1 files changed, 4 insertions, 0 deletions
diff --git a/fmdriver/ppz8.h b/fmdriver/ppz8.h
index cb9a158..f4ef4cb 100644
--- a/fmdriver/ppz8.h
+++ b/fmdriver/ppz8.h
@@ -43,6 +43,7 @@ struct ppz8 {
   uint16_t srate;
   uint8_t totalvol;
   uint16_t mix_volume;
+  unsigned mask;
 };
 
 void ppz8_init(struct ppz8 *ppz8, uint16_t srate, uint16_t mix_volume);
@@ -63,6 +64,9 @@ static inline uint32_t ppz8_pzi_decodebuf_samples(uint32_t pzidatalen) {
   return (pzidatalen - 0x920) * 2;
 }
 
+unsigned ppz8_get_mask(const struct ppz8 *ppz8);
+void ppz8_set_mask(struct ppz8 *ppz8, unsigned mask);
+
 struct ppz8_functbl {
   void (*channel_play)(struct ppz8 *ppz8, uint8_t channel, uint8_t voice);
   void (*channel_stop)(struct ppz8 *ppz8, uint8_t channel);