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Decompile sub_9CB8

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This commit is contained in:
WhenGryphonsFly 2024-01-27 19:42:03 -06:00
parent acef1ad6d3
commit 19ad0faea3
3 changed files with 30 additions and 91 deletions
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90
asm/intro.s
View File

@ -4,96 +4,6 @@
.text
thumb_func_start sub_9CB8
sub_9CB8: @ 0x08009CB8
push {r4, r5, r6, r7, lr}
mov r7, r8
push {r7}
ldr r4, _08009D54 @ =gUnknown_0201A450
movs r0, #8
ldrsh r1, [r4, r0]
movs r0, #0xb8
muls r0, r1, r0
ldr r2, _08009D58 @ =gUnknown_0200B698
adds r5, r0, r2
movs r0, #0xc
ldrsb r0, [r4, r0]
strh r0, [r5]
ldr r6, _08009D5C @ =gUnknown_086A769C
ldr r1, _08009D60 @ =0xFFFFFD20
adds r2, r2, r1
adds r0, r6, #0
movs r1, #0x31
bl LoadSpriteSets
ldrh r0, [r5]
cmp r0, #1
bne _08009D46
ldrh r0, [r4]
strh r0, [r5, #2]
ldrh r0, [r4, #2]
strh r0, [r5, #4]
movs r2, #8
ldrsh r0, [r4, r2]
adds r0, #4
lsls r0, r0, #2
adds r0, r0, r6
ldr r7, [r0]
movs r6, #0
ldrh r0, [r7]
cmp r6, r0
bge _08009D46
ldr r1, _08009D64 @ =gOamBuffer
mov ip, r1
ldr r2, _08009D68 @ =0xFFFFFE00
mov r8, r2
adds r4, r5, #0
adds r4, #8
_08009D0E:
ldrh r3, [r4]
lsls r3, r3, #3
add r3, ip
movs r0, #2
ldrsh r1, [r4, r0]
movs r2, #2
ldrsh r0, [r5, r2]
adds r1, r1, r0
ldr r2, _08009D6C @ =0x000001FF
adds r0, r2, #0
ands r1, r0
ldrh r2, [r3, #2]
mov r0, r8
ands r0, r2
orrs r0, r1
strh r0, [r3, #2]
ldrh r1, [r4]
lsls r1, r1, #3
add r1, ip
ldrb r0, [r5, #4]
ldrb r2, [r4, #4]
adds r0, r0, r2
strb r0, [r1]
adds r4, #8
adds r6, #1
ldrh r0, [r7]
cmp r6, r0
blt _08009D0E
_08009D46:
movs r0, #0
strh r0, [r5]
pop {r3}
mov r8, r3
pop {r4, r5, r6, r7}
pop {r0}
bx r0
.align 2, 0
_08009D54: .4byte gUnknown_0201A450
_08009D58: .4byte gUnknown_0200B698
_08009D5C: .4byte gUnknown_086A769C
_08009D60: .4byte 0xFFFFFD20
_08009D64: .4byte gOamBuffer
_08009D68: .4byte 0xFFFFFE00
_08009D6C: .4byte 0x000001FF
thumb_func_start sub_9D70
sub_9D70: @ 0x08009D70
push {r4, r5, r6, r7, lr}

1
include/variables.h
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@ -271,5 +271,6 @@ extern struct UnkStruct_086A7768 gUnknown_086A7768[0x8];
extern s16 gUnknown_086A7788[0x8];
extern s16 gUnknown_0202ADA0[];
extern s32 gUnknown_0202BEF0;
extern const struct SpriteSet *const gUnknown_086A769C[];
#endif // GUARD_VARIABLES_H

30
src/intro.c
View File

@ -47,7 +47,7 @@ struct unkStruct_201A450
u8 fill4[0x8 - 4];
s16 unk8;
s16 unkA;
u8 unkC;
s8 unkC;
u8 fillD[0x10 - 0xD];
u16 unk10;
u16 unk12;
@ -489,3 +489,31 @@ void sub_9C9C(void)
sub_10544();
gUnknown_0202C790++;
}
void sub_9CB8(void)
{
s32 i;
struct OamDataSimple *test2;
struct SpriteGroup *puVar4;
const struct SpriteSet *puVar6;
puVar4 = &gUnknown_0200B3B8[4 + gUnknown_0201A450.unk8];
puVar4->available = gUnknown_0201A450.unkC;
LoadSpriteSets(gUnknown_086A769C, 0x31, gUnknown_0200B3B8);
if (puVar4->available == 1)
{
puVar4->baseX = gUnknown_0201A450.unk0;
puVar4->baseY = gUnknown_0201A450.unk2;
puVar6 = gUnknown_086A769C[gUnknown_0201A450.unk8 + 4];
for (i = 0; i < puVar6->count; i++)
{
test2 = &puVar4->oam[i];
gOamBuffer[test2->oamId].x = test2->xOffset + puVar4->baseX;
gOamBuffer[test2->oamId].y = test2->yOffset + puVar4->baseY;
}
}
puVar4->available = 0;
}