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-rw-r--r--firmware/mpeg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index ca3ac69..1b9cd82 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -1796,7 +1796,7 @@ void mpeg_set_pitch(int percent)
unsigned long val;
/* Calculate the new (bogus) frequency */
- val = 18432 + (18432*percent/100);
+ val = 18432 - (18432*percent/100);
mas_writemem(MAS_BANK_D0,0x7f3,&val,1);