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-rw-r--r--src/mame/audio/taito_zm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/audio/taito_zm.c b/src/mame/audio/taito_zm.c
index 469e048c88f..069a6536759 100644
--- a/src/mame/audio/taito_zm.c
+++ b/src/mame/audio/taito_zm.c
@@ -173,8 +173,8 @@ MACHINE_CONFIG_FRAGMENT( taito_zoom_sound )
/* basic machine hardware */
MCFG_TAITO_ZOOM_ADD("taito_zoom")
MCFG_CPU_ADD("mn10200", MN1020012A, XTAL_25MHz/2)
- MCFG_MN10200_READ_PORT_CB(0, DEVREAD8("taito_zoom", taito_zoom_device, tms_ctrl_r))
- MCFG_MN10200_WRITE_PORT_CB(0, DEVWRITE8("taito_zoom", taito_zoom_device, tms_ctrl_w))
+ MCFG_MN10200_READ_PORT_CB(1, DEVREAD8("taito_zoom", taito_zoom_device, tms_ctrl_r))
+ MCFG_MN10200_WRITE_PORT_CB(1, DEVWRITE8("taito_zoom", taito_zoom_device, tms_ctrl_w))
MCFG_CPU_PROGRAM_MAP(taitozoom_mn_map)
MCFG_QUANTUM_TIME(attotime::from_hz(60000))