static TIMER_CALLBACK(dave_1khz_callback)
{
device_t *device = (device_t *)ptr;
dave_t *dave = get_token(device);
/* time over - want int */
dave->one_khz_state ^= 0x0ffffffff;
/* lo-high transition causes int */
if (dave->one_khz_state!=0)
{
dave->int_irq |=(1<<2);
}
/* update fifty Hz counter */
dave->fifty_hz_count--;
if (dave->fifty_hz_count==0)
{
/* these two lines are temp here */
dave->nick_virq ^= 0x0ffffffff;
dave_set_external_int_state(device, DAVE_INT1_ID, dave->nick_virq);
dave->fifty_hz_count = DAVE_FIFTY_HZ_COUNTER_RELOAD;
dave->fifty_hz_state^=0x0ffffffff;
if (dave->fifty_hz_state!=0)
{
dave->int_irq |= (1<<1);
}
}
dave->one_hz_count--;
if (dave->one_hz_count==0)
{
/* reload counter */
dave->one_hz_count = DAVE_ONE_HZ_COUNTER_RELOAD;
/* change state */
dave->int_input ^= (1<<2);
if (dave->int_input & (1<<2))
{
/* transition from 0->1 */
/* int requested */
dave->int_latch |=(1<<3);
}
}
dave_refresh_selectable_int(device);
}
static void dave_1khz_callback(int dummy)
{
// logerror("1khz int\n");
/* time over - want int */
dave.one_khz_state^=0x0ffffffff;
/* lo-high transition causes int */
if (dave.one_khz_state!=0)
{
dave.int_irq |=(1<<2);
}
/* update fifty hz counter */
dave.fifty_hz_count--;
if (dave.fifty_hz_count==0)
{
/* these two lines are temp here */
nick_virq^=0x0ffffffff;
Dave_SetExternalIntState(DAVE_INT1_ID, nick_virq);
dave.fifty_hz_count = DAVE_FIFTY_HZ_COUNTER_RELOAD;
dave.fifty_hz_state^=0x0ffffffff;
if (dave.fifty_hz_state!=0)
{
dave.int_irq |= (1<<1);
}
}
dave.one_hz_count--;
if (dave.one_hz_count==0)
{
/* reload counter */
dave.one_hz_count = DAVE_ONE_HZ_COUNTER_RELOAD;
/* change state */
dave.int_input ^= (1<<2);
if (dave.int_input & (1<<2))
{
/* transition from 0->1 */
/* int requested */
dave.int_latch |=(1<<3);
}
}
dave_refresh_selectable_int();
}
