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Allow use of wrong LZ77 destination

This commit is contained in:
Jeffrey Pfau 2013-04-22 22:55:49 -07:00
parent 11d1de39e1
commit 21704ab37a
1 changed files with 11 additions and 3 deletions
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10
src/gba/gba-bios.c
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@ -88,11 +88,19 @@ void GBASwi16(struct ARMBoard* board, int immediate) {
_FastCpuSet(gba);
break;
case 0x11:
case 0x12:
switch (gba->cpu.gprs[1] >> BASE_OFFSET) {
case REGION_WORKING_RAM:
_unLz77(&gba->memory, gba->cpu.gprs[0], &((uint8_t*) gba->memory.wram)[(gba->cpu.gprs[1] & (SIZE_WORKING_RAM - 1))]);
break;
case 0x12:
case REGION_VRAM:
_unLz77(&gba->memory, gba->cpu.gprs[0], &((uint8_t*) gba->video.vram)[(gba->cpu.gprs[1] & 0x0001FFFF)]);
break;
default:
GBALog(GBA_LOG_WARN, "Bad LZ77 destination");
break;
}
break;
case 0x1F:
_MidiKey2Freq(gba);
break;