static WRITE8_HANDLER( namco_54xx_O_w )
{
namco_54xx_state *state = get_safe_token(space->cpu->owner());
UINT8 out = (data & 0x0f);
if (data & 0x10)
discrete_sound_w(state->discrete, NAMCO_54XX_1_DATA(state->basenode), out);
else
discrete_sound_w(state->discrete, NAMCO_54XX_0_DATA(state->basenode), out);
}
************************************************/
DISCRETE_DAC_R1(NODE_20,
NAMCO_54XX_2_DATA(NODE_01),
4, /* 4V - unmeasured*/
&bosco_54xx_dac)
DISCRETE_OP_AMP_FILTER(BOSCO_CHANL1_SND,
1, /* ENAB */
NODE_20, /* INP0 */
0, /* INP1 - not used */
DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &bosco_chanl1_filt)
/************************************************
* CHANL2 sound
************************************************/
DISCRETE_DAC_R1(NODE_30,
NAMCO_54XX_1_DATA(NODE_01),
4, /* 4V - unmeasured*/
&bosco_54xx_dac)
DISCRETE_OP_AMP_FILTER(BOSCO_CHANL2_SND,
1, /* ENAB */
NODE_30, /* INP0 */
0, /* INP1 - not used */
DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &bosco_chanl2_filt)
/************************************************
* CHANL3 sound
************************************************/
DISCRETE_DAC_R1(NODE_40,
NAMCO_54XX_0_DATA(NODE_01),
4, /* 4V - unmeasured*/
&bosco_54xx_dac)
