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mm2: berger verified irq (nw)

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This commit is contained in:
hap 2019-08-13 15:24:18 +02:00
parent 961b3058a9
commit 46c27611da
1 changed files with 2 additions and 7 deletions
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9
src/mame/drivers/mephisto_mm2.cpp
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@ -116,7 +116,6 @@ private:
virtual void machine_reset() override;
TIMER_DEVICE_CALLBACK_MEMBER(update_nmi);
TIMER_DEVICE_CALLBACK_MEMBER(update_nmi_r5);
TIMER_DEVICE_CALLBACK_MEMBER(update_irq);
void mephisto_mem(address_map &map);
void mm2_mem(address_map &map);
@ -288,11 +287,6 @@ TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_nmi_r5)
m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
}
TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_irq)//only mm2
{
m_maincpu->set_input_line(M65C02_IRQ_LINE, HOLD_LINE);
}
void mephisto_state::machine_start()
{
m_digits.resolve();
@ -365,7 +359,8 @@ void mephisto_state::mm2(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_state::mm2_mem);
config.device_remove("nmi_timer");
TIMER(config, "irq_timer").configure_periodic(FUNC(mephisto_state::update_irq), attotime::from_hz(450));
const attotime irq_period = attotime::from_hz(7.3728_MHz_XTAL / 0x4000); // 450Hz(4020 Q14, TLow = ~22us)
m_maincpu->set_periodic_int(FUNC(mephisto_state::irq0_line_hold), irq_period);
m_outlatch->q_out_cb<7>().set(FUNC(mephisto_state::write_led7)).invert();
}