1 files changed, 1 insertions, 0 deletions
diff --git a/ym2612.h b/ym2612.h
index 1b12285..2781c94 100644
--- a/ym2612.h
+++ b/ym2612.h
@@ -18,6 +18,7 @@
 #define YM_OPT_WAVE_LOG 1
 
 typedef struct {
+	int16_t  *mod_src[2];
 	uint32_t phase_counter;
 	uint16_t envelope;
 	int16_t  output;