pokecrystal/macros/scripts/audio.asm

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channel_count: MACRO
_num_channels = \1 - 1
ENDM
channel: MACRO
dn (_num_channels << 2), \1 - 1 ; channel id
dw \2 ; address
_num_channels = 0
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ENDM
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note: MACRO
dn (\1), (\2) - 1 ; pitch, length
ENDM
drum_note: MACRO
note \1, \2 ; drum instrument, length
ENDM
rest: MACRO
note 0, \1 ; length
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ENDM
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square_note: MACRO
db \1 ; length
IF \3 < 0
dn \2, %1000 | (\3 * -1) ; volume envelope
ELSE
dn \2, \3 ; volume envelope
ENDC
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dw \4 ; frequency
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ENDM
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noise_note: MACRO
db \1 ; length
IF \3 < 0
dn \2, %1000 | (\3 * -1) ; volume envelope
ELSE
dn \2, \3 ; volume envelope
ENDC
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db \4 ; frequency
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ENDM
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; MusicCommands indexes (see audio/engine.asm)
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enum_start $d0, 8
FIRST_MUSIC_CMD EQU __enum__
enum octave_cmd ; $d0
octave: MACRO
db octave_cmd | 8 - (\1) ; octave
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ENDM
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__enumdir__ = 1
enum note_type_cmd ; $d8
note_type: MACRO
db note_type_cmd
db \1 ; note length
IF _NARG >= 2
IF \3 < 0
dn \2, %1000 | (\3 * -1) ; volume envelope
ELSE
dn \2, \3 ; volume envelope
ENDC
ENDC
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ENDM
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; only valid on the noise channel
drum_speed: MACRO
note_type \1 ; note length
ENDM
enum transpose_cmd ; $d9
transpose: MACRO
db transpose_cmd
dn \1, \2 ; num octaves, num pitches
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ENDM
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enum tempo_cmd ; $da
tempo: MACRO
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db tempo_cmd
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bigdw \1 ; tempo
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ENDM
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enum duty_cycle_cmd ; $db
duty_cycle: MACRO
db duty_cycle_cmd
db \1 ; duty cycle
ENDM
enum volume_envelope_cmd ; $dc
volume_envelope: MACRO
db volume_envelope_cmd
IF \2 < 0
dn \1, %1000 | (\2 * -1) ; volume envelope
ELSE
dn \1, \2 ; volume envelope
ENDC
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ENDM
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enum pitch_sweep_cmd ; $dd
pitch_sweep: MACRO
db pitch_sweep_cmd
IF \2 < 0
dn \1, %1000 | (\2 * -1) ; pitch sweep
ELSE
dn \1, \2 ; pitch sweep
ENDC
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ENDM
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enum duty_cycle_pattern_cmd ; $de
duty_cycle_pattern: MACRO
db duty_cycle_pattern_cmd
db (\1 << 6) | (\2 << 4) | (\3 << 2) | (\4 << 0) ; duty cycle pattern
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ENDM
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enum toggle_sfx_cmd ; $df
toggle_sfx: MACRO
db toggle_sfx_cmd
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ENDM
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enum pitch_slide_cmd ; $e0
pitch_slide: MACRO
db pitch_slide_cmd
db \1 - 1 ; duration
dn 8 - \2, \3 % 12 ; octave, pitch
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ENDM
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enum vibrato_cmd ; $e1
vibrato: MACRO
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db vibrato_cmd
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db \1 ; delay
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IF _NARG > 2
dn \2, \3 ; extent, rate
ELSE
db \2 ; LEGACY: Support for 1-arg extent
ENDC
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ENDM
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enum unknownmusic0xe2_cmd ; $e2
unknownmusic0xe2: MACRO
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db unknownmusic0xe2_cmd
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db \1 ; unknown
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ENDM
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enum toggle_noise_cmd ; $e3
toggle_noise: MACRO
db toggle_noise_cmd
IF _NARG > 0
db \1 ; drum kit
ENDC
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ENDM
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enum force_stereo_panning_cmd ; $e4
force_stereo_panning: MACRO
db force_stereo_panning_cmd
dn %1111 * (1 && \1), %1111 * (1 && \2) ; left enable, right enable
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ENDM
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enum volume_cmd ; $e5
volume: MACRO
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db volume_cmd
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IF _NARG > 1
dn \1, \2 ; left volume, right volume
ELSE
db \1 ; LEGACY: Support for 1-arg volume
ENDC
ENDM
enum pitch_offset_cmd ; $e6
pitch_offset: MACRO
db pitch_offset_cmd
bigdw \1 ; pitch offset
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ENDM
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enum unknownmusic0xe7_cmd ; $e7
unknownmusic0xe7: MACRO
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db unknownmusic0xe7_cmd
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db \1 ; unknown
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ENDM
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enum unknownmusic0xe8_cmd ; $e8
unknownmusic0xe8: MACRO
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db unknownmusic0xe8_cmd
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db \1 ; unknown
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ENDM
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enum tempo_relative_cmd ; $e9
tempo_relative: MACRO
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db tempo_relative_cmd
bigdw \1 ; tempo adjustment
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ENDM
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enum restart_channel_cmd ; $ea
restart_channel: MACRO
db restart_channel_cmd
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dw \1 ; address
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ENDM
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enum new_song_cmd ; $eb
new_song: MACRO
db new_song_cmd
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bigdw \1 ; id
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ENDM
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enum sfx_priority_on_cmd ; $ec
sfx_priority_on: MACRO
db sfx_priority_on_cmd
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ENDM
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enum sfx_priority_off_cmd ; $ed
sfx_priority_off: MACRO
db sfx_priority_off_cmd
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ENDM
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enum unknownmusic0xee_cmd ; $ee
unknownmusic0xee: MACRO
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db unknownmusic0xee_cmd
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dw \1 ; address
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ENDM
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enum stereo_panning_cmd ; $ef
stereo_panning: MACRO
db stereo_panning_cmd
dn %1111 * (1 && \1), %1111 * (1 && \2) ; left enable, right enable
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ENDM
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enum sfx_toggle_noise_cmd ; $f0
sfx_toggle_noise: MACRO
db sfx_toggle_noise_cmd
IF _NARG > 0
db \1 ; drum kit
ENDC
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ENDM
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enum music0xf1_cmd ; $f1
music0xf1: MACRO
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db music0xf1_cmd
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ENDM
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enum music0xf2_cmd ; $f2
music0xf2: MACRO
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db music0xf2_cmd
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ENDM
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enum music0xf3_cmd ; $f3
music0xf3: MACRO
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db music0xf3_cmd
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ENDM
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enum music0xf4_cmd ; $f4
music0xf4: MACRO
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db music0xf4_cmd
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ENDM
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enum music0xf5_cmd ; $f5
music0xf5: MACRO
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db music0xf5_cmd
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ENDM
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enum music0xf6_cmd ; $f6
music0xf6: MACRO
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db music0xf6_cmd
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ENDM
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enum music0xf7_cmd ; $f7
music0xf7: MACRO
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db music0xf7_cmd
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ENDM
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enum music0xf8_cmd ; $f8
music0xf8: MACRO
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db music0xf8_cmd
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ENDM
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enum unknownmusic0xf9_cmd ; $f9
unknownmusic0xf9: MACRO
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db unknownmusic0xf9_cmd
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ENDM
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enum set_condition_cmd ; $fa
set_condition: MACRO
db set_condition_cmd
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db \1 ; condition
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ENDM
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enum sound_jump_if_cmd ; $fb
sound_jump_if: MACRO
db sound_jump_if_cmd
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db \1 ; condition
dw \2 ; address
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ENDM
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enum sound_jump_cmd ; $fc
sound_jump: MACRO
db sound_jump_cmd
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dw \1 ; address
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ENDM
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enum sound_loop_cmd ; $fd
sound_loop: MACRO
db sound_loop_cmd
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db \1 ; count
dw \2 ; address
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ENDM
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enum sound_call_cmd ; $fe
sound_call: MACRO
db sound_call_cmd
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dw \1 ; address
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ENDM
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enum sound_ret_cmd ; $ff
sound_ret: MACRO
db sound_ret_cmd
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ENDM