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author hap <happppp@users.noreply.github.com>2018-10-05 13:44:30 +0200
committer hap <happppp@users.noreply.github.com>2018-10-05 13:44:30 +0200
commit8d8ca0011dc04095e10a8a9c055f3e5e68187418 (patch)
treef9d807406021439ec7750d20fbf81dbfd4046953 /src/mame/drivers/namcos22.cpp
parent4d2407128c645029975d4082c8c9bddab081bfb3 (diff)
namcos22: assume the I/O board XTAL is for the MCU UART and C74 runs at same speed as cpu board C74 (doesn't affect performance btw, as it's unemulated for now) (nw)
Diffstat (limited to 'src/mame/drivers/namcos22.cpp')
-rw-r--r--src/mame/drivers/namcos22.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/namcos22.cpp b/src/mame/drivers/namcos22.cpp
index 55fb1d01faa..b30987baa75 100644
--- a/src/mame/drivers/namcos22.cpp
+++ b/src/mame/drivers/namcos22.cpp
@@ -3758,7 +3758,7 @@ MACHINE_CONFIG_START(namcos22_state::namcos22)
MCFG_DEVICE_PROGRAM_MAP( mcu_s22_program)
MCFG_DEVICE_IO_MAP( mcu_s22_io)
- MCFG_DEVICE_ADD("iomcu", NAMCO_C74, XTAL(6'144'000)) // 6.144MHz XTAL on I/O board, not sure if it has a divider
+ MCFG_DEVICE_ADD("iomcu", NAMCO_C74, 49.152_MHz_XTAL/3)
MCFG_DEVICE_PROGRAM_MAP( iomcu_s22_program)
MCFG_DEVICE_IO_MAP( iomcu_s22_io)