diff --git a/zsnes/src/chips/dsp4emu.c b/zsnes/src/chips/dsp4emu.c
index 01fa9b80..320aa988 100644
--- a/zsnes/src/chips/dsp4emu.c
+++ b/zsnes/src/chips/dsp4emu.c
@@ -178,15 +178,15 @@ static int32 DSP4_READ_DWORD()
 #define DSP4_WRITE_WORD( d ) \
 { WRITE_WORD( DSP4.output + DSP4.out_count, ( d ) ); DSP4.out_count += 2; }
 
-#ifndef BIG_ENDIAN
+#ifndef MSB_FIRST
 #define DSP4_WRITE_16_WORD( d ) \
 { memcpy(DSP4.output + DSP4.out_count, ( d ), 32); DSP4.out_count += 32; }
 #else
 #define DSP4_WRITE_16_WORD( d )                         \
-{ int16 i = 16;                                         \
-  while (i--)                                           \
+{ int16 *p = ( d );                                     \
+  for (; p != ( d )+16; p++)                            \
   {                                                     \
-    WRITE_WORD( DSP4.output + DSP4.out_count, ( d ) );  \
+    WRITE_WORD( DSP4.output + DSP4.out_count, *p ); \
   }                                                     \
   DSP4.out_count += 32;                                 \
 }