diff options
Diffstat (limited to 'macros/scripts/audio.asm')
| -rwxr-xr-x | macros/scripts/audio.asm | 88 |
1 files changed, 68 insertions, 20 deletions
diff --git a/macros/scripts/audio.asm b/macros/scripts/audio.asm index 4f4d084c..b12a2adc 100755 --- a/macros/scripts/audio.asm +++ b/macros/scripts/audio.asm @@ -15,14 +15,17 @@ audio_header: MACRO ENDC ENDM + const_def $10 + ; arguments: length [0, 7], pitch change [-7, 7] ; length: length of time between pitch shifts ; sometimes used with a value >7 in which case the MSB is ignored ; pitch change: positive value means increase in pitch, negative value means decrease in pitch ; small magnitude means quick change, large magnitude means slow change ; in signed magnitude representation, so a value of 8 is the same as (negative) 0 + const pitch_sweep_cmd ; $10 pitch_sweep: MACRO - db $10 + db pitch_sweep_cmd IF \2 < 0 db (\1 << 4) | (%1000 | (\2 * -1)) ELSE @@ -30,12 +33,17 @@ pitch_sweep: MACRO ENDC ENDM + const_next $20 + + const sfx_note_cmd ; $20 + ; arguments: length [0, 15], volume [0, 15], fade [-7, 7], frequency ; fade: positive value means decrease in volume, negative value means increase in volume ; small magnitude means quick change, large magnitude means slow change ; in signed magnitude representation, so a value of 8 is the same as (negative) 0 +square_note_cmd EQU sfx_note_cmd ; $20 square_note: MACRO - db $20 | \1 + db square_note_cmd | \1 IF \3 < 0 db (\2 << 4) | (%1000 | (\3 * -1)) ELSE @@ -48,8 +56,9 @@ ENDM ; fade: positive value means decrease in volume, negative value means increase in volume ; small magnitude means quick change, large magnitude means slow change ; in signed magnitude representation, so a value of 8 is the same as (negative) 0 +noise_note_cmd EQU sfx_note_cmd ; $20 noise_note: MACRO - db $20 | \1 + db noise_note_cmd | \1 IF \3 < 0 db (\2 << 4) | (%1000 | (\3 * -1)) ELSE @@ -63,9 +72,12 @@ note: MACRO db (\1 << 4) | (\2 - 1) ENDM + const_next $b0 + ; arguments: instrument [1, 19], length [1, 16] + const drum_note_cmd ; $b0 drum_note: MACRO - db $B0 | (\2 - 1) + db drum_note_cmd | (\2 - 1) db \1 ENDM @@ -77,17 +89,23 @@ drum_note_short: MACRO db (\1 << 4) | (\2 - 1) ENDM + const_next $c0 + ; arguments: length [1, 16] + const rest_cmd ; $c0 rest: MACRO - db $C0 | (\1 - 1) + db rest_cmd | (\1 - 1) ENDM + const_next $d0 + ; arguments: speed [0, 15], volume [0, 15], fade [-7, 7] ; fade: positive value means decrease in volume, negative value means increase in volume ; small magnitude means quick change, large magnitude means slow change ; in signed magnitude representation, so a value of 8 is the same as (negative) 0 + const note_type_cmd ; $d0 note_type: MACRO - db $D0 | \1 + db note_type_cmd | \1 IF \3 < 0 db (\2 << 4) | (%1000 | (\3 * -1)) ELSE @@ -96,40 +114,52 @@ note_type: MACRO ENDM ; arguments: speed [0, 15] +drum_speed_cmd EQU note_type_cmd ; $d0 drum_speed: MACRO - db $D0 | \1 + db drum_speed_cmd | \1 ENDM + const_next $e0 + ; arguments: octave [1, 8] + const octave_cmd ; $e0 octave: MACRO - db $E8 - \1 + db octave_cmd | (8 - \1) ENDM + const_next $e8 + ; when enabled, effective frequency used is incremented by 1 + const toggle_perfect_pitch_cmd ; $e8 toggle_perfect_pitch: MACRO - db $E8 + db toggle_perfect_pitch_cmd ENDM + const_skip ; $e9 + ; arguments: delay [0, 255], depth [0, 15], rate [0, 15] ; delay: time delay until vibrato effect begins ; depth: amplitude of vibrato wave ; rate: frequency of vibrato wave + const vibrato_cmd ; $ea vibrato: MACRO - db $EA + db vibrato_cmd db \1 db (\2 << 4) | \3 ENDM ; arguments: length [1, 256], octave [1, 8], pitch + const pitch_slide_cmd ; $eb pitch_slide: MACRO - db $EB + db pitch_slide_cmd db \1 - 1 db ((8 - \2) << 4) | \3 ENDM ; arguments: duty cycle [0, 3] (12.5%, 25%, 50%, 75%) + const duty_cycle_cmd ; $ec duty_cycle: MACRO - db $EC + db duty_cycle_cmd db \1 ENDM @@ -139,47 +169,65 @@ ENDM ; ideally should be set to $100 or less to guarantee no overflow ; if larger than $100, large note speed or note length values might cause overflow ; stored in big endian + const tempo_cmd ; $ed tempo: MACRO - db $ED + db tempo_cmd db HIGH(\1), LOW(\1) ENDM ; arguments: left output enable mask, right output enable mask + const stereo_panning_cmd ; $ee stereo_panning: MACRO - db $EE + db stereo_panning_cmd db (\1 << 4) | \2 ENDM + const unknownmusic0xef_cmd ; $ef +unknownmusic0xef: MACRO + db unknownmusic0xef_cmd + db \1 +ENDM + ; arguments: left master volume [0, 7], right master volume [0, 7] + const volume_cmd ; $f0 volume: MACRO - db $F0 + db volume_cmd db (\1 << 4) | \2 ENDM + const_next $f8 + ; when enabled, the sfx data is interpreted as music data + const execute_music_cmd ; $f8 execute_music: MACRO - db $F8 + db execute_music_cmd ENDM + const_next $fc + ; arguments: duty cycle 1, duty cycle 2, duty cycle 3, duty cycle 4 + const duty_cycle_pattern_cmd ; $fc duty_cycle_pattern: MACRO - db $FC + db duty_cycle_pattern_cmd db \1 << 6 | \2 << 4 | \3 << 2 | \4 ENDM ; arguments: address + const sound_call_cmd ; $fd sound_call: MACRO - db $FD + db sound_call_cmd dw \1 ENDM ; arguments: count, address + const sound_loop_cmd ; $fe sound_loop: MACRO - db $FE + db sound_loop_cmd db \1 dw \2 ENDM + const sound_ret_cmd ; $ff sound_ret: MACRO - db $FF + db sound_ret_cmd ENDM |