static TIMER_CALLBACK( irq_off )
{
const address_space *space = cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM);
/* clear the interrupt */
atarigen_scanline_int_ack_w(space, 0, 0, 0xffff);
}
static TIMER_CALLBACK( irq_off )
{
address_space *space = machine.device("maincpu")->memory().space(AS_PROGRAM);
/* clear the interrupt */
atarigen_scanline_int_ack_w(space, 0, 0, 0xffff);
}
static WRITE16_HANDLER( digital_w )
{
if (ACCESSING_LSB)
{
foodf_set_flip(data & 0x01);
if (!(data & 0x04))
atarigen_scanline_int_ack_w(0,0,0);
if (!(data & 0x08))
atarigen_video_int_ack_w(0,0,0);
coin_counter_w(0, (data >> 6) & 1);
coin_counter_w(1, (data >> 7) & 1);
}
}
static WRITE16_HANDLER( digital_w )
{
if (ACCESSING_BITS_0_7)
{
foodf_set_flip(data & 0x01);
/* bit 1 = UPDATE */
if (!(data & 0x04))
atarigen_scanline_int_ack_w(space,0,0,0xffff);
if (!(data & 0x08))
atarigen_video_int_ack_w(space,0,0,0xffff);
output_set_led_value(0, (data >> 4) & 1);
output_set_led_value(1, (data >> 5) & 1);
coin_counter_w(0, (data >> 6) & 1);
coin_counter_w(1, (data >> 7) & 1);
}
}
static WRITE16_HANDLER( interrupt_ack_w )
{
atarigen_scanline_int_ack_w(space, offset, data, mem_mask);
atarigen_video_int_ack_w(space, offset, data, mem_mask);
}
static TIMER_CALLBACK( irq_off )
{
/* clear the interrupt */
atarigen_scanline_int_ack_w(machine, 0, 0, 0xffff);
}
static WRITE_HANDLER( interrupt_ack_w )
{
atarigen_scanline_int_ack_w(offset, data);
atarigen_video_int_ack_w(offset, data);
}
static void interrupt_ack_w(int offset, int data)
{
atarigen_scanline_int_ack_w(offset, data);
atarigen_video_int_ack_w(offset, data);
}
