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engineMacros.asm
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;-------------------------------------------------------------------------------
; Echo
;-------------------------------------------------------------------------------
.MACRO echoEffect _track
.local _voice
.IF (_track=0)
_voice = 0
.ELSEIF (_track=1)
_voice = 1
.ELSE
_voice = 2
.ENDIF
lda #SRAM_ECHO_BANK
jsr setMMC1r1
;lda plyrEchoSpeed+_track
;cmp #$FF
;bne @doEcho
lda plyrInstrumentCopy + (_track * STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_ECHO
cmp #$FF
bne @doEcho
rts
@doEcho: and #NUMBER_OF_ECHOES-1
tay
lda echoRowsIndex,y
tay
lda SRAM_ECHOES,y
sta plyrEchoSpeed+_track
lda SRAM_ECHOES+1,y
sta plyrEchoInitAttn+_track
lda SRAM_ECHOES+2,y
sta plyrEchoAttn+_track
ldy plyrEchoIndex+_track
lda envelopePhase+_track
;cmp #ENVELOPE_RELEASE_PHASE
cmp #ENVELOPE_OFF_PHASE
;bcs @writeToBuffer
bne @writeToBuffer
.IF (_voice=0)
lda plyrEchoBuffer03_A,y
cmp #$FF
bne @readFromBuffer
.ELSEIF (_voice=1)
lda plyrEchoBuffer03_B,y
cmp #$FF
bne @readFromBuffer
.ELSE
lda plyrEchoBuffer02_D,y
cmp #$FF
bne @readFromBuffer
.ENDIF
.IF (_voice=0)
lda V_APU+$00
and #%11110000
sta V_APU+$00
.ELSEIF (_voice=1)
lda V_APU+$04
and #%11110000
sta V_APU+$04
.ELSE
lda V_APU+$0C
and #%11110000
;and #%00000000
sta V_APU+$0C
.ENDIF
jmp @writeToBuffer
@readFromBuffer:
.IF (_voice=0)
sta V_APU+$03
lda plyrEchoBuffer02_A,y
sta V_APU+$02
lda plyrEchoBuffer00_A,y
sta V_APU+$00
and #%11110000
sta tmp0
lda plyrEchoBuffer00_A,y
and #%00001111
sec
sbc plyrEchoAttn+_track
bpl @a
lda #$00
@a: ora tmp0
sta plyrEchoBuffer00_A,y
jmp @exit
@writeToBuffer:
lda plyrInstrumentCopy+(0*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_HARDFREQ
asl a
asl a
asl a
asl a
ora V_APU+$03 ;hi freq
sta plyrEchoBuffer03_A,y
lda V_APU+$02 ;lo freq
sta plyrEchoBuffer02_A,y
lda V_APU+$00 ;duty & amp
and #%11110000
sta tmp0
lda V_APU+$00
and #%00001111
sty tmp1
tay
lda VOLUME_TABLE_LO,y
sta engineTmp0
lda VOLUME_TABLE_HI,y
sta engineTmp1
ldy plyrEchoInitAttn+_track
lda (engineTmp0),y
@b: ora tmp0
ldy tmp1
sta plyrEchoBuffer00_A,y
.ELSEIF (_voice=1)
sta V_APU+$07
lda plyrEchoBuffer02_B,y
sta V_APU+$06
lda plyrEchoBuffer00_B,y
sta V_APU+$04
and #%11110000
sta tmp0
lda plyrEchoBuffer00_B,y
and #%00001111
sec
sbc plyrEchoAttn+_track
bpl @a
lda #$00
@a: ora tmp0
sta plyrEchoBuffer00_B,y
jmp @exit
@writeToBuffer:
lda plyrInstrumentCopy+(1*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_HARDFREQ
asl a
asl a
asl a
asl a
ora V_APU+$07 ;hi freq
sta plyrEchoBuffer03_B,y
lda V_APU+$06 ;lo freq
sta plyrEchoBuffer02_B,y
lda V_APU+$04 ;duty & amp
and #%11110000
sta tmp0
lda V_APU+$04
and #%00001111
sty tmp1
tay
lda VOLUME_TABLE_LO,y
sta engineTmp0
lda VOLUME_TABLE_HI,y
sta engineTmp1
ldy plyrEchoInitAttn+_track
lda (engineTmp0),y
@b: ora tmp0
ldy tmp1
sta plyrEchoBuffer00_B,y
.ELSE
sta V_APU+$0F
lda plyrEchoBuffer02_D,y
sta V_APU+$0E
lda plyrEchoBuffer00_D,y
sta V_APU+$0C
and #%11110000
sta tmp0
lda plyrEchoBuffer00_D,y
and #%00001111
sec
sbc plyrEchoAttn+_track
bpl @a
lda #$00
@a: ora tmp0
sta plyrEchoBuffer00_D,y
jmp @exit
@writeToBuffer: lda V_APU+$0E ;lo freq
sta plyrEchoBuffer02_D,y
lda V_APU+$0C ;duty & amp
and #%11110000
sta tmp0
lda V_APU+$0C
and #%00001111
sty tmp1
tay
lda VOLUME_TABLE_LO,y
sta engineTmp0
lda VOLUME_TABLE_HI,y
sta engineTmp1
ldy plyrEchoInitAttn+_track
lda (engineTmp0),y
@b: ora tmp0
ldy tmp1
sta plyrEchoBuffer00_D,y
.ENDIF
@exit: inc plyrEchoIndex+_track
lda plyrEchoIndex+_track
cmp #SIZE_OF_ECHO_BUFFER ;ECHO_MAX_DELAY
bcc @exit0
lda #$00
sta plyrEchoIndex+_track
@exit0: rts
.ENDMACRO
.MACRO plyrUpdateEchoIndex _track
.local _voice
.IF (_track=0)
_voice = 0
.ELSEIF (_track=1)
_voice = 1
.ELSE
_voice = 2
.ENDIF
lda plyrEchoCounter+_track
beq @a
dec plyrEchoCounter+_track
rts
@a: lda #$00
sta plyrEchoIndex+_track
lda plyrEchoSpeed+_track
sta plyrEchoCounter+_track
@x: rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Pitch Slide
;-------------------------------------------------------------------------------
.MACRO doPitchSlide _track
lda plyrSlideSpeed+_track
beq @slideX
bpl @slidePos
lda noteNumber+_track
clc
adc noteAddNote+_track
cmp plyrSlideDestination+_track
bcs @slideX
bcc @slideOff
@slidePos: lda noteNumber+_track
clc
adc noteAddNote+_track
cmp plyrSlideDestination+_track
bcc @slideX
@slideOff: lda plyrSlideDestination+_track
sta noteNumber+_track
lda #$00
sta plyrSlideSpeed+_track
sta noteAddFrac+_track
sta noteAddNote+_track
@slideX: rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Pitch Sweep
;-------------------------------------------------------------------------------
.MACRO doPitchSweep _track
lda #$00
sta plyrPitchSweepDelta+_track
lda plyrSlideSpeed+_track
beq @noSlide
lda plyrPitchSweepLo+_track
clc
adc plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_PSWEEPQ
sta plyrPitchSweepLo+_track
bcc @xSweep
lda plyrSlideSpeed+_track
sta plyrPitchSweepDelta+_track
rts
@noSlide: lda plyrPitchSweepLo+_track
clc
adc plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_PSWEEPQ
sta plyrPitchSweepLo+_track
bcc @xSweep
lda plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_PSWEEP
sta plyrPitchSweepDelta+_track
@xSweep: rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Vibrato
;-------------------------------------------------------------------------------
.MACRO doVibrato _track
.IF SRAM_MAP=32
lda #SRAM_VIBRATO_BANK
jsr setMMC1r1
.ENDIF
;lda #$80
;sta plyrVibSpeedLo
ldx plyrInstrumentCopy+(_track*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_VIBRATO
cpx #$FF
bne @doVib
lda #$00
sta plyrVibDelta+_track
sta plyrVibLastDelta+_track
@noVibYet:
rts
@doVib: lda vibratoRowsIndex,x
tax
lda plyrNoteCounter+_track
cmp SRAM_VIBRATOS+VIBRATO_COLUMN_DELAY,x ;*SRAM*
bcc @noVibYet
lda plyrSlideSpeed+_track
bne @noVibYet
lda #$00 ;zero delta so can be called every frame
sta plyrVibDelta+_track
lda SRAM_VIBRATOS+VIBRATO_COLUMN_ACCELERATE,x ;*SRAM*
beq @noAcc
lda plyrVibDepthMod+_track
cmp SRAM_VIBRATOS+VIBRATO_COLUMN_DEPTH,x ;*SRAM*
beq @accVib
lda plyrVibDepthModCounter+_track
clc
adc SRAM_VIBRATOS+VIBRATO_COLUMN_ACCELERATE,x ;*SRAM*
sta plyrVibDepthModCounter+_track
bcc @accVib
inc plyrVibDepthMod+_track
jmp @accVib
@noAcc: lda SRAM_VIBRATOS+VIBRATO_COLUMN_DEPTH,x ;*SRAM*
sta plyrVibDepthMod+_track
@accVib: lda plyrVibDepthMod+_track
beq @yVib
lda SRAM_VIBRATOS+VIBRATO_COLUMN_SPEED,x ;*SRAM*
beq @yVib
lda plyrVibSpeedCounter+_track
clc
;adc plyrVibSpeedLo+_track
adc plyrInstrumentCopy+(_track*STEPS_PER_INSTRUMENT)+INSTRUMENT_ROW_PSWEEPQ
sta plyrVibSpeedCounter+_track
bcc @xVib
lda plyrVibPos+_track
clc
adc SRAM_VIBRATOS+VIBRATO_COLUMN_SPEED,x ;*SRAM*
;adc plyrVibDepthMod+_track
and #$3F
sta plyrVibPos+_track
tay
;lda sineTable,y
lda triTable,y
jsr @scaleVib
sta engineTmp2
sec
sbc plyrVibLastDelta+_track
sta plyrVibDelta+_track
lda engineTmp2
sta plyrVibLastDelta+_track
@xVib: rts
@yVib: lda #$00
;sta noteAddFrac
;sta noteAddNote
sta plyrVibPos+_track
sta plyrVibLastDelta+_track
rts
@scaleVib:
cpy #$1f
bcs @negative
sta engineTmp2
lda #$0F
sec
;sbc SRAM_VIBRATOS+VIBRATO_COLUMN_DEPTH,x
sbc plyrVibDepthMod+_track
beq @x1
tay
lda divideLo,y
sta engineTmp0
lda divideHi,y
sta engineTmp1
lda engineTmp2
tay
lda (engineTmp0),y
rts
@x1: lda engineTmp2
rts
@negative:
sta engineTmp2
lda #$10
sec
;sbc SRAM_VIBRATOS+VIBRATO_COLUMN_DEPTH,x
sbc plyrVibDepthMod+_track
beq @y1
tay
lda divideLo,y
sta engineTmp0
lda divideHi,y
sta engineTmp1
lda engineTmp2
tay
lda (engineTmp0),y
eor #$FF
clc
adc #$01
rts
@y1: lda engineTmp2
eor #$FF
clc
adc #$01
rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Add To Pitch
;-------------------------------------------------------------------------------
.MACRO addToPitch _voice
bmi @subtract
clc
adc noteAddFrac+_voice
sta engineTmp2
and #$0F
sta noteAddFrac+_voice
lda engineTmp2
lsr a
lsr a
lsr a
lsr a
clc
adc noteAddNote+_voice
sta noteAddNote+_voice
clc
adc noteNumber+_voice
sec
sbc #$5F
beq @a
bmi @a
sec
sbc noteNumber+_voice
sta noteAddNote+_voice
lda #$00
sta noteAddFrac+_voice
@a: rts
@subtract:
clc
adc noteAddFrac+_voice
sta engineTmp2
and #$0F
sta noteAddFrac+_voice
lda engineTmp2
eor #$FF
clc
adc #$10
lsr a
lsr a
lsr a
lsr a
sta engineTmp0
sec
lda noteAddNote+_voice
sbc engineTmp0
sta noteAddNote+_voice
clc
adc noteNumber+_voice
bpl @b
clc
adc #$5F
sec
sbc noteNumber+_voice
sta noteAddNote+_voice
@b: rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Scale Amplitude
;-------------------------------------------------------------------------------
.MACRO scaleVolume _track
tay
lda VOLUME_TABLE_LO,y
sta engineTmp0
lda VOLUME_TABLE_HI,y
sta engineTmp1
ldy plyrInstrumentCopy + (_track * STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_LEVEL
lda (engineTmp0),y
tay
lda VOLUME_TABLE_LO,y
sta engineTmp0
lda VOLUME_TABLE_HI,y
sta engineTmp1
ldy plyrTableVolume+_track
lda (engineTmp0),y
.ENDMACRO
;-------------------------------------------------------------------------------
; Get Note
;-------------------------------------------------------------------------------
.MACRO getNote _track
clc
adc noteAddNote+_track
cmp #NUMBER_OF_NOTES
bcc @notOver
bmi @x
sec
lda #NUMBER_OF_NOTES
@notOver:
tay
lda octaveShiftTable,y
pha
lda note2Table,y
clc
adc noteAddFrac+_track
tay
lda Tone2PeriodLo,y
sta getNoteTemp0
lda Tone2PeriodHi,y
sta getNoteTemp1
pla
beq @getNoteB
tay
@getNoteA:
lsr getNoteTemp1
ror getNoteTemp0
dey
bne @getNoteA
@getNoteB:
lda getNoteTemp0
ldy getNoteTemp1
@x: rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Run (Pitch) Table
;-------------------------------------------------------------------------------
.MACRO runTable _track
lda plyrPlaying
beq @notPlaying
.IF (_track<4)
ldx plyrInstrumentCopy + (_track * STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_TABLE
.ELSE
ldx plyrTableTrackE
.ENDIF
cpx #$FF
bne @runTable
.IF (_track<4)
lda #$0F
sta plyrTableVolume+_track
lda #$00
sta plyrTablePitch+_track
.ENDIF
@notPlaying:
rts
@runTable:
.IF SRAM_MAP=32
lda #SRAM_TABLE_BANK
jsr setMMC1r1
.ENDIF
lda editTableAddressLo,x
sta plyrTableVector
lda editTableAddressHi,x
sta plyrTableVector+1
lda plyrTableDoStep+_track
bne @doStep
@noStep: ;lda plyrTableCounter+_track
;clc
;adc plyrTableSpeed+_track
;sta plyrTableCounter+_track
lda plyrTableSpeed+_track
and #%11111110
clc
adc plyrTableCounter+_track
sta plyrTableCounter+_track
bcc @xxx
.IF (_track=4)
lda #$81
sta plyrKeyOn+$04
.ENDIF
lda plyrTableJump+_track
bpl @doJump
lda plyrTableIndex+_track
clc
adc #$01
and #STEPS_PER_TABLE-1
@doJump: sta plyrTableIndex+_track
lda #$FF
sta plyrTableJump+_track
sta plyrTableDoStep+_track
@xxx: rts
@doStep: ldy plyrTableIndex+_track
lda tableRowsIndex2,y
tay
lda (plyrTableVector),y ;*SRAM* fx1
sta plyrFxTemp1
iny
lda (plyrTableVector),y ;*SRAM* fx1 data
sta plyrFxDataTemp1
iny
lda (plyrTableVector),y ;*SRAM* fx2
sta plyrFxTemp2
cmp #COMMAND_H
bne @notJump
iny
lda (plyrTableVector),y
jsr randomRangeNumber
cmp plyrTableIndex+_track
beq @noJumping
sta plyrTableIndex+_track
lda #$01
sta plyrTableDoStep+_track
lda #$FF
sta plyrTableJump+_track
jmp @doStep
@noJumping:
lda #$FF
sta plyrTableJump+_track
@notJump:
iny
lda (plyrTableVector),y ;*SRAM* fx2 data
sta plyrFxDataTemp2
lda #$FF
sta plyrTableJump+_track
lda #$01
sta plyrFxType
ldy plyrFxTemp1
bmi @noFX1
lda plyrFxDataTemp1
ldx #_track
jsr plyrDoCommand
@noFX1:
ldy plyrFxTemp2
bmi @noFX2
lda plyrFxDataTemp2
ldx #_track
jsr plyrDoCommand
@noFX2:
.IF (_track=4)
ldx plyrCurrentInstrument+_track
lda plyrCurrentNote+_track
cmp SRAM_DRUMKIT_ROOTS,x ;*SRAM*
bcc @xxx
sbc SRAM_DRUMKIT_ROOTS,x ;*SRAM*
cmp #$0C
bcs @xxx
tax
lda drumkitRowsIndex,x
tax
.ENDIF
ldy plyrTableIndex+_track
lda tableRowsIndex,y
tay
lda (plyrTableVector),y ;*SRAM* volume scale or DPCM pitch
.IF (_track<4)
sta plyrTableVolume+_track
.ELSE
inx
sta plyrInstrumentCopyE,x
.ENDIF
iny
lda (plyrTableVector),y ;*SRAM* pitch offset or DPCM sample number
.IF (_track<4)
sta plyrTablePitch+_track
.ELSE
dex
sta plyrInstrumentCopyE,x
.ENDIF
lda #$00
sta plyrTableDoStep+_track
jmp @noStep
rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Run Duty Table
;-------------------------------------------------------------------------------
.MACRO runDutyTable _track
.IF (_track=0) || (_track=1)
lda plyrInstrumentCopy + (_track * STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_DUTY
cmp #$04
bcs @runDuty
tax
lda DUTY_TABLE,x
sta plyrCurrentDuty + _track
rts
@runDuty: sbc #$04
tax
lda plyrDutyTableDelay+_track
beq @moreDuty
dec plyrDutyTableDelay+_track
rts
@moreDuty:
lda editDutyAddressLo,x
sta plyrDutyVector
lda editDutyAddressHi,x
sta plyrDutyVector+1
.IF SRAM_MAP=32
lda #SRAM_DUTY_BANK
jsr setMMC1r1
.ENDIF
lda plyrDutyIndex+_track
tay
lda dutyRowsIndex,y
tay
lda (plyrDutyVector),y ;*SRAM*
sta plyrCurrentDuty+_track
iny
lda (plyrDutyVector),y ;*SRAM*
sta plyrDutyTableDelay+_track
iny
lda (plyrDutyVector),y ;*SRAM*
cmp #$FF
bne @dutyJump
lda plyrDutyIndex+_track
clc
adc #$01
and #STEPS_PER_DUTY_TABLE-1
@dutyJump:
sta plyrDutyIndex+_track
.ENDIF
rts
.ENDMACRO
;-------------------------------------------------------------------------------
; Refresh Voice
;-------------------------------------------------------------------------------
.MACRO refreshVoice _track
.IF (_track=4)
jsr @doTable
.ENDIF
lda #$01
sta plyrFxType
.IF (_track=0) || (_track=1)
jsr @doDuty
.ENDIF
.IF (_track < 4)
jsr @doTable
jsr @doADSR
jsr @doChord
.ENDIF
.IF (_track<3)
jsr @doPitchSlide
jsr @doPitchSweep
jsr @doVibrato
.ENDIF
.IF (_track<3)
lda plyrVibDelta+_track
clc
adc plyrPitchSweepDelta+_track
jsr @addToPitch
.ENDIF
.IF (_track<4)
lda plyrTablePitch+_track
cmp #$60
bcc @posPitch
cmp #NUMBER_OF_NOTES+$60
bcs @posPitch
sec
sbc #$60
jmp @absPitch
@posPitch:
clc
adc noteNumber+_track
clc
adc plyrPatternChordNote+_track
@absPitch:
.IF (_track<3)
jsr @getNote
sta pitchLo+_track
sty pitchHi+_track
.ELSEIF (_track=3)
clc
adc plyrPatternChordNote+_track
cmp #$10
bcc @notToneNoise
and #$0F
ora #$80
@notToneNoise:
sta pitchLo+_track
.ENDIF
.IF (_track < 3)
lda pitchLo+_track
sta V_APU+(_track * 4)+2
lda pitchHi+_track
sta V_APU+(_track * 4)+3
.ELSEIF (_track=3)
lda pitchLo+_track
sta V_APU+$0E
.ENDIF
.IF (_track < 3)
lda V_APU+(_track*4)+2
clc
adc plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_DETUNE
sta V_APU+(_track*4)+2
lda V_APU+(_track*4)+3
adc plyrDetuneHi+_track
and #$07
sta V_APU+(_track*4)+3
lda plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_SWEEP
eor #$FF
clc
adc #$01
bmi @negDetuneSweep
clc
adc plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_DETUNE
sta plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_DETUNE
lda plyrDetuneHi+_track
adc #$00
sta plyrDetuneHi+_track
jmp @skipDetuneSweep
@negDetuneSweep:
clc
adc plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_DETUNE
sta plyrInstrumentCopy + (_track*STEPS_PER_INSTRUMENT) + INSTRUMENT_ROW_DETUNE
lda plyrDetuneHi+_track
adc #$FF
sta plyrDetuneHi+_track
@skipDetuneSweep:
.ENDIF
.IF (_track=0) || (_track=1)
lda envelopeAmp+_track
scaleVolume _track
eor plyrCurrentDuty+_track
ora #$30
sta V_APU+(_track * 4)+0
.ENDIF
.IF _track = 2
lda plyrTableVolume+_track
beq @zeroC
lda envelopeAmp+_track
beq @zeroC
lda #$81
@zeroC: sta V_APU+$08
.ENDIF
.IF _track = 3
lda envelopeAmp+_track
scaleVolume _track
ora #$30
sta V_APU+(3 * 4)+0
.ENDIF
.ENDIF
.IF SRAM_MAP=32
lda #SRAM_HEADER_BANK
jsr setMMC1r1
.ENDIF
ldy editorCurrentSong
lda #$00
sta plyrDpcmMuted
lda SRAM_SONG_MUTE,y
and SetBits+_track
beq @noMute
.IF (_track<2)||(_track=3)
lda V_APU+(_track*4)+0
and #%11110000
sta V_APU+(_track*4)+0
.ENDIF
.IF (_track=2)
lda #$00
sta V_APU+$08
.ENDIF
.IF (_track=4)
;handle DPCM
inc plyrDpcmMuted
.ENDIF
@noMute:
lda SRAM_SONG_SOLO,y
bmi @noSolo
cmp #_track
beq @noSolo
.IF (_track<2)||(_track=3)
lda V_APU+(_track*4)+0
and #%11110000
sta V_APU+(_track*4)+0
.ENDIF
.IF (_track=2)
lda #$00
sta V_APU+$08
.ENDIF
.IF (_track=4)
inc plyrDpcmMuted
.ENDIF
@noSolo:
rts
.IF (_track<4)
;-------------------------------------------------------------------------------
; Pitch Sweep Call
;-------------------------------------------------------------------------------
@doPitchSweep:
.IF (_track<3)
doPitchSweep _track
.ELSE
.ENDIF
rts
;-------------------------------------------------------------------------------
; Pitch Slide Call
;-------------------------------------------------------------------------------
@doPitchSlide:
.IF (_track<3)
doPitchSlide _track
.ENDIF
rts
;-------------------------------------------------------------------------------
; Vibrato Call
;-------------------------------------------------------------------------------
@doVibrato:
.IF (_track<3)
doVibrato _track
.ENDIF
rts
;-------------------------------------------------------------------------------
; ADSR Call
;-------------------------------------------------------------------------------
@doADSR:
.IF (_track<4)
doADSR _track
.ENDIF
rts
;-------------------------------------------------------------------------------
; Get Note Call
;-------------------------------------------------------------------------------
@getNote: .IF (_track < 3)
getNote _track
.ENDIF
rts
;-------------------------------------------------------------------------------
; Duty Call
;-------------------------------------------------------------------------------
@doDuty: .IF (_track=0) | (_track=1)
runDutyTable _track
.ENDIF
rts
;-------------------------------------------------------------------------------
; Add To Pitch Call
;-------------------------------------------------------------------------------
@addToPitch:
.IF (_track<3)
addToPitch _track
.ENDIF
rts
;-------------------------------------------------------------------------------
; Chord Call
;-------------------------------------------------------------------------------
@doChord:
lda plyrChordNotes+_track
ldy plyrPatternChordIndex+_track
bne @notRoot
sty plyrPatternChordNote+_track