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-rw-r--r--src/mame/drivers/shanghai.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mame/drivers/shanghai.cpp b/src/mame/drivers/shanghai.cpp
index c84af4c2e75..4ddee0de229 100644
--- a/src/mame/drivers/shanghai.cpp
+++ b/src/mame/drivers/shanghai.cpp
@@ -476,6 +476,7 @@ MACHINE_CONFIG_START(shanghai_state::kothello)
MCFG_DEVICE_ADD("audiocpu", Z80, XTAL(16'000'000)/4)
MCFG_DEVICE_PROGRAM_MAP(kothello_sound_map)
+ MCFG_DEVICE_IRQ_ACKNOWLEDGE_DEVICE("seibu_sound", seibu_sound_device, im0_vector_cb)
MCFG_QUANTUM_TIME(attotime::from_hz(12000))