static WRITE8_HANDLER(circusc_sound_w)
{
circusc_state *state = space->machine().driver_data<circusc_state>();
switch (offset & 7)
{
/* CS2 */
case 0:
state->m_sn_latch = data;
break;
/* CS3 */
case 1:
sn76496_w(state->m_sn1, 0, state->m_sn_latch);
break;
/* CS4 */
case 2:
sn76496_w(state->m_sn2, 0, state->m_sn_latch);
break;
/* CS5 */
case 3:
dac_w(state->m_dac, 0, data);
break;
/* CS6 */
case 4:
discrete_sound_w(state->m_discrete, NODE_05, (offset & 0x20) >> 5);
discrete_sound_w(state->m_discrete, NODE_06, (offset & 0x18) >> 3);
discrete_sound_w(state->m_discrete, NODE_07, (offset & 0x40) >> 6);
break;
}
}
static WRITE8_HANDLER( spcforce_SN76496_select_w )
{
spcforce_SN76496_select = data;
if (~data & 0x40) sn76496_w(devtag_get_device(space->machine, "sn1"), 0, spcforce_SN76496_latch);
if (~data & 0x20) sn76496_w(devtag_get_device(space->machine, "sn2"), 0, spcforce_SN76496_latch);
if (~data & 0x10) sn76496_w(devtag_get_device(space->machine, "sn3"), 0, spcforce_SN76496_latch);
}
static WRITE8_HANDLER( spcforce_SN76496_select_w )
{
spcforce_state *state = space->machine->driver_data<spcforce_state>();
state->sn76496_select = data;
if (~data & 0x40) sn76496_w(space->machine->device("sn1"), 0, state->sn76496_latch);
if (~data & 0x20) sn76496_w(space->machine->device("sn2"), 0, state->sn76496_latch);
if (~data & 0x10) sn76496_w(space->machine->device("sn3"), 0, state->sn76496_latch);
}
static WRITE8_HANDLER( sound_select_w )
{
lasso_state *state = space->machine().driver_data<lasso_state>();
UINT8 to_write = BITSWAP8(*state->m_chip_data, 0, 1, 2, 3, 4, 5, 6, 7);
if (~data & 0x01) /* chip #0 */
sn76496_w(state->m_sn_1, 0, to_write);
if (~data & 0x02) /* chip #1 */
sn76496_w(state->m_sn_2, 0, to_write);
}