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sync interrupts to scanlines anyway

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This commit is contained in:
Michaël Banaan Ananas 2012-01-20 18:42:42 +00:00
parent 2af25c4c7e
commit 23d291fb7b
1 changed files with 6 additions and 6 deletions
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12
src/mame/drivers/gberet.c
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@ -82,23 +82,23 @@
*
*************************************/
static INTERRUPT_GEN( gberet_interrupt_tick )
static TIMER_DEVICE_CALLBACK( gberet_interrupt_tick )
{
gberet_state *state = device->machine().driver_data<gberet_state>();
gberet_state *state = timer.machine().driver_data<gberet_state>();
UINT8 ticks_mask = ~state->m_interrupt_ticks & (state->m_interrupt_ticks + 1); // 0->1
state->m_interrupt_ticks++;
// NMI on d0
if (ticks_mask & state->m_interrupt_mask & 1)
device_set_input_line(device, INPUT_LINE_NMI, ASSERT_LINE);
cputag_set_input_line(timer.machine(), "maincpu", INPUT_LINE_NMI, ASSERT_LINE);
// IRQ on d3 (used by mrgoemon)
if (ticks_mask & state->m_interrupt_mask<<2 & 8)
device_set_input_line(device, 0, ASSERT_LINE);
cputag_set_input_line(timer.machine(), "maincpu", 0, ASSERT_LINE);
// IRQ on d4 (used by gberet)
if (ticks_mask & state->m_interrupt_mask<<2 & 16)
device_set_input_line(device, 0, ASSERT_LINE);
cputag_set_input_line(timer.machine(), "maincpu", 0, ASSERT_LINE);
}
@ -410,7 +410,7 @@ static MACHINE_CONFIG_START( gberet, gberet_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, XTAL_18_432MHz/6) // X1S (generated by a custom IC)
MCFG_CPU_PROGRAM_MAP(gberet_map)
MCFG_CPU_PERIODIC_INT(gberet_interrupt_tick, 1000) // period unknown, estimated with pcb recording
MCFG_TIMER_ADD_SCANLINE("scantimer", gberet_interrupt_tick, "screen", 0, 16) // ?
MCFG_MACHINE_START(gberet)
MCFG_MACHINE_RESET(gberet)