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djboy: Generate sound IRQ from YM2203 rather than VBLANK

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This commit is contained in:
AJR 2019-09-05 20:36:02 -04:00
parent f014baa540
commit 8f28399938
1 changed files with 1 additions and 1 deletions
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src/mame/drivers/djboy.cpp
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@ -493,7 +493,6 @@ void djboy_state::djboy(machine_config &config)
Z80(config, m_soundcpu, 12_MHz_XTAL / 2); // 6.000MHz, verified
m_soundcpu->set_addrmap(AS_PROGRAM, &djboy_state::soundcpu_am);
m_soundcpu->set_addrmap(AS_IO, &djboy_state::soundcpu_port_am);
m_soundcpu->set_vblank_int("screen", FUNC(djboy_state::irq0_line_hold));
I80C51(config, m_beast, 12_MHz_XTAL / 2); // 6.000MHz, verified
m_beast->port_in_cb<0>().set(FUNC(djboy_state::beast_p0_r));
@ -535,6 +534,7 @@ void djboy_state::djboy(machine_config &config)
m_soundlatch->data_pending_callback().set_inputline(m_soundcpu, INPUT_LINE_NMI);
ym2203_device &ymsnd(YM2203(config, "ymsnd", 12_MHz_XTAL / 4)); // 3.000MHz, verified
ymsnd.irq_handler().set_inputline(m_soundcpu, INPUT_LINE_IRQ0);
ymsnd.add_route(ALL_OUTPUTS, "lspeaker", 0.40);
ymsnd.add_route(ALL_OUTPUTS, "rspeaker", 0.40);