more CgbSound decipher work

2020-12-11 16:06:18 +01:00
parent 15ff55eee5
commit f177c736fc
2 changed files with 53 additions and 60 deletions
@@ -75,11 +75,15 @@ struct ToneData
 #define SOUND_CHANNEL_SF_ENV_ATTACK  0x03
 #define SOUND_CHANNEL_SF_ENV_DECAY   0x02
 #define SOUND_CHANNEL_SF_ENV_SUSTAIN 0x01
+#define SOUND_CHANNEL_SF_ENV_RELEASE 0x00
 #define SOUND_CHANNEL_SF_ON (SOUND_CHANNEL_SF_START | SOUND_CHANNEL_SF_STOP | SOUND_CHANNEL_SF_IEC | SOUND_CHANNEL_SF_ENV)

 #define CGB_CHANNEL_MO_PIT  0x02
 #define CGB_CHANNEL_MO_VOL  0x01

+#define CGB_NRx2_ENV_DIR_DEC 0x00
+#define CGB_NRx2_ENV_DIR_INC 0x08
+
 struct CgbChannel
 {
    u8 statusFlags;