static READ8_HANDLER( parodius_sound_r )
{
/* If the sound CPU is running, read the status, otherwise
just make it pass the test */
if (Machine->sample_rate != 0) return K053260_0_r(2 + offset);
else return offset ? 0x00 : 0x80;
}
static unsigned int OD_Read(unsigned int address)
{
if (address == 0x201)
{
return YM2151ReadStatus(0);
}
if (address >= 0x400 && address <= 0x42f)
{
// if reading the command latch, lower IRQ
if (address == 0x400)
{
cpu_set_irq_line(0, M6809_IRQ_LINE, CLEAR_LINE);
}
return K053260_0_r(address&0x3f);
}
if (address >= 0x600 && address <= 0x62f)
{
return K053260_1_r(address&0x3f);
}
if (address >= 0x800 && address <= 0xfff)
{
return workram[address-0x800];
}
if (address >= 0x1000)
{
return prgrom[address];
}
// printf("Unmapped read at %x\n", address);
return 0;
}
static READ16_HANDLER( asterix_sound_r )
{
return K053260_0_r(2 + offset);
}
static READ8_HANDLER( parodius_sound_r )
{
return K053260_0_r(2 + offset);
}
static READ8_HANDLER( rollerg_sound_r )
{
/* If the sound CPU is running, read the status, otherwise
just make it pass the test */
return K053260_0_r(2 + offset);
}
