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Fix MT #5423

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This commit is contained in:
angelosa 2015-12-10 01:13:00 +01:00
parent daf048e2e8
commit 4db6a6e37e
1 changed files with 6 additions and 3 deletions
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9
src/mame/drivers/megasys1.cpp
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@ -172,12 +172,15 @@ TIMER_DEVICE_CALLBACK_MEMBER(megasys1_state::megasys1A_scanline)
{
int scanline = param;
// irq 1 is vblank (confirmed by Saint Dragon "press start" behaviour), 2 & 3 unknown
if(scanline == 240) // vblank-out irq
m_maincpu->set_input_line(2, HOLD_LINE);
if(scanline == 0)
m_maincpu->set_input_line(1, HOLD_LINE);
if(scanline == 0)
m_maincpu->set_input_line(2, HOLD_LINE);
// RTE in stdragon
if(scanline == 128)
m_maincpu->set_input_line(3, HOLD_LINE);
}