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Diffstat (limited to 'src/devices/bus/s100/nsmdsa.h')
-rw-r--r--src/devices/bus/s100/nsmdsa.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/src/devices/bus/s100/nsmdsa.h b/src/devices/bus/s100/nsmdsa.h
index 875b62b4ca0..3bf167732b6 100644
--- a/src/devices/bus/s100/nsmdsa.h
+++ b/src/devices/bus/s100/nsmdsa.h
@@ -6,10 +6,10 @@
**********************************************************************/
-#pragma once
+#ifndef MAME_BUS_S100_NSMDSA_H
+#define MAME_BUS_S100_NSMDSA_H
-#ifndef __S100_MDS_A__
-#define __S100_MDS_A__
+#pragma once
#include "s100.h"
#include "imagedev/floppy.h"
@@ -50,8 +50,6 @@ private:
// device type definition
-extern const device_type S100_MDS_A;
-
-
+DECLARE_DEVICE_TYPE(S100_MDS_A, s100_mds_a_device)
-#endif
+#endif // MAME_BUS_S100_NSMDSA_H