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decobsmt: 2 MHz is OK (nw)

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AJR 2017-12-10 20:07:40 -05:00
parent 2dcd31e2a1
commit 8ec86af0a5
1 changed files with 1 additions and 1 deletions
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src/mame/audio/decobsmt.cpp
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@ -47,7 +47,7 @@ DEFINE_DEVICE_TYPE(DECOBSMT, decobsmt_device, "decobsmt", "Data East/Sega/Stern
//-------------------------------------------------
MACHINE_CONFIG_MEMBER( decobsmt_device::device_add_mconfig )
MCFG_CPU_ADD(M6809_TAG, MC6809E, (3579580/2)) // 68B09E U6 (FIXME: clock probably wrong)
MCFG_CPU_ADD(M6809_TAG, MC6809E, XTAL_24MHz / 12) // 68B09E U6 (E & Q = 2 MHz according to manual)
MCFG_CPU_PROGRAM_MAP(decobsmt_map)
MCFG_CPU_PERIODIC_INT_DRIVER(decobsmt_device, decobsmt_firq_interrupt, 489) /* Fixed FIRQ of 489Hz as measured on real (pinball) machine */