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Diffstat (limited to 'src/mame/drivers/px8.cpp')
-rw-r--r--src/mame/drivers/px8.cpp14
1 files changed, 0 insertions, 14 deletions
diff --git a/src/mame/drivers/px8.cpp b/src/mame/drivers/px8.cpp
index af96e8c3c7a..2137fd617c1 100644
--- a/src/mame/drivers/px8.cpp
+++ b/src/mame/drivers/px8.cpp
@@ -547,19 +547,6 @@ void px8_state::px8_slave_mem(address_map &map)
map(0xf000, 0xffff).rom().region(HD6303_TAG, 0); /* internal mask rom */
}
-/*-------------------------------------------------
- ADDRESS_MAP( px8_slave_io )
--------------------------------------------------*/
-
-void px8_state::px8_slave_io(address_map &map)
-{
- map.unmap_value_high();
- map(M6801_PORT1, M6801_PORT1);
- map(M6801_PORT2, M6801_PORT2);
- map(M6801_PORT3, M6801_PORT3);
- map(M6801_PORT4, M6801_PORT4);
-}
-
/***************************************************************************
INPUT PORTS
***************************************************************************/
@@ -759,7 +746,6 @@ MACHINE_CONFIG_START(px8_state::px8)
/* slave cpu (HD6303) */
MCFG_DEVICE_ADD(HD6303_TAG, M6803, XTAL_CR1 / 4) /* 614 kHz */
MCFG_DEVICE_PROGRAM_MAP(px8_slave_mem)
- MCFG_DEVICE_IO_MAP(px8_slave_io)
MCFG_DEVICE_DISABLE()
/* sub CPU (uPD7508) */