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Diffstat (limited to 'src/mame/audio/efo_zsu.cpp')
-rw-r--r--src/mame/audio/efo_zsu.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mame/audio/efo_zsu.cpp b/src/mame/audio/efo_zsu.cpp
index 7fe7744e69b..5b8c69ace47 100644
--- a/src/mame/audio/efo_zsu.cpp
+++ b/src/mame/audio/efo_zsu.cpp
@@ -38,11 +38,12 @@
#include "machine/clock.h"
#include "machine/input_merger.h"
+#include "speaker.h"
-extern const device_type EFO_ZSU = &device_creator<efo_zsu_device>;
-extern const device_type EFO_ZSU1 = &device_creator<efo_zsu1_device>;
-extern const device_type CEDAR_MAGNET_SOUND = &device_creator<cedar_magnet_sound_device>;
+const device_type EFO_ZSU = device_creator<efo_zsu_device>;
+const device_type EFO_ZSU1 = device_creator<efo_zsu1_device>;
+const device_type CEDAR_MAGNET_SOUND = device_creator<cedar_magnet_sound_device>;
efo_zsu_device::efo_zsu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, u32 clock, const char *shortname, const char *source)