summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/sonson.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/sonson.cpp')
-rw-r--r--src/mame/drivers/sonson.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/sonson.cpp b/src/mame/drivers/sonson.cpp
index f7cc802a1c2..9c35e66cd07 100644
--- a/src/mame/drivers/sonson.cpp
+++ b/src/mame/drivers/sonson.cpp
@@ -226,11 +226,11 @@ GFXDECODE_END
static MACHINE_CONFIG_START( sonson )
/* basic machine hardware */
- MCFG_CPU_ADD("maincpu", MC6809, XTAL_12MHz/2) // HD68B09P (/4 internally)
+ MCFG_CPU_ADD("maincpu", M6809, XTAL_12MHz/8) /* 1.5 MHz */
MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", sonson_state, irq0_line_hold)
- MCFG_CPU_ADD("audiocpu", MC6809, XTAL_12MHz/2) // HD68B09P (/4 internally)
+ MCFG_CPU_ADD("audiocpu", M6809, XTAL_12MHz/8) /* 1.5 MHz */
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_PERIODIC_INT_DRIVER(sonson_state, irq0_line_hold, 4*60) /* FIRQs are triggered by the main CPU */