shithub: pokecrystal

ref: c8e65a6e6b9994197fefb528fee848e3ced9733c
dir: /constants/audio_constants.asm/

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; pitch
; FrequencyTable indexes (see audio/notes.asm)
	const_def 1
	const C_ ; 1
	const C# ; 2
	const D_ ; 3
	const D# ; 4
	const E_ ; 5
	const F_ ; 6
	const F# ; 7
	const G_ ; 8
	const G# ; 9
	const A_ ; a
	const A# ; b
	const B_ ; c
NUM_NOTES EQU const_value - 1

; channel
; ChannelPointers indexes (see audio/engine.asm)
	const_def
	const CHAN1 ; 0
	const CHAN2 ; 1
	const CHAN3 ; 2
	const CHAN4 ; 3
NUM_MUSIC_CHANS EQU const_value
	const CHAN5 ; 4
	const CHAN6 ; 5
	const CHAN7 ; 6
	const CHAN8 ; 7
NUM_NOISE_CHANS EQU const_value - NUM_MUSIC_CHANS
NUM_CHANNELS EQU const_value

; channel_struct members (see macros/wram.asm)
rsreset
CHANNEL_MUSIC_ID                    rw
CHANNEL_MUSIC_BANK                  rb
CHANNEL_FLAGS1                      rb
CHANNEL_FLAGS2                      rb
CHANNEL_FLAGS3                      rb
CHANNEL_MUSIC_ADDRESS               rw
CHANNEL_LAST_MUSIC_ADDRESS          rw
                                    rb_skip 2
CHANNEL_NOTE_FLAGS                  rb
CHANNEL_CONDITION                   rb
CHANNEL_DUTY_CYCLE                  rb
CHANNEL_VOLUME_ENVELOPE             rb
CHANNEL_FREQUENCY                   rw
CHANNEL_PITCH                       rb
CHANNEL_OCTAVE                      rb
CHANNEL_TRANSPOSITION               rb
CHANNEL_NOTE_DURATION               rb
CHANNEL_FIELD16                     rb
                                    rb_skip
CHANNEL_LOOP_COUNT                  rb
CHANNEL_TEMPO                       rw
CHANNEL_TRACKS                      rb
CHANNEL_DUTY_CYCLE_PATTERN          rb
CHANNEL_VIBRATO_DELAY_COUNT         rb
CHANNEL_VIBRATO_DELAY               rb
CHANNEL_VIBRATO_EXTENT              rb
CHANNEL_VIBRATO_RATE                rb
CHANNEL_PITCH_SLIDE_TARGET          rw
CHANNEL_PITCH_SLIDE_AMOUNT          rb
CHANNEL_PITCH_SLIDE_AMOUNT_FRACTION rb
CHANNEL_FIELD25                     rb
                                    rb_skip
CHANNEL_PITCH_OFFSET                rw
CHANNEL_FIELD29                     rb
CHANNEL_FIELD2A                     rw
CHANNEL_FIELD2C                     rb
CHANNEL_NOTE_LENGTH                 rb
CHANNEL_FIELD2E                     rb
CHANNEL_FIELD2F                     rb
CHANNEL_FIELD30                     rb
                                    rb_skip
CHANNEL_STRUCT_LENGTH EQU _RS

NOISE_CHAN_F EQU 2 ; bit set in CHAN5-CHAN7

; Flags1
	const_def
	const SOUND_CHANNEL_ON ; 0
	const SOUND_SUBROUTINE ; 1
	const SOUND_LOOPING    ; 2
	const SOUND_SFX        ; 3
	const SOUND_NOISE      ; 4
	const SOUND_CRY        ; 5

; Flags2
	const_def
	const SOUND_VIBRATO      ; 0
	const SOUND_PITCH_SLIDE  ; 1
	const SOUND_DUTY_LOOP    ; 2
	const SOUND_UNKN_0B      ; 3
	const SOUND_PITCH_OFFSET ; 4
	const SOUND_UNKN_0D      ; 5
	const SOUND_UNKN_0E      ; 6
	const SOUND_UNKN_0F      ; 7

; Flags3
	const_def
	const SOUND_VIBRATO_DIR     ; 0
	const SOUND_PITCH_SLIDE_DIR ; 1

; NoteFlags
	const_def
	const NOTE_DUTY_OVERRIDE    ; 0
	const NOTE_FREQ_OVERRIDE    ; 1
	const NOTE_UNUSED           ; 2
	const NOTE_PITCH_SWEEP      ; 3
	const NOTE_NOISE_SAMPLING   ; 4
	const NOTE_REST             ; 5
	const NOTE_VIBRATO_OVERRIDE ; 6

; wVolume
VOLUME_SO1_F     EQU 3
VOLUME_SO2_F     EQU 7
VOLUME_SO1_LEVEL EQU %00000111
VOLUME_SO2_LEVEL EQU %01110000
MAX_VOLUME       EQU $77

; wSoundInput
SOUND_INPUT_CH1_F    EQU 0
SOUND_INPUT_CH2_F    EQU 1
SOUND_INPUT_CH3_F    EQU 2
SOUND_INPUT_CH4_F    EQU 3
SOUND_INPUT_GLOBAL_F EQU 7

; wLowHealthAlarm
DANGER_PITCH_F EQU 4
DANGER_ON_F    EQU 7

; wMusicFade
MUSIC_FADE_IN_F EQU 7