static DEVICE_START( exidy_sound )
{
/* indicate no additional hardware */
has_sh8253 = FALSE;
has_tms5220 = FALSE;
has_mc3417 = FALSE;
DEVICE_START_CALL(common_sh_start);
}
static DEVICE_START( exidy_sound )
{
exidy_sound_state *state = get_safe_token(device);
/* indicate no additional hardware */
state->m_has_sh8253 = FALSE;
state->m_tms = NULL;
state->m_cvsd = NULL;
DEVICE_START_CALL(common_sh_start);
}
static DEVICE_START(mk48t08)
{
timekeeper_state *c = get_safe_token(device);
c->offset_control = 0x1ff8;
c->offset_seconds = 0x1ff9;
c->offset_minutes = 0x1ffa;
c->offset_hours = 0x1ffb;
c->offset_day = 0x1ffc;
c->offset_date = 0x1ffd;
c->offset_month = 0x1ffe;
c->offset_year = 0x1fff;
c->offset_century = 0x1ff1;
c->offset_flags = 0x1ff0;
c->size = 0x2000;
DEVICE_START_CALL( timekeeper );
}
static DEVICE_START(m48t02)
{
timekeeper_state *c = get_safe_token(device);
c->offset_control = 0x7f8;
c->offset_seconds = 0x7f9;
c->offset_minutes = 0x7fa;
c->offset_hours = 0x7fb;
c->offset_day = 0x7fc;
c->offset_date = 0x7fd;
c->offset_month = 0x7fe;
c->offset_year = 0x7ff;
c->offset_century = -1;
c->offset_flags = -1;
c->size = 0x800;
DEVICE_START_CALL( timekeeper );
}
static DEVICE_START( venture_common_sh_start )
{
running_machine *machine = device->machine;
DEVICE_START_CALL(common_sh_start);
riot = devtag_get_device(machine, "riot");
has_sh8253 = TRUE;
has_tms5220 = FALSE;
/* determine which sound hardware is installed */
has_mc3417 = (devtag_get_device(device->machine, "cvsd") != NULL);
/* 8253 */
freq_to_step = (double)(1 << 24) / (double)SH8253_CLOCK;
state_save_register_global(machine, riot_irq_state);
sh8253_register_state_globals(device->machine);
}
static DEVICE_START( m58819 )
{
//tms6100_state *tms = get_safe_token(device);
DEVICE_START_CALL( tms6100 );
//tms5110_set_variant(tms, TMS5110_IS_5100);
}
static DEVICE_START( venture_sound )
{
DEVICE_START_CALL(venture_common_sh_start);
}