From 27b26d0478bc4efb222dee447b4cbe1f9933173d Mon Sep 17 00:00:00 2001
From: kub <derkub@gmail.com>
Date: Sat, 30 Apr 2022 14:04:28 +0200
Subject: [PATCH] sound, minor FM filtering optimization

---
 pico/sound/sound.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pico/sound/sound.c b/pico/sound/sound.c
index ae4bd3d8..456d211b 100644
--- a/pico/sound/sound.c
+++ b/pico/sound/sound.c
@@ -89,7 +89,7 @@ static void YM2612_setup_FIR(int inrate, int outrate, int stereo)
       mindiff = diff;
       Pico.snd.fm_fir_mul = mul;
       Pico.snd.fm_fir_div = div;
-      if (abs(mindiff) <= inrate/1000) break; // below error limit
+      if (abs(mindiff) <= inrate/1000+1) break; // below error limit
     }
   }
   printf("FM polyphase FIR ratio=%d/%d error=%.3f%%\n",
-- 
2.39.5