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Diffstat (limited to 'src/mame/drivers/namcond1.cpp')
-rw-r--r--src/mame/drivers/namcond1.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/drivers/namcond1.cpp b/src/mame/drivers/namcond1.cpp
index 198796223e9..076367d81d5 100644
--- a/src/mame/drivers/namcond1.cpp
+++ b/src/mame/drivers/namcond1.cpp
@@ -306,12 +306,15 @@ static ADDRESS_MAP_START( nd1h8rwmap, AS_PROGRAM, 16, namcond1_state )
AM_RANGE(0xc00010, 0xc00011) AM_NOP
AM_RANGE(0xc00030, 0xc00031) AM_NOP
AM_RANGE(0xc00040, 0xc00041) AM_NOP
+ AM_RANGE(0xffff1a, 0xffff1b) AM_NOP // abcheck
+ AM_RANGE(0xffff1e, 0xffff1f) AM_NOP // ^
ADDRESS_MAP_END
static ADDRESS_MAP_START( nd1h8iomap, AS_IO, 16, namcond1_state )
AM_RANGE(h8_device::PORT_7, h8_device::PORT_7) AM_READ(mcu_p7_read )
AM_RANGE(h8_device::PORT_A, h8_device::PORT_A) AM_READWRITE(mcu_pa_read, mcu_pa_write )
AM_RANGE(h8_device::ADC_0, h8_device::ADC_3) AM_NOP // MCU reads these, but the games have no analog controls
+ AM_RANGE(0x14, 0x17) AM_READNOP // abcheck
ADDRESS_MAP_END
INTERRUPT_GEN_MEMBER(namcond1_state::mcu_interrupt)