static WRITE8_HANDLER( ddrible_vlm5030_ctrl_w )
{
UINT8 *SPEECH_ROM = memory_region(REGION_SOUND1);
/* b7 : vlm data bus OE */
/* b6 : VLM5030-RST */
/* b5 : VLM5030-ST */
/* b4 : VLM5300-VCU */
/* b3 : ROM bank select */
if (sndti_exists(SOUND_VLM5030, 0))
{
VLM5030_RST( data & 0x40 ? 1 : 0 );
VLM5030_ST( data & 0x20 ? 1 : 0 );
VLM5030_VCU( data & 0x10 ? 1 : 0 );
VLM5030_set_rom(&SPEECH_ROM[data & 0x08 ? 0x10000 : 0]);
}
/* b2 : SSG-C rc filter enable */
/* b1 : SSG-B rc filter enable */
/* b0 : SSG-A rc filter enable */
if (sndti_exists(SOUND_FILTER_RC, 2))
{
filter_rc_set_RC(2,FLT_RC_LOWPASS, 1000,2200,1000,data & 0x04 ? CAP_N(150) : 0); /* YM2203-SSG-C */
filter_rc_set_RC(1,FLT_RC_LOWPASS, 1000,2200,1000,data & 0x02 ? CAP_N(150) : 0); /* YM2203-SSG-B */
filter_rc_set_RC(0,FLT_RC_LOWPASS, 1000,2200,1000,data & 0x01 ? CAP_N(150) : 0); /* YM2203-SSG-A */
}
}
VLM5030* vlm5030Create(Mixer* mixer, UInt8* voiceData, int length)
{
VLM5030* vlm5030;
vlm5030 = (VLM5030*)calloc(1, sizeof(VLM5030));
vlm5030->mixer = mixer;
vlm5030->handle = mixerRegisterChannel(mixer, MIXER_CHANNEL_PCM, 0, vlm5030Sync, vlm5030);
vlm5030_start(FREQUENCY);
VLM5030_set_rom(voiceData, length);
theVlm5030 = vlm5030;
return vlm5030;
}
static WRITE_HANDLER( ddrible_vlm5030_ctrl_w )
{
unsigned char *SPEECH_ROM = memory_region(REGION_SOUND1);
/* b7 : vlm data bus OE */
/* b6 : VLM5030-RST */
/* b5 : VLM5030-ST */
/* b4 : VLM5300-VCU */
/* b3 : ROM bank select */
VLM5030_RST( data & 0x40 ? 1 : 0 );
VLM5030_ST( data & 0x20 ? 1 : 0 );
VLM5030_VCU( data & 0x10 ? 1 : 0 );
VLM5030_set_rom(&SPEECH_ROM[data & 0x08 ? 0x10000 : 0]);
/* b2 : SSG-C rc filter enable */
/* b1 : SSG-B rc filter enable */
/* b0 : SSG-A rc filter enable */
set_RC_filter(2,1000,2200,1000,data & 0x04 ? 150000 : 0); /* YM2203-SSG-C */
set_RC_filter(1,1000,2200,1000,data & 0x02 ? 150000 : 0); /* YM2203-SSG-B */
set_RC_filter(0,1000,2200,1000,data & 0x01 ? 150000 : 0); /* YM2203-SSG-A */
}