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 */
}
}
static WRITE8_HANDLER( paradise_okibank_w )
{
if (data & ~0x02) logerror("CPU #0 - PC %04X: unknown oki bank bits %02X\n",activecpu_get_pc(),data);
if (sndti_exists(SOUND_OKIM6295, 1))
OKIM6295_set_bank_base(1, (data & 0x02) ? 0x40000 : 0);
}
static void filter_w(int chip, int channel, int data)
{
int C;
C = 0;
if (data & 1)
C += 220000; /* 220000pF = 0.220uF */
if (data & 2)
C += 47000; /* 47000pF = 0.047uF */
if (sndti_exists(SOUND_FILTER_RC, 3*chip + channel))
filter_rc_set_RC(3*chip + channel,FLT_RC_LOWPASS,1000,5100,0,CAP_P(C));
}
static void atari_machine_start(running_machine *machine, int type, const pia6821_interface *pia_intf, int has_cart)
{
gtia_interface gtia_intf;
atari = type;
/* GTIA */
memset(>ia_intf, 0, sizeof(gtia_intf));
if (port_tag_to_index("console") >= 0)
gtia_intf.console_read = console_read;
if (sndti_exists(SOUND_DAC, 0))
gtia_intf.console_write = console_write;
gtia_init(machine, >ia_intf);
/* pokey */
add_reset_callback(Machine, pokey_reset);
/* PIA */
if (pia_intf)
{
pia_config(0, pia_intf);
add_reset_callback(Machine, _pia_reset);
}
/* ANTIC */
add_reset_callback(Machine, _antic_reset);
/* cartridge */
if (has_cart)
add_reset_callback(Machine, cart_reset);
#ifdef MESS
{
offs_t ram_top;
offs_t ram_size;
if (!strcmp(Machine->gamedrv->name, "a400")
|| !strcmp(Machine->gamedrv->name, "a400pal")
|| !strcmp(Machine->gamedrv->name, "a800")
|| !strcmp(Machine->gamedrv->name, "a800pal")
|| !strcmp(Machine->gamedrv->name, "a800xl"))
{
ram_size = 0xA000;
}
else
{
ram_size = 0x8000;
}
/* install RAM */
ram_top = MIN(mess_ram_size, ram_size) - 1;
memory_install_read8_handler(machine, 0, ADDRESS_SPACE_PROGRAM,
0x0000, ram_top, 0, 0, SMH_BANK2);
memory_install_write8_handler(machine, 0, ADDRESS_SPACE_PROGRAM,
0x0000, ram_top, 0, 0, SMH_BANK2);
memory_set_bankptr(2, mess_ram);
}
#endif /* MESS */
/* save states */
state_save_register_global_pointer(((UINT8 *) &antic.r), sizeof(antic.r));
state_save_register_global_pointer(((UINT8 *) &antic.w), sizeof(antic.w));
}
