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Diffstat (limited to 'src/devices/cpu/mb88xx/mb88xx.cpp')
-rw-r--r--src/devices/cpu/mb88xx/mb88xx.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/cpu/mb88xx/mb88xx.cpp b/src/devices/cpu/mb88xx/mb88xx.cpp
index 56f990cd599..fe07ba80d2c 100644
--- a/src/devices/cpu/mb88xx/mb88xx.cpp
+++ b/src/devices/cpu/mb88xx/mb88xx.cpp
@@ -369,12 +369,12 @@ int mb88_cpu_device::pla( int inA, int inB )
void mb88_cpu_device::execute_set_input(int inputnum, int state)
{
/* on rising edge trigger interrupt */
- if ( (m_pio & 0x04) && !m_nf && state == ASSERT_LINE )
+ if ( (m_pio & 0x04) && !m_nf && state != CLEAR_LINE )
{
m_pending_interrupt |= INT_CAUSE_EXTERNAL;
}
- m_nf = state == ASSERT_LINE;
+ m_nf = state != CLEAR_LINE;
}
void mb88_cpu_device::update_pio_enable( uint8_t newpio )