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-rw-r--r--constants/audio_constants.asm6
1 files changed, 6 insertions, 0 deletions
diff --git a/constants/audio_constants.asm b/constants/audio_constants.asm
index 3dc9fbee..e36d2d5f 100644
--- a/constants/audio_constants.asm
+++ b/constants/audio_constants.asm
@@ -1,4 +1,5 @@
; pitch
+; Audio[1|2|3]_Pitches indexes (see audio/notes.asm)
const_def
const C_ ; 0
const C# ; 1
@@ -14,15 +15,20 @@
const B_ ; B
; channel
+; Audio[1|2|3]_HWChannelBaseAddresses, Audio[1|2|3]_HWChannelDisableMasks,
+; and Audio[1|2|3]_HWChannelEnableMasks indexes (see audio/engine_[1|2|3].asm)
const_def
const Ch1 ; 0
const Ch2 ; 1
const Ch3 ; 2
const Ch4 ; 3
+NUM_MUSIC_CHANS EQU const_value
const Ch5 ; 4
const Ch6 ; 5
const Ch7 ; 6
const Ch8 ; 7
+NUM_NOISE_CHANS EQU const_value - NUM_MUSIC_CHANS
+NUM_CHANNELS EQU const_value
; HW sound channel register base addresses
HW_CH1_BASE EQU LOW(rNR10)