BigPokeball_Vblank(); - DmaSet(0, gUnknown_03005560, ®_WIN0H, 0xA2400001); + DmaSet(0, gScanlineEffectRegBuffers[1], ®_WIN0H, 0xA2400001); } static void Phase2Task_Transition_PokeballsTrail(u8 taskID) @@ -1078,7 +1076,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func1(struct Task* task) u16 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); TRANSITION_STRUCT.WININ = 0; TRANSITION_STRUCT.WINOUT = 63; @@ -1087,7 +1085,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03005560[i] = 0xF3F4; + gScanlineEffectRegBuffers[1][i] = 0xF3F4; } SetVBlankCallback(VBlankCB_Phase2_Transition_Clockwise_BlackFade); @@ -1104,7 +1102,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func2(struct Task* task) sub_811D8FC(TRANSITION_STRUCT.data, 120, 80, TRANSITION_STRUCT.data[4], -1, 1, 1); do { - gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] = (TRANSITION_STRUCT.data[2] + 1) | 0x7800; + gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] = (TRANSITION_STRUCT.data[2] + 1) | 0x7800; } while (!sub_811D978(TRANSITION_STRUCT.data, 1, 1)); TRANSITION_STRUCT.data[4] += 16; @@ -1132,7 +1130,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func3(struct Task* task) r1 = 120, r3 = TRANSITION_STRUCT.data[2] + 1; if (TRANSITION_STRUCT.data[5] >= 80) r1 = TRANSITION_STRUCT.data[2], r3 = 240; - gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] = (r3) | (r1 << 8); + gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] = (r3) | (r1 << 8); if (var != 0) break; var = sub_811D978(TRANSITION_STRUCT.data, 1, 1); @@ -1148,7 +1146,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func3(struct Task* task) { while (TRANSITION_STRUCT.data[3] < TRANSITION_STRUCT.data[5]) { - gUnknown_03004DE0[0][++TRANSITION_STRUCT.data[3]] = (r3) | (r1 << 8); + gScanlineEffectRegBuffers[0][++TRANSITION_STRUCT.data[3]] = (r3) | (r1 << 8); } } @@ -1163,7 +1161,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func4(struct Task* task) sub_811D8FC(TRANSITION_STRUCT.data, 120, 80, TRANSITION_STRUCT.data[4], 160, 1, 1); do { - gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] = (TRANSITION_STRUCT.data[2] << 8) | 0xF0; + gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] = (TRANSITION_STRUCT.data[2] << 8) | 0xF0; } while (!sub_811D978(TRANSITION_STRUCT.data, 1, 1)); TRANSITION_STRUCT.data[4] -= 16; @@ -1188,10 +1186,10 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func5(struct Task* task) while (1) { - r1 = gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] & 0xFF, r2 = TRANSITION_STRUCT.data[2]; + r1 = gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] & 0xFF, r2 = TRANSITION_STRUCT.data[2]; if (TRANSITION_STRUCT.data[5] <= 80) r2 = 120, r1 = TRANSITION_STRUCT.data[2]; - gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] = (r1) | (r2 << 8); + gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] = (r1) | (r2 << 8); r3 = 0; if (var != 0) break; @@ -1208,7 +1206,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func5(struct Task* task) { while (TRANSITION_STRUCT.data[3] > TRANSITION_STRUCT.data[5]) { - gUnknown_03004DE0[0][--TRANSITION_STRUCT.data[3]] = (r1) | (r2 << 8); + gScanlineEffectRegBuffers[0][--TRANSITION_STRUCT.data[3]] = (r1) | (r2 << 8); } } @@ -1228,7 +1226,7 @@ static bool8 Phase2_Transition_Clockwise_BlackFade_Func6(struct Task* task) r2 = 120, r3 = TRANSITION_STRUCT.data[2]; if (TRANSITION_STRUCT.data[2] >= 120) r2 = 0, r3 = 240; - gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] = (r3) | (r2 << 8); + gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] = (r3) | (r2 << 8); } while (!sub_811D978(TRANSITION_STRUCT.data, 1, 1)); @@ -1253,12 +1251,12 @@ static void VBlankCB_Phase2_Transition_Clockwise_BlackFade(void) DmaStop(0); VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA != 0) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); REG_WININ = TRANSITION_STRUCT.WININ; REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.WIN0V; - REG_WIN0H = gUnknown_03004DE0[1][0]; - DmaSet(0, gUnknown_03004DE0[1], ®_WIN0H, 0xA2400001); + REG_WIN0H = gScanlineEffectRegBuffers[1][0]; + DmaSet(0, gScanlineEffectRegBuffers[1], ®_WIN0H, 0xA2400001); } static void Phase2Task_Transition_Ripple(u8 taskID) @@ -1271,11 +1269,11 @@ static bool8 Phase2_Transition_Ripple_Func1(struct Task* task) u8 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); for (i = 0; i < 160; i++) { - gUnknown_03005560[i] = TRANSITION_STRUCT.field_16; + gScanlineEffectRegBuffers[1][i] = TRANSITION_STRUCT.field_16; } SetVBlankCallback(VBlankCB_Phase2_Transition_Ripple); @@ -1308,7 +1306,7 @@ static bool8 Phase2_Transition_Ripple_Func2(struct Task* task) // todo: fix the asm s16 var = r4 >> 8; asm(""); - gUnknown_03004DE0[0][i] = TRANSITION_STRUCT.field_16 + Sin(var, r3); + gScanlineEffectRegBuffers[0][i] = TRANSITION_STRUCT.field_16 + Sin(var, r3); asm(""); } @@ -1329,12 +1327,12 @@ static void VBlankCB_Phase2_Transition_Ripple(void) { VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); } static void HBlankCB_Phase2_Transition_Ripple(void) { - u16 var = gUnknown_03004DE0[1][REG_VCOUNT]; + u16 var = gScanlineEffectRegBuffers[1][REG_VCOUNT]; REG_BG1VOFS = var; REG_BG2VOFS = var; REG_BG3VOFS = var; @@ -1350,7 +1348,7 @@ static bool8 Phase2_Transition_Wave_Func1(struct Task* task) u8 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); TRANSITION_STRUCT.WININ = 63; TRANSITION_STRUCT.WINOUT = 0; @@ -1359,7 +1357,7 @@ static bool8 Phase2_Transition_Wave_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03004DE0[1][i] = 242; + gScanlineEffectRegBuffers[1][i] = 242; } SetVBlankCallback(VBlankCB_Phase2_Transition_Wave); @@ -1375,7 +1373,7 @@ static bool8 Phase2_Transition_Wave_Func2(struct Task* task) bool8 nextFunc; TRANSITION_STRUCT.VBlank_DMA = 0; - toStore = gUnknown_03004DE0[0]; + toStore = gScanlineEffectRegBuffers[0]; r5 = task->data[2]; task->data[2] += 16; task->data[1] += 8; @@ -1411,11 +1409,11 @@ static void VBlankCB_Phase2_Transition_Wave(void) DmaStop(0); VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA != 0) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); REG_WININ = TRANSITION_STRUCT.WININ; REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.WIN0V; - DmaSet(0, gUnknown_03004DE0[1], ®_WIN0H, 0xA2400001); + DmaSet(0, gScanlineEffectRegBuffers[1], ®_WIN0H, 0xA2400001); } #define tMugshotOpponentID data[13] @@ -1462,7 +1460,7 @@ static bool8 Phase2_Mugshot_Func1(struct Task* task) u8 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); Mugshots_CreateOpponentPlayerSprites(task); task->data[1] = 0; @@ -1474,7 +1472,7 @@ static bool8 Phase2_Mugshot_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03004DE0[1][i] = 0xF0F1; + gScanlineEffectRegBuffers[1][i] = 0xF0F1; } SetVBlankCallback(VBlankCB0_Phase2_Mugshots); @@ -1519,7 +1517,7 @@ static bool8 Phase2_Mugshot_Func3(struct Task* task) TRANSITION_STRUCT.VBlank_DMA = 0; - toStore = gUnknown_03004DE0[0]; + toStore = gScanlineEffectRegBuffers[0]; r5 = task->data[1]; task->data[1] += 0x10; @@ -1565,7 +1563,7 @@ static bool8 Phase2_Mugshot_Func4(struct Task* task) TRANSITION_STRUCT.VBlank_DMA = 0; - for (i = 0, toStore = gUnknown_03004DE0[0]; i < 160; i++, toStore++) + for (i = 0, toStore = gScanlineEffectRegBuffers[0]; i < 160; i++, toStore++) { *toStore = 0xF0; } @@ -1608,8 +1606,8 @@ static bool8 Phase2_Mugshot_Func6(struct Task* task) TRANSITION_STRUCT.VBlank_DMA = 0; SetVBlankCallback(NULL); DmaStop(0); - memset(gUnknown_03004DE0[0], 0, 0x140); - memset(gUnknown_03004DE0[1], 0, 0x140); + memset(gScanlineEffectRegBuffers[0], 0, 0x140); + memset(gScanlineEffectRegBuffers[1], 0, 0x140); REG_WIN0H = 0xF0; REG_BLDY = 0; task->tState++; @@ -1642,15 +1640,15 @@ static bool8 Phase2_Mugshot_Func7(struct Task* task) { s16 index1 = 0x50 - i; s16 index2 = 0x50 + i; - if (gUnknown_03004DE0[0][index1] <= 15) + if (gScanlineEffectRegBuffers[0][index1] <= 15) { r6 = TRUE; - gUnknown_03004DE0[0][index1]++; + gScanlineEffectRegBuffers[0][index1]++; } - if (gUnknown_03004DE0[0][index2] <= 15) + if (gScanlineEffectRegBuffers[0][index2] <= 15) { r6 = TRUE; - gUnknown_03004DE0[0][index2]++; + gScanlineEffectRegBuffers[0][index2]++; } } } @@ -1678,7 +1676,7 @@ static bool8 Phase2_Mugshot_Func9(struct Task* task) TRANSITION_STRUCT.VBlank_DMA = 0; task->data[3]++; - memset(gUnknown_03004DE0[0], task->data[3], 0x140); + memset(gScanlineEffectRegBuffers[0], task->data[3], 0x140); if (task->data[3] > 15) task->tState++; @@ -1699,12 +1697,12 @@ static void VBlankCB0_Phase2_Mugshots(void) DmaStop(0); VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA != 0) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); REG_BG0VOFS = TRANSITION_STRUCT.field_1C; REG_WININ = TRANSITION_STRUCT.WININ; REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.WIN0V; - DmaSet(0, gUnknown_03004DE0[1], ®_WIN0H, 0xA2400001); + DmaSet(0, gScanlineEffectRegBuffers[1], ®_WIN0H, 0xA2400001); } static void VBlankCB1_Phase2_Mugshots(void) @@ -1712,9 +1710,9 @@ static void VBlankCB1_Phase2_Mugshots(void) DmaStop(0); VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA != 0) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); REG_BLDCNT = TRANSITION_STRUCT.BLDCNT; - DmaSet(0, gUnknown_03004DE0[1], ®_BLDY, 0xA2400001); + DmaSet(0, gScanlineEffectRegBuffers[1], ®_BLDY, 0xA2400001); } static void HBlankCB_Phase2_Mugshots(void) @@ -1846,7 +1844,7 @@ static bool8 Phase2_Transition_Slice_Func1(struct Task* task) u16 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); task->data[2] = 256; task->data[3] = 1; @@ -1856,8 +1854,8 @@ static bool8 Phase2_Transition_Slice_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03004DE0[1][i] = TRANSITION_STRUCT.field_14; - gUnknown_03004DE0[1][160 + i] = 0xF0; + gScanlineEffectRegBuffers[1][i] = TRANSITION_STRUCT.field_14; + gScanlineEffectRegBuffers[1][160 + i] = 0xF0; } REG_IE |= INTR_FLAG_HBLANK; @@ -1886,8 +1884,8 @@ static bool8 Phase2_Transition_Slice_Func2(struct Task* task) for (i = 0; i < 160; i++) { - u16* storeLoc1 = &gUnknown_03004DE0[0][i]; - u16* storeLoc2 = &gUnknown_03004DE0[0][i + 160]; + u16* storeLoc1 = &gScanlineEffectRegBuffers[0][i]; + u16* storeLoc2 = &gScanlineEffectRegBuffers[0][i + 160]; if (1 & i) { *storeLoc1 = TRANSITION_STRUCT.field_14 + task->data[1]; @@ -1923,13 +1921,13 @@ static void VBlankCB_Phase2_Transition_Slice(void) REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.WIN0V; if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 640); - DmaSet(0, &gUnknown_03004DE0[1][160], ®_WIN0H, 0xA2400001); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 640); + DmaSet(0, &gScanlineEffectRegBuffers[1][160], ®_WIN0H, 0xA2400001); } static void HBlankCB_Phase2_Transition_Slice(void) { - u16 var = gUnknown_03004DE0[1][REG_VCOUNT]; + u16 var = gScanlineEffectRegBuffers[1][REG_VCOUNT]; REG_BG1HOFS = var; REG_BG2HOFS = var; REG_BG3HOFS = var; @@ -1945,7 +1943,7 @@ static bool8 Phase2_Transition_WhiteFade_Func1(struct Task* task) u16 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); TRANSITION_STRUCT.BLDCNT = 0xBF; TRANSITION_STRUCT.BLDY = 0; @@ -1955,8 +1953,8 @@ static bool8 Phase2_Transition_WhiteFade_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03004DE0[1][i] = 0; - gUnknown_03004DE0[1][i + 160] = 0xF0; + gScanlineEffectRegBuffers[1][i] = 0; + gScanlineEffectRegBuffers[1][i + 160] = 0xF0; } REG_IE |= INTR_FLAG_HBLANK; @@ -2038,8 +2036,8 @@ static void VBlankCB0_Phase2_Transition_WhiteFade(void) REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.field_6; if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 640); - DmaSet(0, &gUnknown_03004DE0[1][160], ®_WIN0H, 0xA2400001); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 640); + DmaSet(0, &gScanlineEffectRegBuffers[1][160], ®_WIN0H, 0xA2400001); } static void VBlankCB1_Phase2_Transition_WhiteFade(void) @@ -2055,7 +2053,7 @@ static void VBlankCB1_Phase2_Transition_WhiteFade(void) static void HBlankCB_Phase2_Transition_WhiteFade(void) { - REG_BLDY = gUnknown_03004DE0[1][REG_VCOUNT]; + REG_BLDY = gScanlineEffectRegBuffers[1][REG_VCOUNT]; } static void sub_811CFD0(struct Sprite* sprite) @@ -2069,8 +2067,8 @@ static void sub_811CFD0(struct Sprite* sprite) else { u16 i; - u16* ptr1 = &gUnknown_03004DE0[0][sprite->pos1.y]; - u16* ptr2 = &gUnknown_03004DE0[0][sprite->pos1.y + 160]; + u16* ptr1 = &gScanlineEffectRegBuffers[0][sprite->pos1.y]; + u16* ptr2 = &gScanlineEffectRegBuffers[0][sprite->pos1.y + 160]; for (i = 0; i < 20; i++) { ptr1[i] = sprite->data[0] >> 8; @@ -2160,7 +2158,7 @@ static bool8 Phase2_Transition_Shards_Func1(struct Task* task) u16 i; sub_811D658(); - dp12_8087EA4(); + ScanlineEffect_Clear(); TRANSITION_STRUCT.WININ = 0x3F; TRANSITION_STRUCT.WINOUT = 0; @@ -2168,10 +2166,10 @@ static bool8 Phase2_Transition_Shards_Func1(struct Task* task) for (i = 0; i < 160; i++) { - gUnknown_03004DE0[0][i] = 0xF0; + gScanlineEffectRegBuffers[0][i] = 0xF0; } - CpuSet(gUnknown_03004DE0[0], gUnknown_03004DE0[1], 0xA0); + CpuSet(gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 0xA0); SetVBlankCallback(VBlankCB_Phase2_Transition_Shards); task->tState++; @@ -2200,8 +2198,8 @@ static bool8 Phase2_Transition_Shards_Func3(struct Task* task) for (i = 0, nextFunc = FALSE; i < 16; i++) { - s16 r3 = gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] >> 8; - s16 r4 = gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] & 0xFF; + s16 r3 = gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] >> 8; + s16 r4 = gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] & 0xFF; if (task->data[2] == 0) { if (r3 < TRANSITION_STRUCT.data[2]) @@ -2216,7 +2214,7 @@ static bool8 Phase2_Transition_Shards_Func3(struct Task* task) if (r4 <= r3) r4 = r3; } - gUnknown_03004DE0[0][TRANSITION_STRUCT.data[3]] = (r4) | (r3 << 8); + gScanlineEffectRegBuffers[0][TRANSITION_STRUCT.data[3]] = (r4) | (r3 << 8); if (nextFunc) { task->tState++; @@ -2263,12 +2261,12 @@ static void VBlankCB_Phase2_Transition_Shards(void) DmaStop(0); VBlankCB_BattleTransition(); if (TRANSITION_STRUCT.VBlank_DMA) - DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320); + DmaCopy16(3, gScanlineEffectRegBuffers[0], gScanlineEffectRegBuffers[1], 320); REG_WININ = TRANSITION_STRUCT.WININ; REG_WINOUT = TRANSITION_STRUCT.WINOUT; REG_WIN0V = TRANSITION_STRUCT.WIN0V; - REG_WIN0H = gUnknown_03004DE0[1][0]; - DmaSet(0, gUnknown_03004DE0[1], ®_WIN0H, 0xA2400001); + REG_WIN0H = gScanlineEffectRegBuffers[1][0]; + DmaSet(0, gScanlineEffectRegBuffers[1], ®_WIN0H, 0xA2400001); } static void CreatePhase1Task(s16 a0, s16 a1, s16 a2, s16 a3, s16 a4) diff --git a/src/battle/reshow_battle_screen.c b/src/battle/reshow_battle_screen.c index 42bb3ba7f..a78cb20df 100644 --- a/src/battle/reshow_battle_screen.c +++ b/src/battle/reshow_battle_screen.c @@ -3,7 +3,7 @@ #include "battle_anim.h" #include "palette.h" #include "main.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "text.h" #include "rom_8077ABC.h" #include "data2.h" @@ -15,9 +15,9 @@ extern u16 gBattle_BG2_Y; extern u16 gBattle_BG2_X; extern u16 gBattle_BG0_X; extern u16 gBattle_BG1_X; -extern u16 gUnknown_030041B0; +extern u16 gBattle_BG3_X; extern u16 gBattle_BG1_Y; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_Y; extern u16 gBattle_BG0_Y; extern u8 gReservedSpritePaletteCount; extern u8 gActionSelectionCursor[4]; @@ -77,7 +77,7 @@ static void CB2_ReshowBattleScreenAfterMenu(void) switch (gReshowState) { case 0: - dp12_8087EA4(); + ScanlineEffect_Clear(); Text_LoadWindowTemplate(&gWindowTemplate_81E6C58); ResetPaletteFade(); Text_InitWindowWithTemplate(&gUnknown_03004210, &gWindowTemplate_81E6C58); @@ -87,8 +87,8 @@ static void CB2_ReshowBattleScreenAfterMenu(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 0; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 0; + gBattle_BG3_Y = 0; break; case 1: { diff --git a/src/contest.c b/src/contest.c index 8985d6490..875fe4502 100644 --- a/src/contest.c +++ b/src/contest.c @@ -29,7 +29,7 @@ #include "task.h" #include "text.h" #include "tv.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "util.h" extern u8 AreMovesContestCombo(u16, u16); // I don't think this is a bool @@ -51,9 +51,9 @@ extern u8 gBanksBySide[]; extern u8 gObjectBankIDs[]; extern u8 gIsLinkContest; extern u8 gContestPlayerMonIndex; -extern u16 gUnknown_030041B0; +extern u16 gBattle_BG3_X; extern s16 gBattle_BG1_Y; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_Y; extern u16 gBattle_WIN1H; extern struct Window gUnknown_03004210; extern u16 gBattle_WIN0V; @@ -330,8 +330,8 @@ void ResetContestGpuRegs(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 0; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 0; + gBattle_BG3_Y = 0; gBattle_WIN0H = 0; gBattle_WIN0V = 0; gBattle_WIN1H = 0; @@ -412,7 +412,7 @@ void CB2_StartContest(void) SetVBlankCallback(NULL); SetUpContestWindow(); ResetContestGpuRegs(); - dp12_8087EA4(); + ScanlineEffect_Clear(); ResetPaletteFade(); gPaletteFade.bufferTransferDisabled = TRUE; DmaClearLarge32(3, (void *)VRAM, VRAM_SIZE, 0x1000); @@ -626,8 +626,8 @@ void ContestVBlankCallback(void) REG_BG1VOFS = gBattle_BG1_Y; REG_BG2HOFS = gBattle_BG2_X; REG_BG2VOFS = gBattle_BG2_Y; - REG_BG3HOFS = gUnknown_030041B0; - REG_BG3VOFS = gUnknown_030041B8; + REG_BG3HOFS = gBattle_BG3_X; + REG_BG3VOFS = gBattle_BG3_Y; REG_WIN0H = gBattle_WIN0H; REG_WIN0V = gBattle_WIN0V; REG_WIN1H = gBattle_WIN1H; @@ -635,7 +635,7 @@ void ContestVBlankCallback(void) TransferPlttBuffer(); LoadOam(); ProcessSpriteCopyRequests(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } void sub_80ABB70(u8 taskId) diff --git a/src/crt0.s b/src/crt0.s new file mode 100644 index 000000000..049392be9 --- /dev/null +++ b/src/crt0.s @@ -0,0 +1,227 @@ + .include "constants/gba_constants.inc" + .include "constants/misc_constants.inc" + .include "constants/version.inc" + + .syntax unified + + .global Start + + .text + + .arm + +Start: @ 8000000 + b Init + + .include "asm/rom_header.inc" + +@ 80000C0 + .word 0 + + .global GPIOPortData +GPIOPortData: @ 80000C4 + .hword 0 + + .global GPIOPortDirection +GPIOPortDirection: @ 80000C6 + .hword 0 + + .global GPIOPortReadEnable +GPIOPortReadEnable: @ 80000C8 + .hword 0 + + .space 6 + +@ 80000D0 + +@ TODO: figure out what this data is + + .ifdef GERMAN + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte 0xFFFFFFFF + .4byte GAME_VERSION + .4byte GAME_LANGUAGE + .ifdef SAPPHIRE + .ascii "pokemon sapphire version" + .space 8 + .else + .ascii "pokemon ruby version" + .space 12 + .endif + .4byte gMonFrontPicTable + .4byte gMonBackPicTable + .4byte gMonPaletteTable + .4byte gMonShinyPaletteTable + .4byte gMonIconTable + .4byte gMonIconPaletteIndices + .4byte gMonIconPaletteTable + .4byte gSpeciesNames + .4byte gMoveNames + .4byte gDecorations + .4byte 0x1220 + .4byte 0x1340 + .4byte 0x18 + .4byte 0x938 + .4byte 0x3A8C + .4byte 0x46 + .4byte 0x836 + .4byte 0x84C + .4byte 0x182 + .4byte 0xA0A0A07 + .4byte 0xC060C0C + .4byte 0xC121006 + .4byte 0x8010B0F + .4byte 0xC + .4byte 0x890 + .4byte 0x3AC0 + .4byte 0x234 + .4byte 0x238 + .4byte 9 + .4byte 0xA + .4byte 0 + .4byte 8 + .4byte 0x556 + .4byte 0x557 + .4byte 0x312F + .4byte 0x311B + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0 + .4byte 0xFFFFFFFF + .endif + + .arm + .align 2, 0 + .global Init +Init: + mov r0, PSR_IRQ_MODE + msr cpsr_cf, r0 + ldr sp, sp_irq + mov r0, PSR_SYS_MODE + msr cpsr_cf, r0 + ldr sp, sp_sys + ldr r1, =INTR_VECTOR + adr r0, IntrMain + str r0, [r1] + ldr r1, =AgbMain + mov lr, pc + bx r1 + b Init + + .align 2, 0 +sp_sys: .word IWRAM_END - 0x1a0 +sp_irq: .word IWRAM_END - 0x60 + + .arm + .align 2, 0 + .global IntrMain +IntrMain: + mov r3, REG_BASE + add r3, r3, 0x200 + ldr r2, [r3, OFFSET_REG_IE - 0x200] + ldrh r1, [r3, OFFSET_REG_IME - 0x200] + mrs r0, spsr + stmdb sp!, {r0-r3,lr} + mov r0, 1 + strh r0, [r3, OFFSET_REG_IME - 0x200] + and r1, r2, r2, lsr 16 + mov r12, 0 + ands r0, r1, INTR_FLAG_SERIAL + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_TIMER3 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_HBLANK + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_VBLANK + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_VCOUNT + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_TIMER0 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_TIMER1 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_TIMER2 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_DMA0 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_DMA1 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_DMA2 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_DMA3 + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_KEYPAD + bne IntrMain_FoundIntr + add r12, r12, 0x4 + ands r0, r1, INTR_FLAG_GAMEPAK + strbne r0, [r3, OFFSET_REG_SOUNDCNT_X - 0x200] +IntrMain_Loop: + bne IntrMain_Loop +IntrMain_FoundIntr: + strh r0, [r3, OFFSET_REG_IF - 0x200] + mov r1, INTR_FLAG_SERIAL | INTR_FLAG_TIMER3 | INTR_FLAG_HBLANK + bic r2, r2, r0 + and r1, r1, r2 + strh r1, [r3, OFFSET_REG_IE - 0x200] + mrs r3, cpsr + bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK + orr r3, r3, PSR_SYS_MODE + msr cpsr_cf, r3 + ldr r1, =gIntrTable + add r1, r1, r12 + ldr r0, [r1] + stmdb sp!, {lr} + adr lr, IntrMain_RetAddr + bx r0 +IntrMain_RetAddr: + ldmia sp!, {lr} + mrs r3, cpsr + bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK + orr r3, r3, PSR_I_BIT | PSR_IRQ_MODE + msr cpsr_cf, r3 + ldmia sp!, {r0-r3,lr} + strh r2, [r3, OFFSET_REG_IE - 0x200] + strh r1, [r3, OFFSET_REG_IME - 0x200] + msr spsr_cf, r0 + bx lr + + .pool + + .align 2, 0 @ Don't pad with nop. diff --git a/src/debug/matsuda_debug_menu.c b/src/debug/matsuda_debug_menu.c index 0585c4e00..1da337b04 100644 --- a/src/debug/matsuda_debug_menu.c +++ b/src/debug/matsuda_debug_menu.c @@ -14,7 +14,7 @@ #include "string_util.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" extern u8 gUnknown_0203856C; @@ -35,8 +35,8 @@ extern u16 gBattle_BG1_X; extern u16 gBattle_BG1_Y; extern u16 gBattle_BG2_X; extern u16 gBattle_BG2_Y; -extern u16 gUnknown_030041B0; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_X; +extern u16 gBattle_BG3_Y; extern struct Window gUnknown_03004210; extern u8 (*gCallback_03004AE8)(void); @@ -463,8 +463,8 @@ static void sub_80A9F50(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 0; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 0; + gBattle_BG3_Y = 0; } static void sub_80A9FE4(void) @@ -511,12 +511,12 @@ static void sub_80AA090(void) REG_BG1VOFS = gBattle_BG1_Y; REG_BG2HOFS = gBattle_BG2_X; REG_BG2VOFS = gBattle_BG2_Y; - REG_BG3HOFS = gUnknown_030041B0; - REG_BG3VOFS = gUnknown_030041B8; + REG_BG3HOFS = gBattle_BG3_X; + REG_BG3VOFS = gBattle_BG3_Y; LoadOam(); ProcessSpriteCopyRequests(); TransferPlttBuffer(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } static void sub_80AA10C(void) @@ -528,7 +528,7 @@ static void sub_80AA10C(void) gPaletteFade.bufferTransferDisabled = 1; SetVBlankCallback(0); sub_80A9F50(); - dp12_8087EA4(); + ScanlineEffect_Clear(); ResetPaletteFade(); ResetSpriteData(); ResetTasks(); diff --git a/src/easy_chat_1.c b/src/easy_chat_1.c index cb0e98b71..4b64846f9 100644 --- a/src/easy_chat_1.c +++ b/src/easy_chat_1.c @@ -14,7 +14,7 @@ #include "sprite.h" #include "string_util.h" #include "strings.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern const struct WindowTemplate gWindowTemplate_81E6D54; extern const struct WindowTemplate gWindowTemplate_81E6DA8; @@ -43,7 +43,7 @@ const u16 gBerryMasterWifePhrases[][2] = // const pointer to gEasyChatStruct-> easy_chat might be two separate files. struct Shared1000 *const gEasyChatStruct = (struct Shared1000 *)(gSharedMem + 0x1000); -const struct UnknownTaskStruct gUnknown_083DB698 = +const struct ScanlineEffectParams gUnknown_083DB698 = { ®_BG3VOFS, ((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_DEST_RELOAD) << 16) | 1, @@ -297,10 +297,10 @@ void sub_80E62F8(void) SetVBlankCallback(0); ResetPaletteFade(); ResetSpriteData(); - dp12_8087EA4(); - remove_some_task(); + ScanlineEffect_Clear(); + ScanlineEffect_Stop(); sub_80EAD08(); - sub_80895F8(gUnknown_083DB698); + ScanlineEffect_SetParams(gUnknown_083DB698); FreeSpriteTileRanges(); FreeAllSpritePalettes(); break; @@ -655,7 +655,7 @@ void sub_80E6A6C(void) ProcessSpriteCopyRequests(); sub_80EAC5C(); TransferPlttBuffer(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } void sub_80E6A88(void) diff --git a/src/easy_chat_2.c b/src/easy_chat_2.c index 66af7fc04..dc8bddd5a 100644 --- a/src/easy_chat_2.c +++ b/src/easy_chat_2.c @@ -17,7 +17,7 @@ #include "strings.h" #include "strings2.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern void sub_8095C8C(); extern void sub_809D104(void *, u16, u16, const void *, u16, u16, u16, u16); @@ -2053,7 +2053,7 @@ void sub_80EAD08(void) u16 r2; u16 i; - r4 = gUnknown_03004DE0[gUnknown_03004DC0.srcBank]; + r4 = gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer]; r4 += 88; r2 = (gEasyChatStruct->unk1BA - 88) & 0xFF; diff --git a/src/engine/main.c b/src/engine/main.c index 92b81d475..54a443e80 100644 --- a/src/engine/main.c +++ b/src/engine/main.c @@ -13,7 +13,7 @@ #include "rtc.h" #include "siirtc.h" #include "sound.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern struct SoundInfo gSoundInfo; extern u32 IntrMain[]; @@ -362,7 +362,7 @@ void DoSoftReset(void) { REG_IME = 0; m4aSoundVSyncOff(); - remove_some_task(); + ScanlineEffect_Stop(); DmaStop(1); DmaStop(2); DmaStop(3); diff --git a/src/engine/main_menu.c b/src/engine/main_menu.c index 715570fe0..a0b8b7020 100644 --- a/src/engine/main_menu.c +++ b/src/engine/main_menu.c @@ -21,7 +21,7 @@ #include "task.h" #include "text.h" #include "title_screen.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" #define BirchSpeechUpdateWindowText() ((u8)Menu_UpdateWindowTextOverrideLineLength(24)) @@ -229,7 +229,7 @@ u32 InitMainMenu(u8 a1) ResetPaletteFade(); LoadPalette(gMainMenuPalette, 0, 32); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); FreeAllSpritePalettes(); @@ -763,7 +763,7 @@ static void Task_NewGameSpeech1(u8 taskId) LZ77UnCompVram(gUnknown_081E7834, (void *)(BG_VRAM + 0x3800)); LoadPalette(gUnknown_081E764C, 0, 0x40); LoadPalette(gUnknown_081E796C, 1, 0x10); - remove_some_task(); + ScanlineEffect_Stop(); ResetSpriteData(); FreeAllSpritePalettes(); AddBirchSpeechObjects(taskId); @@ -1368,7 +1368,7 @@ void CB_ContinueNewGameSpeechPart2() gTasks[taskId].tBGhofs = -60; - remove_some_task(); + ScanlineEffect_Stop(); ResetSpriteData(); FreeAllSpritePalettes(); AddBirchSpeechObjects(taskId); diff --git a/src/engine/option_menu.c b/src/engine/option_menu.c index 868830880..1fc78efaa 100644 --- a/src/engine/option_menu.c +++ b/src/engine/option_menu.c @@ -3,12 +3,12 @@ #include "main.h" #include "menu.h" #include "palette.h" +#include "scanline_effect.h" #include "sprite.h" #include "strings2.h" #include "task.h" extern void SetPokemonCryStereo(u32 val); -extern void remove_some_task(void); //Task data enum { @@ -110,7 +110,7 @@ void CB2_InitOptionMenu(void) } case 1: ResetPaletteFade(); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); gMain.state++; diff --git a/src/engine/reset_rtc_screen.c b/src/engine/reset_rtc_screen.c index 6e9efd342..a8b49a8eb 100644 --- a/src/engine/reset_rtc_screen.c +++ b/src/engine/reset_rtc_screen.c @@ -13,7 +13,7 @@ #include "strings2.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" struct ResetRtcStruct { @@ -438,8 +438,8 @@ void CB2_InitResetRtcScreen(void) ResetOamRange(0, 128); LoadOam(); - remove_some_task(); - dp12_8087EA4(); + ScanlineEffect_Stop(); + ScanlineEffect_Clear(); ResetSpriteData(); ResetTasks(); ResetPaletteFade(); diff --git a/src/engine/trainer_card.c b/src/engine/trainer_card.c index 70942fc29..ab43ac716 100644 --- a/src/engine/trainer_card.c +++ b/src/engine/trainer_card.c @@ -18,7 +18,7 @@ #include "string_util.h" #include "strings2.h" #include "task.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "util.h" #include "ewram.h" @@ -256,7 +256,7 @@ static void sub_8093254(void) ewram0_2.var_5 ^= 1; } if (ewram0_2.var_4) - DmaCopy16(3, &gUnknown_03004DE0[0], &gUnknown_03004DE0[1], 0x140); + DmaCopy16(3, &gScanlineEffectRegBuffers[0], &gScanlineEffectRegBuffers[1], 0x140); } static void sub_80932AC(Callback callBack) @@ -730,9 +730,9 @@ bool8 sub_8093AA0(struct Task *task) u32 i; ewram0_2.var_4 = FALSE; - dp12_8087EA4(); + ScanlineEffect_Clear(); for (i = 0; i < 0xA0; i++) - gUnknown_03004DE0[1][i] = -4; + gScanlineEffectRegBuffers[1][i] = -4; SetHBlankCallback(sub_8093D7C); ewram0_2.var_4 = TRUE; task->data[0]++; @@ -768,7 +768,7 @@ bool8 sub_8093AF0(struct Task *task) for (i = 0; i < r7; i++) { - gUnknown_03004DE0.filler0[i] = -4 - (u32)i; + gScanlineEffectRegBuffers.filler0[i] = -4 - (u32)i; } //_08093B74 for (; i < r9; i++) @@ -776,10 +776,10 @@ bool8 sub_8093AF0(struct Task *task) u16 var = r6 >> 16; r6 += r5; r5 -= sp0; - gUnknown_03004DE0.filler0[i] = -4 + var; + gScanlineEffectRegBuffers.filler0[i] = -4 + var; } for (; i < 160; i++) - gUnknown_03004DE0.filler0[i] = -4 + (u16)(r10 >> 16); + gScanlineEffectRegBuffers.filler0[i] = -4 + (u16)(r10 >> 16); ewram0_2.var_4 = 1; if (task->data[1] > 0x4A) task->data[0]++; @@ -840,7 +840,7 @@ _08093B18:\n\ movs r3, 0\n\ cmp r3, r7\n\ bcs _08093B74\n\ - ldr r2, _08093C04 @ =gUnknown_03004DE0\n\ + ldr r2, _08093C04 @ =gScanlineEffectRegBuffers\n\ mov r12, r2\n\ ldr r0, _08093C08 @ =0x0000fffc\n\ adds r4, r0, 0\n\ @@ -866,7 +866,7 @@ _08093B74:\n\ lsrs r7, r4, 16\n\ cmp r2, r0\n\ bge _08093BAE\n\ - ldr r0, _08093C04 @ =gUnknown_03004DE0\n\ + ldr r0, _08093C04 @ =gScanlineEffectRegBuffers\n\ mov r9, r0\n\ ldr r4, _08093C08 @ =0x0000fffc\n\ mov r12, r4\n\ @@ -894,7 +894,7 @@ _08093BAE:\n\ asrs r0, 16\n\ cmp r0, 0x9F\n\ bgt _08093BD4\n\ - ldr r4, _08093C04 @ =gUnknown_03004DE0\n\ + ldr r4, _08093C04 @ =gScanlineEffectRegBuffers\n\ ldr r0, _08093C08 @ =0x0000fffc\n\ adds r2, r1, r0\n\ _08093BBE:\n\ @@ -934,7 +934,7 @@ _08093BEA:\n\ .align 2, 0\n\ _08093BFC: .4byte gSharedMem\n\ _08093C00: .4byte 0xffff0000\n\ -_08093C04: .4byte gUnknown_03004DE0\n\ +_08093C04: .4byte gScanlineEffectRegBuffers\n\ _08093C08: .4byte 0x0000fffc\n\ .syntax divided\n"); } @@ -1000,7 +1000,7 @@ _08093C5C:\n\ movs r3, 0\n\ cmp r3, r7\n\ bcs _08093CB8\n\ - ldr r2, _08093D48 @ =gUnknown_03004DE0\n\ + ldr r2, _08093D48 @ =gScanlineEffectRegBuffers\n\ mov r12, r2\n\ ldr r0, _08093D4C @ =0x0000fffc\n\ adds r4, r0, 0\n\ @@ -1026,7 +1026,7 @@ _08093CB8:\n\ lsrs r7, r4, 16\n\ cmp r2, r0\n\ bge _08093CF2\n\ - ldr r0, _08093D48 @ =gUnknown_03004DE0\n\ + ldr r0, _08093D48 @ =gScanlineEffectRegBuffers\n\ mov r9, r0\n\ ldr r3, _08093D4C @ =0x0000fffc\n\ mov r12, r3\n\ @@ -1054,7 +1054,7 @@ _08093CF2:\n\ asrs r0, 16\n\ cmp r0, 0x9F\n\ bgt _08093D18\n\ - ldr r4, _08093D48 @ =gUnknown_03004DE0\n\ + ldr r4, _08093D48 @ =gScanlineEffectRegBuffers\n\ ldr r0, _08093D4C @ =0x0000fffc\n\ adds r2, r1, r0\n\ _08093D02:\n\ @@ -1094,7 +1094,7 @@ _08093D2E:\n\ .align 2, 0\n\ _08093D40: .4byte gSharedMem\n\ _08093D44: .4byte 0xffff0000\n\ -_08093D48: .4byte gUnknown_03004DE0\n\ +_08093D48: .4byte gScanlineEffectRegBuffers\n\ _08093D4C: .4byte 0x0000fffc\n\ .syntax divided\n"); } @@ -1113,7 +1113,7 @@ bool8 sub_8093D50(struct Task *task) void sub_8093D7C(void) { - u16 bgVOffset = gUnknown_03004DE0[1][REG_VCOUNT & 0xFF]; + u16 bgVOffset = gScanlineEffectRegBuffers[1][REG_VCOUNT & 0xFF]; REG_BG0VOFS = bgVOffset; REG_BG1VOFS = bgVOffset; diff --git a/src/field/diploma.c b/src/field/diploma.c index 7028eec02..978eca7eb 100644 --- a/src/field/diploma.c +++ b/src/field/diploma.c @@ -10,7 +10,7 @@ #include "strings2.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" static void VBlankCB(void); static void MainCB2(void); @@ -62,7 +62,7 @@ void CB2_ShowDiploma(void) LZ77UnCompVram(gDiplomaTiles, (void *)VRAM); LZ77UnCompVram(gDiplomaTilemap, (void *)(VRAM + 0x3000)); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); ResetPaletteFade(); diff --git a/src/field/field_screen_effect.c b/src/field/field_screen_effect.c index 6e818ce68..61301c5a9 100644 --- a/src/field/field_screen_effect.c +++ b/src/field/field_screen_effect.c @@ -7,13 +7,13 @@ #include "script.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" const static u16 gUnknown_0839ACDC[] = { 0xC8, 0x48, 0x38, 0x28, 0x18, 0x0 }; const s32 gMaxFlashLevel = 4; -const static struct UnknownTaskStruct gUnknown_0839ACEC = +const static struct ScanlineEffectParams gUnknown_0839ACEC = { (void *)REG_ADDR_WIN0H, ((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_DEST_RELOAD) << 16) | 1, @@ -64,18 +64,18 @@ static void sub_8081424(u8 taskId) switch (data[0]) { case 0: - sub_8081398(&gUnknown_03004DE0[gUnknown_03004DC0.srcBank][0], data[1], data[2], data[3]); + sub_8081398(gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer], data[1], data[2], data[3]); data[0] = 1; break; case 1: - sub_8081398(&gUnknown_03004DE0[gUnknown_03004DC0.srcBank][0], data[1], data[2], data[3]); + sub_8081398(gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer], data[1], data[2], data[3]); data[0] = 0; data[3] += data[5]; if (data[3] > data[4]) { if (data[6] == 1) { - remove_some_task(); + ScanlineEffect_Stop(); data[0] = 2; } else @@ -85,7 +85,7 @@ static void sub_8081424(u8 taskId) } break; case 2: - dp12_8087EA4(); + ScanlineEffect_Clear(); DestroyTask(taskId); break; } @@ -140,8 +140,8 @@ void sub_80815E0(u8 a1) { if (a1) { - sub_8081398(&gUnknown_03004DE0[0][0], 120, 80, gUnknown_0839ACDC[a1]); - CpuFastSet(&gUnknown_03004DE0[0], &gUnknown_03004DE0[1], 480); + sub_8081398(&gScanlineEffectRegBuffers[0][0], 120, 80, gUnknown_0839ACDC[a1]); + CpuFastSet(&gScanlineEffectRegBuffers[0], &gScanlineEffectRegBuffers[1], 480); } } @@ -208,10 +208,10 @@ static void sub_80816A8(u8 taskId) REG_BLDALPHA = 1804; REG_WININ = 63; REG_WINOUT = 30; - sub_8081398(&gUnknown_03004DE0[0][0], data[2], data[3], 1); - CpuFastSet(&gUnknown_03004DE0[0], &gUnknown_03004DE0[1], 480); - //sub_80895F8(gUnknown_0839ACEC[0], gUnknown_0839ACEC[1], gUnknown_0839ACEC[2]); - sub_80895F8(gUnknown_0839ACEC); + sub_8081398(&gScanlineEffectRegBuffers[0][0], data[2], data[3], 1); + CpuFastSet(&gScanlineEffectRegBuffers[0], &gScanlineEffectRegBuffers[1], 480); + //ScanlineEffect_SetParams(gUnknown_0839ACEC[0], gUnknown_0839ACEC[1], gUnknown_0839ACEC[2]); + ScanlineEffect_SetParams(gUnknown_0839ACEC); data[0] = 1; break; case 1: diff --git a/src/field/item_menu.c b/src/field/item_menu.c index 2be5f1e1d..e0575af4c 100644 --- a/src/field/item_menu.c +++ b/src/field/item_menu.c @@ -33,7 +33,7 @@ #include "string_util.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" // External stuff @@ -397,7 +397,7 @@ static bool8 SetupBagMultistep(void) gMain.state++; break; case 1: - remove_some_task(); + ScanlineEffect_Stop(); gMain.state++; break; case 2: diff --git a/src/field/overworld.c b/src/field/overworld.c index 9fab20876..86b0a5dac 100644 --- a/src/field/overworld.c +++ b/src/field/overworld.c @@ -47,7 +47,7 @@ #include "tileset_anim.h" #include "time_events.h" #include "tv.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "wild_encounter.h" #ifdef SAPPHIRE @@ -142,7 +142,7 @@ const struct UCoords32 gUnknown_0821664C[] = { 1, -1}, }; -const struct UnknownTaskStruct gUnknown_08216694 = +const struct ScanlineEffectParams gUnknown_08216694 = { (void *)REG_ADDR_WIN0H, ((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_DEST_RELOAD) << 16) | 1, @@ -1410,7 +1410,7 @@ void VBlankCB_Field(void) { LoadOam(); ProcessSpriteCopyRequests(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); sub_8057A58(); TransferPlttBuffer(); sub_8072E74(); @@ -1422,7 +1422,7 @@ void sub_8054814(void) if (val) { sub_80815E0(val); - sub_80895F8(gUnknown_08216694); + ScanlineEffect_SetParams(gUnknown_08216694); } } @@ -1669,7 +1669,7 @@ void sub_8054BA8(void) REG_DISPCNT = 0; - remove_some_task(); + ScanlineEffect_Stop(); DmaClear16(3, PLTT + 2, PLTT_SIZE - 2); @@ -1731,7 +1731,7 @@ void sub_8054D4C(u32 a1) ResetTasks(); ResetSpriteData(); ResetPaletteFade(); - dp12_8087EA4(); + ScanlineEffect_Clear(); ResetCameraUpdateInfo(); InstallCameraPanAheadCallback(); sub_805C7C4(0); diff --git a/src/field/party_menu.c b/src/field/party_menu.c index 9cad5bd73..7d243f569 100644 --- a/src/field/party_menu.c +++ b/src/field/party_menu.c @@ -32,7 +32,7 @@ #include "string_util.h" #include "strings.h" #include "task.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "util.h" #include "script_pokemon_80F9.h" #include "ewram.h" @@ -648,7 +648,7 @@ bool8 InitPartyMenu(void) gMain.state++; break; case 1: - remove_some_task(); + ScanlineEffect_Stop(); gMain.state++; break; case 2: diff --git a/src/field/pokeblock.c b/src/field/pokeblock.c index dd94e1755..7e8bdc2ce 100644 --- a/src/field/pokeblock.c +++ b/src/field/pokeblock.c @@ -8,7 +8,7 @@ #include "script.h" #include "strings.h" #include "task.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "text.h" #include "main.h" #include "menu.h" @@ -255,7 +255,7 @@ static bool8 sub_810B6C0(void) gMain.state++; break; case 1: - remove_some_task(); + ScanlineEffect_Stop(); gMain.state++; break; case 2: diff --git a/src/field/shop.c b/src/field/shop.c index d56d65c3f..1dc6ba0cd 100644 --- a/src/field/shop.c +++ b/src/field/shop.c @@ -15,7 +15,7 @@ #include "strings.h" #include "task.h" #include "tv.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "field_map_obj.h" #include "field_player_avatar.h" #include "fieldmap.h" @@ -266,7 +266,7 @@ void BuyMenuDrawGraphics(void) register u16 zero2 asm("r5"); sub_80F9438(); - remove_some_task(); + ScanlineEffect_Stop(); REG_BG1HOFS = (zero2 = 0); REG_BG1VOFS = zero2; REG_BG2HOFS = zero2; diff --git a/src/field/start_menu.c b/src/field/start_menu.c index 5b2276d1b..d6881cb01 100644 --- a/src/field/start_menu.c +++ b/src/field/start_menu.c @@ -28,7 +28,7 @@ #include "strings2.h" #include "task.h" #include "trainer_card.h" -#include "unknown_task.h" +#include "scanline_effect.h" //Menu actions enum { @@ -750,7 +750,7 @@ static bool32 sub_80719FC(u8 *step) REG_DISPCNT = 0; SetVBlankCallback(NULL); - remove_some_task(); + ScanlineEffect_Stop(); DmaClear16(3, PLTT, PLTT_SIZE); addr = (void *)VRAM; size = 0x18000; @@ -771,7 +771,7 @@ static bool32 sub_80719FC(u8 *step) ResetSpriteData(); ResetTasks(); ResetPaletteFade(); - dp12_8087EA4(); + ScanlineEffect_Clear(); break; case 2: Text_LoadWindowTemplate(&gWindowTemplate_81E6CE4); diff --git a/src/field/starter_choose.c b/src/field/starter_choose.c index 91b706e78..418488774 100644 --- a/src/field/starter_choose.c +++ b/src/field/starter_choose.c @@ -14,7 +14,7 @@ #include "strings.h" #include "task.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern u16 gSpecialVar_Result; extern struct SpriteTemplate gUnknown_02024E8C; @@ -285,7 +285,7 @@ void CB2_ChooseStarter(void) LZ77UnCompVram(&gBirchHelpGfx, (void *)VRAM); LZ77UnCompVram(&gBirchBagTilemap, (void *)(VRAM + 0x3000)); LZ77UnCompVram(&gBirchGrassTilemap, (void *)(VRAM + 0x3800)); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); ResetPaletteFade(); diff --git a/src/field/use_pokeblock.c b/src/field/use_pokeblock.c index 9363498ba..42020c49a 100644 --- a/src/field/use_pokeblock.c +++ b/src/field/use_pokeblock.c @@ -117,7 +117,7 @@ static void sub_81365A0(void); static void sub_81365C8(void); static void sub_8136638(void); static void sub_81368A4(void); -void sub_8089668(void); +void ScanlineEffect_InitHBlankDmaTransfer(void); static void sub_8136B44(void); static u8 sub_81370E4(u8); static void sub_8136BB8(void); @@ -194,7 +194,7 @@ static void sub_8136264(void) ProcessSpriteCopyRequests(); TransferPlttBuffer(); sub_80F5CDC(6); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } static void launch_c3_walk_stairs_and_run_once(void (*const func)(void)) diff --git a/src/field/wallclock.c b/src/field/wallclock.c index 4f2a6dccd..aaa7f9ae8 100644 --- a/src/field/wallclock.c +++ b/src/field/wallclock.c @@ -10,7 +10,7 @@ #include "strings2.h" #include "task.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern u16 gSpecialVar_0x8004; extern u8 gMiscClock_Gfx[]; @@ -229,7 +229,7 @@ static void LoadWallClockGraphics(void) LoadPalette(gMiscClockMale_Pal, 0, 32); else LoadPalette(gMiscClockFemale_Pal, 0, 32); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); ResetPaletteFade(); diff --git a/src/libs/libagbsyscall.s b/src/libs/libagbsyscall.s new file mode 100644 index 000000000..cdf6ca905 --- /dev/null +++ b/src/libs/libagbsyscall.s @@ -0,0 +1,91 @@ + .include "include/macros.inc" + .syntax unified + + .text + + thumb_func_start ArcTan2 +ArcTan2: @ 81E07E0 + swi 0xA + bx lr + thumb_func_end ArcTan2 + + thumb_func_start BgAffineSet +BgAffineSet: @ 81E07E4 + swi 0xE + bx lr + thumb_func_end BgAffineSet + + thumb_func_start CpuFastSet +CpuFastSet: @ 81E07E8 + swi 0xC + bx lr + thumb_func_end CpuFastSet + + thumb_func_start CpuSet +CpuSet: @ 81E07EC + swi 0xB + bx lr + thumb_func_end CpuSet + + thumb_func_start LZ77UnCompVram +LZ77UnCompVram: @ 81E07F4 + swi 0x12 + bx lr + thumb_func_end LZ77UnCompVram + + thumb_func_start LZ77UnCompWram +LZ77UnCompWram: @ 81E07F8 + swi 0x11 + bx lr + thumb_func_end LZ77UnCompWram + + thumb_func_start ObjAffineSet +ObjAffineSet: @ 81E0804 + swi 0xF + bx lr + thumb_func_end ObjAffineSet + + thumb_func_start RLUnCompVram +RLUnCompVram: @ 81E0808 + swi 0x15 + bx lr + thumb_func_end RLUnCompVram + + thumb_func_start RLUnCompWram +RLUnCompWram: @ 81E080C + swi 0x14 + bx lr + thumb_func_end RLUnCompWram + + thumb_func_start RegisterRamReset +RegisterRamReset: @ 81E0810 + swi 0x1 + bx lr + thumb_func_end RegisterRamReset + + thumb_func_start SoftReset +SoftReset: @ 81E0814 + ldr r3, =0x04000208 + movs r2, 0 + strb r2, [r3] + ldr r1, =0x03007f00 @ User Stack + mov sp, r1 + swi 0x1 + swi 0 + .pool + thumb_func_end SoftReset + + thumb_func_start Sqrt +Sqrt: @ 81E082C + swi 0x8 + bx lr + thumb_func_end Sqrt + + thumb_func_start VBlankIntrWait +VBlankIntrWait: @ 81E0830 + movs r2, 0 + swi 0x5 + bx lr + thumb_func_end VBlankIntrWait + + .align 2, 0 @ Don't pad with nop. diff --git a/src/libs/libgcnmultiboot.s b/src/libs/libgcnmultiboot.s new file mode 100644 index 000000000..8c8b94998 --- /dev/null +++ b/src/libs/libgcnmultiboot.s @@ -0,0 +1,641 @@ +@ This library can be used to download and execute a multi-boot image from +@ a GameCube using the JOY Bus protocol over the link cable. + + .include "include/macros.inc" + .include "constants/constants.inc" + + .equiv GCMB_STRUCT_COUNTER1, 0x00 + .equiv GCMB_STRUCT_COUNTER2, 0x01 + .equiv GCMB_STRUCT_MBPROGRESS, 0x02 + .equiv GCMB_STRUCT_SAVEDVCOUNT, 0x03 + .equiv GCMB_STRUCT_KEYA, 0x04 + .equiv GCMB_STRUCT_KEYB, 0x08 + .equiv GCMB_STRUCT_KEYC, 0x0C + .equiv GCMB_STRUCT_BOOT_KEY, 0x10 + .equiv GCMB_STRUCT_IMAGE_SIZE, 0x12 + .equiv GCMB_STRUCT_SESSION_KEY, 0x14 + .equiv GCMB_STRUCT_HASH_VAL, 0x18 + .equiv GCMB_STRUCT_KEYC_DERIVATION, 0x1C + .equiv GCMB_STRUCT_BASE_DEST_PTR, 0x20 + .equiv GCMB_STRUCT_CUR_DEST_PTR, 0x24 + .equiv GCMB_STRUCT_SERIAL_INTR_HANDLER, 0x28 + + .equiv ROM_HEADER_NINTENDO_LOGO_OFFSET, 0x04 + .equiv ROM_HEADER_NINTENDO_LOGO_LENGTH, 0x98 + .equiv ROM_HEADER_NINTENDO_LOGO_END, 0xA0 + + .equiv MBPROGRESS_NONE, 0x00 + .equiv MBPROGRESS_LOGO_CORRECT, 0x01 + .equiv MBPROGRESS_READY_TO_BOOT, 0x02 + + .equiv GCMB_MAGIC_BOOTKEY_HASHVAL, 0xBB + .equiv GCMB_MAGIC_BOOTKEY, 0xBB + .equiv GCMB_MAGIC_COUNTER2, 0xCC + .equiv GCMB_MAGIC_KEYA, 0xDD + .equiv GCMB_MAGIC_KEYB, 0xEE + .equiv GCMB_MAGIC_KEYCDERIVATION, 0xFF + + .syntax unified + + .text + + thumb_func_start GameCubeMultiBoot_Hash +GameCubeMultiBoot_Hash: @ 81DCB38 + push {r4,lr} + ldr r4, pool_HashVal + eors r3, r1 + movs r2, 0x20 + +GameCubeMultiBoot_Hash_Loop: + lsrs r3, 1 + bcc GameCubeMultiBoot_Hash_SkipEor + + eors r3, r4 + +GameCubeMultiBoot_Hash_SkipEor: + subs r2, 0x1 + bne GameCubeMultiBoot_Hash_Loop + + pop {r4,pc} + thumb_func_end GameCubeMultiBoot_Hash + + thumb_func_start GameCubeMultiBoot_Main +@ void GameCubeMultiBoot_Main(struct GameCubeMultiBoot *mb)@ +GameCubeMultiBoot_Main: @ 81DCB4C + @ If there is no interrupt handler, skip counter manipulation + ldr r1, [r0, GCMB_STRUCT_SERIAL_INTR_HANDLER] + cmp r1, 0 + beq GameCubeMultiBoot_Main_SkipCounters + @ Increment the second counter + ldrb r1, [r0, GCMB_STRUCT_COUNTER2] + adds r1, 0x1 + strb r1, [r0, GCMB_STRUCT_COUNTER2] + @ If there is nothing more to do, bail out + ldrb r1, [r0, GCMB_STRUCT_MBPROGRESS] + cmp r1, MBPROGRESS_READY_TO_BOOT + beq GameCubeMultiBoot_Main_Return + @ Save current interrupt master register value + ldr r3, pool_InterruptRegs + ldrh r2, [r3, OFFSET_REG_IME - 0x200] + @ Disable all interrupts + movs r1, 0 + strh r1, [r3, OFFSET_REG_IME - 0x200] + @ Increment the first counter, if it's less than or equal to 10. + ldrb r1, [r0, GCMB_STRUCT_COUNTER1] + cmp r1, 0xA + bgt GameCubeMultiBoot_Main_SkipCounter1Inc + adds r1, 0x1 + strb r1, [r0, GCMB_STRUCT_COUNTER1] +GameCubeMultiBoot_Main_SkipCounter1Inc: + @ Load the saved interrupt master register value (re-enables interrupts if they were enabled before) + strh r2, [r3, OFFSET_REG_IME - 0x200] +GameCubeMultiBoot_Main_SkipCounters: + @ Initialise multiboot structures if required + bcs GameCubeMultiBoot_Init + @ Skip this section (check Nintendo logo) if the check has already passed + ldrb r1, [r0, GCMB_STRUCT_MBPROGRESS] + cmp r1, MBPROGRESS_NONE + bne GameCubeMultiBoot_Main_SkipLogoCheck + @ Bail out if no multiboot image data has been transferred yet + ldr r1, [r0, GCMB_STRUCT_CUR_DEST_PTR] + ldr r2, [r0, GCMB_STRUCT_BASE_DEST_PTR] + subs r1, r2 + beq GameCubeMultiBoot_Main_Return2 + @ Also bail out if not enough data has been transferred + cmp r1, ROM_HEADER_NINTENDO_LOGO_END + bcc GameCubeMultiBoot_Main_Return2 + @ Compare the Nintendo logo of the transferred multiboot image header, with the one in the ROM image of the inserted cart + push {r4-r6} + movs r1, ROM_HEADER_NINTENDO_LOGO_LENGTH + adds r2, ROM_HEADER_NINTENDO_LOGO_OFFSET + ldr r4, pool_NintendoLogo +GameCubeMultiBoot_Main_LogoCmpLoop: + ldm r2!, {r5} + ldm r4!, {r6} + cmp r5, r6 + bne GameCubeMultiBoot_Main_LogoCmpEnd + subs r1, 0x4 + bne GameCubeMultiBoot_Main_LogoCmpLoop + ldm r2!, {r5} + ldm r4!, {r6} + eors r5, r6 + lsrs r5, 8 + str r2, [r0, GCMB_STRUCT_BASE_DEST_PTR] +GameCubeMultiBoot_Main_LogoCmpEnd: + pop {r4-r6} + @ Throw everything away if the logo data didn't match + bne GameCubeMultiBoot_Init + @ Logo matched, set the relevent multiboot progress bit + movs r1, MBPROGRESS_LOGO_CORRECT + strb r1, [r0, GCMB_STRUCT_MBPROGRESS] + @ XOR together KeyA and KeyB to get the initial multiboot image checksum value + ldr r1, [r0, GCMB_STRUCT_KEYA] + ldr r2, [r0, GCMB_STRUCT_KEYB] + eors r1, r2 + str r1, [r0, GCMB_STRUCT_HASH_VAL] + @ ...also use it as the initial value for the image encryption session key. Algorithm is the same as the GBA BIOS multiboot: sessionkey = (initialvalue * 0x6177614b) + 1 + ldr r2, pool_Kawa + muls r1, r2 + adds r1, 0x1 + str r1, [r0, GCMB_STRUCT_SESSION_KEY] +GameCubeMultiBoot_Main_Return: + bx lr +GameCubeMultiBoot_Main_SkipLogoCheck: + @ If this code is executed, then the logo check has passed, and the data being transferred in is encrypted. + @ Set up registers. + ldr r1, [r0, GCMB_STRUCT_CUR_DEST_PTR] + mov r12, r1 + ldr r3, [r0, GCMB_STRUCT_HASH_VAL] + push {r4-r7} + ldr r4, [r0, GCMB_STRUCT_BASE_DEST_PTR] + ldr r5, pool_Kawa + ldr r6, [r0, GCMB_STRUCT_SESSION_KEY] + ldr r7, pool_HashVal +GameCubeMultiBoot_Main_ImageDecryptHashLoop: + @ If there's no more data, break out of the loop + cmp r4, r12 + bcs GameCubeMultiBoot_Main_ImageDecryptHashEnd + @ Get the next uint32 + ldr r1, [r4] + @ Decrypt the ciphertext: plaintext = (ciphertext ^ sessionkey) + hashval + eors r1, r6 + adds r1, r3 + @ Save the current uint32 of plaintext and advance the pointer + stm r4!, {r1} + @ Advance the hashval with this uint32 of plaintext -- this is the same code as GameCubeMultiBoot_Hash. + eors r3, r1 + movs r2, 0x20 +GameCubeMultiBoot_Main_HashLoop: + lsrs r3, 1 + bcc GameCubeMultiBoot_Main_HashSkipEor + eors r3, r7 +GameCubeMultiBoot_Main_HashSkipEor: + subs r2, 0x1 + bne GameCubeMultiBoot_Main_HashLoop + @ Advance the sessionkey with the usual algorithm: sessionkey = (sessionkey * 0x6177614b) + 1 + muls r6, r5 + adds r6, 0x1 + b GameCubeMultiBoot_Main_ImageDecryptHashLoop +GameCubeMultiBoot_Main_ImageDecryptHashEnd: + @ Save the new pointer, sessionkey, hashval + str r4, [r0, GCMB_STRUCT_BASE_DEST_PTR] + str r6, [r0, GCMB_STRUCT_SESSION_KEY] + pop {r4-r7} + str r3, [r0, GCMB_STRUCT_HASH_VAL] + @ Bail out if the image size is unknown + ldrh r1, [r0, GCMB_STRUCT_IMAGE_SIZE] + cmp r1, 0 + bne GameCubeMultiBoot_Main_Return2 + @ Bail out if no image data has been transferred + ldr r1, [r0, GCMB_STRUCT_CUR_DEST_PTR] + ldr r2, [r0, GCMB_STRUCT_BASE_DEST_PTR] + cmp r1, r2 + bne GameCubeMultiBoot_Main_Return2 + @ If KeyC hasn't been generated yet, go generate it + ldr r1, [r0, GCMB_STRUCT_KEYC] + cmp r1, 0 + beq GameCubeMultiBoot_Main_GenerateKeyC + @ If the other side hasn't sent its boot key yet, bail out + ldrh r1, [r0, GCMB_STRUCT_BOOT_KEY] + cmp r1, 0 + beq GameCubeMultiBoot_Main_Return + @ Save off LR so it doesn't get clobbered by the upcoming function call + mov r12, lr + @ Generate the real boot key, which is the checksum of a hardcoded value and KeyC + movs r1, GCMB_MAGIC_BOOTKEY_HASHVAL + ldr r3, [r0, GCMB_STRUCT_KEYC] + bl GameCubeMultiBoot_Hash + ldrh r1, [r0, GCMB_STRUCT_BOOT_KEY] + @ Restore the saved LR value + mov lr, r12 + @ Compare the two boot keys (real and passed in), if they don't match then throw everything away + subs r1, r3 + bne GameCubeMultiBoot_Init + @ The two boot keys matched, tell the caller that the image is ready to boot + movs r1, MBPROGRESS_READY_TO_BOOT + strb r1, [r0, GCMB_STRUCT_MBPROGRESS] + @ Nothing more to do, return. + bx lr +GameCubeMultiBoot_Main_GenerateKeyC: + @ Save off LR so it doesn't get clobbered by the upcoming function call + mov r12, lr + @ KeyC = (SavedVCount << 24) - 1 + ldrb r1, [r0, GCMB_STRUCT_SAVEDVCOUNT] + lsls r1, 24 + subs r1, 0x1 + str r1, [r0, GCMB_STRUCT_KEYC] + @ Hash the KeyC with the multiboot image checksum to generate the KeyC derivation material to be sent to the other side of the link + bl GameCubeMultiBoot_Hash + @ Make sure the sent KeyC derivation material contains a magic value so that the other side can detect it + lsls r3, 8 + adds r3, GCMB_MAGIC_KEYCDERIVATION + @ Save off the KeyC derivation material and return to caller + str r3, [r0, GCMB_STRUCT_KEYC_DERIVATION] + bx r12 +GameCubeMultiBoot_Main_Return2: + bx lr + thumb_func_end GameCubeMultiBoot_Main + + .align 2, 0 + +pool_HashVal: .4byte 0xa1c1 + +pool_Kawa: .ascii "Kawa" @ name of BIOS developer + +pool_NintendoLogo: .4byte RomHeaderNintendoLogo + + thumb_func_start GameCubeMultiBoot_ExecuteProgram +@ void GameCubeMultiBoot_ExecuteProgram(struct GameCubeMultiBoot *mb)@ +GameCubeMultiBoot_ExecuteProgram: @ 81DCC4C + @ If there's no multiboot image ready, just return to caller + ldrb r1, [r0, GCMB_STRUCT_MBPROGRESS] + cmp r1, MBPROGRESS_READY_TO_BOOT + bne GameCubeMultiBoot_ExecuteProgram_Fail + @ Disable interrupts + ldr r3, pool_InterruptRegs + movs r1, 0 + strh r1, [r3, OFFSET_REG_IME - 0x200] + @ Jump to the real entry point of the multiboot image (past the image header), in ARM mode + ldr r1, pool_MultiBootLoadAddr + adds r1, 0xC0 + bx r1 +GameCubeMultiBoot_ExecuteProgram_Fail: + bx lr + thumb_func_end GameCubeMultiBoot_ExecuteProgram + + thumb_func_start GameCubeMultiBoot_Init +@ void GameCubeMultiBoot_Init(struct GameCubeMultiBoot *mb)@ +GameCubeMultiBoot_Init: @ 81DCC60 + ldr r3, pool_InterruptRegs + +@ Save IME register. + ldrh r2, [r3, OFFSET_REG_IME - 0x200] + +@ Disable interrupts. + movs r1, 0 + strh r1, [r3, OFFSET_REG_IME - 0x200] + +@ Set the handler to the "Stop" routine. +@ Unless the first command that is received is a device reset command, the +@ "Stop" routine will be executed and no further commands will be processed. + adr r3, GcMbIntrHandler_Stop + str r3, [r0, GCMB_STRUCT_SERIAL_INTR_HANDLER] + + ldrb r3, [r0, 0x3] + push {r3} + ldrb r3, [r0, 0x1] + push {r0,r3} + + adds r3, r0, 0 + adds r3, GCMB_STRUCT_BASE_DEST_PTR + +@ clear all but the last 3 fields of the struct +GameCubeMultiBoot_Init_ClearStructLoop: + stm r0!, {r1} + cmp r0, r3 + blo GameCubeMultiBoot_Init_ClearStructLoop + + pop {r0,r3} + lsrs r3, 1 + strb r3, [r0, 0x3] + pop {r3} + strb r3, [r0, 0x1] + + ldr r3, pool_SerialRegs + +@ Turn off JOY Bus mode. + lsls r0, r3, 10 + strh r0, [r3, OFFSET_REG_RCNT - 0x120] + +@ Turn on JOY Bus mode. + movs r0, 0xC0 + lsls r0, 8 + strh r0, [r3, OFFSET_REG_RCNT - 0x120] + +@ Init JOY Bus registers. + movs r0, 0x47 + strh r0, [r3, OFFSET_REG_JOYCNT - 0x120] + strh r1, [r3, OFFSET_REG_JOYSTAT - 0x120] + + ldr r3, pool_InterruptRegs + +@ Acknowledge serial interrupt. + movs r0, INTR_FLAG_SERIAL + strh r0, [r3, OFFSET_REG_IF - 0x200] + +@ Enable serial interrupt. + ldrh r1, [r3, OFFSET_REG_IE - 0x200] + orrs r1, r0 + strh r1, [r3, OFFSET_REG_IE - 0x200] + +@ Restore IME register. + strh r2, [r3, OFFSET_REG_IME - 0x200] + + bx lr + thumb_func_end GameCubeMultiBoot_Init + + non_word_aligned_thumb_func_start GameCubeMultiBoot_HandleSerialInterrupt +@ void GameCubeMultiBoot_HandleSerialInterrupt(struct GameCubeMultiBoot *mb)@ +GameCubeMultiBoot_HandleSerialInterrupt: @ 81DCCAA + ldr r3, pool_SerialRegs + +@ Acknowledge reset/receive/send flags. + ldrh r1, [r3, OFFSET_REG_JOYCNT - 0x120] + strh r1, [r3, OFFSET_REG_JOYCNT - 0x120] + + movs r2, 0 + strb r2, [r0] + + ldr r2, [r0, GCMB_STRUCT_SERIAL_INTR_HANDLER] + cmp r2, 0 + beq GameCubeMultiBoot_HandleSerialInterruptDone + + lsrs r1, 1 @ was a device reset command received? + bcs GameCubeMultiBoot_BeginHandshake @ branch if so + + mov pc, r2 + + .align 2, 0 + +@ Zero the status and the interrupt handler pointer. +@ Commands from the GameCube will not be processed after this is executed +@ unless GameCubeMultiBoot_Init() is called again. +GcMbIntrHandler_Stop: + movs r2, 0 + strh r2, [r3, OFFSET_REG_JOYSTAT - 0x120] + +GameCubeMultiBoot_SetInterruptHandler: + str r2, [r0, GCMB_STRUCT_SERIAL_INTR_HANDLER] + +GameCubeMultiBoot_ReadVCount: + ldr r3, pool_RegDispstat + ldrh r1, [r3, OFFSET_REG_VCOUNT - OFFSET_REG_DISPSTAT] + strb r1, [r0, 0x3] + +GameCubeMultiBoot_HandleSerialInterruptDone: + bx lr + +GameCubeMultiBoot_BeginHandshake: + @ Throw away anything that got sent + ldr r1, [r3, OFFSET_REG_JOY_RECV - 0x120] + @ Send the game code, the other side of the link must send back the same game code + ldr r1, pool_RubyUSAGameCode + str r1, [r3, OFFSET_REG_JOY_TRANS - 0x120] + movs r1, 0x10 + strh r1, [r3, OFFSET_REG_JOYSTAT - 0x120] + @ Use the saved VCount value to provide 8 bits of entropy for KeyB + ldrb r1, [r0, GCMB_STRUCT_SAVEDVCOUNT] + strb r1, [r0, GCMB_STRUCT_KEYB + 1] + @ If a multiboot image has been transferred at least enough such that the Nintendo logo check has passed, stop everything. + ldrb r1, [r0, GCMB_STRUCT_MBPROGRESS] + cmp r1, 0 + bne GcMbIntrHandler_Stop + @ Set the image destination pointers. + ldr r1, pool_MultiBootLoadAddr + str r1, [r0, GCMB_STRUCT_BASE_DEST_PTR] + str r1, [r0, GCMB_STRUCT_CUR_DEST_PTR] + @ Set the new interrupt handler. + adr r2, GcMbIntrHandler_CheckGameCodeSent + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckGameCodeSent: @ 81DCCEC + lsls r1, 31 + bcc GcMbIntrHandler_Stop @ stop if send failed + bmi GameCubeMultiBoot_CheckHandshakeResponse @ branch if receive is complete + +@ If the response hasn't been fully received yet, +@ check again upon the next interrupt. + adr r2, GcMbIntrHandler_CheckHandshakeResponse + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckHandshakeResponse: @ 81DCCF8 + lsrs r1, 1 @ is receive complete? + bcc GcMbIntrHandler_Stop @ stop if not + +GameCubeMultiBoot_CheckHandshakeResponse: + ldr r1, [r3, OFFSET_REG_JOY_RECV - 0x120] + ldr r2, pool_RubyUSAGameCode + cmp r1, r2 + bne GcMbIntrHandler_Stop @ stop if the GameCube didn't reply with the same game code + @ Use the saved VCount value to provide another 8 bits of entropy for KeyB. + ldrb r1, [r0, GCMB_STRUCT_SAVEDVCOUNT] + strb r1, [r0, GCMB_STRUCT_KEYB + 3] + adr r2, GcMbIntrHandler_ReceiveKeyA + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_ReceiveKeyA: @ 81DCD0C + lsrs r1, 1 @ is receive complete? + bcc GcMbIntrHandler_Stop @ branch if not + ldr r1, [r3, OFFSET_REG_JOY_RECV - 0x120] + @ make sure top 8 bits of the received value is the KeyA magic number, stop if KeyA is invalid + lsrs r2, r1, 24 + cmp r2, GCMB_MAGIC_KEYA + bne GcMbIntrHandler_Stop + @ save received KeyA + str r1, [r0, GCMB_STRUCT_KEYA] + @ use the second GameCubeMultiBoot_Main() counter as another 8 bits of entropy for KeyB + ldrb r1, [r0, GCMB_STRUCT_COUNTER2] + strb r1, [r0, GCMB_STRUCT_KEYB + 2] + movs r2, 0 + movs r3, 0 + ldr r1, [r0, GCMB_STRUCT_KEYB] + lsrs r1, 8 + @ make sure KeyB is valid (other side of the link is supposed to check KeyB too), if it's not then change the byte that was just set so it is +GameCubeMultiBoot_KeyBCheckLoop: + lsrs r1, 1 + adcs r2, r3 + cmp r1, 0 + bne GameCubeMultiBoot_KeyBCheckLoop + cmp r2, 0xE + bgt GameCubeMultiBoot_KeyBSaveNewByte + cmp r2, 0x7 + bge GameCubeMultiBoot_KeyBCheckEnd + movs r1, 0xFF +GameCubeMultiBoot_KeyBSaveNewByte: + strb r1, [r0, GCMB_STRUCT_KEYB + 2] +GameCubeMultiBoot_KeyBCheckEnd: + @ add in the KeyB magic number and send off KeyB + ldr r1, [r0, GCMB_STRUCT_KEYB] + adds r1, GCMB_MAGIC_KEYB + ldr r3, pool_SerialRegs + str r1, [r3, OFFSET_REG_JOY_TRANS - 0x120] + movs r1, 0x30 + strh r1, [r3, OFFSET_REG_JOYSTAT - 0x120] + @ set new interrupt handler + adr r2, GcMbIntrHandler_CheckKeyBSent + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckKeyBSent: @ 81DCD4C + lsls r1, 31 + bcc GcMbIntrHandler_Stop @ stop if send failed + bmi GameCubeMultiBoot_CheckImageSizeResponse @ branch if receive is complete + adr r2, GcMbIntrHandler_CheckImageSizeResponse + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckImageSizeResponse: @ 81DCD58 + lsrs r1, 1 @ is receive complete? + bcc GcMbIntrHandler_Stop @ branch if not +GameCubeMultiBoot_CheckImageSizeResponse: + ldr r1, [r3, OFFSET_REG_JOY_RECV - 0x120] + ldr r2, GameCubeMultiBoot_MaximumImageSizeUInt32s + cmp r1, r2 + bhs GcMbIntrHandler_Stop + adds r1, 0x1 + adds r1, r1 + strh r1, [r0, GCMB_STRUCT_IMAGE_SIZE] + ldrb r1, [r0, GCMB_STRUCT_MBPROGRESS] + cmp r1, 0 +GcMbIntrHandler_StopIfNotEqual: + bne GcMbIntrHandler_Stop + ldr r1, pool_MultiBootLoadAddr + str r1, [r0, GCMB_STRUCT_BASE_DEST_PTR] + str r1, [r0, GCMB_STRUCT_CUR_DEST_PTR] + adr r2, GcMbIntrHandler_CheckImageResponse + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckImageResponse: @ 81DCD7C + lsrs r1, 1 @ is receive complete? + bcc GcMbIntrHandler_Stop @ branch if not + ldr r2, [r0, GCMB_STRUCT_CUR_DEST_PTR] + movs r1, 0x4 + ands r1, r2 + adds r1, 0x8 + lsls r1, 2 + strh r1, [r3, OFFSET_REG_JOYSTAT - 0x120] + @ get the recieved uint32 + ldr r1, [r3, OFFSET_REG_JOY_RECV - 0x120] + @ put it in the current destination pointer and advance that pointer + stm r2!, {r1} + @ save off the advanced pointer + str r2, [r0, GCMB_STRUCT_CUR_DEST_PTR] + @ decrease the image size (in uint32s) + ldrh r1, [r0, GCMB_STRUCT_IMAGE_SIZE] + subs r1, 0x1 + strh r1, [r0, GCMB_STRUCT_IMAGE_SIZE] + @ branch away if the transfer is not yet complete + bne GameCubeMultiBoot_ReadVCount + +GcMbIntrHandler_SendCounter2: + @ send counter2 with magic number + ldrb r1, [r0, GCMB_STRUCT_COUNTER2] + lsls r1, 8 + adds r1, GCMB_MAGIC_COUNTER2 + str r1, [r3, OFFSET_REG_JOY_TRANS - 0x120] + adr r2, GcMbIntrHandler_CheckCounter2Sent + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckCounter2Sent: + lsls r1, 31 + +GcMbIntrHandler_StopIfSendFailed: + bcc GcMbIntrHandler_Stop @ stop if send failed + @ if KeyC derivation value has not yet been generated, send Counter2 again, otherwise, send KeyC derivation + ldr r1, [r0, GCMB_STRUCT_KEYC_DERIVATION] + cmp r1, 0 + beq GcMbIntrHandler_SendCounter2 + str r1, [r3, OFFSET_REG_JOY_TRANS - 0x120] + adr r2, GcMbIntrHandler_CheckKeyCDerivationSent + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckKeyCDerivationSent: @ 81DCDB8 + lsls r1, 31 + bcc GcMbIntrHandler_StopIfSendFailed @ branch if send failed + bmi GameCubeMultiBoot_CheckBootKeyResponse @ branch if receive is complete + adr r2, GcMbIntrHandler_CheckBootKeyResponse + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_CheckBootKeyResponse: @ 81DCDC4 + lsrs r1, 1 @ is receive complete? + bcc GcMbIntrHandler_StopIfSendFailed @ branch if not + +GameCubeMultiBoot_CheckBootKeyResponse: + ldr r1, [r3, OFFSET_REG_JOY_RECV - 0x120] + @ make sure received boot key contains expected magic number, stop if not + lsrs r2, r1, 24 + cmp r2, GCMB_MAGIC_BOOTKEY + bne GcMbIntrHandler_StopIfNotEqual + @ save received bootkey to be checked in GameCubeMultiBoot_Main() + strh r1, [r0, GCMB_STRUCT_BOOT_KEY] + @ stop if anything more gets sent + adr r2, GcMbIntrHandler_StopUnconditionally + b GameCubeMultiBoot_SetInterruptHandler + + .align 2, 0 + +GcMbIntrHandler_StopUnconditionally: @ 81DCDD8 + b GcMbIntrHandler_Stop + + thumb_func_end GameCubeMultiBoot_HandleSerialInterrupt + + non_word_aligned_thumb_func_start GameCubeMultiBoot_Quit +@ void GameCubeMultiBoot_Quit()@ +GameCubeMultiBoot_Quit: @ 81DCDDA + ldr r3, pool_InterruptRegs + +@ Save IME register. + ldrh r2, [r3, OFFSET_REG_IME - 0x200] + +@ Disable interrupts. + movs r1, 0 + strh r1, [r3, OFFSET_REG_IME - 0x200] + + ldr r3, pool_SerialRegs + +@ Acknowledge all JOYCNT flags. + movs r0, 0x7 + strh r0, [r3, OFFSET_REG_JOYCNT - 0x120] + +@ Turn off JOY Bus mode. + lsls r0, r3, 10 + strh r0, [r3, OFFSET_REG_RCNT - 0x120] @ store 0x8000 + + ldr r3, pool_InterruptRegs + +@ Acknowledge serial interrupt. + movs r0, INTR_FLAG_SERIAL + strh r0, [r3, OFFSET_REG_IF - 0x200] + +@ Disable serial interrupt. + ldrh r1, [r3, OFFSET_REG_IE - 0x200] + bics r1, r0 + strh r1, [r3, OFFSET_REG_IE - 0x200] + +@ Restore IME register. + strh r2, [r3, OFFSET_REG_IME - 0x200] + + bx lr + thumb_func_end GameCubeMultiBoot_Quit + + .align 2, 0 + +GameCubeMultiBoot_MaximumImageSizeUInt32s: .4byte 0x00004000 + +pool_InterruptRegs: .4byte REG_BASE + 0x200 + +pool_SerialRegs: .4byte REG_BASE + 0x120 + +pool_RegDispstat: .4byte REG_DISPSTAT + +pool_RubyUSAGameCode: .ascii "AXVE" + +pool_MultiBootLoadAddr: .4byte EWRAM_START + + .align 2, 0 @ Don't pad with nop. diff --git a/src/libs/m4a_1.s b/src/libs/m4a_1.s new file mode 100644 index 000000000..be8b44488 --- /dev/null +++ b/src/libs/m4a_1.s @@ -0,0 +1,1911 @@ + .include "include/macros.inc" + .include "constants/gba_constants.inc" + .include "constants/m4a_constants.inc" + + .syntax unified + + .lcomm gUnknown_030007B8, 0x770 + + .text + + thumb_func_start umul3232H32 +umul3232H32: + adr r2, __umul3232H32 + bx r2 + .arm +__umul3232H32: + umull r2, r3, r0, r1 + add r0, r3, 0 + bx lr + thumb_func_end umul3232H32 + + thumb_func_start SoundMain +SoundMain: + ldr r0, lt_SOUND_INFO_PTR + ldr r0, [r0] + ldr r2, lt_ID_NUMBER + ldr r3, [r0, o_SoundInfo_ident] + cmp r2, r3 + beq SoundMain_1 + bx lr @ Exit the function if ident doesn't match ID_NUMBER. +SoundMain_1: + adds r3, 1 + str r3, [r0, o_SoundInfo_ident] + push {r4-r7,lr} + mov r1, r8 + mov r2, r9 + mov r3, r10 + mov r4, r11 + push {r0-r4} + sub sp, 0x18 + ldrb r1, [r0, o_SoundInfo_maxLines] + cmp r1, 0 @ if maxLines is 0, there is no maximum + beq SoundMain_3 + ldr r2, lt_REG_VCOUNT + ldrb r2, [r2] + cmp r2, VCOUNT_VBLANK + bhs SoundMain_2 + adds r2, TOTAL_SCANLINES +SoundMain_2: + adds r1, r2 +SoundMain_3: + str r1, [sp, 0x14] + ldr r3, [r0, o_SoundInfo_func] + cmp r3, 0 + beq SoundMain_4 + ldr r0, [r0, o_SoundInfo_intp] + bl _081DD25E + ldr r0, [sp, 0x18] +SoundMain_4: + ldr r3, [r0, o_SoundInfo_CgbSound] + bl _081DD25E + ldr r0, [sp, 0x18] + ldr r3, [r0, o_SoundInfo_pcmSamplesPerVBlank] + mov r8, r3 + ldr r5, lt_o_SoundInfo_pcmBuffer + adds r5, r0 + ldrb r4, [r0, o_SoundInfo_pcmDmaCounter] + subs r7, r4, 1 + bls SoundMain_5 + ldrb r1, [r0, o_SoundInfo_pcmDmaPeriod] + subs r1, r7 + mov r2, r8 + muls r2, r1 + adds r5, r2 +SoundMain_5: + str r5, [sp, 0x8] + ldr r6, lt_PCM_DMA_BUF_SIZE + ldr r3, lt_SoundMainRAM_Buffer + bx r3 + + .align 2, 0 +lt_SOUND_INFO_PTR: .word SOUND_INFO_PTR +lt_ID_NUMBER: .word ID_NUMBER +lt_SoundMainRAM_Buffer: .word SoundMainRAM_Buffer + 1 +lt_REG_VCOUNT: .word REG_VCOUNT +lt_o_SoundInfo_pcmBuffer: .word o_SoundInfo_pcmBuffer +lt_PCM_DMA_BUF_SIZE: .word PCM_DMA_BUF_SIZE + thumb_func_end SoundMain + + thumb_func_start SoundMainRAM +SoundMainRAM: + ldrb r3, [r0, o_SoundInfo_reverb] + cmp r3, 0 + beq SoundMainRAM_NoReverb + adr r1, SoundMainRAM_Reverb + bx r1 + .arm +SoundMainRAM_Reverb: + cmp r4, 0x2 + addeq r7, r0, o_SoundInfo_pcmBuffer + addne r7, r5, r8 + mov r4, r8 +_081DCEC4: + ldrsb r0, [r5, r6] + ldrsb r1, [r5] + add r0, r0, r1 + ldrsb r1, [r7, r6] + add r0, r0, r1 + ldrsb r1, [r7], 0x1 + add r0, r0, r1 + mul r1, r0, r3 + mov r0, r1, asr 9 + tst r0, 0x80 + addne r0, r0, 0x1 + strb r0, [r5, r6] + strb r0, [r5], 0x1 + subs r4, r4, 0x1 + bgt _081DCEC4 + adr r0, _081DCF36 + 1 @ plus 1 because THUMB + bx r0 + .thumb +SoundMainRAM_NoReverb: + movs r0, 0 + mov r1, r8 + adds r6, r5 + lsrs r1, 3 + bcc SoundMainRAM_NoReverb_Ok + stm r5!, {r0} + stm r6!, {r0} +SoundMainRAM_NoReverb_Ok: + lsrs r1, 1 + bcc SoundMainRAM_NoReverb_Loop + stm r5!, {r0} + stm r6!, {r0} + stm r5!, {r0} + stm r6!, {r0} +SoundMainRAM_NoReverb_Loop: + stm r5!, {r0} + stm r6!, {r0} + stm r5!, {r0} + stm r6!, {r0} + stm r5!, {r0} + stm r6!, {r0} + stm r5!, {r0} + stm r6!, {r0} + subs r1, 1 + bgt SoundMainRAM_NoReverb_Loop +_081DCF36: + ldr r4, [sp, 0x18] + ldr r0, [r4, o_SoundInfo_divFreq] + mov r12, r0 + ldrb r0, [r4, o_SoundInfo_maxChans] + adds r4, o_SoundInfo_chans + +SoundMainRAM_ChanLoop: + str r0, [sp, 0x4] + ldr r3, [r4, o_SoundChannel_wav] + ldr r0, [sp, 0x14] + cmp r0, 0 + beq _081DCF60 + ldr r1, =REG_VCOUNT + ldrb r1, [r1] + cmp r1, VCOUNT_VBLANK + bhs _081DCF54 + adds r1, TOTAL_SCANLINES +_081DCF54: + cmp r1, r0 + blo _081DCF60 + b _081DD24A + + .pool + +_081DCF60: + ldrb r6, [r4, o_SoundChannel_status] + movs r0, 0xC7 + tst r0, r6 + bne _081DCF6A + b _081DD240 +_081DCF6A: + movs r0, 0x80 + tst r0, r6 + beq _081DCFA0 + movs r0, 0x40 + tst r0, r6 + bne _081DCFB0 + movs r6, 0x3 + strb r6, [r4, o_SoundChannel_status] + adds r0, r3, 0 + adds r0, 0x10 + ldr r1, [r4, o_SoundChannel_ct] + adds r0, r1 + str r0, [r4, o_SoundChannel_cp] + ldr r0, [r3, 0xC] + subs r0, r1 + str r0, [r4, o_SoundChannel_ct] + movs r5, 0 + strb r5, [r4, o_SoundChannel_ev] + str r5, [r4, o_SoundChannel_fw] + ldrb r2, [r3, 0x3] + movs r0, 0xC0 + tst r0, r2 + beq _081DCFF8 + movs r0, 0x10 + orrs r6, r0 + strb r6, [r4, o_SoundChannel_status] + b _081DCFF8 +_081DCFA0: + ldrb r5, [r4, o_SoundChannel_ev] + movs r0, 0x4 + tst r0, r6 + beq _081DCFB6 + ldrb r0, [r4, o_SoundChannel_iel] + subs r0, 1 + strb r0, [r4, o_SoundChannel_iel] + bhi _081DD006 +_081DCFB0: + movs r0, 0 + strb r0, [r4, o_SoundChannel_status] + b _081DD240 +_081DCFB6: + movs r0, 0x40 + tst r0, r6 + beq _081DCFD6 + ldrb r0, [r4, o_SoundChannel_release] + muls r5, r0 + lsrs r5, 8 + ldrb r0, [r4, o_SoundChannel_iev] + cmp r5, r0 + bhi _081DD006 +_081DCFC8: + ldrb r5, [r4, o_SoundChannel_iev] + cmp r5, 0 + beq _081DCFB0 + movs r0, 0x4 + orrs r6, r0 + strb r6, [r4, o_SoundChannel_status] + b _081DD006 +_081DCFD6: + movs r2, 0x3 + ands r2, r6 + cmp r2, 0x2 + bne _081DCFF4 + ldrb r0, [r4, o_SoundChannel_decay] + muls r5, r0 + lsrs r5, 8 + ldrb r0, [r4, o_SoundChannel_sustain] + cmp r5, r0 + bhi _081DD006 + adds r5, r0, 0 + beq _081DCFC8 + subs r6, 0x1 + strb r6, [r4, o_SoundChannel_status] + b _081DD006 +_081DCFF4: + cmp r2, 0x3 + bne _081DD006 +_081DCFF8: + ldrb r0, [r4, o_SoundChannel_attack] + adds r5, r0 + cmp r5, 0xFF + bcc _081DD006 + movs r5, 0xFF + subs r6, 0x1 + strb r6, [r4, o_SoundChannel_status] +_081DD006: + strb r5, [r4, o_SoundChannel_ev] + ldr r0, [sp, 0x18] + ldrb r0, [r0, o_SoundChannel_release] + adds r0, 0x1 + muls r0, r5 + lsrs r5, r0, 4 + ldrb r0, [r4, o_SoundChannel_rightVolume] + muls r0, r5 + lsrs r0, 8 + strb r0, [r4, o_SoundChannel_er] + ldrb r0, [r4, o_SoundChannel_leftVolume] + muls r0, r5 + lsrs r0, 8 + strb r0, [r4, o_SoundChannel_el] + movs r0, 0x10 + ands r0, r6 + str r0, [sp, 0x10] + beq _081DD03A + adds r0, r3, 0 + adds r0, 0x10 + ldr r1, [r3, 0x8] + adds r0, r1 + str r0, [sp, 0xC] + ldr r0, [r3, 0xC] + subs r0, r1 + str r0, [sp, 0x10] +_081DD03A: + ldr r5, [sp, 0x8] + ldr r2, [r4, o_SoundChannel_ct] + ldr r3, [r4, o_SoundChannel_cp] + adr r0, _081DD044 + bx r0 + .arm +_081DD044: + str r8, [sp] + ldr r9, [r4, o_SoundChannel_fw] + ldrb r10, [r4, o_SoundChannel_er] + ldrb r11, [r4, o_SoundChannel_el] + ldrb r0, [r4, o_SoundChannel_type] + tst r0, 0x30 + beq _081DD068 + bl sub_81DD264 + b _081DD228 +_081DD068: + mov r10, r10, lsl 16 + mov r11, r11, lsl 16 + ldrb r0, [r4, o_SoundChannel_type] + tst r0, 0x8 + beq _081DD19C +_081DD07C: + cmp r2, 0x4 + ble _081DD0EC + subs r2, r2, r8 + movgt r9, 0 + bgt _081DD0A8 + mov r9, r8 + add r2, r2, r8 + sub r8, r2, 0x4 + sub r9, r9, r8 + ands r2, r2, 0x3 + moveq r2, 0x4 +_081DD0A8: + ldr r6, [r5] + ldr r7, [r5, 0x630] +_081DD0B0: + ldrsb r0, [r3], 0x1 + mul r1, r10, r0 + bic r1, r1, 0xFF0000 + add r6, r1, r6, ror 8 + mul r1, r11, r0 + bic r1, r1, 0xFF0000 + add r7, r1, r7, ror 8 + adds r5, r5, 0x40000000 + bcc _081DD0B0 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + subs r8, r8, 0x4 + bgt _081DD0A8 + adds r8, r8, r9 + beq _081DD22C +_081DD0EC: + ldr r6, [r5] + ldr r7, [r5, 0x630] +_081DD0F4: + ldrsb r0, [r3], 0x1 + mul r1, r10, r0 + bic r1, r1, 0xFF0000 + add r6, r1, r6, ror 8 + mul r1, r11, r0 + bic r1, r1, 0xFF0000 + add r7, r1, r7, ror 8 + subs r2, r2, 0x1 + beq _081DD164 +_081DD118: + adds r5, r5, 0x40000000 + bcc _081DD0F4 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + subs r8, r8, 0x4 + bgt _081DD07C + b _081DD22C +_081DD134: + ldr r0, [sp, 0x18] + cmp r0, 0 + beq _081DD158 + ldr r3, [sp, 0x14] + rsb lr, r2, 0 +_081DD148: + adds r2, r0, r2 + bgt _081DD1FC + sub lr, lr, r0 + b _081DD148 +_081DD158: + pop {r4,r12} + mov r2, 0 + b _081DD174 +_081DD164: + ldr r2, [sp, 0x10] + cmp r2, 0 + ldrne r3, [sp, 0xC] + bne _081DD118 +_081DD174: + strb r2, [r4, o_SoundChannel_status] + mov r0, r5, lsr 30 + bic r5, r5, 0xC0000000 + rsb r0, r0, 0x3 + mov r0, r0, lsl 3 + mov r6, r6, ror r0 + mov r7, r7, ror r0 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + b _081DD234 +_081DD19C: + push {r4,r12} + ldr r1, [r4, o_SoundChannel_freq] + mul r4, r12, r1 + ldrsb r0, [r3] + ldrsb r1, [r3, 0x1]! + sub r1, r1, r0 +_081DD1B4: + ldr r6, [r5] + ldr r7, [r5, 0x630] +_081DD1BC: + mul lr, r9, r1 + add lr, r0, lr, asr 23 + mul r12, r10, lr + bic r12, r12, 0xFF0000 + add r6, r12, r6, ror 8 + mul r12, r11, lr + bic r12, r12, 0xFF0000 + add r7, r12, r7, ror 8 + add r9, r9, r4 + movs lr, r9, lsr 23 + beq _081DD208 + bic r9, r9, 0x3F800000 + subs r2, r2, lr + ble _081DD134 + subs lr, lr, 0x1 + addeq r0, r0, r1 +_081DD1FC: + ldrsbne r0, [r3, lr]! + ldrsb r1, [r3, 0x1]! + sub r1, r1, r0 +_081DD208: + adds r5, r5, 0x40000000 + bcc _081DD1BC + str r7, [r5, 0x630] + str r6, [r5], 0x4 + subs r8, r8, 0x4 + bgt _081DD1B4 + sub r3, r3, 0x1 + pop {r4,r12} +_081DD228: + str r9, [r4, o_SoundChannel_fw] +_081DD22C: + str r2, [r4, o_SoundChannel_ct] + str r3, [r4, o_SoundChannel_cp] +_081DD234: + ldr r8, [sp] + add r0, pc, 0x1 + bx r0 + .thumb +_081DD240: + ldr r0, [sp, 0x4] + subs r0, 1 + ble _081DD24A + adds r4, SoundChannel_size + b SoundMainRAM_ChanLoop +_081DD24A: + ldr r0, [sp, 0x18] + ldr r3, =ID_NUMBER + str r3, [r0] + add sp, 0x1C + pop {r0-r7} + mov r8, r0 + mov r9, r1 + mov r10, r2 + mov r11, r3 + pop {r3} +_081DD25E: + bx r3 + .pool + thumb_func_end SoundMainRAM + + arm_func_start sub_81DD264 +sub_81DD264: + ldr r6, [r4, o_SoundChannel_wav] + ldrb r0, [r4, o_SoundChannel_status] + tst r0, 0x20 + bne _081DD2B4 + orr r0, r0, 0x20 + strb r0, [r4, o_SoundChannel_status] + ldrb r0, [r4, o_SoundChannel_type] + tst r0, 0x10 + beq _081DD29C + ldr r1, [r6, 0xC] + add r1, r1, r6, lsl 1 + add r1, r1, 0x20 + sub r3, r1, r3 + str r3, [r4, o_SoundChannel_cp] +_081DD29C: + ldrh r0, [r6] + cmp r0, 0 + beq _081DD2B4 + sub r3, r3, r6 + sub r3, r3, 0x10 + str r3, [r4, o_SoundChannel_cp] +_081DD2B4: + push {r8,r12,lr} + mov r10, r10, lsl 16 + mov r11, r11, lsl 16 + ldr r1, [r4, o_SoundChannel_freq] + ldrb r0, [r4, o_SoundChannel_type] + tst r0, 0x8 + movne r8, 0x800000 + muleq r8, r12, r1 + ldrh r0, [r6] + cmp r0, 0 + beq _081DD468 + mov r0, 0xFF000000 + str r0, [r4, o_SoundChannel_xpi] + ldrb r0, [r4, o_SoundChannel_type] + tst r0, 0x10 + bne _081DD3C0 + bl sub_81DD520 + mov r0, r1 + add r3, r3, 0x1 + bl sub_81DD520 + sub r1, r1, r0 +_081DD308: + ldr r6, [r5] + ldr r7, [r5, 0x630] +_081DD310: + mul lr, r9, r1 + add lr, r0, lr, asr 23 + mul r12, r10, lr + bic r12, r12, 0xFF0000 + add r6, r12, r6, ror 8 + mul r12, r11, lr + bic r12, r12, 0xFF0000 + add r7, r12, r7, ror 8 + add r9, r9, r8 + movs lr, r9, lsr 23 + beq _081DD370 + bic r9, r9, 0x3F800000 + subs r2, r2, lr + ble _081DD398 + subs lr, lr, 0x1 + bne _081DD358 + add r0, r0, r1 + b _081DD364 +_081DD358: + add r3, r3, lr + bl sub_81DD520 + mov r0, r1 +_081DD364: + add r3, r3, 0x1 + bl sub_81DD520 + sub r1, r1, r0 +_081DD370: + adds r5, r5, 0x40000000 + bcc _081DD310 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + ldr r6, [sp] + subs r6, r6, 0x4 + str r6, [sp] + bgt _081DD308 + sub r3, r3, 0x1 + b _081DD4F0 +_081DD398: + ldr r0, [sp, 0x1C] + cmp r0, 0 + beq _081DD4F4 + ldr r3, [r4, o_SoundChannel_wav] + ldr r3, [r3, 0x8] + rsb lr, r2, 0 +_081DD3B0: + adds r2, r2, r0 + bgt _081DD358 + sub lr, lr, r0 + b _081DD3B0 +_081DD3C0: + sub r3, r3, 0x1 + bl sub_81DD520 + mov r0, r1 + sub r3, r3, 0x1 + bl sub_81DD520 + sub r1, r1, r0 +_081DD3D8: + ldr r6, [r5] + ldr r7, [r5, 0x630] +_081DD3E0: + mul lr, r9, r1 + add lr, r0, lr, asr 23 + mul r12, r10, lr + bic r12, r12, 0xFF0000 + add r6, r12, r6, ror 8 + mul r12, r11, lr + bic r12, r12, 0xFF0000 + add r7, r12, r7, ror 8 + add r9, r9, r8 + movs lr, r9, lsr 23 + beq _081DD440 + bic r9, r9, 0x3F800000 + subs r2, r2, lr + ble _081DD4F4 + subs lr, lr, 0x1 + bne _081DD428 + add r0, r0, r1 + b _081DD434 +_081DD428: + sub r3, r3, lr + bl sub_81DD520 + mov r0, r1 +_081DD434: + sub r3, r3, 0x1 + bl sub_81DD520 + sub r1, r1, r0 +_081DD440: + adds r5, r5, 0x40000000 + bcc _081DD3E0 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + ldr r6, [sp] + subs r6, r6, 0x4 + str r6, [sp] + bgt _081DD3D8 + add r3, r3, 0x2 + b _081DD4F0 +_081DD468: + ldrb r0, [r4, o_SoundChannel_type] + tst r0, 0x10 + beq _081DD4F0 + ldrsb r0, [r3, -0x1]! + ldrsb r1, [r3, -0x1] + sub r1, r1, r0 +_081DD480: + ldr r6, [r5] + ldr r7, [r5, 0x630] +_081DD488: + mul lr, r9, r1 + add lr, r0, lr, asr 23 + mul r12, r10, lr + bic r12, r12, 0xFF0000 + add r6, r12, r6, ror 8 + mul r12, r11, lr + bic r12, r12, 0xFF0000 + add r7, r12, r7, ror 8 + add r9, r9, r8 + movs lr, r9, lsr 23 + beq _081DD4CC + bic r9, r9, 0x3F800000 + subs r2, r2, lr + ble _081DD4F4 + ldrsb r0, [r3, -lr]! + ldrsb r1, [r3, -0x1] + sub r1, r1, r0 +_081DD4CC: + adds r5, r5, 0x40000000 + bcc _081DD488 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + ldr r6, [sp] + subs r6, r6, 0x4 + str r6, [sp] + bgt _081DD480 + add r3, r3, 0x1 +_081DD4F0: + pop {r8,r12,pc} +_081DD4F4: + mov r2, 0 + strb r2, [r4, o_SoundChannel_status] + mov r0, r5, lsr 30 + bic r5, r5, 0xC0000000 + rsb r0, r0, 0x3 + mov r0, r0, lsl 3 + mov r6, r6, ror r0 + mov r7, r7, ror r0 + str r7, [r5, 0x630] + str r6, [r5], 0x4 + pop {r8,r12,pc} + arm_func_end sub_81DD264 + + arm_func_start sub_81DD520 +sub_81DD520: + push {r0,r2,r5-r7,lr} + mov r0, r3, lsr 6 + ldr r1, [r4, o_SoundChannel_xpi] + cmp r0, r1 + beq _081DD594 + str r0, [r4, o_SoundChannel_xpi] + mov r1, 0x21 + mul r2, r1, r0 + ldr r1, [r4, o_SoundChannel_wav] + add r2, r2, r1 + add r2, r2, 0x10 + ldr r5, =gUnknown_030007B8 + ldr r6, =gDeltaEncodingTable + mov r7, 0x40 + ldrb lr, [r2], 1 + strb lr, [r5], 1 + ldrb r1, [r2], 1 + b _081DD57C +_081DD568: + ldrb r1, [r2], 1 + mov r0, r1, lsr 4 + ldrsb r0, [r6, r0] + add lr, lr, r0 + strb lr, [r5], 1 +_081DD57C: + and r0, r1, 0xF + ldrsb r0, [r6, r0] + add lr, lr, r0 + strb lr, [r5], 1 + subs r7, r7, 2 + bgt _081DD568 +_081DD594: + ldr r5, =gUnknown_030007B8 + and r0, r3, 0x3F + ldrsb r1, [r5, r0] + pop {r0,r2,r5-r7,pc} + .pool + arm_func_end sub_81DD520 + + thumb_func_start SoundMainBTM +SoundMainBTM: + mov r12, r4 + movs r1, 0 + movs r2, 0 + movs r3, 0 + movs r4, 0 + stm r0!, {r1-r4} + stm r0!, {r1-r4} + stm r0!, {r1-r4} + stm r0!, {r1-r4} + mov r4, r12 + bx lr + thumb_func_end SoundMainBTM + + thumb_func_start RealClearChain +RealClearChain: + ldr r3, [r0, 0x2C] + cmp r3, 0 + beq _081DD5E2 + ldr r1, [r0, 0x34] + ldr r2, [r0, 0x30] + cmp r2, 0 + beq _081DD5D6 + str r1, [r2, 0x34] + b _081DD5D8 +_081DD5D6: + str r1, [r3, 0x20] +_081DD5D8: + cmp r1, 0 + beq _081DD5DE + str r2, [r1, 0x30] +_081DD5DE: + movs r1, 0 + str r1, [r0, 0x2C] +_081DD5E2: + bx lr + thumb_func_end RealClearChain + + thumb_func_start ply_fine +ply_fine: + push {r4,r5,lr} + adds r5, r1, 0 + ldr r4, [r5, o_MusicPlayerTrack_chan] + cmp r4, 0 + beq ply_fine_done +ply_fine_loop: + ldrb r1, [r4] + movs r0, 0xC7 + tst r0, r1 + beq ply_fine_ok + movs r0, 0x40 + orrs r1, r0 + strb r1, [r4] +ply_fine_ok: + adds r0, r4, 0 + bl RealClearChain + ldr r4, [r4, 0x34] + cmp r4, 0 + bne ply_fine_loop +ply_fine_done: + movs r0, 0 + strb r0, [r5] + pop {r4,r5} + pop {r0} + bx r0 + thumb_func_end ply_fine + + thumb_func_start MPlayJumpTableCopy +MPlayJumpTableCopy: + mov r12, lr + movs r1, 0x24 + ldr r2, lt_MPlayJumpTableTemplate +MPlayJumpTableCopy_Loop: + ldr r3, [r2] + bl chk_adr_r2 + stm r0!, {r3} + adds r2, 0x4 + subs r1, 0x1 + bgt MPlayJumpTableCopy_Loop + bx r12 + thumb_func_end MPlayJumpTableCopy + + .align 2, 0 + .thumb_func +ldrb_r3_r2: + ldrb r3, [r2] + +@ This attempts to protect against reading anything from the BIOS ROM +@ besides the jump table template. +@ It assumes that the jump table template is located at the end of the ROM. + .thumb_func +chk_adr_r2: + push {r0} + lsrs r0, r2, 25 + bne chk_adr_r2_done @ if adr >= 0x2000000 (i.e. not in BIOS ROM), accept it + ldr r0, lt_MPlayJumpTableTemplate + cmp r2, r0 + blo chk_adr_r2_reject @ if adr < gMPlayJumpTableTemplate, reject it + lsrs r0, r2, 14 + beq chk_adr_r2_done @ if adr < 0x40000 (i.e. in BIOS ROM), accept it +chk_adr_r2_reject: + movs r3, 0 +chk_adr_r2_done: + pop {r0} + bx lr + + .align 2, 0 +lt_MPlayJumpTableTemplate: .word gMPlayJumpTableTemplate + + thumb_func_start ld_r3_tp_adr_i +ld_r3_tp_adr_i: + ldr r2, [r1, 0x40] +_081DD64A: + adds r3, r2, 0x1 + str r3, [r1, 0x40] + ldrb r3, [r2] + b chk_adr_r2 + thumb_func_end ld_r3_tp_adr_i + + thumb_func_start ply_goto +ply_goto: + push {lr} +ply_goto_1: + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + ldrb r0, [r2, 0x3] + lsls r0, 8 + ldrb r3, [r2, 0x2] + orrs r0, r3 + lsls r0, 8 + ldrb r3, [r2, 0x1] + orrs r0, r3 + lsls r0, 8 + bl ldrb_r3_r2 + orrs r0, r3 + str r0, [r1, o_MusicPlayerTrack_cmdPtr] + pop {r0} + bx r0 + thumb_func_end ply_goto + + thumb_func_start ply_patt +ply_patt: + ldrb r2, [r1, o_MusicPlayerTrack_patternLevel] + cmp r2, 3 + bhs ply_patt_done + lsls r2, 2 + adds r3, r1, r2 + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + adds r2, 0x4 + str r2, [r3, o_MusicPlayerTrack_patternStack] + ldrb r2, [r1, o_MusicPlayerTrack_patternLevel] + adds r2, 1 + strb r2, [r1, o_MusicPlayerTrack_patternLevel] + b ply_goto +ply_patt_done: + b ply_fine + thumb_func_end ply_patt + + thumb_func_start ply_pend +ply_pend: + ldrb r2, [r1, o_MusicPlayerTrack_patternLevel] + cmp r2, 0 + beq ply_pend_done + subs r2, 1 + strb r2, [r1, o_MusicPlayerTrack_patternLevel] + lsls r2, 2 + adds r3, r1, r2 + ldr r2, [r3, o_MusicPlayerTrack_patternStack] + str r2, [r1, o_MusicPlayerTrack_cmdPtr] +ply_pend_done: + bx lr + thumb_func_end ply_pend + + thumb_func_start ply_rept +ply_rept: + push {lr} + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + ldrb r3, [r2] + cmp r3, 0 + bne ply_rept_1 + adds r2, 1 + str r2, [r1, o_MusicPlayerTrack_cmdPtr] + b ply_goto_1 +ply_rept_1: + ldrb r3, [r1, o_MusicPlayerTrack_repN] + adds r3, 1 + strb r3, [r1, o_MusicPlayerTrack_repN] + mov r12, r3 + bl ld_r3_tp_adr_i + cmp r12, r3 + bhs ply_rept_2 + b ply_goto_1 +ply_rept_2: + movs r3, 0 + strb r3, [r1, o_MusicPlayerTrack_repN] + adds r2, 5 + str r2, [r1, o_MusicPlayerTrack_cmdPtr] + pop {r0} + bx r0 + thumb_func_end ply_rept + + thumb_func_start ply_prio +ply_prio: + mov r12, lr + bl ld_r3_tp_adr_i + strb r3, [r1, o_MusicPlayerTrack_priority] + bx r12 + thumb_func_end ply_prio + + thumb_func_start ply_tempo +ply_tempo: + mov r12, lr + bl ld_r3_tp_adr_i + lsls r3, 1 + strh r3, [r0, o_MusicPlayerInfo_tempoD] + ldrh r2, [r0, o_MusicPlayerInfo_tempoU] + muls r3, r2 + lsrs r3, 8 + strh r3, [r0, o_MusicPlayerInfo_tempoI] + bx r12 + thumb_func_end ply_tempo + + thumb_func_start ply_keysh +ply_keysh: + mov r12, lr + bl ld_r3_tp_adr_i + strb r3, [r1, o_MusicPlayerTrack_keyShift] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0xC + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx r12 + thumb_func_end ply_keysh + + thumb_func_start ply_voice +ply_voice: + mov r12, lr + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + ldrb r3, [r2] + adds r2, 1 + str r2, [r1, o_MusicPlayerTrack_cmdPtr] + lsls r2, r3, 1 + adds r2, r3 + lsls r2, 2 + ldr r3, [r0, o_MusicPlayerInfo_tone] + adds r2, r3 + ldr r3, [r2] + bl chk_adr_r2 + str r3, [r1, o_MusicPlayerTrack_ToneData_type] + ldr r3, [r2, 0x4] + bl chk_adr_r2 + str r3, [r1, o_MusicPlayerTrack_ToneData_wav] + ldr r3, [r2, 0x8] + bl chk_adr_r2 + str r3, [r1, o_MusicPlayerTrack_ToneData_attack] + bx r12 + thumb_func_end ply_voice + + thumb_func_start ply_vol +ply_vol: + mov r12, lr + bl ld_r3_tp_adr_i + strb r3, [r1, o_MusicPlayerTrack_vol] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0x3 + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx r12 + thumb_func_end ply_vol + + thumb_func_start ply_pan +ply_pan: + mov r12, lr + bl ld_r3_tp_adr_i + subs r3, 0x40 + strb r3, [r1, o_MusicPlayerTrack_pan] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0x3 + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx r12 + thumb_func_end ply_pan + + thumb_func_start ply_bend +ply_bend: + mov r12, lr + bl ld_r3_tp_adr_i + subs r3, 0x40 + strb r3, [r1, o_MusicPlayerTrack_bend] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0xC + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx r12 + thumb_func_end ply_bend + + thumb_func_start ply_bendr +ply_bendr: + mov r12, lr + bl ld_r3_tp_adr_i + strb r3, [r1, o_MusicPlayerTrack_bendRange] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0xC + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx r12 + thumb_func_end ply_bendr + + thumb_func_start ply_lfodl +ply_lfodl: + mov r12, lr + bl ld_r3_tp_adr_i + strb r3, [r1, o_MusicPlayerTrack_lfoDelay] + bx r12 + thumb_func_end ply_lfodl + + thumb_func_start ply_modt +ply_modt: + mov r12, lr + bl ld_r3_tp_adr_i + ldrb r0, [r1, o_MusicPlayerTrack_modT] + cmp r0, r3 + beq _081DD7AA + strb r3, [r1, o_MusicPlayerTrack_modT] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0xF + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] +_081DD7AA: + bx r12 + thumb_func_end ply_modt + + thumb_func_start ply_tune +ply_tune: + mov r12, lr + bl ld_r3_tp_adr_i + subs r3, 0x40 + strb r3, [r1, o_MusicPlayerTrack_tune] + ldrb r3, [r1, o_MusicPlayerTrack_flags] + movs r2, 0xC + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx r12 + thumb_func_end ply_tune + + thumb_func_start ply_port +ply_port: + mov r12, lr + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + ldrb r3, [r2] + adds r2, 1 + ldr r0, =REG_SOUND1CNT_L @ sound register base address + adds r0, r3 + bl _081DD64A + strb r3, [r0] + bx r12 + .pool + thumb_func_end ply_port + + thumb_func_start m4aSoundVSync +m4aSoundVSync: + ldr r0, lt2_SOUND_INFO_PTR + ldr r0, [r0] + + @ Exit the function if ident is not ID_NUMBER or ID_NUMBER+1. + ldr r2, lt2_ID_NUMBER + ldr r3, [r0, o_SoundInfo_ident] + subs r3, r2 + cmp r3, 1 + bhi m4aSoundVSync_Done + + @ Decrement the PCM DMA counter. If it reaches 0, we need to do a DMA. + ldrb r1, [r0, o_SoundInfo_pcmDmaCounter] + subs r1, 1 + strb r1, [r0, o_SoundInfo_pcmDmaCounter] + bgt m4aSoundVSync_Done + + @ Reload the PCM DMA counter. + ldrb r1, [r0, o_SoundInfo_pcmDmaPeriod] + strb r1, [r0, o_SoundInfo_pcmDmaCounter] + + ldr r2, =REG_DMA1 + + ldr r1, [r2, 0x8] @ DMA1CNT + lsls r1, 7 + bcc m4aSoundVSync_SkipDMA1 @ branch if repeat bit isn't set + + ldr r1, =((DMA_ENABLE | DMA_START_NOW | DMA_32BIT | DMA_SRC_INC | DMA_DEST_FIXED) << 16) | 4 + str r1, [r2, 0x8] @ DMA1CNT + +m4aSoundVSync_SkipDMA1: + ldr r1, [r2, 0xC + 0x8] @ DMA2CNT + lsls r1, 7 + bcc m4aSoundVSync_SkipDMA2 @ branch if repeat bit isn't set + + ldr r1, =((DMA_ENABLE | DMA_START_NOW | DMA_32BIT | DMA_SRC_INC | DMA_DEST_FIXED) << 16) | 4 + str r1, [r2, 0xC + 0x8] @ DMA2CNT + +m4aSoundVSync_SkipDMA2: + + @ turn off DMA1/DMA2 + movs r1, DMA_32BIT >> 8 + lsls r1, 8 + strh r1, [r2, 0xA] @ DMA1CNT_H + strh r1, [r2, 0xC + 0xA] @ DMA2CNT_H + + @ turn on DMA1/DMA2 direct-sound FIFO mode + movs r1, (DMA_ENABLE | DMA_START_SPECIAL | DMA_32BIT | DMA_REPEAT) >> 8 + lsls r1, 8 @ LSB is 0, so DMA_SRC_INC is used (destination is always fixed in FIFO mode) + strh r1, [r2, 0xA] @ DMA1CNT_H + strh r1, [r2, 0xC + 0xA] @ DMA2CNT_H + +m4aSoundVSync_Done: + bx lr + + .pool + thumb_func_end m4aSoundVSync + + thumb_func_start MPlayMain +MPlayMain: + ldr r2, lt2_ID_NUMBER + ldr r3, [r0, o_MusicPlayerInfo_ident] + cmp r2, r3 + beq _081DD82E + bx lr +_081DD82E: + adds r3, 0x1 + str r3, [r0, o_MusicPlayerInfo_ident] + push {r0,lr} + ldr r3, [r0, o_MusicPlayerInfo_func] + cmp r3, 0 + beq _081DD840 + ldr r0, [r0, o_MusicPlayerInfo_intp] + bl call_r3 +_081DD840: + pop {r0} + push {r4-r7} + mov r4, r8 + mov r5, r9 + mov r6, r10 + mov r7, r11 + push {r4-r7} + adds r7, r0, 0 + ldr r0, [r7, o_MusicPlayerInfo_status] + cmp r0, 0 + bge _081DD858 + b _081DDA6C +_081DD858: + ldr r0, lt2_SOUND_INFO_PTR + ldr r0, [r0] + mov r8, r0 + adds r0, r7, 0 + bl FadeOutBody + ldr r0, [r7, o_MusicPlayerInfo_status] + cmp r0, 0 + bge _081DD86C + b _081DDA6C +_081DD86C: + ldrh r0, [r7, o_MusicPlayerInfo_tempoC] + ldrh r1, [r7, o_MusicPlayerInfo_tempoI] + adds r0, r1 + b _081DD9BC +_081DD874: + ldrb r6, [r7, o_MusicPlayerInfo_trackCount] + ldr r5, [r7, o_MusicPlayerInfo_tracks] + movs r3, 0x1 + movs r4, 0 +_081DD87C: + ldrb r0, [r5] + movs r1, 0x80 + tst r1, r0 + bne _081DD886 + b _081DD998 +_081DD886: + mov r10, r3 + orrs r4, r3 + mov r11, r4 + ldr r4, [r5, o_MusicPlayerTrack_chan] + cmp r4, 0 + beq _081DD8BA +_081DD892: + ldrb r1, [r4] + movs r0, 0xC7 + tst r0, r1 + beq _081DD8AE + ldrb r0, [r4, 0x10] + cmp r0, 0 + beq _081DD8B4 + subs r0, 0x1 + strb r0, [r4, 0x10] + bne _081DD8B4 + movs r0, 0x40 + orrs r1, r0 + strb r1, [r4] + b _081DD8B4 +_081DD8AE: + adds r0, r4, 0 + bl ClearChain +_081DD8B4: + ldr r4, [r4, 0x34] + cmp r4, 0 + bne _081DD892 +_081DD8BA: + ldrb r3, [r5, o_MusicPlayerTrack_flags] + movs r0, 0x40 + tst r0, r3 + beq _081DD938 + adds r0, r5, 0 + bl Clear64byte + movs r0, 0x80 + strb r0, [r5] + movs r0, 0x2 + strb r0, [r5, o_MusicPlayerTrack_bendRange] + movs r0, 0x40 + strb r0, [r5, o_MusicPlayerTrack_volX] + movs r0, 0x16 + strb r0, [r5, o_MusicPlayerTrack_lfoSpeed] + movs r0, 0x1 + adds r1, r5, 0x6 + strb r0, [r1, o_MusicPlayerTrack_ToneData_type - 0x6] + b _081DD938 +_081DD8E0: + ldr r2, [r5, o_MusicPlayerTrack_cmdPtr] + ldrb r1, [r2] + cmp r1, 0x80 + bhs _081DD8EC + ldrb r1, [r5, o_MusicPlayerTrack_runningStatus] + b _081DD8F6 +_081DD8EC: + adds r2, 0x1 + str r2, [r5, o_MusicPlayerTrack_cmdPtr] + cmp r1, 0xBD + bcc _081DD8F6 + strb r1, [r5, o_MusicPlayerTrack_runningStatus] +_081DD8F6: + cmp r1, 0xCF + bcc _081DD90C + mov r0, r8 + ldr r3, [r0, o_SoundInfo_plynote] + adds r0, r1, 0 + subs r0, 0xCF + adds r1, r7, 0 + adds r2, r5, 0 + bl call_r3 + b _081DD938 +_081DD90C: + cmp r1, 0xB0 + bls _081DD92E + adds r0, r1, 0 + subs r0, 0xB1 + strb r0, [r7, o_MusicPlayerInfo_cmd] + mov r3, r8 + ldr r3, [r3, o_SoundInfo_MPlayJumpTable] + lsls r0, 2 + ldr r3, [r3, r0] + adds r0, r7, 0 + adds r1, r5, 0 + bl call_r3 + ldrb r0, [r5, o_MusicPlayerTrack_flags] + cmp r0, 0 + beq _081DD994 + b _081DD938 +_081DD92E: + ldr r0, lt_gClockTable + subs r1, 0x80 + adds r1, r0 + ldrb r0, [r1] + strb r0, [r5, o_MusicPlayerTrack_wait] +_081DD938: + ldrb r0, [r5, o_MusicPlayerTrack_wait] + cmp r0, 0 + beq _081DD8E0 + subs r0, 0x1 + strb r0, [r5, o_MusicPlayerTrack_wait] + ldrb r1, [r5, o_MusicPlayerTrack_lfoSpeed] + cmp r1, 0 + beq _081DD994 + ldrb r0, [r5, o_MusicPlayerTrack_mod] + cmp r0, 0 + beq _081DD994 + ldrb r0, [r5, o_MusicPlayerTrack_lfoDelayC] + cmp r0, 0 + beq _081DD95A + subs r0, 0x1 + strb r0, [r5, o_MusicPlayerTrack_lfoDelayC] + b _081DD994 +_081DD95A: + ldrb r0, [r5, o_MusicPlayerTrack_lfoSpeedC] + adds r0, r1 + strb r0, [r5, o_MusicPlayerTrack_lfoSpeedC] + adds r1, r0, 0 + subs r0, 0x40 + lsls r0, 24 + bpl _081DD96E + lsls r2, r1, 24 + asrs r2, 24 + b _081DD972 +_081DD96E: + movs r0, 0x80 + subs r2, r0, r1 +_081DD972: + ldrb r0, [r5, o_MusicPlayerTrack_mod] + muls r0, r2 + asrs r2, r0, 6 + ldrb r0, [r5, o_MusicPlayerTrack_modM] + eors r0, r2 + lsls r0, 24 + beq _081DD994 + strb r2, [r5, o_MusicPlayerTrack_modM] + ldrb r0, [r5] + ldrb r1, [r5, o_MusicPlayerTrack_modT] + cmp r1, 0 + bne _081DD98E + movs r1, 0xC + b _081DD990 +_081DD98E: + movs r1, 0x3 +_081DD990: + orrs r0, r1 + strb r0, [r5, o_MusicPlayerTrack_flags] +_081DD994: + mov r3, r10 + mov r4, r11 +_081DD998: + subs r6, 0x1 + ble _081DD9A4 + movs r0, 0x50 + adds r5, r0 + lsls r3, 1 + b _081DD87C +_081DD9A4: + ldr r0, [r7, o_MusicPlayerInfo_clock] + adds r0, 0x1 + str r0, [r7, o_MusicPlayerInfo_clock] + cmp r4, 0 + bne _081DD9B6 + movs r0, 0x80 + lsls r0, 24 + str r0, [r7, o_MusicPlayerInfo_status] + b _081DDA6C +_081DD9B6: + str r4, [r7, o_MusicPlayerInfo_status] + ldrh r0, [r7, o_MusicPlayerInfo_tempoC] + subs r0, 0x96 +_081DD9BC: + strh r0, [r7, o_MusicPlayerInfo_tempoC] + cmp r0, 0x96 + bcc _081DD9C4 + b _081DD874 +_081DD9C4: + ldrb r2, [r7, o_MusicPlayerInfo_trackCount] + ldr r5, [r7, o_MusicPlayerInfo_tracks] +_081DD9C8: + ldrb r0, [r5, o_MusicPlayerTrack_flags] + movs r1, 0x80 + tst r1, r0 + beq _081DDA62 + movs r1, 0xF + tst r1, r0 + beq _081DDA62 + mov r9, r2 + adds r0, r7, 0 + adds r1, r5, 0 + bl TrkVolPitSet + ldr r4, [r5, o_MusicPlayerTrack_chan] + cmp r4, 0 + beq _081DDA58 +_081DD9E6: + ldrb r1, [r4, o_SoundChannel_status] + movs r0, 0xC7 + tst r0, r1 + bne _081DD9F6 + adds r0, r4, 0 + bl ClearChain + b _081DDA52 +_081DD9F6: + ldrb r0, [r4, o_SoundChannel_type] + movs r6, 0x7 + ands r6, r0 + ldrb r3, [r5, o_MusicPlayerTrack_flags] + movs r0, 0x3 + tst r0, r3 + beq _081DDA14 + bl ChnVolSetAsm + cmp r6, 0 + beq _081DDA14 + ldrb r0, [r4, o_CgbChannel_mo] + movs r1, 0x1 + orrs r0, r1 + strb r0, [r4, o_CgbChannel_mo] +_081DDA14: + ldrb r3, [r5, o_MusicPlayerTrack_flags] + movs r0, 0xC + tst r0, r3 + beq _081DDA52 + ldrb r1, [r4, o_SoundChannel_ky] + movs r0, 0x8 + ldrsb r0, [r5, r0] + adds r2, r1, r0 + bpl _081DDA28 + movs r2, 0 +_081DDA28: + cmp r6, 0 + beq _081DDA46 + mov r0, r8 + ldr r3, [r0, o_SoundInfo_MidiKeyToCgbFreq] + adds r1, r2, 0 + ldrb r2, [r5, o_MusicPlayerTrack_pitM] + adds r0, r6, 0 + bl call_r3 + str r0, [r4, o_CgbChannel_fr] + ldrb r0, [r4, o_CgbChannel_mo] + movs r1, 0x2 + orrs r0, r1 + strb r0, [r4, o_CgbChannel_mo] + b _081DDA52 +_081DDA46: + adds r1, r2, 0 + ldrb r2, [r5, o_MusicPlayerTrack_pitM] + ldr r0, [r4, o_SoundChannel_wav] + bl MidiKeyToFreq + str r0, [r4, o_SoundChannel_freq] +_081DDA52: + ldr r4, [r4, o_SoundChannel_np] + cmp r4, 0 + bne _081DD9E6 +_081DDA58: + ldrb r0, [r5, o_MusicPlayerTrack_flags] + movs r1, 0xF0 + ands r0, r1 + strb r0, [r5, o_MusicPlayerTrack_flags] + mov r2, r9 +_081DDA62: + subs r2, 0x1 + ble _081DDA6C + movs r0, 0x50 + adds r5, r0 + bgt _081DD9C8 +_081DDA6C: + ldr r0, lt2_ID_NUMBER + str r0, [r7, o_MusicPlayerInfo_ident] + pop {r0-r7} + mov r8, r0 + mov r9, r1 + mov r10, r2 + mov r11, r3 + pop {r3} + +call_r3: + bx r3 + + .align 2, 0 +lt_gClockTable: .word gClockTable +lt2_SOUND_INFO_PTR: .word SOUND_INFO_PTR +lt2_ID_NUMBER: .word ID_NUMBER + thumb_func_end MPlayMain + + thumb_func_start TrackStop +TrackStop: + push {r4-r6,lr} + adds r5, r1, 0 + ldrb r1, [r5, o_MusicPlayerTrack_flags] + movs r0, 0x80 + tst r0, r1 + beq TrackStop_Done + ldr r4, [r5, o_MusicPlayerTrack_chan] + cmp r4, 0 + beq TrackStop_3 + movs r6, 0 +TrackStop_Loop: + ldrb r0, [r4, o_SoundChannel_status] + cmp r0, 0 + beq TrackStop_2 + ldrb r0, [r4, o_SoundChannel_type] + movs r3, 0x7 + ands r0, r3 + beq TrackStop_1 + ldr r3, =SOUND_INFO_PTR + ldr r3, [r3] + ldr r3, [r3, o_SoundInfo_CgbOscOff] + bl call_r3 +TrackStop_1: + strb r6, [r4, o_SoundChannel_status] +TrackStop_2: + str r6, [r4, o_SoundChannel_track] + ldr r4, [r4, o_SoundChannel_np] + cmp r4, 0 + bne TrackStop_Loop +TrackStop_3: + str r4, [r5, o_MusicPlayerTrack_chan] +TrackStop_Done: + pop {r4-r6} + pop {r0} + bx r0 + .pool + thumb_func_end TrackStop + + thumb_func_start ChnVolSetAsm +ChnVolSetAsm: + ldrb r1, [r4, 0x12] + movs r0, 0x14 + ldrsb r2, [r4, r0] + movs r3, 0x80 + adds r3, r2 + muls r3, r1 + ldrb r0, [r5, 0x10] + muls r0, r3 + asrs r0, 14 + cmp r0, 0xFF + bls _081DDAE8 + movs r0, 0xFF +_081DDAE8: + strb r0, [r4, 0x2] + movs r3, 0x7F + subs r3, r2 + muls r3, r1 + ldrb r0, [r5, 0x11] + muls r0, r3 + asrs r0, 14 + cmp r0, 0xFF + bls _081DDAFC + movs r0, 0xFF +_081DDAFC: + strb r0, [r4, 0x3] + bx lr + thumb_func_end ChnVolSetAsm + + thumb_func_start ply_note +ply_note: + push {r4-r7,lr} + mov r4, r8 + mov r5, r9 + mov r6, r10 + mov r7, r11 + push {r4-r7} + sub sp, 0x18 + str r1, [sp] + adds r5, r2, 0 + ldr r1, =SOUND_INFO_PTR + ldr r1, [r1] + str r1, [sp, 0x4] + ldr r1, =gClockTable + adds r0, r1 + ldrb r0, [r0] + strb r0, [r5, o_MusicPlayerTrack_gateTime] + ldr r3, [r5, o_MusicPlayerTrack_cmdPtr] + ldrb r0, [r3] + cmp r0, 0x80 + bhs _081DDB46 + strb r0, [r5, o_MusicPlayerTrack_key] + adds r3, 0x1 + ldrb r0, [r3] + cmp r0, 0x80 + bhs _081DDB44 + strb r0, [r5, o_MusicPlayerTrack_velocity] + adds r3, 0x1 + ldrb r0, [r3] + cmp r0, 0x80 + bhs _081DDB44 + ldrb r1, [r5, o_MusicPlayerTrack_gateTime] + adds r1, r0 + strb r1, [r5, o_MusicPlayerTrack_gateTime] + adds r3, 0x1 +_081DDB44: + str r3, [r5, o_MusicPlayerTrack_cmdPtr] +_081DDB46: + movs r0, 0 + str r0, [sp, 0x14] + adds r4, r5, 0 + adds r4, o_MusicPlayerTrack_ToneData_type + ldrb r2, [r4] + movs r0, TONEDATA_TYPE_RHY | TONEDATA_TYPE_SPL + tst r0, r2 + beq _081DDB98 + ldrb r3, [r5, o_MusicPlayerTrack_key] + movs r0, TONEDATA_TYPE_SPL + tst r0, r2 + beq _081DDB66 + ldr r1, [r5, o_MusicPlayerTrack_ToneData_keySplitTable] + adds r1, r3 + ldrb r0, [r1] + b _081DDB68 +_081DDB66: + adds r0, r3, 0 +_081DDB68: + lsls r1, r0, 1 + adds r1, r0 + lsls r1, 2 + ldr r0, [r5, o_MusicPlayerTrack_ToneData_wav] + adds r1, r0 + mov r9, r1 + mov r6, r9 + ldrb r1, [r6] + movs r0, 0xC0 + tst r0, r1 + beq _081DDB80 + b _081DDCEA +_081DDB80: + movs r0, 0x80 + tst r0, r2 + beq _081DDB9C + ldrb r1, [r6, 0x3] + movs r0, 0x80 + tst r0, r1 + beq _081DDB94 + subs r1, 0xC0 + lsls r1, 1 + str r1, [sp, 0x14] +_081DDB94: + ldrb r3, [r6, 0x1] + b _081DDB9C +_081DDB98: + mov r9, r4 + ldrb r3, [r5, 0x5] +_081DDB9C: + str r3, [sp, 0x8] + ldr r6, [sp] + ldrb r1, [r6, 0x9] + ldrb r0, [r5, 0x1D] + adds r0, r1 + cmp r0, 0xFF + bls _081DDBAC + movs r0, 0xFF +_081DDBAC: + str r0, [sp, 0x10] + mov r6, r9 + ldrb r0, [r6] + movs r6, 0x7 + ands r6, r0 + str r6, [sp, 0xC] + beq _081DDBEC + ldr r0, [sp, 0x4] + ldr r4, [r0, 0x1C] + cmp r4, 0 + bne _081DDBC4 + b _081DDCEA +_081DDBC4: + subs r6, 0x1 + lsls r0, r6, 6 + adds r4, r0 + ldrb r1, [r4] + movs r0, 0xC7 + tst r0, r1 + beq _081DDC40 + movs r0, 0x40 + tst r0, r1 + bne _081DDC40 + ldrb r1, [r4, 0x13] + ldr r0, [sp, 0x10] + cmp r1, r0 + bcc _081DDC40 + beq _081DDBE4 + b _081DDCEA +_081DDBE4: + ldr r0, [r4, 0x2C] + cmp r0, r5 + bcs _081DDC40 + b _081DDCEA +_081DDBEC: + ldr r6, [sp, 0x10] + adds r7, r5, 0 + movs r2, 0 + mov r8, r2 + ldr r4, [sp, 0x4] + ldrb r3, [r4, 0x6] + adds r4, 0x50 +_081DDBFA: + ldrb r1, [r4] + movs r0, 0xC7 + tst r0, r1 + beq _081DDC40 + movs r0, 0x40 + tst r0, r1 + beq _081DDC14 + cmp r2, 0 + bne _081DDC18 + adds r2, 0x1 + ldrb r6, [r4, 0x13] + ldr r7, [r4, 0x2C] + b _081DDC32 +_081DDC14: + cmp r2, 0 + bne _081DDC34 +_081DDC18: + ldrb r0, [r4, 0x13] + cmp r0, r6 + bcs _081DDC24 + adds r6, r0, 0 + ldr r7, [r4, 0x2C] + b _081DDC32 +_081DDC24: + bhi _081DDC34 + ldr r0, [r4, 0x2C] + cmp r0, r7 + bls _081DDC30 + adds r7, r0, 0 + b _081DDC32 +_081DDC30: + bcc _081DDC34 +_081DDC32: + mov r8, r4 +_081DDC34: + adds r4, 0x40 + subs r3, 0x1 + bgt _081DDBFA + mov r4, r8 + cmp r4, 0 + beq _081DDCEA +_081DDC40: + adds r0, r4, 0 + bl ClearChain + movs r1, 0 + str r1, [r4, 0x30] + ldr r3, [r5, 0x20] + str r3, [r4, 0x34] + cmp r3, 0 + beq _081DDC54 + str r4, [r3, 0x30] +_081DDC54: + str r4, [r5, 0x20] + str r5, [r4, 0x2C] + ldrb r0, [r5, 0x1B] + strb r0, [r5, 0x1C] + cmp r0, r1 + beq _081DDC66 + adds r1, r5, 0 + bl clear_modM +_081DDC66: + ldr r0, [sp] + adds r1, r5, 0 + bl TrkVolPitSet + ldr r0, [r5, 0x4] + str r0, [r4, 0x10] + ldr r0, [sp, 0x10] + strb r0, [r4, 0x13] + ldr r0, [sp, 0x8] + strb r0, [r4, 0x8] + ldr r0, [sp, 0x14] + strb r0, [r4, 0x14] + mov r6, r9 + ldrb r0, [r6] + strb r0, [r4, 0x1] + ldr r7, [r6, 0x4] + str r7, [r4, 0x24] + ldr r0, [r6, 0x8] + str r0, [r4, 0x4] + ldrh r0, [r5, 0x1E] + strh r0, [r4, 0xC] + bl ChnVolSetAsm + ldrb r1, [r4, 0x8] + movs r0, 0x8 + ldrsb r0, [r5, r0] + adds r3, r1, r0 + bpl _081DDCA0 + movs r3, 0 +_081DDCA0: + ldr r6, [sp, 0xC] + cmp r6, 0 + beq _081DDCCE + mov r6, r9 + ldrb r0, [r6, 0x2] + strb r0, [r4, 0x1E] + ldrb r1, [r6, 0x3] + movs r0, 0x80 + tst r0, r1 + bne _081DDCBA + movs r0, 0x70 + tst r0, r1 + bne _081DDCBC +_081DDCBA: + movs r1, 0x8 +_081DDCBC: + strb r1, [r4, 0x1F] + ldrb r2, [r5, 0x9] + adds r1, r3, 0 + ldr r0, [sp, 0xC] + ldr r3, [sp, 0x4] + ldr r3, [r3, 0x30] + bl call_r3 + b _081DDCDC +_081DDCCE: + ldr r0, [r5, o_MusicPlayerTrack_unk_3C] + str r0, [r4, 0x18] + ldrb r2, [r5, 0x9] + adds r1, r3, 0 + adds r0, r7, 0 + bl MidiKeyToFreq +_081DDCDC: + str r0, [r4, 0x20] + movs r0, 0x80 + strb r0, [r4] + ldrb r1, [r5] + movs r0, 0xF0 + ands r0, r1 + strb r0, [r5] +_081DDCEA: + add sp, 0x18 + pop {r0-r7} + mov r8, r0 + mov r9, r1 + mov r10, r2 + mov r11, r3 + pop {r0} + bx r0 + .pool + thumb_func_end ply_note + + thumb_func_start ply_endtie +ply_endtie: + push {r4,r5} + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + ldrb r3, [r2] + cmp r3, 0x80 + bhs _081DDD16 + strb r3, [r1, o_MusicPlayerTrack_key] + adds r2, 0x1 + str r2, [r1, o_MusicPlayerTrack_cmdPtr] + b _081DDD18 +_081DDD16: + ldrb r3, [r1, o_MusicPlayerTrack_key] +_081DDD18: + ldr r1, [r1, o_MusicPlayerTrack_chan] + cmp r1, 0 + beq _081DDD40 + movs r4, 0x83 + movs r5, 0x40 +_081DDD22: + ldrb r2, [r1, o_SoundChannel_status] + tst r2, r4 + beq _081DDD3A + tst r2, r5 + bne _081DDD3A + ldrb r0, [r1, o_SoundChannel_mk] + cmp r0, r3 + bne _081DDD3A + movs r0, 0x40 + orrs r2, r0 + strb r2, [r1, o_SoundChannel_status] + b _081DDD40 +_081DDD3A: + ldr r1, [r1, o_SoundChannel_np] + cmp r1, 0 + bne _081DDD22 +_081DDD40: + pop {r4,r5} + bx lr + thumb_func_end ply_endtie + + thumb_func_start clear_modM +clear_modM: + movs r2, 0 + strb r2, [r1, o_MusicPlayerTrack_modM] + strb r2, [r1, o_MusicPlayerTrack_lfoSpeedC] + ldrb r2, [r1, o_MusicPlayerTrack_modT] + cmp r2, 0 + bne _081DDD54 + movs r2, 0xC + b _081DDD56 +_081DDD54: + movs r2, 0x3 +_081DDD56: + ldrb r3, [r1, o_MusicPlayerTrack_flags] + orrs r3, r2 + strb r3, [r1, o_MusicPlayerTrack_flags] + bx lr + thumb_func_end clear_modM + + thumb_func_start ld_r3_tp_adr_i +ld_r3_tp_adr_i_unchecked: + ldr r2, [r1, o_MusicPlayerTrack_cmdPtr] + adds r3, r2, 1 + str r3, [r1, o_MusicPlayerTrack_cmdPtr] + ldrb r3, [r2] + bx lr + thumb_func_end ld_r3_tp_adr_i + + thumb_func_start ply_lfos +ply_lfos: + mov r12, lr + bl ld_r3_tp_adr_i_unchecked + strb r3, [r1, o_MusicPlayerTrack_lfoSpeed] + cmp r3, 0 + bne _081DDD7C + bl clear_modM +_081DDD7C: + bx r12 + thumb_func_end ply_lfos + + thumb_func_start ply_mod +ply_mod: + mov r12, lr + bl ld_r3_tp_adr_i_unchecked + strb r3, [r1, o_MusicPlayerTrack_mod] + cmp r3, 0 + bne _081DDD90 + bl clear_modM +_081DDD90: + bx r12 + thumb_func_end ply_mod + + .align 2, 0 @ Don't pad with nop. diff --git a/src/pokemon/mail.c b/src/pokemon/mail.c index ab43c033a..921a3ad93 100644 --- a/src/pokemon/mail.c +++ b/src/pokemon/mail.c @@ -15,7 +15,7 @@ #include "strings2.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" struct UnkMailStruct @@ -320,7 +320,7 @@ static u8 sub_80F8A28(void) { case 0: SetVBlankCallback(NULL); - remove_some_task(); + ScanlineEffect_Stop(); REG_DISPCNT = 0; RETURN_UP_STATE; diff --git a/src/pokemon/pokedex.c b/src/pokemon/pokedex.c index 48ce26bb8..4fb6a4920 100644 --- a/src/pokemon/pokedex.c +++ b/src/pokemon/pokedex.c @@ -23,7 +23,7 @@ #include "strings.h" #include "task.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" #define NATIONAL_DEX_COUNT 386 @@ -1419,7 +1419,7 @@ void CB2_InitPokedex(void) } break; case 1: - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); ResetPaletteFade(); @@ -1494,7 +1494,7 @@ u8 unref_sub_808C540(void (*func)(u8)) SetVBlankCallback(NULL); sub_8091060(0x200); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetPaletteFade(); savedIme = REG_IME; diff --git a/src/pokemon/pokemon_summary_screen.c b/src/pokemon/pokemon_summary_screen.c index d98383c6d..bf8306fc0 100644 --- a/src/pokemon/pokemon_summary_screen.c +++ b/src/pokemon/pokemon_summary_screen.c @@ -29,7 +29,7 @@ #include "strings2.h" #include "task.h" #include "tv.h" -#include "unknown_task.h" +#include "scanline_effect.h" static void sub_809FC0C(void); static void sub_809FEB8(void); @@ -123,12 +123,12 @@ extern u8 StorageSystemGetNextMonIndex(struct BoxPokemon *, u8, u8, u8); extern struct MusicPlayerInfo gMPlay_BGM; extern u8 gUnknown_020384F0; extern u8 gUnknown_08208238[]; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_Y; extern u16 gBattle_BG2_Y; extern u16 gBattle_BG1_Y; extern u16 gBattle_BG1_X; extern u16 gBattle_BG2_X; -extern u16 gUnknown_030041B0; +extern u16 gBattle_BG3_X; extern TaskFunc gUnknown_03005CF0; extern struct Sprite *gUnknown_020384F4; extern struct SpriteTemplate gUnknown_02024E8C; @@ -586,8 +586,8 @@ void sub_809D85C(void) REG_BG1VOFS = gBattle_BG1_Y; REG_BG2HOFS = gBattle_BG2_X; REG_BG2VOFS = gBattle_BG2_Y; - REG_BG3HOFS = gUnknown_030041B0; - REG_BG3VOFS = gUnknown_030041B8; + REG_BG3HOFS = gBattle_BG3_X; + REG_BG3VOFS = gBattle_BG3_Y; LoadOam(); ProcessSpriteCopyRequests(); @@ -701,7 +701,7 @@ bool8 sub_809DA84(void) gMain.state++; break; case 1: - remove_some_task(); + ScanlineEffect_Stop(); gMain.state++; break; case 2: @@ -813,11 +813,11 @@ bool8 sub_809DA84(void) case 20: if (GetMonData(&pssData.loadedMon, MON_DATA_IS_EGG)) { - gUnknown_030041B0 = 256; + gBattle_BG3_X = 256; } else { - gUnknown_030041B0 = 0; + gBattle_BG3_X = 0; } gMain.state++; @@ -872,8 +872,8 @@ static void sub_809DE64(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 0; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 0; + gBattle_BG3_Y = 0; REG_BG0HOFS = 0; REG_BG0VOFS = 0; @@ -2176,11 +2176,11 @@ void sub_809F43C(u8 taskId) pssData.loadGfxState = 0; if (GetMonData(&pssData.loadedMon, MON_DATA_IS_EGG)) { - gUnknown_030041B0 = 256; + gBattle_BG3_X = 256; } else { - gUnknown_030041B0 = 0; + gBattle_BG3_X = 0; } gMain.state++; diff --git a/src/pokenav_before.c b/src/pokenav_before.c index 3b534c96c..b31be2ce1 100644 --- a/src/pokenav_before.c +++ b/src/pokenav_before.c @@ -18,7 +18,7 @@ #include "sound.h" #include "task.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" extern u8 ewram[]; @@ -329,7 +329,7 @@ void sub_80EBA5C() ResetTasks(); break; case 6: - remove_some_task(); + ScanlineEffect_Stop(); break; case 7: sub_80F1A90(); @@ -436,7 +436,7 @@ void sub_80EBD4C() ProcessSpriteCopyRequests(); TransferPlttBuffer(); sub_80F5BF0(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } void sub_80EBD68() diff --git a/src/roulette.c b/src/roulette.c index e88c36c01..6d79f9d38 100644 --- a/src/roulette.c +++ b/src/roulette.c @@ -23,7 +23,7 @@ #include "task.h" #include "text.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" asm(".include \"constants/gba_constants.inc\""); @@ -578,7 +578,7 @@ void sub_8115384(void) { case 0x0: SetVBlankCallback(NULL); - remove_some_task(); + ScanlineEffect_Stop(); sub_80F9438(); sub_80F9368(); REG_BG2CNT = 0x4686; diff --git a/src/scanline_effect.c b/src/scanline_effect.c new file mode 100644 index 000000000..b4de0689f --- /dev/null +++ b/src/scanline_effect.c @@ -0,0 +1,261 @@ +#include "global.h" +#include "data2.h" +#include "task.h" +#include "trig.h" +#include "scanline_effect.h" + +static void CopyValue16Bit(void); +static void CopyValue32Bit(void); + +extern u16 gBattle_BG0_Y; +extern u16 gBattle_BG0_X; +extern u16 gBattle_BG1_X; +extern u16 gBattle_BG1_Y; +extern u16 gBattle_BG2_X; +extern u16 gBattle_BG2_Y; +extern u16 gBattle_BG3_X; +extern u16 gBattle_BG3_Y; + +EWRAM_DATA static u8 sShouldStopWaveTask = FALSE; + +struct ScanlineEffect gScanlineEffect; + +// Per-scanline register values. +// This is double buffered so that it can be safely written to at any time +// without overwriting the buffer that the DMA is currently reading +u16 gScanlineEffectRegBuffers[2][0x3C0]; + +void ScanlineEffect_Stop(void) +{ + gScanlineEffect.state = 0; + DmaStop(0); + if (gScanlineEffect.waveTaskId != 0xFF) + { + DestroyTask(gScanlineEffect.waveTaskId); + gScanlineEffect.waveTaskId = 0xFF; + } +} + +void ScanlineEffect_Clear(void) +{ + CpuFill16(0, gScanlineEffectRegBuffers, sizeof(gScanlineEffectRegBuffers)); + gScanlineEffect.dmaSrcBuffers[0] = NULL; + gScanlineEffect.dmaSrcBuffers[1] = NULL; + gScanlineEffect.dmaDest = NULL; + gScanlineEffect.dmaControl = 0; + gScanlineEffect.srcBuffer = 0; + gScanlineEffect.state = 0; + gScanlineEffect.unused16 = 0; + gScanlineEffect.unused17 = 0; + gScanlineEffect.waveTaskId = 0xFF; +} + +void ScanlineEffect_SetParams(struct ScanlineEffectParams params) +{ + if (params.dmaControl == SCANLINE_EFFECT_DMACNT_16BIT) // 16-bit + { + // Set the DMA src to the value for the second scanline because the + // first DMA transfer occurs in HBlank *after* the first scanline is drawn + gScanlineEffect.dmaSrcBuffers[0] = (u16 *)gScanlineEffectRegBuffers[0] + 1; + gScanlineEffect.dmaSrcBuffers[1] = (u16 *)gScanlineEffectRegBuffers[1] + 1; + gScanlineEffect.setFirstScanlineReg = CopyValue16Bit; + } + else // assume 32-bit + { + // Set the DMA src to the value for the second scanline because the + // first DMA transfer occurs in HBlank *after* the first scanline is drawn + gScanlineEffect.dmaSrcBuffers[0] = (u32 *)gScanlineEffectRegBuffers[0] + 1; + gScanlineEffect.dmaSrcBuffers[1] = (u32 *)gScanlineEffectRegBuffers[1] + 1; + gScanlineEffect.setFirstScanlineReg = CopyValue32Bit; + } + + gScanlineEffect.dmaControl = params.dmaControl; + gScanlineEffect.dmaDest = params.dmaDest; + gScanlineEffect.state = params.initState; + gScanlineEffect.unused16 = params.unused9; + gScanlineEffect.unused17 = params.unused9; +} + +void ScanlineEffect_InitHBlankDmaTransfer(void) +{ + if (gScanlineEffect.state == 0) + { + return; + } + else if (gScanlineEffect.state == 3) + { + gScanlineEffect.state = 0; + DmaStop(0); + sShouldStopWaveTask = TRUE; + } + else + { + DmaStop(0); + // Set DMA to copy to dest register on each HBlank for the next frame. + // The HBlank DMA transfers do not occurr during VBlank, so the transfer + // will begin on the HBlank after the first scanline + DmaSet(0, gScanlineEffect.dmaSrcBuffers[gScanlineEffect.srcBuffer], gScanlineEffect.dmaDest, gScanlineEffect.dmaControl); + // Manually set the reg for the first scanline + gScanlineEffect.setFirstScanlineReg(); + // Swap current buffer + gScanlineEffect.srcBuffer ^= 1; + } +} + +// These two functions are used to copy the register for the first scanline, +// depending whether it is a 16-bit register or a 32-bit register. + +static void CopyValue16Bit(void) +{ + u16 *dest = (u16 *)gScanlineEffect.dmaDest; + u16 *src = (u16 *)&gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer]; + + *dest = *src; +} + +static void CopyValue32Bit(void) +{ + u32 *dest = (u32 *)gScanlineEffect.dmaDest; + u32 *src = (u32 *)&gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer]; + + *dest = *src; +} + +#define tStartLine data[0] +#define tEndLine data[1] +#define tWaveLength data[2] +#define tSrcBufferOffset data[3] +#define tFramesUntilMove data[4] +#define tDelayInterval data[5] +#define tRegOffset data[6] +#define tApplyBattleBgOffsets data[7] + +static void TaskFunc_UpdateWavePerFrame(u8 taskId) +{ + int value = 0; + int i; + int offset; + + if (sShouldStopWaveTask) + { + DestroyTask(taskId); + gScanlineEffect.waveTaskId = 0xFF; + } + else + { + if (gTasks[taskId].tApplyBattleBgOffsets) + { + switch (gTasks[taskId].tRegOffset) + { + case SCANLINE_EFFECT_REG_BG0HOFS: + value = gBattle_BG0_X; + break; + case SCANLINE_EFFECT_REG_BG0VOFS: + value = gBattle_BG0_Y; + break; + case SCANLINE_EFFECT_REG_BG1HOFS: + value = gBattle_BG1_X; + break; + case SCANLINE_EFFECT_REG_BG1VOFS: + value = gBattle_BG1_Y; + break; + case SCANLINE_EFFECT_REG_BG2HOFS: + value = gBattle_BG2_X; + break; + case SCANLINE_EFFECT_REG_BG2VOFS: + value = gBattle_BG2_Y; + break; + case SCANLINE_EFFECT_REG_BG3HOFS: + value = gBattle_BG3_X; + break; + case SCANLINE_EFFECT_REG_BG3VOFS: + value = gBattle_BG3_Y; + break; + } + } + if (gTasks[taskId].tFramesUntilMove != 0) + { + gTasks[taskId].tFramesUntilMove--; + offset = gTasks[taskId].tSrcBufferOffset + 320; + for (i = gTasks[taskId].tStartLine; i < gTasks[taskId].tEndLine; i++) + { + gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer][i] = gScanlineEffectRegBuffers[0][offset] + value; + offset++; + } + } + else + { + gTasks[taskId].tFramesUntilMove = gTasks[taskId].tDelayInterval; + offset = gTasks[taskId].tSrcBufferOffset + 320; + for (i = gTasks[taskId].tStartLine; i < gTasks[taskId].tEndLine; i++) + { + gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer][i] = gScanlineEffectRegBuffers[0][offset] + value; + offset++; + } + + // increment src buffer offset + gTasks[taskId].tSrcBufferOffset++; + if (gTasks[taskId].tSrcBufferOffset == gTasks[taskId].tWaveLength) + gTasks[taskId].tSrcBufferOffset = 0; + } + } +} + +static void GenerateWave(u16 *buffer, u8 frequency, u8 amplitude, u8 unused) +{ + u16 i = 0; + u8 theta = 0; + + while (i < 256) + { + buffer[i] = (gSineTable[theta] * amplitude) / 256; + theta += frequency; + i++; + } +} + +// Initializes a background "wave" effect that affects scanlines startLine (inclusive) to endLine (exclusive). +// 'frequency' and 'amplitude' control the frequency and amplitude of the wave. +// 'delayInterval' controls how fast the wave travels up the screen. The wave will shift upwards one scanline every 'delayInterval'+1 frames. +// 'regOffset' is the offset of the video register to modify. +u8 ScanlineEffect_InitWave(u8 startLine, u8 endLine, u8 frequency, u8 amplitude, u8 delayInterval, u8 regOffset, bool8 applyBattleBgOffsets) +{ + int i; + int offset; + struct ScanlineEffectParams params; + u8 taskId; + + ScanlineEffect_Clear(); + + params.dmaDest = (void *)(REG_ADDR_BG0HOFS + regOffset); + params.dmaControl = SCANLINE_EFFECT_DMACNT_16BIT; + params.initState = 1; + params.unused9 = 0; + ScanlineEffect_SetParams(params); + + taskId = CreateTask(TaskFunc_UpdateWavePerFrame, 0); + + gTasks[taskId].tStartLine = startLine; + gTasks[taskId].tEndLine = endLine; + gTasks[taskId].tWaveLength = 256 / frequency; + gTasks[taskId].tSrcBufferOffset = 0; + gTasks[taskId].tFramesUntilMove = delayInterval; + gTasks[taskId].tDelayInterval = delayInterval; + gTasks[taskId].tRegOffset = regOffset; + gTasks[taskId].tApplyBattleBgOffsets = applyBattleBgOffsets; + + gScanlineEffect.waveTaskId = taskId; + sShouldStopWaveTask = FALSE; + + GenerateWave(&gScanlineEffectRegBuffers[0][320], frequency, amplitude, endLine - startLine); + + offset = 320; + for (i = startLine; i < endLine; i++) + { + gScanlineEffectRegBuffers[0][i] = gScanlineEffectRegBuffers[0][offset]; + gScanlineEffectRegBuffers[1][i] = gScanlineEffectRegBuffers[0][offset]; + offset++; + } + + return taskId; +} diff --git a/src/scene/cable_car.c b/src/scene/cable_car.c index 52a0aeebf..d8e099130 100644 --- a/src/scene/cable_car.c +++ b/src/scene/cable_car.c @@ -14,7 +14,7 @@ #include "decompress.h" #include "field_weather.h" #include "field_map_obj.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "event_data.h" #include "cable_car_util.h" #include "constants/map_objects.h" @@ -208,7 +208,7 @@ static void CableCarMainCallback_Setup(void) case 0: default: SetVBlankCallback(NULL); - remove_some_task(); + ScanlineEffect_Stop(); DmaFill16Large(3, 0, VRAM, VRAM_SIZE, 0x1000); DmaFill32Defvars(3, 0, OAM, OAM_SIZE); DmaFill16Defvars(3, 0, PLTT, PLTT_SIZE); diff --git a/src/scene/contest_painting.c b/src/scene/contest_painting.c index 401872644..3aa898b03 100644 --- a/src/scene/contest_painting.c +++ b/src/scene/contest_painting.c @@ -11,7 +11,7 @@ #include "string_util.h" #include "strings.h" #include "text.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" static u8 gUnknown_03000750; @@ -147,7 +147,7 @@ static void ShowContestPainting(void) switch (gMain.state) { case 0: - remove_some_task(); + ScanlineEffect_Stop(); SetVBlankCallback(NULL); gUnknown_03005E8C = &ewram15DE0; ContestPaintingInitVars(TRUE); diff --git a/src/scene/evolution_scene.c b/src/scene/evolution_scene.c index 167130aa5..53eb2f1e8 100644 --- a/src/scene/evolution_scene.c +++ b/src/scene/evolution_scene.c @@ -9,7 +9,7 @@ #include "pokemon.h" #include "string_util.h" #include "battle.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "data2.h" #include "decompress.h" #include "m4a.h" @@ -71,8 +71,8 @@ extern u16 gBattle_BG1_X; extern u16 gBattle_BG1_Y; extern u16 gBattle_BG2_X; extern u16 gBattle_BG2_Y; -extern u16 gUnknown_030041B0; -extern u16 gUnknown_030041B8; +extern u16 gBattle_BG3_X; +extern u16 gBattle_BG3_Y; extern u8 gBattleTerrain; extern u8 gReservedSpritePaletteCount; extern u16 gMoveToLearn; @@ -206,8 +206,8 @@ void EvolutionScene(struct Pokemon* mon, u16 speciesToEvolve, bool8 canStopEvo, gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 256; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 256; + gBattle_BG3_Y = 0; Text_InitWindowWithTemplate(&gUnknown_03004210, &gWindowTemplate_81E6C58); gBattleTerrain = BATTLE_TERRAIN_PLAIN; @@ -215,7 +215,7 @@ void EvolutionScene(struct Pokemon* mon, u16 speciesToEvolve, bool8 canStopEvo, sub_800D6D4(); sub_800DAB8(); ResetSpriteData(); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); FreeAllSpritePalettes(); @@ -314,8 +314,8 @@ static void CB2_EvolutionSceneLoadGraphics(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 256; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 256; + gBattle_BG3_Y = 0; Text_InitWindowWithTemplate(&gUnknown_03004210, &gWindowTemplate_81E6C58); gBattleTerrain = BATTLE_TERRAIN_PLAIN; @@ -368,8 +368,8 @@ static void CB2_TradeEvolutionSceneLoadGraphics(void) gBattle_BG1_Y = 0; gBattle_BG2_X = 0; gBattle_BG2_Y = 0; - gUnknown_030041B0 = 256; - gUnknown_030041B8 = 0; + gBattle_BG3_X = 256; + gBattle_BG3_Y = 0; gMain.state++; break; case 1: @@ -3929,12 +3929,12 @@ static void VBlankCB_EvolutionScene(void) REG_BG1VOFS = gBattle_BG1_Y; REG_BG2HOFS = gBattle_BG2_X; REG_BG2VOFS = gBattle_BG2_Y; - REG_BG3HOFS = gUnknown_030041B0; - REG_BG3VOFS = gUnknown_030041B8; + REG_BG3HOFS = gBattle_BG3_X; + REG_BG3VOFS = gBattle_BG3_Y; LoadOam(); ProcessSpriteCopyRequests(); TransferPlttBuffer(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } static void VBlankCB_TradeEvolutionScene(void) @@ -3945,12 +3945,12 @@ static void VBlankCB_TradeEvolutionScene(void) REG_BG1VOFS = gBattle_BG1_Y; REG_BG2HOFS = gBattle_BG2_X; REG_BG2VOFS = gBattle_BG2_Y; - REG_BG3HOFS = gUnknown_030041B0; - REG_BG3VOFS = gUnknown_030041B8; + REG_BG3HOFS = gBattle_BG3_X; + REG_BG3VOFS = gBattle_BG3_Y; LoadOam(); ProcessSpriteCopyRequests(); TransferPlttBuffer(); - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); } static void sub_81150D8(void) diff --git a/src/scene/hall_of_fame.c b/src/scene/hall_of_fame.c index 948c288ff..303dcf3e0 100644 --- a/src/scene/hall_of_fame.c +++ b/src/scene/hall_of_fame.c @@ -16,6 +16,7 @@ #include "data2.h" #include "decompress.h" #include "random.h" +#include "scanline_effect.h" #include "trig.h" #include "ewram.h" @@ -95,7 +96,6 @@ bool8 sub_80C5DCC(void); bool8 sub_80C5F98(void); void ReturnFromHallOfFamePC(void); u16 SpeciesToPokedexNum(u16 species); -void remove_some_task(void); // data and gfx @@ -1278,7 +1278,7 @@ static void sub_81433E0(void) static void sub_8143570(void) { - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); FreeAllSpritePalettes(); diff --git a/src/scene/intro.c b/src/scene/intro.c index 4dc6cc91c..d7d772a40 100644 --- a/src/scene/intro.c +++ b/src/scene/intro.c @@ -19,7 +19,7 @@ #include "task.h" #include "title_screen.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" #include "ewram.h" extern struct SpriteTemplate gUnknown_02024E8C; @@ -873,7 +873,7 @@ static u8 SetUpCopyrightScreen(void) DmaFill16(3, 0, (void *)(PLTT + 2), PLTT_SIZE - 2); ResetPaletteFade(); LoadCopyrightGraphics(0, 0x3800, 0); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); FreeAllSpritePalettes(); diff --git a/src/scene/intro_credits_graphics.c b/src/scene/intro_credits_graphics.c index 6cee74cce..f0f1264a0 100755 --- a/src/scene/intro_credits_graphics.c +++ b/src/scene/intro_credits_graphics.c @@ -19,7 +19,7 @@ #include "task.h" #include "title_screen.h" #include "trig.h" -#include "unknown_task.h" +#include "scanline_effect.h" // define register constants for the inline asm asm(".include \"constants/gba_constants.inc\"\n"); diff --git a/src/scene/title_screen.c b/src/scene/title_screen.c index 26fe088d5..202b752a6 100644 --- a/src/scene/title_screen.c +++ b/src/scene/title_screen.c @@ -13,7 +13,7 @@ #include "sound.h" #include "sprite.h" #include "task.h" -#include "unknown_task.h" +#include "scanline_effect.h" #if ENGLISH #define VERSION_BANNER_SHAPE 1 @@ -598,7 +598,7 @@ static void StartPokemonLogoShine(bool8 flashBackground) static void VBlankCB(void) { - sub_8089668(); + ScanlineEffect_InitHBlankDmaTransfer(); LoadOam(); ProcessSpriteCopyRequests(); TransferPlttBuffer(); @@ -644,7 +644,7 @@ void CB2_InitTitleScreen(void) LZ77UnCompVram(sLegendaryMonTilemap, (void *)(VRAM + 0xC000)); LZ77UnCompVram(sBackdropTilemap, (void *)(VRAM + 0xC800)); LoadPalette(sLegendaryMonPalettes, 0xE0, sizeof(sLegendaryMonPalettes)); - remove_some_task(); + ScanlineEffect_Stop(); ResetTasks(); ResetSpriteData(); FreeAllSpritePalettes(); @@ -711,7 +711,7 @@ void CB2_InitTitleScreen(void) if (!UpdatePaletteFade()) { StartPokemonLogoShine(FALSE); - sub_8089944(0, 0xA0, 4, 4, 0, 4, 1); + ScanlineEffect_InitWave(0, DISPLAY_HEIGHT, 4, 4, 0, SCANLINE_EFFECT_REG_BG1HOFS, TRUE); SetMainCallback2(MainCB2); } break; diff --git a/src/unknown_task.c b/src/unknown_task.c deleted file mode 100644 index 2c71bfb08..000000000 --- a/src/unknown_task.c +++ /dev/null @@ -1,235 +0,0 @@ -#include "global.h" -#include "data2.h" -#include "task.h" -#include "trig.h" -#include "unknown_task.h" - -static void sub_80896F4(void); -static void sub_8089714(void); - -extern u16 gUnknown_030041B0; -extern u16 gBattle_BG1_Y; -extern u16 gUnknown_030041B8; -extern u16 gBattle_BG2_Y; -extern u16 gBattle_BG2_X; -extern u16 gBattle_BG0_Y; -extern u16 gBattle_BG0_X; -extern u16 gBattle_BG1_X; - -extern u8 gUnknown_0202FFA4; - -extern struct UnknownTaskStruct2 gUnknown_03004DC0; - -// Is this a struct? -extern u16 gUnknown_03004DE0[][0x3C0]; - -void remove_some_task(void) -{ - gUnknown_03004DC0.unk15 = 0; - DmaStop(0); - if (gUnknown_03004DC0.taskId != 0xFF) - { - DestroyTask(gUnknown_03004DC0.taskId); - gUnknown_03004DC0.taskId = 0xFF; - } -} - -void dp12_8087EA4(void) -{ - CpuFill16(0, gUnknown_03004DE0, 0x780 * 2); - gUnknown_03004DC0.src[0] = 0; - gUnknown_03004DC0.src[1] = 0; - gUnknown_03004DC0.dest = 0; - gUnknown_03004DC0.unkC = 0; - gUnknown_03004DC0.srcBank = 0; - gUnknown_03004DC0.unk15 = 0; - gUnknown_03004DC0.unk16 = 0; - gUnknown_03004DC0.unk17 = 0; - gUnknown_03004DC0.taskId = 0xFF; -} - -void sub_80895F8(struct UnknownTaskStruct unk) -{ - if (unk.control == (((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_DEST_RELOAD) << 16) | 1)) - { - gUnknown_03004DC0.src[0] = &gUnknown_03004DE0[0][1]; - gUnknown_03004DC0.src[1] = &gUnknown_03004DE0[1][1]; - gUnknown_03004DC0.unk10 = sub_80896F4; - } - else - { - gUnknown_03004DC0.src[0] = &gUnknown_03004DE0[0][2]; - gUnknown_03004DC0.src[1] = &gUnknown_03004DE0[1][2]; - gUnknown_03004DC0.unk10 = sub_8089714; - } - - gUnknown_03004DC0.unkC = unk.control; - gUnknown_03004DC0.dest = unk.dest; - gUnknown_03004DC0.unk15 = unk.unk8; - gUnknown_03004DC0.unk16 = unk.unk9; - gUnknown_03004DC0.unk17 = unk.unk9; -} - -void sub_8089668(void) -{ - if (gUnknown_03004DC0.unk15) - { - if (gUnknown_03004DC0.unk15 == 3) - { - gUnknown_03004DC0.unk15 = 0; - DmaStop(0); - gUnknown_0202FFA4 = 1; - } - else - { - DmaStop(0); - DmaSet(0, gUnknown_03004DC0.src[gUnknown_03004DC0.srcBank], gUnknown_03004DC0.dest, gUnknown_03004DC0.unkC); - gUnknown_03004DC0.unk10(); - gUnknown_03004DC0.srcBank ^= 1; - } - } -} - -static void sub_80896F4(void) -{ - u16 *dest = (u16 *)gUnknown_03004DC0.dest; - u16 *src = (u16 *)&gUnknown_03004DE0[gUnknown_03004DC0.srcBank]; - *dest = *src; -} - -static void sub_8089714(void) -{ - u32 *dest = (u32 *)gUnknown_03004DC0.dest; - u32 *src = (u32 *)&gUnknown_03004DE0[gUnknown_03004DC0.srcBank]; - *dest = *src; -} - -static void task00_for_dp12(u8 taskId) -{ - int value = 0; - - if (gUnknown_0202FFA4) - { - DestroyTask(taskId); - gUnknown_03004DC0.taskId = 0xFF; - } - else - { - if (gTasks[taskId].data[7]) - { - switch (gTasks[taskId].data[6]) - { - case 0x0: - value = gBattle_BG0_X; - break; - case 0x2: - value = gBattle_BG0_Y; - break; - case 0x4: - value = gBattle_BG1_X; - break; - case 0x6: - value = gBattle_BG1_Y; - break; - case 0x8: - value = gBattle_BG2_X; - break; - case 0xA: - value = gBattle_BG2_Y; - break; - case 0xC: - value = gUnknown_030041B0; - break; - case 0xE: - value = gUnknown_030041B8; - break; - } - } - if (gTasks[taskId].data[4]) - { - int i; - int offset; - gTasks[taskId].data[4]--; - offset = gTasks[taskId].data[3] + 320; - for (i = gTasks[taskId].data[0]; i < gTasks[taskId].data[1]; i++) - { - gUnknown_03004DE0[gUnknown_03004DC0.srcBank][i] = gUnknown_03004DE0[0][offset] + value; - offset++; - } - } - else - { - int i; - int offset; - gTasks[taskId].data[4] = gTasks[taskId].data[5]; - offset = gTasks[taskId].data[3] + 320; - for (i = gTasks[taskId].data[0]; i < gTasks[taskId].data[1]; i++) - { - gUnknown_03004DE0[gUnknown_03004DC0.srcBank][i] = gUnknown_03004DE0[0][offset] + value; - offset++; - } - gTasks[taskId].data[3]++; - if (gTasks[taskId].data[3] == gTasks[taskId].data[2]) - { - gTasks[taskId].data[3] = 0; - } - } - } -} - -static void sub_80898FC(u16 *a1, u8 a2, u8 a3, u8 a4) -{ - u16 i = 0; - u8 offset = 0; - - while (i < 0x100) - { - a1[i] = (gSineTable[offset] * a3) / 256; - offset += a2; - i++; - } -} - -u8 sub_8089944(u8 a1, u8 a2, u8 a3, u8 a4, u8 a5, u8 a6, u8 a7) -{ - int i; - int offset; - struct UnknownTaskStruct unk; - u8 taskId; - - dp12_8087EA4(); - - unk.dest = (void *)(REG_ADDR_BG0HOFS + a6); - unk.control = ((DMA_ENABLE | DMA_START_HBLANK | DMA_REPEAT | DMA_DEST_RELOAD) << 16) | 1; - unk.unk8 = 1; - unk.unk9 = 0; - - sub_80895F8(unk); - - taskId = CreateTask(task00_for_dp12, 0); - - gTasks[taskId].data[0] = a1; - gTasks[taskId].data[1] = a2; - gTasks[taskId].data[2] = 256 / a3; - gTasks[taskId].data[3] = 0; - gTasks[taskId].data[4] = a5; - gTasks[taskId].data[5] = a5; - gTasks[taskId].data[6] = a6; - gTasks[taskId].data[7] = a7; - - gUnknown_03004DC0.taskId = taskId; - gUnknown_0202FFA4 = 0; - - sub_80898FC(&gUnknown_03004DE0[0][320], a3, a4, a2 - a1); - - offset = 320; - - for (i = a1; i < a2; i++) - { - gUnknown_03004DE0[0][i] = gUnknown_03004DE0[0][offset]; - gUnknown_03004DE0[1][i] = gUnknown_03004DE0[0][offset]; - offset++; - } - - return taskId; -} |