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boosting the interleave during three way cpu communications speeds up Monster Zero protection check

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This commit is contained in:
smf- 2021-10-24 16:53:10 +01:00
parent d61685943c
commit 210830349b
1 changed files with 6 additions and 0 deletions
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6
src/mame/drivers/galaxian.cpp
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@ -7886,14 +7886,20 @@ void monsterz_state::monsterz(machine_config &config)
m_ay8910[0]->port_b_write_callback().set([this](uint8_t data)
{
if ((m_monsterz_audio_portb & 0x01) && !(data & 0x01))
{
machine().scheduler().boost_interleave(m_screen->scan_period(), attotime(0, m_screen->refresh_attoseconds()));
m_maincpu->set_input_line(0, HOLD_LINE);
}
m_monsterz_audio_portb = data;
});
m_ppi8255[2]->out_pc_callback().set([this](uint8_t data)
{
if ((m_monsterz_sample_portc & 0x01) && !(data & 0x01))
{
machine().scheduler().boost_interleave(m_screen->scan_period(), attotime(0, m_screen->refresh_attoseconds()));
m_audiocpu->set_input_line(0, HOLD_LINE);
}
m_monsterz_sample_portc = data;
});