static WRITE8_DEVICE_HANDLER( ddribble_vlm5030_ctrl_w )
{
ddribble_state *state = device->machine().driver_data<ddribble_state>();
UINT8 *SPEECH_ROM = device->machine().region("vlm")->base();
/* b7 : vlm data bus OE */
/* b6 : VLM5030-RST */
vlm5030_rst(device, data & 0x40 ? 1 : 0);
/* b5 : VLM5030-ST */
vlm5030_st(device, data & 0x20 ? 1 : 0);
/* b4 : VLM5300-VCU */
vlm5030_vcu(device, data & 0x10 ? 1 : 0);
/* b3 : ROM bank select */
vlm5030_set_rom(device, &SPEECH_ROM[data & 0x08 ? 0x10000 : 0]);
/* b2 : SSG-C rc filter enable */
filter_rc_set_RC(state->m_filter3, FLT_RC_LOWPASS, 1000, 2200, 1000, data & 0x04 ? CAP_N(150) : 0); /* YM2203-SSG-C */
/* b1 : SSG-B rc filter enable */
filter_rc_set_RC(state->m_filter2, FLT_RC_LOWPASS, 1000, 2200, 1000, data & 0x02 ? CAP_N(150) : 0); /* YM2203-SSG-B */
/* b0 : SSG-A rc filter enable */
filter_rc_set_RC(state->m_filter1, FLT_RC_LOWPASS, 1000, 2200, 1000, data & 0x01 ? CAP_N(150) : 0); /* YM2203-SSG-A */
}
static WRITE8_DEVICE_HANDLER( punchout_speech_vcu_w )
{
vlm5030_vcu( device, data & 0x01 );
}