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avalnche: Change periodic interrupt to scanline interrupt; add watchdog timeout

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This commit is contained in:
AJR 2022-05-12 09:30:06 -04:00
parent 27bbd4a2c7
commit d1904214a8
2 changed files with 10 additions and 2 deletions
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10
src/mame/drivers/avalnche.cpp
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@ -40,6 +40,11 @@
#include "avalnche.lh"
TIMER_DEVICE_CALLBACK_MEMBER(avalnche_state::nmi_16v)
{
m_maincpu->pulse_input_line(m6502_device::NMI_LINE, attotime::zero);
}
/*************************************
*
* Video update
@ -216,7 +221,8 @@ void avalnche_state::avalnche_base(machine_config &config)
/* basic machine hardware */
M6502(config, m_maincpu, 12.096_MHz_XTAL / 16); /* clock input is the "2H" signal divided by two */
m_maincpu->set_addrmap(AS_PROGRAM, &avalnche_state::main_map);
m_maincpu->set_periodic_int(FUNC(avalnche_state::nmi_line_pulse), attotime::from_hz(8*60));
TIMER(config, "16v").configure_scanline(FUNC(avalnche_state::nmi_16v), "screen", 32, 32); // 8 interrupts per frame
F9334(config, m_latch); // F8
m_latch->q_out_cb<0>().set_output("led0"); // 1 CREDIT LAMP
@ -225,7 +231,7 @@ void avalnche_state::avalnche_base(machine_config &config)
m_latch->q_out_cb<7>().set_output("led2"); // START LAMP
// Q1, Q4, Q5, Q6 are configured in audio/avalnche.cpp
WATCHDOG_TIMER(config, "watchdog");
WATCHDOG_TIMER(config, "watchdog").set_vblank_count("screen", 10);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));

2
src/mame/includes/avalnche.h
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@ -7,6 +7,7 @@
*************************************************************************/
#include "machine/74259.h"
#include "machine/timer.h"
#include "sound/discrete.h"
class avalnche_state : public driver_device
@ -39,6 +40,7 @@ private:
DECLARE_WRITE_LINE_MEMBER(credit_2_lamp_w);
DECLARE_WRITE_LINE_MEMBER(start_lamp_w);
virtual void machine_start() override;
TIMER_DEVICE_CALLBACK_MEMBER(nmi_16v);
uint32_t screen_update_avalnche(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void avalnche_noise_amplitude_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(catch_aud0_w);