void GFX_FIFOcnt(u32 val)
{
u32 gxstat = T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x40], 0x600);
//INFO("GFX FIFO: write context 0x%08X (prev 0x%08X)\n", val, gxstat);
if (val & (1<<29)) // clear? (homebrew)
{
// need to flush before???
GFX_FIFOclear();
return;
}
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][0x40], 0x600, gxstat);
if (gxstat & 0xC0000000)
{
setIF(0, (1<<21));
}
}
void GFX_FIFOcnt(u32 val)
{
////INFO("gxFIFO: write cnt 0x%08X (prev 0x%08X) FIFO size %03i PIPE size %03i\n", val, gxstat, gxFIFO.size, gxPIPE.size);
if (val & (1<<29)) // clear? (only in homebrew?)
{
GFX_PIPEclear();
GFX_FIFOclear();
return;
}
//zeromus says: what happened to clear stack?
//if (val & (1<<15)) // projection stack pointer reset
//{
// gfx3d_ClearStack();
// val &= 0xFFFF5FFF; // clear reset (bit15) & stack level (bit13)
//}
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][0x40], 0x600, val);
}