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-rw-r--r--src/mame/drivers/chaos.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mame/drivers/chaos.cpp b/src/mame/drivers/chaos.cpp
index 7618cde825b..a7057551c45 100644
--- a/src/mame/drivers/chaos.cpp
+++ b/src/mame/drivers/chaos.cpp
@@ -72,7 +72,10 @@ static ADDRESS_MAP_START( chaos_io, AS_IO, 8, chaos_state )
AM_RANGE(0x90, 0x90) AM_READ(port90_r)
AM_RANGE(0x91, 0x91) AM_READ(port91_r)
AM_RANGE(0x92, 0x92) AM_DEVWRITE("terminal", generic_terminal_device, write)
- AM_RANGE(0x101, 0x103) AM_NOP // stops error log filling up while using debug
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( chaos_data, AS_DATA, 8, chaos_state )
+ AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_NOP // stops error log filling up while using debug
ADDRESS_MAP_END
/* Input ports */
@@ -143,6 +146,7 @@ static MACHINE_CONFIG_START( chaos )
MCFG_CPU_ADD("maincpu", S2650, XTAL_1MHz)
MCFG_CPU_PROGRAM_MAP(chaos_mem)
MCFG_CPU_IO_MAP(chaos_io)
+ MCFG_CPU_DATA_MAP(chaos_data)
/* video hardware */
MCFG_DEVICE_ADD("terminal", GENERIC_TERMINAL, 0)