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pic8259: fixed a polling mode bug

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This commit is contained in:
fulivi 2015-03-30 18:01:15 +02:00
parent f624c52cef
commit d0ad3fd637
1 changed files with 1 additions and 5 deletions
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6
src/emu/machine/pic8259.c
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@ -152,11 +152,6 @@ READ8_MEMBER( pic8259_device::read )
if ( m_ocw3 & 0x04 )
{
/* Polling mode */
if ( m_isr & ~m_imr )
{
acknowledge();
}
if ( m_irr & ~m_imr )
{
/* check the various IRQs */
@ -168,6 +163,7 @@ READ8_MEMBER( pic8259_device::read )
break;
}
}
acknowledge();
}
}
else