void update_pif_write()
{
int i=0, channel=0;
#ifdef DEBUG_PIF
printf("write\n");
print_pif();
#endif
if (PIF_RAMb[0x3F] > 1)
{
switch (PIF_RAMb[0x3F])
{
case 0x02:
for (i=0; i<sizeof(pif2_lut)/32; i++)
{
if (!memcmp(PIF_RAMb + 64-2*8, pif2_lut[i][0], 16))
{
memcpy(PIF_RAMb + 64-2*8, pif2_lut[i][1], 16);
return;
}
}
printf("unknown pif2 code:\n");
for (i=(64-2*8)/8; i<(64/8); i++)
printf("%x %x %x %x | %x %x %x %x\n",
PIF_RAMb[i*8+0], PIF_RAMb[i*8+1],PIF_RAMb[i*8+2], PIF_RAMb[i*8+3],
PIF_RAMb[i*8+4], PIF_RAMb[i*8+5],PIF_RAMb[i*8+6], PIF_RAMb[i*8+7]);
break;
case 0x08:
PIF_RAMb[0x3F] = 0;
break;
default:
printf("error in update_pif_write : %x\n", PIF_RAMb[0x3F]);
}
return;
}
while (i<0x40)
{
switch(PIF_RAMb[i])
{
case 0x00:
channel++;
if (channel > 6) i=0x40;
break;
case 0xFF:
break;
default:
if (!(PIF_RAMb[i] & 0xC0))
{
if (channel < 4)
{
if (Controls[channel].Present &&
Controls[channel].RawData)
controllerCommand(channel, &PIF_RAMb[i]);
else
internal_ControllerCommand(channel, &PIF_RAMb[i]);
}
else if (channel == 4)
EepromCommand(&PIF_RAMb[i]);
else
printf("channel >= 4 in update_pif_write\n");
i += PIF_RAMb[i] + (PIF_RAMb[(i+1)] & 0x3F) + 1;
channel++;
}
else
i=0x40;
}
i++;
}
//PIF_RAMb[0x3F] = 0;
controllerCommand(-1, NULL);
#ifdef DEBUG_PIF
print_pif();
#endif
}
void PifRamWrite (void) {
int Channel, CurPos;
Channel = 0;
if( PIF_Ram[0x3F] > 0x1) {
switch (PIF_Ram[0x3F]) {
case 0x08:
PIF_Ram[0x3F] = 0;
MI_INTR_REG |= MI_INTR_SI;
SI_STATUS_REG |= SI_STATUS_INTERRUPT;
CheckInterrupts();
break;
case 0x10:
memset(PifRom,0,0x7C0);
break;
case 0x30:
PIF_Ram[0x3F] = 0x80;
break;
case 0xC0:
memset(PIF_Ram,0,0x40);
break;
default:
if (ShowPifRamErrors) { DisplayError("Unkown PifRam control: %d",PIF_Ram[0x3F]); }
}
return;
}
for (CurPos = 0; CurPos < 0x40; CurPos++){
switch(PIF_Ram[CurPos]) {
case 0x00:
Channel += 1;
if (Channel > 6) { CurPos = 0x40; }
break;
case 0xFE: CurPos = 0x40; break;
case 0xFF: break;
case 0xB4: case 0x56: case 0xB8: break; /* ??? */
default:
if ((PIF_Ram[CurPos] & 0xC0) == 0) {
if (Channel < 4) {
if (Controllers[Channel].Present && Controllers[Channel].RawData) {
if (ControllerCommand) { ControllerCommand(Channel,&PIF_Ram[CurPos]); }
} else {
ProcessControllerCommand(Channel,&PIF_Ram[CurPos]);
}
} else if (Channel == 4) {
EepromCommand(&PIF_Ram[CurPos]);
} else {
#ifndef EXTERNAL_RELEASE
DisplayError("Command on channel 5?");
#endif
}
CurPos += PIF_Ram[CurPos] + (PIF_Ram[CurPos + 1] & 0x3F) + 1;
Channel += 1;
} else {
if (ShowPifRamErrors) { DisplayError("Unknown Command in PifRamWrite(%X)",PIF_Ram[CurPos]); }
CurPos = 0x40;
}
break;
}
}
PIF_Ram[0x3F] = 0;
if (ControllerCommand) { ControllerCommand(-1,NULL); }
}
