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Diffstat (limited to 'src/mame/includes/polepos.h')
-rw-r--r--src/mame/includes/polepos.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mame/includes/polepos.h b/src/mame/includes/polepos.h
index a2900e4ffbd..f9b08e76656 100644
--- a/src/mame/includes/polepos.h
+++ b/src/mame/includes/polepos.h
@@ -5,6 +5,10 @@
Pole Position hardware
*************************************************************************/
+#ifndef MAME_INCLUDES_POLEPOS_H
+#define MAME_INCLUDES_POLEPOS_H
+
+#pragma once
#include "machine/gen_latch.h"
#include "sound/namco.h"
@@ -161,6 +165,8 @@ private:
filter2_context m_filter_engine[3];
};
-extern const device_type POLEPOS;
+DECLARE_DEVICE_TYPE(POLEPOS, polepos_sound_device)
DISCRETE_SOUND_EXTERN( polepos );
+
+#endif // MAME_INCLUDES_POLEPOS_H