diff options
| -rw-r--r-- | asm/link.s | 149 | ||||
| -rw-r--r-- | include/global.h | 1 | ||||
| -rw-r--r-- | src/link.c | 69 |
3 files changed, 70 insertions, 149 deletions
diff --git a/asm/link.s b/asm/link.s index 39f12333a..2142d593e 100644 --- a/asm/link.s +++ b/asm/link.s @@ -5,155 +5,6 @@ .text - thumb_func_start GetLinkPlayerCount -GetLinkPlayerCount: @ 8009FCC - push {lr} - ldr r0, =gLinkVSyncDisabled - ldrb r0, [r0] - cmp r0, 0 - bne _08009FEC - ldr r0, =gUnknown_030030E0 - ldr r0, [r0] - movs r1, 0x1C - ands r0, r1 - lsrs r0, 2 - b _08009FF4 - .pool -_08009FEC: - bl sub_80104F4 - lsls r0, 24 - lsrs r0, 24 -_08009FF4: - pop {r1} - bx r1 - thumb_func_end GetLinkPlayerCount - - thumb_func_start sub_8009FF8 -sub_8009FF8: @ 8009FF8 - push {r4-r7,lr} - adds r6, r0, 0 - adds r5, r1, 0 - bl GetLinkPlayerCount - lsls r0, 24 - lsrs r4, r0, 24 - movs r2, 0 - cmp r2, r4 - bge _0800A030 - movs r7, 0xFF - ldr r3, =gLinkPlayers -_0800A010: - ldrh r0, [r3] - adds r1, r7, 0 - ands r1, r0 - cmp r1, r6 - beq _0800A01E - cmp r1, r5 - bne _0800A028 -_0800A01E: - movs r0, 0x1 - b _0800A034 - .pool -_0800A028: - adds r3, 0x1C - adds r2, 0x1 - cmp r2, r4 - blt _0800A010 -_0800A030: - movs r0, 0x1 - negs r0, r0 -_0800A034: - pop {r4-r7} - pop {r1} - bx r1 - thumb_func_end sub_8009FF8 - - thumb_func_start sub_800A03C -sub_800A03C: @ 800A03C - movs r0, 0x2 - bx lr - thumb_func_end sub_800A03C - - thumb_func_start sub_800A040 -sub_800A040: @ 800A040 - push {lr} - bl GetLinkPlayerCount - lsls r0, 24 - lsrs r0, 24 - cmp r0, 0x4 - bne _0800A05A - movs r0, 0x2 - movs r1, 0x1 - bl sub_8009FF8 - cmp r0, 0 - bge _0800A05E -_0800A05A: - movs r0, 0 - b _0800A060 -_0800A05E: - movs r0, 0x1 -_0800A060: - pop {r1} - bx r1 - thumb_func_end sub_800A040 - - thumb_func_start sub_800A064 -sub_800A064: @ 800A064 - push {lr} - movs r0, 0x2 - movs r1, 0x1 - bl sub_8009FF8 - cmp r0, 0 - bge _0800A076 - movs r0, 0 - b _0800A078 -_0800A076: - movs r0, 0x1 -_0800A078: - pop {r1} - bx r1 - thumb_func_end sub_800A064 - - thumb_func_start sub_800A07C -sub_800A07C: @ 800A07C - push {lr} - movs r0, 0x4 - movs r1, 0x5 - bl sub_8009FF8 - adds r2, r0, 0 - cmp r2, 0 - blt _0800A0A4 - ldr r0, =gLinkPlayers - lsls r1, r2, 3 - subs r1, r2 - lsls r1, 2 - adds r1, r0 - ldrh r0, [r1, 0x1A] - cmp r0, 0x1 - bne _0800A0A4 - movs r0, 0x1 - b _0800A0A6 - .pool -_0800A0A4: - movs r0, 0 -_0800A0A6: - pop {r1} - bx r1 - thumb_func_end sub_800A07C - - thumb_func_start sub_800A0AC -sub_800A0AC: @ 800A0AC - push {lr} - ldr r0, =gUnknown_03000D5C - movs r1, 0 - str r1, [r0] - ldr r0, =gUnknown_020229C8 - strh r1, [r0] - bl sub_8009734 - pop {r0} - bx r0 - .pool - thumb_func_end sub_800A0AC - thumb_func_start sub_800A0C8 sub_800A0C8: @ 800A0C8 push {r4-r7,lr} diff --git a/include/global.h b/include/global.h index 3421517d7..8cfbc2289 100644 --- a/include/global.h +++ b/include/global.h @@ -51,6 +51,7 @@ enum LanguageId { LANGUAGE_GERMAN = 5, }; +#define GAME_VERSION (VERSION_EMERALD) #define GAME_LANGUAGE (LANGUAGE_ENGLISH) enum diff --git a/src/link.c b/src/link.c index 2c8fd5397..66c7c5801 100644 --- a/src/link.c +++ b/src/link.c @@ -101,6 +101,7 @@ u8 gUnknown_020223BC = 0; u8 gUnknown_020223BD = 0; bool8 gUnknown_020229C4 = FALSE; u16 gUnknown_020229C6 = 0; +u16 gUnknown_020229C8 = 0; struct LinkPlayer gUnknown_020229CC = {}; // Static ROM declarations @@ -131,6 +132,7 @@ void sub_800EDD4(void); bool32 sub_800F7E4(void); void sub_800F804(void); void Rfu_set_zero(void); +u8 sub_80104F4(void); // .rodata @@ -699,3 +701,70 @@ void sub_8009FAC(void) gUnknown_03003140 = NULL; } } + +u8 GetLinkPlayerCount(void) +{ + if (gLinkVSyncDisabled) + { + return sub_80104F4(); + } + return EXTRACT_PLAYER_COUNT(gUnknown_030030E0); +} + +int sub_8009FF8(u32 version1, u32 version2) +{ + int i; + u8 nPlayers; + + nPlayers = GetLinkPlayerCount(); + for (i = 0; i < nPlayers; i ++) + { + if ((gLinkPlayers[i].version & 0xFF) == version1 || (gLinkPlayers[i].version & 0xFF) == version2) + { + return 1; + } + } + return -1; +} + +u32 sub_800A03C(void) +{ + return 2; +} + +bool32 sub_800A040(void) +{ + if (GetLinkPlayerCount() != 4 || sub_8009FF8(VERSION_RUBY, VERSION_SAPPHIRE) < 0) + { + return FALSE; + } + return TRUE; +} + +bool32 sub_800A064(void) +{ + if (sub_8009FF8(VERSION_RUBY, VERSION_SAPPHIRE) >= 0) + { + return TRUE; + } + return FALSE; +} + +bool32 sub_800A07C(void) +{ + int i; + + i = sub_8009FF8(VERSION_FIRE_RED, VERSION_LEAF_GREEN); + if (i >= 0 && gLinkPlayers[i].language == LANGUAGE_JAPANESE) + { + return TRUE; + } + return FALSE; +} + +void sub_800A0AC(void) +{ + gUnknown_03000D5C = 0; + gUnknown_020229C8 = 0; + sub_8009734(); +} |