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desmume
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core: 

- ignore writting to the GPU engine control registers when it disabled in POW register (ex. Youshi Touch Go send commands to GE, but 3D GE bit in POW register disabled);
This commit is contained in:
mtabachenko 2010-07-28 08:50:20 +00:00
parent e4fcfb08af
commit 82db2206b0
1 changed files with 30 additions and 0 deletions
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30
desmume/src/MMU.cpp
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@ -1924,6 +1924,17 @@ void FASTCALL _MMU_ARM9_write08(u32 adr, u8 val)
if (adr >> 24 == 4)
{
// TODO: add pal reg
if (nds.power1.gpuMain == 0)
if ((adr >= 0x04000008) && (adr<=0x0400005F)) return;
if (nds.power1.gpuSub == 0)
if ((adr >= 0x04001008) && (adr<=0x0400105F)) return;
if (nds.power1.gfx3d_geometry == 0)
if ((adr >= 0x04000400) && (adr<=0x040006FF)) return;
if (nds.power1.gfx3d_render == 0)
if ((adr >= 0x04000320) && (adr<=0x040003FF)) return;
if(MMU_new.is_dma(adr)) {
MMU_new.write_dma(ARMCPU_ARM9,8,adr,val);
return;
@ -2188,6 +2199,16 @@ void FASTCALL _MMU_ARM9_write16(u32 adr, u16 val)
if((adr >> 24) == 4)
{
// TODO: add pal reg
if (nds.power1.gpuMain == 0)
if ((adr >= 0x04000008) && (adr<=0x0400005F)) return;
if (nds.power1.gpuSub == 0)
if ((adr >= 0x04001008) && (adr<=0x0400105F)) return;
if (nds.power1.gfx3d_geometry == 0)
if ((adr >= 0x04000400) && (adr<=0x040006FF)) return;
if (nds.power1.gfx3d_render == 0)
if ((adr >= 0x04000320) && (adr<=0x040003FF)) return;
if(MMU_new.is_dma(adr)) {
if(val==0x02e9) {
int zzz=9;
@ -2654,6 +2675,15 @@ void FASTCALL _MMU_ARM9_write32(u32 adr, u32 val)
if((adr>>24)==4)
{
// TODO: add pal reg
if (nds.power1.gpuMain == 0)
if ((adr >= 0x04000008) && (adr<=0x0400005F)) return;
if (nds.power1.gpuSub == 0)
if ((adr >= 0x04001008) && (adr<=0x0400105F)) return;
if (nds.power1.gfx3d_geometry == 0)
if ((adr >= 0x04000400) && (adr<=0x040006FF)) return;
if (nds.power1.gfx3d_render == 0)
if ((adr >= 0x04000320) && (adr<=0x040003FF)) return;
// MightyMax: no need to do several ifs, when only one can happen
// switch/case instead