// Handle the EE transfer.
static __fi void HandleEETransfer()
{
if(sif0dma.chcr.STR == false)
{
//DevCon.Warning("Replacement for irq prevention hack EE SIF0");
sif0.ee.end = false;
sif0.ee.busy = false;
return;
}
if (dmacRegs.ctrl.STS == STS_SIF0)
{
DevCon.Warning("SIF0 stall control");
}
/*if (sif0dma.qwc == 0)
if (sif0dma.chcr.MOD == NORMAL_MODE)
if (!sif0.ee.end){
DevCon.Warning("sif0 irq prevented");
done = true;
return;
}*/
if (sif0dma.qwc <= 0)
{
if ((sif0dma.chcr.MOD == NORMAL_MODE) || sif0.ee.end)
{
// Stop transferring ee, and signal an interrupt.
done = true;
EndEE();
}
else if (sif0.fifo.size >= 4) // Read a tag
{
// Read Fifo into an ee tag, transfer it to sif0dma
// and process it.
ProcessEETag();
}
}
if (sif0dma.qwc > 0) // If we're writing something, continue to do so.
{
// Write from Fifo to EE.
if (sif0.fifo.size > 0)
{
WriteFifoToEE();
}
}
}
// Handle the EE transfer.
static __fi void HandleEETransfer()
{
if(sif1dma.chcr.STR == false)
{
//DevCon.Warning("Replacement for irq prevention hack EE SIF1");
sif1.ee.end = false;
sif1.ee.busy = false;
return;
}
if (dmacRegs.ctrl.STD == STD_SIF1)
{
DevCon.Warning("SIF1 stall control"); // STD == fromSIF1
}
/*if (sif1dma.qwc == 0)
if (sif1dma.chcr.MOD == NORMAL_MODE)
if (!sif1.ee.end){
DevCon.Warning("sif1 irq prevented CHCR %x QWC %x", sif1dma.chcr, sif1dma.qwc);
done = true;
return;
}*/
// If there's no more to transfer.
if (sif1dma.qwc <= 0)
{
// If NORMAL mode or end of CHAIN then stop DMA.
if ((sif1dma.chcr.MOD == NORMAL_MODE) || sif1.ee.end)
{
done = true;
EndEE();
}
else
{
done = false;
if (!ProcessEETag()) return;
}
}
else
{
if (sif1.fifo.sif_free() > 0)
{
WriteEEtoFifo();
}
}
}
