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Diffstat (limited to 'src/mame/drivers/nmk16.cpp')
-rw-r--r--src/mame/drivers/nmk16.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mame/drivers/nmk16.cpp b/src/mame/drivers/nmk16.cpp
index f7f51c092ef..ef8f8b668ce 100644
--- a/src/mame/drivers/nmk16.cpp
+++ b/src/mame/drivers/nmk16.cpp
@@ -4051,6 +4051,7 @@ MACHINE_CONFIG_START(nmk16_state::mustangb)
MCFG_DEVICE_ADD("audiocpu", Z80, 14318180/4)
MCFG_DEVICE_PROGRAM_MAP(seibu_sound_map)
+ MCFG_DEVICE_IRQ_ACKNOWLEDGE_DEVICE("seibu_sound", seibu_sound_device, im0_vector_cb)
/* video hardware */
NMK_HACKY_SCREEN_LOWRES
@@ -4237,6 +4238,7 @@ MACHINE_CONFIG_START(nmk16_state::tdragonb) /* bootleg using Raiden sound har
MCFG_DEVICE_ADD("audiocpu", Z80, 14318180/4)
MCFG_DEVICE_PROGRAM_MAP(seibu_sound_map)
+ MCFG_DEVICE_IRQ_ACKNOWLEDGE_DEVICE("seibu_sound", seibu_sound_device, im0_vector_cb)
/* video hardware */
NMK_HACKY_SCREEN_LOWRES