void SIO_Write(pscpu_timestamp_t timestamp, uint32 A, uint32 V)
{
V <<= (A & 1) * 8;
switch(A & 0xE)
{
default:
PSX_WARNING("[SIO] Unknown write: 0x%08x 0x%08x -- %d\n", A, V, timestamp);
break;
case 0x0:
//case 0x2:
V <<= (A & 2) * 8;
DataBuffer = V;
break;
case 0x8:
Mode = V;
break;
case 0xA:
Control = V;
break;
case 0xE:
BaudRate = V;
break;
}
}
uint32 SIO_Read(pscpu_timestamp_t timestamp, uint32 A)
{
uint32 ret = 0;
switch(A & 0xE)
{
default:
PSX_WARNING("[SIO] Unknown read: 0x%08x -- %d\n", A, timestamp);
break;
case 0x0:
//case 0x2:
ret = DataBuffer >> ((A & 2) * 8);
break;
case 0x4:
ret = Status;
break;
case 0x8:
ret = Mode;
break;
case 0xA:
ret = Control;
break;
case 0xE:
ret = BaudRate;
break;
}
return(ret >> ((A & 1) * 8));
}
void PS_CPU::SetBIU(uint32 val)
{
const uint32 old_BIU = BIU;
BIU = val & ~(0x440);
#if PS_CPU_EMULATE_ICACHE
if((BIU ^ old_BIU) & 0x800)
{
if(BIU & 0x800) // ICache enabled
{
for(unsigned i = 0; i < 1024; i++)
ICache[i].TV &= ~0x1;
}
else // ICache disabled
{
for(unsigned i = 0; i < 1024; i++)
ICache[i].TV |= 0x1;
}
}
#endif
PSX_WARNING("[CPU] Set BIU=0x%08x", BIU);
}