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RegisterSpriteParts_80052BC

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This commit is contained in:
DizzyEggg
2024-11-29 13:21:46 +01:00
parent 350a6efa62
commit f33ea625a0
1 changed files with 14 additions and 63 deletions
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77
src/sprite.c
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@@ -20,7 +20,10 @@ static EWRAM_DATA UnkSpriteLink sUnknown_2025EA8[128] = {0};
static EWRAM_DATA SpriteOAM sUnknown_20262A8[128] = {0};
static EWRAM_DATA s32 sSpriteCount = {0}; // 20266A8
UNUSED static EWRAM_DATA u32 sUnused2 = {0}; // 20266AC
static EWRAM_DATA unkStruct_20266B0 sUnknown_20266B0[160] = {0};
#define UNK_20266B0_ARR_COUNT 160
static EWRAM_DATA unkStruct_20266B0 sUnknown_20266B0[UNK_20266B0_ARR_COUNT] = {0};
static EWRAM_DATA void *sCharMemCursor = {0}; // 2026E30
UNUSED static EWRAM_DATA u32 sUnused3 = {0}; // 2026E34
@@ -807,71 +810,19 @@ void BlinkSavingIcon(void)
}
}
#ifdef NONMATCHING // https://decomp.me/scratch/taTIU
extern u32 RegisterSpriteParts_80052BC_end[0] asm("sCharMemCursor");
static void RegisterSpriteParts_80052BC(UnkSpriteMem *a0)
void RegisterSpriteParts_80052BC(struct UnkSpriteMem *a0)
{
if (a0->byteCount) {
unkStruct_20266B0 **r5 = &sUnknown_203B074;
void *r6 = RegisterSpriteParts_80052BC_end;
void **r4 = &sCharMemCursor;
do {
unkStruct_20266B0 *r2 = *r5;
if ((uintptr_t)r2 >= (uintptr_t)r6)
return;
r2->byteCount = a0->byteCount;
r2->src = a0->src;
r2->dest = *r4;
*r4 = r2->dest + a0->byteCount;
*r5 = r2 + 1;
a0++;
} while (a0->byteCount);
while (a0->byteCount != 0) {
if ((uintptr_t)sUnknown_203B074 >= (uintptr_t)&sUnknown_20266B0[UNK_20266B0_ARR_COUNT])
return;
sUnknown_203B074->byteCount = a0->byteCount;
sUnknown_203B074->src = a0->src;
sUnknown_203B074->dest = sCharMemCursor;
sCharMemCursor += a0->byteCount;
sUnknown_203B074++;
a0++;
}
}
#else
UNUSED // TODO: Remove the "UNUSED" attribute after AddAxSprite is done
NAKED
static void RegisterSpriteParts_80052BC(UnkSpriteMem *a0)
{
asm_unified(
"push {r4-r6,lr}\n"
"\tadds r3, r0, 0\n"
"\tldr r0, [r3, 0x4]\n"
"\tcmp r0, 0\n"
"\tbeq _080052F2\n"
"\tldr r5, _080052F8\n"
"\tldr r6, _080052FC\n"
"\tldr r4, _08005300\n"
"_080052CC:\n"
"\tldr r2, [r5]\n"
"\tcmp r2, r6\n"
"\tbcs _080052F2\n"
"\tldr r0, [r3, 0x4]\n"
"\tstr r0, [r2]\n"
"\tldr r0, [r3]\n"
"\tstr r0, [r2, 0x4]\n"
"\tldr r1, [r4]\n"
"\tstr r1, [r2, 0x8]\n"
"\tldr r0, [r3, 0x4]\n"
"\tadds r1, r0\n"
"\tstr r1, [r4]\n"
"\tadds r0, r2, 0\n"
"\tadds r0, 0xC\n"
"\tstr r0, [r5]\n"
"\tadds r3, 0x8\n"
"\tldr r0, [r3, 0x4]\n"
"\tcmp r0, 0\n"
"\tbne _080052CC\n"
"_080052F2:\n"
"\tpop {r4-r6}\n"
"\tpop {r0}\n"
"\tbx r0\n"
"\t.align 2, 0\n"
"_080052F8: .4byte sUnknown_203B074\n"
"_080052FC: .4byte sCharMemCursor\n"
"_08005300: .4byte sCharMemCursor");
}
#endif // NONMATCHING
void sub_8005304(void)
{