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Diffstat (limited to 'src/emu/sound/x1_010.h')
-rw-r--r--src/emu/sound/x1_010.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/emu/sound/x1_010.h b/src/emu/sound/x1_010.h
index d54d22cc3f8..776c8e410c4 100644
--- a/src/emu/sound/x1_010.h
+++ b/src/emu/sound/x1_010.h
@@ -1,4 +1,11 @@
-struct x1_010_interface
+#pragma once
+
+#ifndef __X1_010_H__
+#define __X1_010_H__
+
+
+typedef struct _x1_010_interface x1_010_interface;
+struct _x1_010_interface
{
int adr; /* address */
};
@@ -11,3 +18,5 @@ READ16_HANDLER ( seta_sound_word_r );
WRITE16_HANDLER( seta_sound_word_w );
void seta_sound_enable_w(int);
+
+#endif /* __X1_010_H__ */