UInt8 y8950Read(Y8950* y8950, UInt16 ioPort)
{
switch (ioPort & 1) {
case 0:
return (UInt8)OPLRead(y8950->opl, 0);
case 1:
if (y8950->opl->address == 0x14) {
mixerSync(y8950->mixer);
}
return (UInt8)OPLRead(y8950->opl, 1);
break;
}
return 0xff;
}
void y8950GetDebugInfo(Y8950* y8950, DbgDevice* dbgDevice)
{
DbgRegisterBank* regBank;
// Add YM2413 registers
int c = 1;
int r;
for (r = 0; r < sizeof(regsAvailAY8950); r++) {
c += regsAvailAY8950[r];
}
regBank = dbgDeviceAddRegisterBank(dbgDevice, langDbgRegsAy8950(), c);
c = 0;
dbgRegisterBankAddRegister(regBank, c++, "SR", 8, (UInt8)OPLRead(y8950->opl, 0));
for (r = 0; r < sizeof(regsAvailAY8950); r++) {
if (regsAvailAY8950[r]) {
dbgRegisterBankAddRegister(regBank, c++, regText(r), 8, y8950->opl->regs[r]);
}
}
dbgDeviceAddMemoryBlock(dbgDevice, langDbgMemAy8950(), 0, 0,
y8950->opl->deltat->memory_size,
(UInt8*)y8950->opl->deltat->memory);
}
static uint32_t adlib_read(void *opaque, uint32_t nport)
{
AdlibState *s = opaque;
uint8_t data;
int a = nport & 3;
adlib_kill_timers (s);
data = OPLRead (s->opl, a);
return data;
}
static IO_READ_PROTO(adlib_read)
{
AdlibState *s = opaque;
uint8_t data;
int a = nport & 3;
adlib_kill_timers (s);
#ifdef HAS_YMF262
data = YMF262Read (0, a);
#else
data = OPLRead (s->opl, a);
#endif
return data;
}
static uint32_t adlib_read(void *opaque, uint32_t nport)
{
AdlibState *s = opaque;
uint8_t data;
int a = nport & 3;
adlib_kill_timers (s);
#ifdef HAS_YMF262
data = YMF262Read (0, a);
#else
data = OPLRead (s->opl, a);
#endif
return data;
}
