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-rw-r--r--source/apu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/source/apu.h b/source/apu.h
index b49d8fe..046749d 100644
--- a/source/apu.h
+++ b/source/apu.h
@@ -87,6 +87,8 @@
Nintendo Co., Limited and its subsidiary companies.
*******************************************************************************/
+#ifndef USE_BLARGG_APU
+
#ifndef _apu_h_
#define _apu_h_
@@ -208,3 +210,5 @@ extern void (*S9xApuOpcodes [256])(void);
#define FREQUENCY_MASK 0x3fff
#endif
+#endif
+