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nonmatch sub_080B16AC

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This commit is contained in:
Henny022p
2021-02-25 23:33:03 +01:00
parent f089e58a24
commit 7cb0eee76a
3 changed files with 284 additions and 191 deletions
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src/code_080B1520.c
+92 -2
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@@ -13,7 +13,7 @@ extern struct_08DE7D40* gUnk_02036A50;
extern struct_08DE7D40 gUnk_08DE7D40;
extern struct_08DE7D40 gUnk_08DE7D4C;
u16 sub_080B16AC(u16, u32, u32);
u16 sub_080B16AC(u16, u16*, u8);
u32 sub_080B1520(u16 unk_1) {
u32 ret;
@@ -89,6 +89,96 @@ u32 sub_080B15E8(u16 unk_1, u16* unk_2) {
}
}
u16 sub_080B1698(u16 unk_1, u32 unk_2){
u16 sub_080B1698(u16 unk_1, u16* unk_2) {
return sub_080B16AC(unk_1, unk_2, 1);
}
// this is the furthest I could get
NONMATCH("asm/non_matching/code_080B1520/sub_080B16AC.inc", u16 sub_080B16AC(u16 unk_1, u16* unk_2, u8 unk_3)) {
u16 stack[0x52];
vu16 stack_a4;
vu16 stack_a6;
vu16 stack_a8;
vu32 stack_ac;
u32 r0, r1, r2;
u8 i, j;
u16* ptr;
r1 = unk_1;
if (unk_1 < gUnk_02036A50->unk_04)
return 0x80ff;
ptr = stack + gUnk_02036A50->unk_08 + 0x42;
*ptr = 0;
ptr--;
for (i = 0; i <= 3; i++) {
r2 = *unk_2;
unk_2++;
for (j = 0; j <= 0xf; j++) {
*ptr = r2;
ptr--;
r2 = r2 >> 1;
}
}
for (i = 0; i < gUnk_02036A50->unk_08; i++) {
*ptr = r1;
ptr--;
r1 = r1 >> 1;
}
*ptr = 0;
ptr--;
*ptr = 1;
sub_080B1568(stack, (u16*)0xd000000, gUnk_02036A50->unk_08 + 0x43);
stack_a4 = 0;
stack_a6 = REG_VCOUNT;
stack_ac = 0;
if (stack_a4 == 0) {
r0 = *(u16*)0xd000000;
r0 &= 1;
if (r0 != 0)
goto bad;
}
do {
do {
do {
stack_a8 = REG_VCOUNT;
if (stack_a8 != stack_a6) {
if (stack_a8 > stack_a6) {
r1 = stack_a8;
r0 = stack_a6;
r1 = r1 - r0;
r0 = stack_ac;
r1 = r1 + r0;
stack_ac = r1;
} else {
r0 = stack_a8 + 0xe4;
r1 = stack_a6;
r0 = r0 - r1;
r1 = stack_ac;
r0 = r0 + r1;
stack_ac = r0;
}
if (stack_ac > 0x88) {
if (stack_a4 != 0)
return 0;
r0 = *(u16*)0xd000000;
r0 &= 1;
if (r0 != 0)
return 0;
return 0xc001;
}
stack_a6 = stack_a8;
}
} while (stack_a4 != 0);
r1 = 1;
r0 = *(u16*)0xd000000;
r1 &= r0;
} while (r1 != 0);
bad:
stack_a4++;
} while (unk_3 != 0);
return 0;
}
END_NONMATCH