void GPUwritereg32(u32 addr, u32 data) //1eb00000 + addr
{
GPUDEBUG("GPU write %08x to %08x\n",data,addr);
if (addr >= 0x420000) {
GPUDEBUG("write out of range write\r\n");
return;
}
*(uint32_t*)(&IObuffer[addr]) = data;
switch (addr) {
default:
break;
}
}
u32 convertvirtualtopys(u32 addr) //todo
{
if (addr >= 0x14000000 && addr < 0x1C000000)return addr + 0xC000000; //FCRAM
if (addr >= 0x1F000000 && addr < 0x1F600000)return addr - 0x7000000; //VRAM
GPUDEBUG("can't convert vitual to py %08x\n",addr);
return 0;
}
u32 gpu_ConvertVirtualToPhysical(u32 addr) //todo
{
if (addr >= 0x14000000 && addr < 0x1C000000)return addr + 0xC000000; //FCRAM
if (addr >= 0x1F000000 && addr < 0x1F600000)return addr - 0x7000000; //VRAM
GPUDEBUG("Can't convert virtual to physical %08x\n",addr);
return 0;
}
u32 GPUreadreg32(u32 addr)
{
//GPUDEBUG("GPU read %08x\n", addr);
if (addr >= 0x420000) {
GPUDEBUG("read out of range write\r\n");
return 0;
}
return *(uint32_t*)(&IObuffer[addr]);
}
u32 getsizeofframebuffer(u32 val)
{
switch (val) {
case 0x0201:
return 3;
default:
GPUDEBUG("unknown len %08x\n", val);
return 3;
}
}
u32 getsizeofwight(u16 val) //this is the size of pixel
{
switch (val&0x7000) { //check this
case 0x0000: //RGBA8
return 4;
case 0x1000: //RGB8
return 3;
case 0x2000: //RGB565
return 2;
case 0x3000://RGB5A1
return 2;
case 0x4000://RGBA4
return 2;
default:
GPUDEBUG("unknown len %04x\n",val);
return 2;
}
}
