Merge pull request #260 from DizzyEggg/decompress
Some checks are pending
GithubCI / build (push) Waiting to run

Match sub_8007AA4 and DecompressATGlobal
This commit is contained in:
AnonymousRandomPerson 2024-11-18 18:51:05 -05:00 committed by GitHub
commit 07692d8153
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 153 additions and 651 deletions

View File

@ -12,21 +12,10 @@ EWRAM_DATA u32 gDecompressBufferByteInInt = {0};
#include "data/decompress.h"
#ifndef NONMATCHING
UNUSED // Remove "UNUSED" when DecompressATGlobal is done
static void DecompressAT_AppendByte(char);
UNUSED
static void DecompressAT_Finish(void);
UNUSED
static char DecompressAT_GetByte(s32);
UNUSED
static void DecompressAT_Init(u32 *);
#else
static void DecompressAT_AppendByte(char);
static void DecompressAT_Finish(void);
static char DecompressAT_GetByte(s32);
static void DecompressAT_Init(u32 *);
#endif
static u32 DecompressATGlobal(u32 *, s32, const char *);
static void NDS_DecompressRLE(void *);
@ -232,35 +221,16 @@ u32 DecompressATGlobalFile(u32 *result, s32 resultLength, OpenedFile *file)
return DecompressATGlobal(result, resultLength, file->data);
}
#ifndef NONMATCHING
NAKED
#endif
static u32 DecompressATGlobal(u32 *result, s32 resultLength, const char *compressedData)
{
#ifdef NONMATCHING
s32 compressedLength;
s32 flags[9];
s32 curIndex;
s32 bytesWritten;
s32 cmdBit;
s32 currentByte;
s32 flags1;
s32 flags2;
s32 flags3;
s32 flags4;
s32 flags5;
s32 flags6;
s32 flags7;
s32 flags8;
s32 flags9;
u32 command;
u32 tmp;
u32 tmp2;
s32 firstIndex;
u32 c;
compressedLength = compressedData[5] + (compressedData[6] << 8);
bytesWritten = 0;
currentByte = 0;
cmdBit = 8;
s32 compressedLength = compressedData[5] + (compressedData[6] << 8);
s32 bytesWritten = 0;
s32 currentByte = 0;
s32 cmdBit = 8;
DecompressAT_Init(result);
@ -268,41 +238,43 @@ static u32 DecompressATGlobal(u32 *result, s32 resultLength, const char *compres
&& compressedData[1] == 'T'
&& compressedData[2] == '4'
&& compressedData[3] == 'P') {
tmp2 = compressedData[0x10] + (compressedData[0x11] << 8);
if (resultLength != 0 && resultLength != tmp2)
s32 checkLength = compressedData[0x10] + (compressedData[0x11] << 8);
if (resultLength != 0 && resultLength != checkLength)
return bytesWritten;
curIndex = 0x12;
} else if (compressedData[0] == 'A'
firstIndex = 0x12;
}
else if (compressedData[0] == 'A'
&& compressedData[1] == 'T'
&& compressedData[2] == '3'
&& compressedData[3] == 'P') {
curIndex = 0x10;
} else {
firstIndex = 0x10;
}
else {
return 0;
}
if (compressedData[4] == 'N') {
// uncompressed mode, unused
for (bytesWritten = 0; bytesWritten < compressedLength; bytesWritten++) {
DecompressAT_AppendByte(compressedData[bytesWritten + 7]);
for (curIndex = 0; curIndex < compressedLength; curIndex++) {
DecompressAT_AppendByte(compressedData[curIndex + 7]);
}
DecompressAT_Finish();
return bytesWritten;
return curIndex;
}
flags1 = compressedData[0x7] + 3;
flags2 = compressedData[0x8] + 3;
flags3 = compressedData[0x9] + 3;
flags4 = compressedData[0xa] + 3;
flags5 = compressedData[0xb] + 3;
flags6 = compressedData[0xc] + 3;
flags7 = compressedData[0xd] + 3;
flags8 = compressedData[0xe] + 3;
flags9 = compressedData[0xf] + 3;
flags[0] = compressedData[0x7] + 3;
flags[1] = compressedData[0x8] + 3;
flags[2] = compressedData[0x9] + 3;
flags[3] = compressedData[0xa] + 3;
flags[4] = compressedData[0xb] + 3;
flags[5] = compressedData[0xc] + 3;
flags[6] = compressedData[0xd] + 3;
flags[7] = compressedData[0xe] + 3;
flags[8] = compressedData[0xf] + 3;
if (curIndex < compressedLength) {
curIndex = firstIndex;
do {
while (curIndex < compressedLength) {
if (resultLength != 0 && bytesWritten >= resultLength)
return 0;
@ -312,18 +284,18 @@ static u32 DecompressATGlobal(u32 *result, s32 resultLength, const char *compres
}
if ((currentByte & 0x80) == 0) {
// if bit is unset, process command
command = (compressedData[curIndex] >> 4) + 3;
tmp2 = (compressedData[curIndex] & 0xf) << 8;
s32 command = (compressedData[curIndex] >> 4) + 3;
s32 tmp2 = (compressedData[curIndex] & 0xf) << 8;
if (command == flags1) command = 0x1f;
if (command == flags2) command = 0x1e;
if (command == flags3) command = 0x1d;
if (command == flags4) command = 0x1c;
if (command == flags5) command = 0x1b;
if (command == flags6) command = 0x1a;
if (command == flags7) command = 0x19;
if (command == flags8) command = 0x18;
if (command == flags9) command = 0x17;
if (command == flags[0]) command = 0x1f;
if (command == flags[1]) command = 0x1e;
if (command == flags[2]) command = 0x1d;
if (command == flags[3]) command = 0x1c;
if (command == flags[4]) command = 0x1b;
if (command == flags[5]) command = 0x1a;
if (command == flags[6]) command = 0x19;
if (command == flags[7]) command = 0x18;
if (command == flags[8]) command = 0x17;
switch (command) {
case 0x1f: { // aaaa
@ -382,493 +354,31 @@ static u32 DecompressATGlobal(u32 *result, s32 resultLength, const char *compres
break;
}
default: {
tmp = compressedData[curIndex++, curIndex++] + tmp2 - 0x1000 + bytesWritten;
for (; command != 0; tmp++, command--) {
DecompressAT_AppendByte(DecompressAT_GetByte(tmp)); bytesWritten++;
s32 i;
s32 a;
curIndex++;
tmp2 += compressedData[curIndex++];
a = tmp2 - 0x1000;
tmp2 = a + bytesWritten;
for (i = 0; i < command; i++) {
DecompressAT_AppendByte(DecompressAT_GetByte(tmp2)); bytesWritten++;
tmp2++;
}
}
}
} else {
}
else {
// if bit is set, just copy next byte
DecompressAT_AppendByte(compressedData[curIndex]); bytesWritten++;
curIndex++;
}
cmdBit++;
currentByte <<= 1;
} while (curIndex < compressedLength);
DecompressAT_Finish();
}
DecompressAT_Finish();
return bytesWritten;
#else
asm_unified(
"DecompressATGlobal:\n"
" push {r4-r7,lr}\n"
" mov r7, r10\n"
" mov r6, r9\n"
" mov r5, r8\n"
" push {r5-r7}\n"
" sub sp, 0x34\n"
" str r1, [sp, 0x24]\n"
" mov r10, r2\n"
" ldrb r2, [r2, 0x5]\n"
" mov r3, r10\n"
" ldrb r1, [r3, 0x6]\n"
" lsls r1, 8\n"
" adds r2, r1\n"
" str r2, [sp, 0x28]\n"
" movs r1, 0\n"
" mov r9, r1\n"
" movs r2, 0\n"
" str r2, [sp, 0x2C]\n"
" movs r3, 0x8\n"
" str r3, [sp, 0x30]\n"
" bl DecompressAT_Init\n"
" mov r1, r10\n"
" ldrb r0, [r1]\n"
" cmp r0, 0x41\n"
" bne _0800AE90\n"
" ldrb r0, [r1, 0x1]\n"
" adds r1, r0, 0\n"
" cmp r1, 0x54\n"
" bne _0800AE98\n"
" mov r2, r10\n"
" ldrb r0, [r2, 0x2]\n"
" cmp r0, 0x34\n"
" bne _0800AE98\n"
" ldrb r0, [r2, 0x3]\n"
" cmp r0, 0x50\n"
" bne _0800AE98\n"
" ldrb r1, [r2, 0x10]\n"
" ldrb r0, [r2, 0x11]\n"
" lsls r0, 8\n"
" adds r1, r0\n"
" ldr r3, [sp, 0x24]\n"
" cmp r3, 0\n"
" beq _0800AE94\n"
" cmp r3, r1\n"
" beq _0800AE94\n"
"_0800AE90:\n"
" movs r0, 0\n"
" b _0800B1AA\n"
"_0800AE94:\n"
" movs r1, 0x12\n"
" b _0800AEB2\n"
"_0800AE98:\n"
" mov r2, r10\n"
" ldrb r0, [r2]\n"
" cmp r0, 0x41\n"
" bne _0800AE90\n"
" cmp r1, 0x54\n"
" bne _0800AE90\n"
" ldrb r0, [r2, 0x2]\n"
" cmp r0, 0x33\n"
" bne _0800AE90\n"
" ldrb r0, [r2, 0x3]\n"
" cmp r0, 0x50\n"
" bne _0800AE90\n"
" movs r1, 0x10\n"
"_0800AEB2:\n"
" mov r3, r10\n"
" ldrb r0, [r3, 0x4]\n"
" cmp r0, 0x4E\n"
" bne _0800AEE0\n"
" movs r0, 0\n"
" mov r8, r0\n"
" ldr r1, [sp, 0x28]\n"
" cmp r8, r1\n"
" bge _0800AED8\n"
"_0800AEC4:\n"
" mov r0, r8\n"
" add r0, r10\n"
" ldrb r0, [r0, 0x7]\n"
" bl DecompressAT_AppendByte\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" ldr r3, [sp, 0x28]\n"
" cmp r8, r3\n"
" blt _0800AEC4\n"
"_0800AED8:\n"
" bl DecompressAT_Finish\n"
" mov r0, r8\n"
" b _0800B1AA\n"
"_0800AEE0:\n"
" mov r2, r10\n"
" ldrb r0, [r2, 0x7]\n"
" adds r0, 0x3\n"
" str r0, [sp]\n"
" ldrb r0, [r2, 0x8]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x4]\n"
" ldrb r0, [r2, 0x9]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x8]\n"
" ldrb r0, [r2, 0xA]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0xC]\n"
" ldrb r0, [r2, 0xB]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x10]\n"
" ldrb r0, [r2, 0xC]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x14]\n"
" ldrb r0, [r2, 0xD]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x18]\n"
" ldrb r0, [r2, 0xE]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x1C]\n"
" ldrb r0, [r2, 0xF]\n"
" adds r0, 0x3\n"
" str r0, [sp, 0x20]\n"
" mov r8, r1\n"
" ldr r3, [sp, 0x28]\n"
" cmp r8, r3\n"
" blt _0800AF22\n"
" b _0800B1A4\n"
"_0800AF22:\n"
" ldr r0, [sp, 0x24]\n"
" cmp r0, 0\n"
" beq _0800AF2C\n"
" cmp r9, r0\n"
" bge _0800AE90\n"
"_0800AF2C:\n"
" ldr r1, [sp, 0x30]\n"
" cmp r1, 0x8\n"
" bne _0800AF42\n"
" mov r0, r10\n"
" add r0, r8\n"
" ldrb r0, [r0]\n"
" str r0, [sp, 0x2C]\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" movs r3, 0\n"
" str r3, [sp, 0x30]\n"
"_0800AF42:\n"
" movs r0, 0x80\n"
" ldr r1, [sp, 0x2C]\n"
" ands r0, r1\n"
" cmp r0, 0\n"
" beq _0800AF4E\n"
" b _0800B180\n"
"_0800AF4E:\n"
" mov r2, r10\n"
" add r2, r8\n"
" ldrb r1, [r2]\n"
" lsrs r0, r1, 4\n"
" adds r3, r0, 0x3\n"
" movs r0, 0xF\n"
" ands r0, r1\n"
" lsls r7, r0, 8\n"
" ldr r0, [sp]\n"
" cmp r3, r0\n"
" bne _0800AF66\n"
" movs r3, 0x1F\n"
"_0800AF66:\n"
" ldr r0, [sp, 0x4]\n"
" cmp r3, r0\n"
" bne _0800AF6E\n"
" movs r3, 0x1E\n"
"_0800AF6E:\n"
" ldr r0, [sp, 0x8]\n"
" cmp r3, r0\n"
" bne _0800AF76\n"
" movs r3, 0x1D\n"
"_0800AF76:\n"
" ldr r0, [sp, 0xC]\n"
" cmp r3, r0\n"
" bne _0800AF7E\n"
" movs r3, 0x1C\n"
"_0800AF7E:\n"
" ldr r0, [sp, 0x10]\n"
" cmp r3, r0\n"
" bne _0800AF86\n"
" movs r3, 0x1B\n"
"_0800AF86:\n"
" ldr r0, [sp, 0x14]\n"
" cmp r3, r0\n"
" bne _0800AF8E\n"
" movs r3, 0x1A\n"
"_0800AF8E:\n"
" ldr r0, [sp, 0x18]\n"
" cmp r3, r0\n"
" bne _0800AF96\n"
" movs r3, 0x19\n"
"_0800AF96:\n"
" ldr r0, [sp, 0x1C]\n"
" cmp r3, r0\n"
" bne _0800AF9E\n"
" movs r3, 0x18\n"
"_0800AF9E:\n"
" ldr r0, [sp, 0x20]\n"
" cmp r3, r0\n"
" bne _0800AFA6\n"
" movs r3, 0x17\n"
"_0800AFA6:\n"
" adds r0, r3, 0\n"
" subs r0, 0x17\n"
" cmp r0, 0x8\n"
" bls _0800AFB0\n"
" b _0800B13C\n"
"_0800AFB0:\n"
" lsls r0, 2\n"
" ldr r1, _0800AFBC\n"
" adds r0, r1\n"
" ldr r0, [r0]\n"
" mov pc, r0\n"
" .align 2, 0\n"
"_0800AFBC: .4byte _0800AFC0\n"
" .align 2, 0\n"
"_0800AFC0:\n"
" .4byte _0800B104\n"
" .4byte _0800B0DE\n"
" .4byte _0800B0BA\n"
" .4byte _0800B090\n"
" .4byte _0800B06E\n"
" .4byte _0800B048\n"
" .4byte _0800B024\n"
" .4byte _0800AFFE\n"
" .4byte _0800AFE4\n"
"_0800AFE4:\n"
" ldrb r0, [r2]\n"
" movs r1, 0xF\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" ands r1, r0\n"
" lsls r4, r1, 4\n"
" orrs r4, r1\n"
" adds r0, r4, 0\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" b _0800B128\n"
"_0800AFFE:\n"
" ldrb r0, [r2]\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" movs r1, 0xF\n"
" lsls r0, r6, 4\n"
" adds r4, r6, 0x1\n"
" ands r4, r1\n"
" orrs r0, r4\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" lsls r0, r4, 4\n"
" orrs r0, r4\n"
" lsls r0, 24\n"
" lsrs r0, 24\n"
" b _0800B12A\n"
"_0800B024:\n"
" ldrb r0, [r2]\n"
" movs r1, 0xF\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" adds r5, r6, 0\n"
" ands r5, r1\n"
" lsls r4, r5, 4\n"
" subs r0, r6, 0x1\n"
" ands r0, r1\n"
" orrs r0, r4\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" orrs r4, r5\n"
" b _0800B128\n"
"_0800B048:\n"
" ldrb r0, [r2]\n"
" movs r5, 0xF\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" adds r4, r6, 0\n"
" ands r4, r5\n"
" lsls r0, r4, 4\n"
" orrs r0, r4\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" subs r0, r6, 0x1\n"
" ands r0, r5\n"
" lsls r0, 4\n"
" orrs r0, r4\n"
" b _0800B12A\n"
"_0800B06E:\n"
" ldrb r0, [r2]\n"
" movs r5, 0xF\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" adds r1, r6, 0\n"
" ands r1, r5\n"
" lsls r4, r1, 4\n"
" adds r0, r4, 0\n"
" orrs r0, r1\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" subs r0, r6, 0x1\n"
" b _0800B124\n"
"_0800B090:\n"
" ldrb r0, [r2]\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" movs r1, 0xF\n"
" lsls r0, r6, 4\n"
" subs r4, r6, 0x1\n"
" ands r4, r1\n"
" orrs r0, r4\n"
" lsls r0, 24\n"
" lsrs r0, 24\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" lsls r0, r4, 4\n"
" orrs r0, r4\n"
" lsls r0, 24\n"
" lsrs r0, 24\n"
" b _0800B12A\n"
"_0800B0BA:\n"
" ldrb r0, [r2]\n"
" movs r1, 0xF\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" adds r5, r6, 0\n"
" ands r5, r1\n"
" lsls r4, r5, 4\n"
" adds r0, r6, 0x1\n"
" ands r0, r1\n"
" orrs r0, r4\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" orrs r4, r5\n"
" b _0800B128\n"
"_0800B0DE:\n"
" ldrb r0, [r2]\n"
" movs r5, 0xF\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" adds r4, r6, 0\n"
" ands r4, r5\n"
" lsls r0, r4, 4\n"
" orrs r0, r4\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" adds r0, r6, 0x1\n"
" ands r0, r5\n"
" lsls r0, 4\n"
" orrs r0, r4\n"
" b _0800B12A\n"
"_0800B104:\n"
" ldrb r0, [r2]\n"
" movs r5, 0xF\n"
" movs r6, 0xF\n"
" ands r6, r0\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" adds r1, r6, 0\n"
" ands r1, r5\n"
" lsls r4, r1, 4\n"
" adds r0, r4, 0\n"
" orrs r0, r1\n"
" bl DecompressAT_AppendByte\n"
" movs r3, 0x1\n"
" add r9, r3\n"
" adds r0, r6, 0x1\n"
"_0800B124:\n"
" ands r0, r5\n"
" orrs r4, r0\n"
"_0800B128:\n"
" adds r0, r4, 0\n"
"_0800B12A:\n"
" bl DecompressAT_AppendByte\n"
" movs r0, 0x1\n"
" add r9, r0\n"
" ldr r5, [sp, 0x30]\n"
" adds r5, 0x1\n"
" ldr r1, [sp, 0x2C]\n"
" lsls r4, r1, 1\n"
" b _0800B198\n"
"_0800B13C:\n"
" movs r2, 0x1\n"
" add r8, r2\n"
" mov r0, r10\n"
" add r0, r8\n"
" ldrb r0, [r0]\n"
" adds r7, r0\n"
" add r8, r2\n"
" ldr r1, _0800B17C\n"
" adds r0, r7, r1\n"
" mov r2, r9\n"
" adds r7, r0, r2\n"
" ldr r5, [sp, 0x30]\n"
" adds r5, 0x1\n"
" ldr r0, [sp, 0x2C]\n"
" lsls r4, r0, 1\n"
" cmp r3, 0\n"
" beq _0800B198\n"
" adds r6, r3, 0\n"
"_0800B160:\n"
" adds r0, r7, 0\n"
" bl DecompressAT_GetByte\n"
" lsls r0, 24\n"
" lsrs r0, 24\n"
" bl DecompressAT_AppendByte\n"
" movs r1, 0x1\n"
" add r9, r1\n"
" adds r7, 0x1\n"
" subs r6, 0x1\n"
" cmp r6, 0\n"
" bne _0800B160\n"
" b _0800B198\n"
" .align 2, 0\n"
"_0800B17C: .4byte 0xfffff000\n"
"_0800B180:\n"
" mov r0, r10\n"
" add r0, r8\n"
" ldrb r0, [r0]\n"
" bl DecompressAT_AppendByte\n"
" movs r2, 0x1\n"
" add r9, r2\n"
" add r8, r2\n"
" ldr r5, [sp, 0x30]\n"
" adds r5, 0x1\n"
" ldr r3, [sp, 0x2C]\n"
" lsls r4, r3, 1\n"
"_0800B198:\n"
" str r5, [sp, 0x30]\n"
" str r4, [sp, 0x2C]\n"
" ldr r0, [sp, 0x28]\n"
" cmp r8, r0\n"
" bge _0800B1A4\n"
" b _0800AF22\n"
"_0800B1A4:\n"
" bl DecompressAT_Finish\n"
" mov r0, r9\n"
"_0800B1AA:\n"
" add sp, 0x34\n"
" pop {r3-r5}\n"
" mov r8, r3\n"
" mov r9, r4\n"
" mov r10, r5\n"
" pop {r4-r7}\n"
" pop {r1}\n"
" bx r1");
#endif
}
static void DecompressAT_Init(u32 *buffer)

View File

@ -1919,41 +1919,32 @@ UNUSED static void nullsub_157(void)
{
}
// https://decomp.me/scratch/4tFKb
void sub_8007AA4(UnkTextStruct1 *a0, u32 a1, s32 x, s32 y, s32 a4, u32 color)
void sub_8007AA4(struct UnkTextStruct1 *a0, u32 a1, s32 x, s32 y, s32 a4, u32 color)
{
s32 r2;
s32 r3;
UnkTextStruct1 *r4;
u32 ip;
u32 *dest;
struct unkStruct_80B8848 dataLOL;
struct UnkTextStruct1 *r4 = &a0[a1];
u32 ip = gUnknown_80B853C[color & 0xF] + 0x11111111;
struct unkStruct_80B8848 dataLOL = gUnknown_80B8848;
s32 r3 = y / 8;
u32 *dest = r4->unk18 + ((r4->unk4 * r3 + x / 8) * 8);
s32 r2 = x / 8;
r4 = &a0[a1];
ip = gUnknown_80B853C[color & 0xF] + 0x11111111;
#ifndef NONMATCHING
asm("" : : : "r8");
#endif // NONMATCHING
dataLOL = gUnknown_80B8848;
a4++; a4--;
r3 = y / 8;
dest = r4->unk18 + ((r4->unk4 * r3 + x / 8) * 8);
r2 = x / 8;
dest += r3 * -8 + y;
ip &= dataLOL.arr[x & 7];
if (r2 >= r4->unk4)
return;
goto thecheck;
label:
if (r2 < r4->unk4) {
// This goto looks like a fakematch, but I couldn't get it to work otherwise.
goto LOOP_MIDDLE;
while (1) {
y++;
dest++;
if ((y % 8) == 0)
dest += r4->unk20;
a4--;
thecheck:
if (a4 <= 0 || r3 >= r4->unk8)
LOOP_MIDDLE:
if (a4 <= 0)
return;
if (r3 >= r4->unk8)
return;
dest[0] |= ip;
@ -1962,7 +1953,8 @@ thecheck:
r4->unk3C = dest;
if (r4->unk40 < dest)
r4->unk40 = dest;
goto label;
}
}
}
void sub_8007B7C(u32 a0, s32 x, s32 y, s32 a3, u32 color)