summaryrefslogtreecommitdiff
path: root/src/bg.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/bg.c')
-rw-r--r--src/bg.c1195
1 files changed, 447 insertions, 748 deletions
diff --git a/src/bg.c b/src/bg.c
index 7c55410b1..a41075ad7 100644
--- a/src/bg.c
+++ b/src/bg.c
@@ -135,22 +135,22 @@ u16 GetBgControlAttribute(u8 bg, u8 attributeId)
{
switch (attributeId)
{
- case BG_CTRL_ATTR_VISIBLE:
- return sGpuBgConfigs.configs[bg].visible;
- case BG_CTRL_ATTR_CHARBASEINDEX:
- return sGpuBgConfigs.configs[bg].charBaseIndex;
- case BG_CTRL_ATTR_MAPBASEINDEX:
- return sGpuBgConfigs.configs[bg].mapBaseIndex;
- case BG_CTRL_ATTR_SCREENSIZE:
- return sGpuBgConfigs.configs[bg].screenSize;
- case BG_CTRL_ATTR_PALETTEMODE:
- return sGpuBgConfigs.configs[bg].paletteMode;
- case BG_CTRL_ATTR_PRIORITY:
- return sGpuBgConfigs.configs[bg].priority;
- case BG_CTRL_ATTR_MOSAIC:
- return sGpuBgConfigs.configs[bg].mosaic;
- case BG_CTRL_ATTR_WRAPAROUND:
- return sGpuBgConfigs.configs[bg].wraparound;
+ case BG_CTRL_ATTR_VISIBLE:
+ return sGpuBgConfigs.configs[bg].visible;
+ case BG_CTRL_ATTR_CHARBASEINDEX:
+ return sGpuBgConfigs.configs[bg].charBaseIndex;
+ case BG_CTRL_ATTR_MAPBASEINDEX:
+ return sGpuBgConfigs.configs[bg].mapBaseIndex;
+ case BG_CTRL_ATTR_SCREENSIZE:
+ return sGpuBgConfigs.configs[bg].screenSize;
+ case BG_CTRL_ATTR_PALETTEMODE:
+ return sGpuBgConfigs.configs[bg].paletteMode;
+ case BG_CTRL_ATTR_PRIORITY:
+ return sGpuBgConfigs.configs[bg].priority;
+ case BG_CTRL_ATTR_MOSAIC:
+ return sGpuBgConfigs.configs[bg].mosaic;
+ case BG_CTRL_ATTR_WRAPAROUND:
+ return sGpuBgConfigs.configs[bg].wraparound;
}
}
@@ -166,15 +166,15 @@ u8 LoadBgVram(u8 bg, const void *src, u16 size, u16 destOffset, u8 mode)
{
switch (mode)
{
- case 0x1:
- offset = sGpuBgConfigs.configs[bg].charBaseIndex * BG_CHAR_SIZE;
- break;
- case 0x2:
- offset = sGpuBgConfigs.configs[bg].mapBaseIndex * BG_SCREEN_SIZE;
- break;
- default:
- cursor = -1;
- goto end;
+ case 0x1:
+ offset = sGpuBgConfigs.configs[bg].charBaseIndex * BG_CHAR_SIZE;
+ break;
+ case 0x2:
+ offset = sGpuBgConfigs.configs[bg].mapBaseIndex * BG_SCREEN_SIZE;
+ break;
+ default:
+ cursor = -1;
+ goto end;
}
offset = destOffset + offset;
@@ -241,17 +241,17 @@ static void SetBgAffineInternal(u8 bg, u32 srcCenterX, u32 srcCenterY, s16 dispC
switch (sGpuBgConfigs.bgVisibilityAndMode & 0x7)
{
- case 1:
- if (bg != 2)
- return;
- break;
- case 2:
- if (bg < 2 || bg > 3)
- return;
- break;
- case 0:
- default:
+ case 1:
+ if (bg != 2)
+ return;
+ break;
+ case 2:
+ if (bg < 2 || bg > 3)
return;
+ break;
+ case 0:
+ default:
+ return;
}
src.texX = srcCenterX;
@@ -279,7 +279,8 @@ bool8 IsInvalidBg(u8 bg)
{
if (bg > 3)
return TRUE;
- return FALSE;
+ else
+ return FALSE;
}
int DummiedOutFireRedLeafGreenTileAllocFunc(int a1, int a2, int a3, int a4)
@@ -434,7 +435,6 @@ u16 Unused_LoadBgPalette(u8 bg, const void *src, u16 size, u16 destOffset)
return (u8)cursor;
}
-#ifdef NONMATCHING // Matches everything but r5 and r6 are flipped, rrr
bool8 IsDma3ManagerBusyWithBgCopy(void)
{
u8 mod;
@@ -462,60 +462,6 @@ bool8 IsDma3ManagerBusyWithBgCopy(void)
return FALSE;
}
-#else
-NAKED
-bool8 IsDma3ManagerBusyWithBgCopy(void)
-{
- asm("push {r4-r7,lr}\n\
- mov r5, #0\n\
- mov r7, #0x1\n\
- neg r7, r7\n\
-_08001ADC:\n\
- add r0, r5, #0\n\
- cmp r5, #0\n\
- bge _08001AE4\n\
- add r0, #0x1F\n\
-_08001AE4:\n\
- asr r0, #5\n\
- lsl r2, r0, #24\n\
- lsl r0, #5\n\
- sub r0, r5, r0\n\
- lsl r0, #24\n\
- lsr r0, #24\n\
- ldr r1, =sDmaBusyBitfield\n\
- lsr r2, #22\n\
- add r4, r2, r1\n\
- mov r6, #0x1\n\
- lsl r6, r0\n\
- ldr r0, [r4]\n\
- and r0, r6\n\
- cmp r0, #0\n\
- beq _08001B22\n\
- lsl r0, r5, #16\n\
- asr r0, #16\n\
- bl CheckForSpaceForDma3Request\n\
- lsl r0, #24\n\
- asr r0, #24\n\
- cmp r0, r7\n\
- bne _08001B1C\n\
- mov r0, #0x1\n\
- b _08001B2A\n\
- .pool\n\
-_08001B1C:\n\
- ldr r0, [r4]\n\
- bic r0, r6\n\
- str r0, [r4]\n\
-_08001B22:\n\
- add r5, #0x1\n\
- cmp r5, #0x7F\n\
- ble _08001ADC\n\
- mov r0, #0\n\
-_08001B2A:\n\
- pop {r4-r7}\n\
- pop {r1}\n\
- bx r1\n");
-}
-#endif // NONMATCHING
void ShowBg(u8 bg)
{
@@ -533,27 +479,27 @@ void SetBgAttribute(u8 bg, u8 attributeId, u8 value)
{
switch (attributeId)
{
- case 1:
- SetBgControlAttributes(bg, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
- break;
- case 2:
- SetBgControlAttributes(bg, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
- break;
- case 3:
- SetBgControlAttributes(bg, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF);
- break;
- case 4:
- SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF);
- break;
- case 7:
- SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF);
- break;
- case 5:
- SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF);
- break;
- case 6:
- SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value);
- break;
+ case 1:
+ SetBgControlAttributes(bg, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
+ break;
+ case 2:
+ SetBgControlAttributes(bg, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
+ break;
+ case 3:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF);
+ break;
+ case 4:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF);
+ break;
+ case 7:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF);
+ break;
+ case 5:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF);
+ break;
+ case 6:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value);
+ break;
}
}
@@ -561,36 +507,36 @@ u16 GetBgAttribute(u8 bg, u8 attributeId)
{
switch (attributeId)
{
- case 1:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_CHARBASEINDEX);
- case 2:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_MAPBASEINDEX);
- case 3:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
- case 4:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_PALETTEMODE);
- case 7:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_PRIORITY);
- case 5:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_MOSAIC);
- case 6:
- return GetBgControlAttribute(bg, BG_CTRL_ATTR_WRAPAROUND);
- case 8:
- switch (GetBgType(bg))
- {
- case 0:
- return GetBgMetricTextMode(bg, 0) * 0x800;
- case 1:
- return GetBgMetricAffineMode(bg, 0) * 0x100;
- default:
- return 0;
- }
- case 9:
- return GetBgType(bg);
- case 10:
- return sGpuBgConfigs2[bg].baseTile;
- default:
- return -1;
+ case 1:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_CHARBASEINDEX);
+ case 2:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_MAPBASEINDEX);
+ case 3:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
+ case 4:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_PALETTEMODE);
+ case 7:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_PRIORITY);
+ case 5:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_MOSAIC);
+ case 6:
+ return GetBgControlAttribute(bg, BG_CTRL_ATTR_WRAPAROUND);
+ case 8:
+ switch (GetBgType(bg))
+ {
+ case 0:
+ return GetBgMetricTextMode(bg, 0) * 0x800;
+ case 1:
+ return GetBgMetricAffineMode(bg, 0) * 0x100;
+ default:
+ return 0;
+ }
+ case 9:
+ return GetBgType(bg);
+ case 10:
+ return sGpuBgConfigs2[bg].baseTile;
+ default:
+ return -1;
}
}
@@ -607,58 +553,58 @@ u32 ChangeBgX(u8 bg, u32 value, u8 op)
switch (op)
{
- case 0:
- default:
- sGpuBgConfigs2[bg].bg_x = value;
- break;
- case 1:
- sGpuBgConfigs2[bg].bg_x += value;
- break;
- case 2:
- sGpuBgConfigs2[bg].bg_x -= value;
- break;
+ case 0:
+ default:
+ sGpuBgConfigs2[bg].bg_x = value;
+ break;
+ case 1:
+ sGpuBgConfigs2[bg].bg_x += value;
+ break;
+ case 2:
+ sGpuBgConfigs2[bg].bg_x -= value;
+ break;
}
mode = GetBgMode();
switch (bg)
{
- case 0:
- temp1 = sGpuBgConfigs2[0].bg_x >> 0x8;
- SetGpuReg(REG_OFFSET_BG0HOFS, temp1);
- break;
- case 1:
- temp1 = sGpuBgConfigs2[1].bg_x >> 0x8;
- SetGpuReg(REG_OFFSET_BG1HOFS, temp1);
- break;
- case 2:
- if (mode == 0)
- {
- temp1 = sGpuBgConfigs2[2].bg_x >> 0x8;
- SetGpuReg(REG_OFFSET_BG2HOFS, temp1);
- }
- else
- {
- temp1 = sGpuBgConfigs2[2].bg_x >> 0x10;
- temp2 = sGpuBgConfigs2[2].bg_x & 0xFFFF;
- SetGpuReg(REG_OFFSET_BG2X_H, temp1);
- SetGpuReg(REG_OFFSET_BG2X_L, temp2);
- }
- break;
- case 3:
- if (mode == 0)
- {
- temp1 = sGpuBgConfigs2[3].bg_x >> 0x8;
- SetGpuReg(REG_OFFSET_BG3HOFS, temp1);
- }
- else if (mode == 2)
- {
- temp1 = sGpuBgConfigs2[3].bg_x >> 0x10;
- temp2 = sGpuBgConfigs2[3].bg_x & 0xFFFF;
- SetGpuReg(REG_OFFSET_BG3X_H, temp1);
- SetGpuReg(REG_OFFSET_BG3X_L, temp2);
- }
- break;
+ case 0:
+ temp1 = sGpuBgConfigs2[0].bg_x >> 0x8;
+ SetGpuReg(REG_OFFSET_BG0HOFS, temp1);
+ break;
+ case 1:
+ temp1 = sGpuBgConfigs2[1].bg_x >> 0x8;
+ SetGpuReg(REG_OFFSET_BG1HOFS, temp1);
+ break;
+ case 2:
+ if (mode == 0)
+ {
+ temp1 = sGpuBgConfigs2[2].bg_x >> 0x8;
+ SetGpuReg(REG_OFFSET_BG2HOFS, temp1);
+ }
+ else
+ {
+ temp1 = sGpuBgConfigs2[2].bg_x >> 0x10;
+ temp2 = sGpuBgConfigs2[2].bg_x & 0xFFFF;
+ SetGpuReg(REG_OFFSET_BG2X_H, temp1);
+ SetGpuReg(REG_OFFSET_BG2X_L, temp2);
+ }
+ break;
+ case 3:
+ if (mode == 0)
+ {
+ temp1 = sGpuBgConfigs2[3].bg_x >> 0x8;
+ SetGpuReg(REG_OFFSET_BG3HOFS, temp1);
+ }
+ else if (mode == 2)
+ {
+ temp1 = sGpuBgConfigs2[3].bg_x >> 0x10;
+ temp2 = sGpuBgConfigs2[3].bg_x & 0xFFFF;
+ SetGpuReg(REG_OFFSET_BG3X_H, temp1);
+ SetGpuReg(REG_OFFSET_BG3X_L, temp2);
+ }
+ break;
}
return sGpuBgConfigs2[bg].bg_x;
@@ -668,9 +614,10 @@ u32 GetBgX(u8 bg)
{
if (IsInvalidBg32(bg) != FALSE)
return -1;
- if (GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE) == 0)
+ else if (GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE) == 0)
return -1;
- return sGpuBgConfigs2[bg].bg_x;
+ else
+ return sGpuBgConfigs2[bg].bg_x;
}
u32 ChangeBgY(u8 bg, u32 value, u8 op)
@@ -686,58 +633,58 @@ u32 ChangeBgY(u8 bg, u32 value, u8 op)
switch (op)
{
- case 0:
- default:
- sGpuBgConfigs2[bg].bg_y = value;
- break;
- case 1:
- sGpuBgConfigs2[bg].bg_y += value;
- break;
- case 2:
- sGpuBgConfigs2[bg].bg_y -= value;
- break;
+ case 0:
+ default:
+ sGpuBgConfigs2[bg].bg_y = value;
+ break;
+ case 1:
+ sGpuBgConfigs2[bg].bg_y += value;
+ break;
+ case 2:
+ sGpuBgConfigs2[bg].bg_y -= value;
+ break;
}
mode = GetBgMode();
switch (bg)
{
- case 0:
- temp1 = sGpuBgConfigs2[0].bg_y >> 0x8;
- SetGpuReg(REG_OFFSET_BG0VOFS, temp1);
- break;
- case 1:
- temp1 = sGpuBgConfigs2[1].bg_y >> 0x8;
- SetGpuReg(REG_OFFSET_BG1VOFS, temp1);
- break;
- case 2:
- if (mode == 0)
- {
- temp1 = sGpuBgConfigs2[2].bg_y >> 0x8;
- SetGpuReg(REG_OFFSET_BG2VOFS, temp1);
- }
- else
- {
- temp1 = sGpuBgConfigs2[2].bg_y >> 0x10;
- temp2 = sGpuBgConfigs2[2].bg_y & 0xFFFF;
- SetGpuReg(REG_OFFSET_BG2Y_H, temp1);
- SetGpuReg(REG_OFFSET_BG2Y_L, temp2);
- }
- break;
- case 3:
- if (mode == 0)
- {
- temp1 = sGpuBgConfigs2[3].bg_y >> 0x8;
- SetGpuReg(REG_OFFSET_BG3VOFS, temp1);
- }
- else if (mode == 2)
- {
- temp1 = sGpuBgConfigs2[3].bg_y >> 0x10;
- temp2 = sGpuBgConfigs2[3].bg_y & 0xFFFF;
- SetGpuReg(REG_OFFSET_BG3Y_H, temp1);
- SetGpuReg(REG_OFFSET_BG3Y_L, temp2);
- }
- break;
+ case 0:
+ temp1 = sGpuBgConfigs2[0].bg_y >> 0x8;
+ SetGpuReg(REG_OFFSET_BG0VOFS, temp1);
+ break;
+ case 1:
+ temp1 = sGpuBgConfigs2[1].bg_y >> 0x8;
+ SetGpuReg(REG_OFFSET_BG1VOFS, temp1);
+ break;
+ case 2:
+ if (mode == 0)
+ {
+ temp1 = sGpuBgConfigs2[2].bg_y >> 0x8;
+ SetGpuReg(REG_OFFSET_BG2VOFS, temp1);
+ }
+ else
+ {
+ temp1 = sGpuBgConfigs2[2].bg_y >> 0x10;
+ temp2 = sGpuBgConfigs2[2].bg_y & 0xFFFF;
+ SetGpuReg(REG_OFFSET_BG2Y_H, temp1);
+ SetGpuReg(REG_OFFSET_BG2Y_L, temp2);
+ }
+ break;
+ case 3:
+ if (mode == 0)
+ {
+ temp1 = sGpuBgConfigs2[3].bg_y >> 0x8;
+ SetGpuReg(REG_OFFSET_BG3VOFS, temp1);
+ }
+ else if (mode == 2)
+ {
+ temp1 = sGpuBgConfigs2[3].bg_y >> 0x10;
+ temp2 = sGpuBgConfigs2[3].bg_y & 0xFFFF;
+ SetGpuReg(REG_OFFSET_BG3Y_H, temp1);
+ SetGpuReg(REG_OFFSET_BG3Y_L, temp2);
+ }
+ break;
}
return sGpuBgConfigs2[bg].bg_y;
@@ -756,59 +703,59 @@ u32 ChangeBgY_ScreenOff(u8 bg, u32 value, u8 op)
switch (op)
{
- case 0:
- default:
- sGpuBgConfigs2[bg].bg_y = value;
- break;
- case 1:
- sGpuBgConfigs2[bg].bg_y += value;
- break;
- case 2:
- sGpuBgConfigs2[bg].bg_y -= value;
- break;
+ case 0:
+ default:
+ sGpuBgConfigs2[bg].bg_y = value;
+ break;
+ case 1:
+ sGpuBgConfigs2[bg].bg_y += value;
+ break;
+ case 2:
+ sGpuBgConfigs2[bg].bg_y -= value;
+ break;
}
mode = GetBgMode();
switch (bg)
{
- case 0:
- temp1 = sGpuBgConfigs2[0].bg_y >> 0x8;
- SetGpuReg_ForcedBlank(REG_OFFSET_BG0VOFS, temp1);
- break;
- case 1:
- temp1 = sGpuBgConfigs2[1].bg_y >> 0x8;
- SetGpuReg_ForcedBlank(REG_OFFSET_BG1VOFS, temp1);
- break;
- case 2:
- if (mode == 0)
- {
- temp1 = sGpuBgConfigs2[2].bg_y >> 0x8;
- SetGpuReg_ForcedBlank(REG_OFFSET_BG2VOFS, temp1);
+ case 0:
+ temp1 = sGpuBgConfigs2[0].bg_y >> 0x8;
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG0VOFS, temp1);
+ break;
+ case 1:
+ temp1 = sGpuBgConfigs2[1].bg_y >> 0x8;
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG1VOFS, temp1);
+ break;
+ case 2:
+ if (mode == 0)
+ {
+ temp1 = sGpuBgConfigs2[2].bg_y >> 0x8;
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG2VOFS, temp1);
- }
- else
- {
- temp1 = sGpuBgConfigs2[2].bg_y >> 0x10;
- temp2 = sGpuBgConfigs2[2].bg_y & 0xFFFF;
- SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_H, temp1);
- SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_L, temp2);
- }
- break;
- case 3:
- if (mode == 0)
- {
- temp1 = sGpuBgConfigs2[3].bg_y >> 0x8;
- SetGpuReg_ForcedBlank(REG_OFFSET_BG3VOFS, temp1);
- }
- else if (mode == 2)
- {
- temp1 = sGpuBgConfigs2[3].bg_y >> 0x10;
- temp2 = sGpuBgConfigs2[3].bg_y & 0xFFFF;
- SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_H, temp1);
- SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_L, temp2);
- }
- break;
+ }
+ else
+ {
+ temp1 = sGpuBgConfigs2[2].bg_y >> 0x10;
+ temp2 = sGpuBgConfigs2[2].bg_y & 0xFFFF;
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_H, temp1);
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_L, temp2);
+ }
+ break;
+ case 3:
+ if (mode == 0)
+ {
+ temp1 = sGpuBgConfigs2[3].bg_y >> 0x8;
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG3VOFS, temp1);
+ }
+ else if (mode == 2)
+ {
+ temp1 = sGpuBgConfigs2[3].bg_y >> 0x10;
+ temp2 = sGpuBgConfigs2[3].bg_y & 0xFFFF;
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_H, temp1);
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_L, temp2);
+ }
+ break;
}
return sGpuBgConfigs2[bg].bg_y;
@@ -818,9 +765,10 @@ u32 GetBgY(u8 bg)
{
if (IsInvalidBg32(bg) != FALSE)
return -1;
- if (GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE) == 0)
+ else if (GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE) == 0)
return -1;
- return sGpuBgConfigs2[bg].bg_y;
+ else
+ return sGpuBgConfigs2[bg].bg_y;
}
void SetBgAffine(u8 bg, u32 srcCenterX, u32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle)
@@ -842,57 +790,57 @@ u8 Unused_AdjustBgMosaic(u8 a1, u8 a2)
switch (a2)
{
- case 0:
- default:
- test1 = a1 & 0xF;
- test2 = a1 >> 0x4;
- break;
- case 1:
- test1 = a1 & 0xF;
- break;
- case 2:
- if ((test1 + a1) > 0xF)
- {
- test1 = 0xF;
- }
- else
- {
- test1 += a1;
- }
- break;
- case 3:
- if ((test1 - a1) < 0)
- {
- test1 = 0x0;
- }
- else
- {
- test1 -= a1;
- }
- break;
- case 4:
- test2 = a1 & 0xF;
- break;
- case 5:
- if ((test2 + a1) > 0xF)
- {
- test2 = 0xF;
- }
- else
- {
- test2 += a1;
- }
- break;
- case 6:
- if ((test2 - a1) < 0)
- {
- test2 = 0x0;
- }
- else
- {
- test2 -= a1;
- }
- break;
+ case 0:
+ default:
+ test1 = a1 & 0xF;
+ test2 = a1 >> 0x4;
+ break;
+ case 1:
+ test1 = a1 & 0xF;
+ break;
+ case 2:
+ if ((test1 + a1) > 0xF)
+ {
+ test1 = 0xF;
+ }
+ else
+ {
+ test1 += a1;
+ }
+ break;
+ case 3:
+ if ((test1 - a1) < 0)
+ {
+ test1 = 0x0;
+ }
+ else
+ {
+ test1 -= a1;
+ }
+ break;
+ case 4:
+ test2 = a1 & 0xF;
+ break;
+ case 5:
+ if ((test2 + a1) > 0xF)
+ {
+ test2 = 0xF;
+ }
+ else
+ {
+ test2 += a1;
+ }
+ break;
+ case 6:
+ if ((test2 - a1) < 0)
+ {
+ test2 = 0x0;
+ }
+ else
+ {
+ test2 -= a1;
+ }
+ break;
}
result |= ((test2 << 0x4) & 0xF0);
@@ -923,9 +871,10 @@ void* GetBgTilemapBuffer(u8 bg)
{
if (IsInvalidBg32(bg) != FALSE)
return NULL;
- if (GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE) == 0)
+ else if (GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE) == 0)
return NULL;
- return sGpuBgConfigs2[bg].tilemap;
+ else
+ return sGpuBgConfigs2[bg].tilemap;
}
void CopyToBgTilemapBuffer(u8 bg, const void *src, u16 mode, u16 destOffset)
@@ -933,13 +882,9 @@ void CopyToBgTilemapBuffer(u8 bg, const void *src, u16 mode, u16 destOffset)
if (IsInvalidBg32(bg) == FALSE && IsTileMapOutsideWram(bg) == FALSE)
{
if (mode != 0)
- {
CpuCopy16(src, (void *)(sGpuBgConfigs2[bg].tilemap + (destOffset * 2)), mode);
- }
else
- {
LZ77UnCompWram(src, (void *)(sGpuBgConfigs2[bg].tilemap + (destOffset * 2)));
- }
}
}
@@ -951,15 +896,15 @@ void CopyBgTilemapBufferToVram(u8 bg)
{
switch (GetBgType(bg))
{
- case 0:
- sizeToLoad = GetBgMetricTextMode(bg, 0) * 0x800;
- break;
- case 1:
- sizeToLoad = GetBgMetricAffineMode(bg, 0) * 0x100;
- break;
- default:
- sizeToLoad = 0;
- break;
+ case 0:
+ sizeToLoad = GetBgMetricTextMode(bg, 0) * 0x800;
+ break;
+ case 1:
+ sizeToLoad = GetBgMetricAffineMode(bg, 0) * 0x100;
+ break;
+ default:
+ sizeToLoad = 0;
+ break;
}
LoadBgVram(bg, sGpuBgConfigs2[bg].tilemap, sizeToLoad, 0, 2);
}
@@ -976,27 +921,27 @@ void CopyToBgTilemapBufferRect(u8 bg, const void* src, u8 destX, u8 destY, u8 wi
{
switch (GetBgType(bg))
{
- case 0:
- srcCopy = src;
- for (destY16 = destY; destY16 < (destY + height); destY16++)
+ case 0:
+ srcCopy = src;
+ for (destY16 = destY; destY16 < (destY + height); destY16++)
+ {
+ for (destX16 = destX; destX16 < (destX + width); destX16++)
{
- for (destX16 = destX; destX16 < (destX + width); destX16++)
- {
- ((u16*)sGpuBgConfigs2[bg].tilemap)[((destY16 * 0x20) + destX16)] = *((u16*)srcCopy)++;
- }
+ ((u16*)sGpuBgConfigs2[bg].tilemap)[((destY16 * 0x20) + destX16)] = *((u16*)srcCopy)++;
}
- break;
- case 1:
- srcCopy = src;
- mode = GetBgMetricAffineMode(bg, 0x1);
- for (destY16 = destY; destY16 < (destY + height); destY16++)
+ }
+ break;
+ case 1:
+ srcCopy = src;
+ mode = GetBgMetricAffineMode(bg, 0x1);
+ for (destY16 = destY; destY16 < (destY + height); destY16++)
+ {
+ for (destX16 = destX; destX16 < (destX + width); destX16++)
{
- for (destX16 = destX; destX16 < (destX + width); destX16++)
- {
- ((u8*)sGpuBgConfigs2[bg].tilemap)[((destY16 * mode) + destX16)] = *((u8*)srcCopy)++;
- }
+ ((u8*)sGpuBgConfigs2[bg].tilemap)[((destY16 * mode) + destX16)] = *((u8*)srcCopy)++;
}
- break;
+ }
+ break;
}
}
}
@@ -1005,295 +950,49 @@ void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, const void *src, u8 destX, u
{
CopyRectToBgTilemapBufferRect(bg, src, 0, 0, rectWidth, rectHeight, destX, destY, rectWidth, rectHeight, palette, 0, 0);
}
-// Skipping for now, it probably uses structs passed by value
-/*
-void CopyRectToBgTilemapBufferRect(u8 bg, const void* src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2)
-{
- u16 attribute;
- u16 mode;
- u16 mode2;
- void* srcCopy;
- u16 destX16;
- u16 destY16;
+void CopyRectToBgTilemapBufferRect(u8 bg, const void *src, u8 srcX, u8 srcY, u8 srcWidth, u8 unused, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, s16 palette1, s16 tileOffset)
+{
+ u16 screenWidth, screenHeight, screenSize;
+ u16 var;
+ const void *srcPtr;
+ u16 i, j;
- if (IsInvalidBg32(bg) == FALSE && IsTileMapOutsideWram(bg) == FALSE)
+ if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
- attribute = GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
- mode = GetBgMetricTextMode(bg, 0x1) * 0x20;
- mode2 = GetBgMetricTextMode(bg, 0x2) * 0x20;
+ screenSize = GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
+ screenWidth = GetBgMetricTextMode(bg, 0x1) * 0x20;
+ screenHeight = GetBgMetricTextMode(bg, 0x2) * 0x20;
switch (GetBgType(bg))
{
- case 0:
- srcCopy = src;
- for (destY16 = destY; destY16 < (destY + rectHeight); destY16++)
+ case 0:
+ srcPtr = src + ((srcY * srcWidth) + srcX) * 2;
+ for (i = destX; i < (destX + rectWidth); i++)
+ {
+ for (j = srcHeight; j < (srcHeight + destY); j++)
{
- for (destX16 = destX; destX16 < (destX + rectWidth); destX16++)
- {
- CopyTileMapEntry(&((u16*)srcCopy)[(srcY * rectWidth) + srcX], &((u16*)sGpuBgConfigs2[bg].tilemap)[GetTileMapIndexFromCoords(destX16, destY16, attribute, mode, mode2)], palette1, tileOffset, palette2);
- }
+ u16 index = GetTileMapIndexFromCoords(j, i, screenSize, screenWidth, screenHeight);
+ CopyTileMapEntry(srcPtr, sGpuBgConfigs2[bg].tilemap + (index * 2), rectHeight, palette1, tileOffset);
+ srcPtr += 2;
}
- break;
- case 1:
- srcCopy = src;
- mode = GetBgMetricAffineMode(bg, 0x1);
- for (destY16 = destY; destY16 < (destY + rectHeight); destY16++)
+ srcPtr += (srcWidth - destY) * 2;
+ }
+ break;
+ case 1:
+ srcPtr = src + ((srcY * srcWidth) + srcX);
+ var = GetBgMetricAffineMode(bg, 0x1);
+ for (i = destX; i < (destX + rectWidth); i++)
+ {
+ for (j = srcHeight; j < (srcHeight + destY); j++)
{
- for (destX16 = destX; destX16 < (destX + rectWidth); destX16++)
- {
- CopyTileMapEntry(&((u16*)srcCopy)[(srcY * rectWidth) + srcX], &((u16*)sGpuBgConfigs2[bg].tilemap)[GetTileMapIndexFromCoords(destX16, destY16, attribute, mode, mode2)], palette1, tileOffset, palette2);
- }
+ *(u8*)(sGpuBgConfigs2[bg].tilemap + ((var * i) + j)) = *(u8*)(srcPtr) + palette1;
+ srcPtr++;
}
- break;
+ srcPtr += (srcWidth - destY);
+ }
+ break;
}
}
-}*/
-NAKED
-void CopyRectToBgTilemapBufferRect(u8 bg, const void* src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2)
-{
- asm("push {r4-r7,lr}\n\
- mov r7, r10\n\
- mov r6, r9\n\
- mov r5, r8\n\
- push {r5-r7}\n\
- sub sp, #0x40\n\
- str r1, [sp, #0x8]\n\
- ldr r1, [sp, #0x60]\n\
- ldr r4, [sp, #0x68]\n\
- ldr r5, [sp, #0x6C]\n\
- ldr r6, [sp, #0x70]\n\
- ldr r7, [sp, #0x74]\n\
- mov r8, r7\n\
- ldr r7, [sp, #0x78]\n\
- mov r9, r7\n\
- ldr r7, [sp, #0x7C]\n\
- mov r10, r7\n\
- ldr r7, [sp, #0x80]\n\
- mov r12, r7\n\
- lsl r0, #24\n\
- lsr r0, #24\n\
- str r0, [sp, #0x4]\n\
- lsl r2, #24\n\
- lsr r2, #24\n\
- str r2, [sp, #0xC]\n\
- lsl r3, #24\n\
- lsr r3, #24\n\
- str r3, [sp, #0x10]\n\
- lsl r1, #24\n\
- lsr r7, r1, #24\n\
- lsl r4, #24\n\
- lsr r4, #24\n\
- str r4, [sp, #0x14]\n\
- lsl r5, #24\n\
- lsr r5, #24\n\
- lsl r6, #24\n\
- lsr r6, #24\n\
- str r6, [sp, #0x18]\n\
- mov r0, r8\n\
- lsl r0, #24\n\
- lsr r4, r0, #24\n\
- mov r1, r9\n\
- lsl r1, #24\n\
- lsr r1, #24\n\
- str r1, [sp, #0x1C]\n\
- mov r2, r10\n\
- lsl r2, #16\n\
- lsr r2, #16\n\
- str r2, [sp, #0x20]\n\
- mov r0, r12\n\
- lsl r0, #16\n\
- lsr r0, #16\n\
- str r0, [sp, #0x24]\n\
- ldr r0, [sp, #0x4]\n\
- bl IsInvalidBg32\n\
- cmp r0, #0\n\
- beq _08002592\n\
- b _080026EE\n\
-_08002592:\n\
- ldr r0, [sp, #0x4]\n\
- bl IsTileMapOutsideWram\n\
- cmp r0, #0\n\
- beq _0800259E\n\
- b _080026EE\n\
-_0800259E:\n\
- ldr r0, [sp, #0x4]\n\
- mov r1, #0x4\n\
- bl GetBgControlAttribute\n\
- lsl r0, #16\n\
- lsr r0, #16\n\
- str r0, [sp, #0x30]\n\
- ldr r0, [sp, #0x4]\n\
- mov r1, #0x1\n\
- bl GetBgMetricTextMode\n\
- lsl r0, #21\n\
- lsr r0, #16\n\
- str r0, [sp, #0x28]\n\
- ldr r0, [sp, #0x4]\n\
- mov r1, #0x2\n\
- bl GetBgMetricTextMode\n\
- lsl r0, #21\n\
- lsr r0, #16\n\
- str r0, [sp, #0x2C]\n\
- ldr r0, [sp, #0x4]\n\
- bl GetBgType\n\
- cmp r0, #0\n\
- beq _080025D8\n\
- cmp r0, #0x1\n\
- beq _08002674\n\
- b _080026EE\n\
-_080025D8:\n\
- ldr r1, [sp, #0x10]\n\
- add r0, r1, #0\n\
- mul r0, r7\n\
- ldr r2, [sp, #0xC]\n\
- add r0, r2\n\
- lsl r0, #1\n\
- ldr r1, [sp, #0x8]\n\
- add r6, r1, r0\n\
- add r0, r5, r4\n\
- cmp r5, r0\n\
- blt _080025F0\n\
- b _080026EE\n\
-_080025F0:\n\
- ldr r2, [sp, #0x18]\n\
- sub r2, r7, r2\n\
- str r2, [sp, #0x34]\n\
- str r0, [sp, #0x38]\n\
-_080025F8:\n\
- ldr r4, [sp, #0x14]\n\
- ldr r7, [sp, #0x18]\n\
- add r0, r4, r7\n\
- add r1, r5, #0x1\n\
- str r1, [sp, #0x3C]\n\
- cmp r4, r0\n\
- bge _0800265A\n\
- ldr r2, [sp, #0x4]\n\
- lsl r0, r2, #4\n\
- ldr r1, =sGpuBgConfigs2+4\n\
- add r0, r1\n\
- mov r10, r0\n\
- ldr r7, [sp, #0x20]\n\
- lsl r7, #16\n\
- mov r9, r7\n\
- ldr r1, [sp, #0x24]\n\
- lsl r0, r1, #16\n\
- asr r0, #16\n\
- mov r8, r0\n\
-_0800261E:\n\
- ldr r2, [sp, #0x2C]\n\
- str r2, [sp]\n\
- add r0, r4, #0\n\
- add r1, r5, #0\n\
- ldr r2, [sp, #0x30]\n\
- ldr r3, [sp, #0x28]\n\
- bl GetTileMapIndexFromCoords\n\
- lsl r0, #16\n\
- lsr r0, #15\n\
- mov r7, r10\n\
- ldr r1, [r7]\n\
- add r1, r0\n\
- mov r0, r8\n\
- str r0, [sp]\n\
- add r0, r6, #0\n\
- ldr r2, [sp, #0x1C]\n\
- mov r7, r9\n\
- asr r3, r7, #16\n\
- bl CopyTileMapEntry\n\
- add r6, #0x2\n\
- add r0, r4, #0x1\n\
- lsl r0, #16\n\
- lsr r4, r0, #16\n\
- ldr r1, [sp, #0x14]\n\
- ldr r2, [sp, #0x18]\n\
- add r0, r1, r2\n\
- cmp r4, r0\n\
- blt _0800261E\n\
-_0800265A:\n\
- ldr r5, [sp, #0x34]\n\
- lsl r0, r5, #1\n\
- add r6, r0\n\
- ldr r7, [sp, #0x3C]\n\
- lsl r0, r7, #16\n\
- lsr r5, r0, #16\n\
- ldr r0, [sp, #0x38]\n\
- cmp r5, r0\n\
- blt _080025F8\n\
- b _080026EE\n\
- .pool\n\
-_08002674:\n\
- ldr r1, [sp, #0x10]\n\
- add r0, r1, #0\n\
- mul r0, r7\n\
- ldr r2, [sp, #0xC]\n\
- add r0, r2\n\
- ldr r1, [sp, #0x8]\n\
- add r6, r1, r0\n\
- ldr r0, [sp, #0x4]\n\
- mov r1, #0x1\n\
- bl GetBgMetricAffineMode\n\
- lsl r0, #16\n\
- lsr r0, #16\n\
- mov r9, r0\n\
- add r0, r5, r4\n\
- cmp r5, r0\n\
- bge _080026EE\n\
- ldr r2, [sp, #0x18]\n\
- sub r2, r7, r2\n\
- str r2, [sp, #0x34]\n\
- str r0, [sp, #0x38]\n\
- ldr r7, =sGpuBgConfigs2+4\n\
- mov r10, r7\n\
- ldr r0, [sp, #0x4]\n\
- lsl r0, #4\n\
- mov r8, r0\n\
-_080026A8:\n\
- ldr r4, [sp, #0x14]\n\
- ldr r1, [sp, #0x18]\n\
- add r0, r4, r1\n\
- add r2, r5, #0x1\n\
- str r2, [sp, #0x3C]\n\
- cmp r4, r0\n\
- bge _080026DE\n\
- mov r3, r8\n\
- add r3, r10\n\
- mov r7, r9\n\
- mul r7, r5\n\
- mov r12, r7\n\
- add r2, r0, #0\n\
-_080026C2:\n\
- ldr r1, [r3]\n\
- mov r5, r12\n\
- add r0, r5, r4\n\
- add r1, r0\n\
- ldrb r0, [r6]\n\
- ldr r7, [sp, #0x20]\n\
- add r0, r7\n\
- strb r0, [r1]\n\
- add r6, #0x1\n\
- add r0, r4, #0x1\n\
- lsl r0, #16\n\
- lsr r4, r0, #16\n\
- cmp r4, r2\n\
- blt _080026C2\n\
-_080026DE:\n\
- ldr r0, [sp, #0x34]\n\
- add r6, r0\n\
- ldr r1, [sp, #0x3C]\n\
- lsl r0, r1, #16\n\
- lsr r5, r0, #16\n\
- ldr r2, [sp, #0x38]\n\
- cmp r5, r2\n\
- blt _080026A8\n\
-_080026EE:\n\
- add sp, #0x40\n\
- pop {r3-r5}\n\
- mov r8, r3\n\
- mov r9, r4\n\
- mov r10, r5\n\
- pop {r4-r7}\n\
- pop {r0}\n\
- bx r0\n\
- .pool\n");
}
void FillBgTilemapBufferRect_Palette0(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height)
@@ -1384,42 +1083,42 @@ u16 GetBgMetricTextMode(u8 bg, u8 whichMetric)
switch (whichMetric)
{
+ case 0:
+ switch (attribute)
+ {
case 0:
- switch (attribute)
- {
- case 0:
- return 1;
- case 1:
- case 2:
- return 2;
- case 3:
- return 4;
- }
- break;
+ return 1;
case 1:
- switch (attribute)
- {
- case 0:
- return 1;
- case 1:
- return 2;
- case 2:
- return 1;
- case 3:
- return 2;
- }
- break;
case 2:
- switch (attribute)
- {
- case 0:
- case 1:
- return 1;
- case 2:
- case 3:
- return 2;
- }
- break;
+ return 2;
+ case 3:
+ return 4;
+ }
+ break;
+ case 1:
+ switch (attribute)
+ {
+ case 0:
+ return 1;
+ case 1:
+ return 2;
+ case 2:
+ return 1;
+ case 3:
+ return 2;
+ }
+ break;
+ case 2:
+ switch (attribute)
+ {
+ case 0:
+ case 1:
+ return 1;
+ case 2:
+ case 3:
+ return 2;
+ }
+ break;
}
return 0;
}
@@ -1432,22 +1131,22 @@ u32 GetBgMetricAffineMode(u8 bg, u8 whichMetric)
switch (whichMetric)
{
+ case 0:
+ switch (attribute)
+ {
case 0:
- switch (attribute)
- {
- case 0:
- return 0x1;
- case 1:
- return 0x4;
- case 2:
- return 0x10;
- case 3:
- return 0x40;
- }
- break;
+ return 0x1;
case 1:
+ return 0x4;
case 2:
- return 0x10 << attribute;
+ return 0x10;
+ case 3:
+ return 0x40;
+ }
+ break;
+ case 1:
+ case 2:
+ return 0x10 << attribute;
}
return 0;
}
@@ -1459,44 +1158,45 @@ u32 GetTileMapIndexFromCoords(s32 x, s32 y, s32 screenSize, u32 screenWidth, u32
switch (screenSize)
{
- case 0:
- case 2:
- break;
- case 3:
- if (y >= 0x20)
- y += 0x20;
- case 1:
- if (x >= 0x20)
- {
- x -= 0x20;
- y += 0x20;
- }
+ case 0:
+ case 2:
+ break;
+ case 3:
+ if (y >= 0x20)
+ y += 0x20;
+ case 1:
+ if (x >= 0x20)
+ {
+ x -= 0x20;
+ y += 0x20;
+ }
+ break;
}
return (y * 0x20) + x;
}
#ifdef NONMATCHING // This one has some weird switch statement cases that refuse to cooperate
-void CopyTileMapEntry(u16 *src, u16 *dest, s32 palette1, u32 tileOffset, u32 palette2)
+void CopyTileMapEntry(const u16 *src, u16 *dest, s32 palette1, s32 tileOffset, s32 palette2)
{
- u16 test;
+ u16 var;
switch (palette1)
{
- default:
- if (palette1 > 0x10 || palette1 < 0)
- test = *src + tileOffset + (palette2 << 12);
- else
- test = ((*src + tileOffset) & 0xFFF) + ((palette1 + palette2) << 12);
- break;
- case 0x10:
- test = ((*dest & 0xFC00) + (palette2 << 12)) | ((*src + tileOffset) & 0x3FF);
- break;
+ case 0 ... 16:
+ if (palette1 != 16)
+ var = ((*src + tileOffset) & 0xFFF) + ((palette1 + palette2) << 12);
+ else
+ var = ((*dest & 0xFC00) + (palette2 << 12)) | ((*src + tileOffset) & 0x3FF);
+ break;
+ default:
+ var = *src + tileOffset + (palette2 << 12);
+ break;
}
- *dest = test;
+ *dest = var;
}
#else
NAKED
-void CopyTileMapEntry(u16 *src, u16 *dest, s32 palette1, u32 tileOffset, u32 palette2)
+void CopyTileMapEntry(const u16 *src, u16 *dest, s32 palette1, s32 tileOffset, s32 palette2)
{
asm("push {r4-r6,lr}\n\
add r4, r0, #0\n\
@@ -1550,41 +1250,38 @@ _08002B3C:\n\
u32 GetBgType(u8 bg)
{
- u8 mode;
-
- mode = GetBgMode();
-
+ u8 mode = GetBgMode();
switch (bg)
{
+ case 0:
+ case 1:
+ switch (mode)
+ {
case 0:
case 1:
- switch (mode)
- {
- case 0:
- case 1:
- return 0;
- }
- break;
+ return 0;
+ }
+ break;
+ case 2:
+ switch (mode)
+ {
+ case 0:
+ return 0;
+ case 1:
case 2:
- switch (mode)
- {
- case 0:
- return 0;
- case 1:
- case 2:
- return 1;
- }
- break;
- case 3:
- switch (mode)
- {
- case 0:
- return 0;
- case 2:
- return 1;
- }
- break;
+ return 1;
+ }
+ break;
+ case 3:
+ switch (mode)
+ {
+ case 0:
+ return 0;
+ case 2:
+ return 1;
+ }
+ break;
}
return 0xFFFF;
@@ -1594,14 +1291,16 @@ bool32 IsInvalidBg32(u8 bg)
{
if (bg > 3)
return TRUE;
- return FALSE;
+ else
+ return FALSE;
}
bool32 IsTileMapOutsideWram(u8 bg)
{
if (sGpuBgConfigs2[bg].tilemap > (void*)IWRAM_END)
return TRUE;
- if (sGpuBgConfigs2[bg].tilemap == 0x0)
+ else if (sGpuBgConfigs2[bg].tilemap == NULL)
return TRUE;
- return FALSE;
+ else
+ return FALSE;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 06:46:15 +0000