static READ8_DEVICE_HANDLER( r6532_portb_r )
{
UINT8 newdata = riot6532_portb_in_get(device);
if (has_tms5220)
{
running_device *tms = devtag_get_device(device->machine, "tms");
newdata &= ~0x0c;
if (tms5220_readyq_r(tms)) newdata |= 0x04;
if (tms5220_intq_r(tms)) newdata |= 0x08;
}
return newdata;
}
/*
TMS7041 PORT A
A0 - X1 NDSR A8
A1 - X1 MDTR A9
A2 - R - TMS7020 port B bit 0 (REV2)
A3 - TMS5220 IRQ
A4 - R - TMS7020 port B bit 1 (REV4)
A5 - X1 RXD A4 (version b) / WX301-14 (version a)
A6 - X1 SCLK A9
A7 - TMS5220 RDY
*/
static READ8_HANDLER(tms7041_porta_r)
{
exelv_state *state = space->machine().driver_data<exelv_state>();
device_t *tms5220c = space->machine().device( "tms5220c" );
UINT8 data = 0x00;
logerror("tms7041_porta_r\n");
data |= ( state->m_tms7020_portb & 0x01 ) ? 0x04 : 0x00;
data |= tms5220_intq_r( tms5220c ) ? 0x08 : 0x00;
data |= ( state->m_tms7020_portb & 0x02 ) ? 0x10 : 0x00;
data |= tms5220_readyq_r( tms5220c ) ? 0x80 : 0x00;
return data;
}
static READ8_DEVICE_HANDLER( r6532_porta_r )
{
/* Configured as follows: */
/* d7 (in) Main Ready Flag */
/* d6 (in) Sound Ready Flag */
/* d5 (out) Mute Speech */
/* d4 (in) Not Sound Self Test */
/* d3 (out) Hold Main CPU in Reset? */
/* + enable delay circuit? */
/* d2 (in) TMS5220 Not Ready */
/* d1 (out) TMS5220 Not Read */
/* d0 (out) TMS5220 Not Write */
/* Note: bit 4 is always set to avoid sound self test */
UINT8 olddata = riot6532_porta_in_get(device);
return (olddata & 0xc0) | 0x10 | (tms5220_readyq_r(devtag_get_device(device->machine, "tms")) << 2);
}
static READ8_HANDLER( speech_ready_r )
{
return (tms5220_readyq_r(space->machine->device("tms"))) << 7;
}
static READ8_HANDLER( speech_ready_r )
{
return (tms5220_readyq_r(devtag_get_device(space->machine, "tms"))) << 7;
}
