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editPattern.asm
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editPattern.asm
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editPattern:
.IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
ldx patternCursorY
lda patternRowsIndex,x
ldx editorCurrentPattern
clc
adc editPatternAddressLo,x
sta patternVector
lda editPatternAddressHi,x
adc #$00
sta patternVector+1
lda writeScreen ;need to write screen?
beq @a
jsr writePatternScreen ;yes
dec writeScreen ;if writeScreen was 1, only write main window, else
beq @a ; write header and title too
jsr writePatternHeaderFooter
dec writeScreen ;reset screen writing flag
lda #$01
sta dmaUpdateHeader
sta dmaUpdateTitle
jmp editorLoop
@a: jsr globalKeys ;global keys
lda writeScreen ;if mode has changed, this flag will be !=0
beq @b
jmp editPatternExit ;if changed, don't do any more keys
@b: jsr processKeys
.IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
jsr patternHintSystem
ldy patternCursorX
jsr patternKeysHoldA_UDLR
ldy patternCursorX
jsr patternKeysTapA
jsr patternKeysTapB
ldy patternCursorX
jsr patternKeysHoldB_UD
jsr patternKeysSelect_UDLR
jsr patternKeysHoldAB_TapUDLR
lda PAD1_firea
bne @c
lda #$FF
sta patternLastNote
lda editPatternLastValue
and #%01111111
sta editPatternLastValue
@c: jsr moveAroundEditor ;global routine for moving around editors
editPatternExit:
updateCursor patternCursorX,patternCursorY,patternCursorColumns,patternCursorRows,patternColumnCursorType
jsr patternPlayMarkers
;lda #%11111111
;sta PPU1
jsr patternIsPatternEmpty
;lda #%00011110
;sta PPU1
jsr patternSmartTranspose
;jsr patternTapSelect
;jsr patternBlock
;jsr patternDisplayBlock
jmp editorLoop
patternTapSelect:
lda keysTapSel
beq @doBlock
lda PAD1_firea
ora PAD1_fireb
bne @doBlock
lda blockMode
eor #$FF
sta blockMode
beq @blockOff
lda patternCursorY
sta blockStart
sta blockEnd
sta blockOrigin
rts
@blockOff: lda #$01
sta writeScreen
lda #$00
sta blockMode
lda #$FF
sta blockStart
sta blockEnd
sta blockOrigin
@doBlock: rts
patternBlock: lda blockMode
beq @x
lda patternCursorY
cmp blockOrigin
bcs @end
cmp blockStart
beq @a
bcc @a
;lda blockStart
;jsr patternBlockUnmark
lda patternCursorY
sta blockStart
rts
@a: sta blockStart
;jsr patternBlockMark
rts
@end: cmp blockEnd
bcs @b
;lda blockEnd
;jsr patternBlockUnmark
lda patternCursorY
sta blockEnd
rts
@b: sta blockEnd
bne @c
lda blockStart
cmp blockOrigin
bcs @c
;jsr patternBlockUnmark
lda blockOrigin
sta blockStart
@c: ;lda blockEnd
;jsr patternBlockMark
@x: rts
patternDisplayBlock:
lda blockMode
beq @x
lda blockEnd
sec
sbc blockStart
sta tmp0
lda blockStart
tax
lda rowOffsetPattern,x
tax
@b: ldy #$00
@a: lda windowBuffer,x
ora #$40
sta windowBuffer,x
inx
iny
cpy #10
bcc @a
inx
inx
inx
inx
dec tmp0
bpl @b
lda #$01
sta writeScreen
@x: rts
patternSmartTranspose:
.IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
lda PAD1_firea
beq @x
lda PAD1_sel
beq @x
lda PAD1_dlr
bne @transpose
lda PAD1_dud
eor #$FF
clc
adc #$01
bne @transpose
@x: rts
@transpose: sta tmp4
ldy editorCurrentPattern
lda editPatternAddressLo,y
sta tmp0
lda editPatternAddressHi,y
sta tmp1
ldy patternCursorX
cpy #PATTERN_COLUMN_COMMAND
bcc @notCommand
ldy #PATTERN_COLUMN_COMMAND_DATA
lda (patternVector),y
sta tmp3
dey
@notCommand: lda (patternVector),y
sta tmp2
lda patternCursorX
cmp #PATTERN_COLUMN_NOTE
beq @notCom1
cmp #PATTERN_COLUMN_INSTRUMENT
beq @tranIns
jmp @tranCom
@tranIns: tay
lda (tmp0),y
cmp #$FF
beq @noIns
ldx PAD1_dud
beq @freeIns
cmp tmp2
bne @noIns
@freeIns: clc
adc tmp4
bmi @noIns
cmp #NUMBER_OF_INSTRUMENTS
bcs @noIns
sta (tmp0),y
@noIns: tya
clc
adc #BYTES_PER_PATTERN_STEP
cmp #(STEPS_PER_PATTERN * BYTES_PER_PATTERN_STEP)
bcc @tranIns
ldy patternCursorX
lda (patternVector),y
sta editBuffer
lda #$01
sta writeScreen
rts
@notCom1: tay
lda (tmp0),y
cmp #$FF
beq @noNote
ldx PAD1_dud
beq @free
cmp tmp2
bne @noNote
@free: clc
adc tmp4
cmp #$FF
beq @noNote
cmp #NUMBER_OF_NOTES + $80
bcs @noNote
sta (tmp0),y
@noNote: tya
clc
adc #BYTES_PER_PATTERN_STEP
cmp #(STEPS_PER_PATTERN * BYTES_PER_PATTERN_STEP)
bcc @notCom1
lda #$01
sta writeScreen
lda patternCursorX
cmp #PATTERN_COLUMN_NOTE
bne @x2
lda #$00
sta editorPlayingNote
ldy patternCursorX
lda (patternVector),y
sta editBuffer
and #$7F
jmp patternPlayNote
@x2: rts
@tranCom: cmp #PATTERN_COLUMN_COMMAND
bne @comData
@tranCom1: tay
lda (tmp0),y
cmp #$FF
beq @noCom
ldx PAD1_dud
beq @freeCom
cmp tmp2
bne @noCom
@freeCom: clc
adc tmp4
bmi @noCom
cmp #COMMAND_Z
bcs @noCom
sta (tmp0),y
@noCom: tya
clc
adc #BYTES_PER_PATTERN_STEP
cmp #(STEPS_PER_PATTERN * BYTES_PER_PATTERN_STEP)
bcc @notCom1
ldy patternCursorX
lda (patternVector),y
sta editBuffer
lda #$01
sta writeScreen
rts
@comData: tay
dey
tya
@comData1: tay
lda (tmp0),y
cmp #$FF
beq @noComData
ldx PAD1_dud
beq @freeComData
cmp tmp2
bne @noComData
@freeComData: iny
lda (tmp0),y
clc
adc tmp4
sta (tmp0),y
dey
@noComData: tya
clc
adc #BYTES_PER_PATTERN_STEP
cmp #(STEPS_PER_PATTERN * BYTES_PER_PATTERN_STEP)
bcc @comData1
ldy patternCursorX
lda (patternVector),y
sta editBuffer
lda #$01
sta writeScreen
rts
patternHintSystem:
ldy patternCursorX
cpy #PATTERN_COLUMN_COMMAND
bcc @x
lda PAD1_sel
bne @x
lda PAD1_firea
bne @a
lda hintMode
beq @x
@c: lda #$00
sta hintMode
lda #$81
sta writeScreen
rts
@a: clc
adc hintMode
cmp #$20
bcc @b
lda editBuffer
;cmp #$FF
;beq @c
ldy patternCursorX
cpy #PATTERN_COLUMN_COMMAND
beq @d
dey
lda (patternVector),y
cmp #$FF
beq @x
@d: ldy patternCursorY
jsr editorShowHint
rts
@b: sta hintMode
@x: rts
patternPlayMarkers: ldx editorCurrentTrack
lda plyrCurrentPattern,x
cmp editorCurrentPattern
bne @x
lda plyrPatternIndex,x
sec
sbc #$01
and #STEPS_PER_PATTERN-1
tay
lda patternCursorRows,y
sec
sbc #$01
sta SPR05_Y
sta SPR06_Y
lda #SPR_RIGHT_ARROW
sta SPR05_CHAR
lda hintMode
cmp #$1F
bcs @x
lda #SPR_LEFT_ARROW
sta SPR06_CHAR
lda #26+48
sta SPR05_X
clc
adc #11*8
sta SPR06_X
@x: rts
patternKeysHoldAB_TapUDLR:
;lda keysHoldA
;beq @x
;lda keysHoldB
;beq @x
lda PAD1_firea
beq @x
lda PAD1_fireb
beq @x
lda PAD1_dud
beq @noUD
bpl @down
jsr patternDeleteRow
ldy patternCursorX
lda (patternVector),y
cmp #$FF
beq @a
sta editPatternLastValue,x
@a: sta editBuffer
lda #$01
sta editBufferFlag
@a1: lda #$81
sta writeScreen
rts
@down: jsr patternInsertRow
ldy patternCursorX
lda (patternVector),y
sta editBuffer
lda #$81
sta writeScreen
lda #$01
sta editBufferFlag
rts
@noUD: lda PAD1_dlr
beq @x
@x: rts
patternDeleteRow:
ldx editorCurrentPattern
lda editPatternAddressLo,x
sta tmp0
lda editPatternAddressHi,x
sta tmp1
lda patternCursorY
cmp #STEPS_PER_PATTERN-1
beq @x
sta tmp2
@a: ldy tmp2
iny
lda patternRowsIndex,y
tay
lda (tmp0),y ;note
pha
iny
lda (tmp0),y ;ins
pha
iny
lda (tmp0),y ;fx
pha
iny
lda (tmp0),y ;fx data
dey
dey
dey
dey
sta (tmp0),y ;fx data
dey
pla
sta (tmp0),y ;fx
dey
pla
sta (tmp0),y ;ins
dey
pla
sta (tmp0),y ;note
inc tmp2
lda tmp2
cmp #STEPS_PER_PATTERN-1
bne @a
tay
lda patternRowsIndex,y
tay
lda #$FF
sta (tmp0),y
iny
sta (tmp0),y
iny
sta (tmp0),y
iny
lda #$00
sta (tmp0),y
@x: rts
patternInsertRow: ldx editorCurrentPattern
lda editPatternAddressLo,x
sta tmp0
lda editPatternAddressHi,x
sta tmp1
lda patternCursorY
cmp #STEPS_PER_PATTERN-1
beq @x
tay
lda patternRowsIndex,y
sta tmp2
ldy #STEPS_PER_PATTERN-1
lda patternRowsIndex,y
tay
@a: dey
lda (tmp0),y ;fx data
pha
dey
lda (tmp0),y ;fx
pha
dey
lda (tmp0),y ;ins
pha
dey
lda (tmp0),y ;note
iny
iny
iny
iny
sta (tmp0),y ;note
iny
pla
sta (tmp0),y ;ins
iny
pla
sta (tmp0),y ;fx
iny
pla
sta (tmp0),y ;fx data
dey
dey
dey
dey
dey
dey
dey
bmi @x
cpy tmp2
beq @x
bcs @a
@x: rts
patternKeysSelect_UDLR:
lda PAD1_sel
beq @x
lda PAD1_fireb
ora PAD1_firea
bne @x
lda PAD1_dud
ora keysRepeatUD
beq @noUD
clc
adc editorCurrentPattern
bpl @a
lda #$00
beq @b
@a: cmp #NUMBER_OF_PATTERNS
bcs @x
@b: sta editorCurrentPattern
lda #$02
sta writeScreen
jmp @x
@noUD: lda PAD1_dlr
beq @x
bmi patternCopyData
jsr patternPasteData
@x: .IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
rts
patternKeysHoldB_UD:
lda PAD1_sel
beq @x
lda keysHoldB
beq @x
lda PAD1_firea
bne @x
lda PAD1_dud
beq @x
.IF SRAM_MAP=32
lda #SRAM_CHAIN_BANK
jsr setMMC1r1
.ENDIF
ldx editorCurrentChain
lda editChainAddressLo,x
sta chainVector
lda editChainAddressHi,x
sta chainVector+1
lda editChainIndex
clc
adc PAD1_dud
bmi @x
cmp #STEPS_PER_CHAIN
bcs @x
asl a
tay
lda (chainVector),y
cmp #$FF
beq @x
sta editorCurrentPattern
tya
lsr a
sta editChainIndex
lda #$02
sta writeScreen
@x: .IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
rts
patternCopyData: lda editorMode
sta copyBufferObjectType
ldx editorCurrentPattern
stx copyBufferObject
lda editPatternAddressLo,x
sta tmp0
lda editPatternAddressHi,x
sta tmp1
ldx #$00
ldy patternCursorY
sty copyBufferStartIndex
lda patternRowsIndex,y
tay
@copyLoop: lda (tmp0),y
sta copyBuffer,x
inx
iny
cpy #(STEPS_PER_PATTERN*BYTES_PER_PATTERN_STEP)
bcc @copyLoop
stx copyBufferLength
@x:
jsr editorUpdateCopyInfo
rts
patternPasteData: lda copyBufferObjectType
bmi @x ;nothing to copy
cmp editorMode
bne @x ;wrong object type
ldx editorCurrentPattern
lda editPatternAddressLo,x
sta tmp0
lda editPatternAddressHi,x
sta tmp1
ldy patternCursorY
lda patternRowsIndex,y
tay
ldx #$00
@b: lda copyBuffer,x
sta (tmp0),y
inx
iny
cpx copyBufferLength
bcs @a
cpy #(STEPS_PER_PATTERN*BYTES_PER_PATTERN_STEP)
bcc @b
@a: lda #$01
sta writeScreen
rts
@x: lda #ERROR_PASTE
sta errorMessageNumber
rts
patternKeysHoldA_UDLR:
lda PAD1_fireb
ora PAD1_sel
beq @noB
@x2: rts
@noB: lda PAD1_firea
bne @holdA
lda editBufferFlag
beq @x2
lda editBuffer
sta (patternVector),y
@notEditing:
lda #$00
sta editBufferFlag
lda editBuffer
jsr editPatternUpdateScreenValue
ldy editorCurrentTrack
lda plyrKillCounter,y
bne @killing
lda #$00
sta editorPlayingNote
@killing: jmp @x
@holdA: ldy patternCursorX
lda editBufferFlag
bne @editing
inc editBufferFlag
lda (patternVector),y
cpy #PATTERN_COLUMN_COMMAND_DATA
beq @notEmpty
cmp #$FF
bne @notEmpty
lda editPatternLastValue,y
@notEmpty: sta editBuffer
jsr editPatternUpdateScreenValue
lda PAD1_fireb
bne @noNote
@editing: jsr patternPlayNote
@noNote: ldy patternCursorX
lda keysRepeatLR
ora PAD1_dlr
bne @addValue
lda keysRepeatUD
ora PAD1_dud
beq @x
bpl @negative
lda patternPositiveAdd,y
jmp @addValue
@negative: lda patternNegativeAdd,y
@addValue: clc
adc editBuffer
cpy #PATTERN_COLUMN_NOTE
bne @notNote
and #$FF
bmi @negNote
cmp #$70
bcc @negNote1
lda #$80
jmp @noLimit
@negNote1: cmp #NUMBER_OF_NOTES
bcc @noLimit
lda #NUMBER_OF_NOTES
jmp @noLimit
@negNote: cmp #$F0
bcc @negNote0
lda #$00
beq @noLimit
@negNote0: cmp #NUMBER_OF_NOTES+$80
bcc @noLimit
lda #NUMBER_OF_NOTES+$80
jmp @noLimit
@notNote: cpy #PATTERN_COLUMN_COMMAND_DATA
beq @noLimit
and #$FF
bpl @notNeg
lda #$00
beq @noLimit
@notNeg: cmp patternMaxValues,y
bcc @noLimit
lda patternMaxValues,y
sec
sbc #$01
@noLimit: sta editPatternLastValue,y
sta editBuffer
jsr editPatternUpdateScreenValue
lda #$00
sta editorPlayingNote
@x: rts
patternKeysTapB:
lda PAD1_sel
beq @x
lda keysTapB
beq @x
lda patternClearValues,y
sta (patternVector),y
sta editBuffer
jsr editPatternUpdateScreenValue
@x: rts
patternKeysTapA: lda keysTapA
beq @x
.IF 0=1
lda PAD1_fireb
beq @notDel
lda patternClearValues,y
sta (patternVector),y
sta editBuffer
jsr editPatternUpdateScreenValue
rts
.ENDIF
@notDel: lda PAD1_sel
beq @notSel
cpy #PATTERN_COLUMN_NOTE
bne @x
lda (patternVector),y
eor #$80
sta (patternVector),y
jsr editPatternUpdateScreenValue
rts
@notSel:
lda editPatternLastValue,y
sta editBuffer
sta (patternVector),y
sta editBuffer
jsr editPatternUpdateScreenValue
jsr patternPlayNote2
@x: rts
patternIsPatternEmpty:
ldx editorCurrentPattern
.IF SRAM_MAP=32
lda #SRAM_HEADER_BANK
jsr setMMC1r1
.ENDIF
lda SRAM_PATTERN_FLAGS,x
and #%11111101
sta SRAM_PATTERN_FLAGS,x
.IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
ldx editorCurrentPattern
lda editPatternAddressLo,x
sta tmp0
lda editPatternAddressHi,x
sta tmp1
ldy #$00
@a: lda (tmp0),y
cmp #$FF
bne @notEmpty
iny
lda (tmp0),y
cmp #$FF
bne @notEmpty
iny
lda (tmp0),y
cmp #$FF
bne @notEmpty
iny
iny
cpy #(STEPS_PER_PATTERN * BYTES_PER_PATTERN_STEP)
bcc @a
rts
@notEmpty: .IF SRAM_MAP=32
lda #SRAM_HEADER_BANK
jsr setMMC1r1
.ENDIF
lda SRAM_PATTERN_FLAGS,x
ora #%00000010
sta SRAM_PATTERN_FLAGS,x
rts
patternClearValues:
.BYTE $FF,$FF,$FF,$00
patternMaxValues:
.BYTE NUMBER_OF_NOTES+$80,NUMBER_OF_INSTRUMENTS,(editorCommandsEnd-editorCommands),0
patternPositiveAdd:
.BYTE $0C,$10,$01,$10
patternNegativeAdd:
.BYTE -12,-16,-1,-16
patternPlayNote: ldy patternCursorX
cpy #PATTERN_COLUMN_NOTE
beq @a
rts
@a: .IF SRAM_MAP=32
lda #SRAM_HEADER_BANK
jsr setMMC1r1
.ENDIF
lda SRAM_HEADER_PRELISTEN
beq @x
@b: lda editorPlayingNote
bne @playing
lda #$01
sta editorPlayingNote
ldy editorCurrentTrack
lda editBuffer
and #$7F
sta plyrCurrentNote,y
clc
adc plyrCurrentChainTranspose,y
lda #$01
sta plyrKeyOn,y
lda #$00
sta plyrRetriggerSpeed,y
@playing: ldx editorCurrentTrack
lda #$20
sta plyrKillCounter,x
@x: .IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
rts
patternPlayNote2: lda editorPlayingNote
bne patternStopNote
ldy patternCursorX
cpy #PATTERN_COLUMN_NOTE
bne @x
.IF SRAM_MAP=32
lda #SRAM_HEADER_BANK
jsr setMMC1r1
.ENDIF
lda SRAM_HEADER_PRELISTEN
beq @x
ldy editorCurrentTrack
lda editBuffer
and #$7F
sta plyrCurrentNote,y
lda #$01
sta plyrKeyOn,y
lda #$00
sta plyrRetriggerSpeed,y
ldx editorCurrentTrack
lda #$20
sta plyrKillCounter,x
.IF SRAM_MAP=32
lda #SRAM_PATTERN_BANK
jsr setMMC1r1
.ENDIF
@x: rts
patternStopNote: ldy patternCursorX
cpy #PATTERN_COLUMN_NOTE
bne @x
lda SRAM_HEADER_PRELISTEN
beq @x
lda #$00
sta editorPlayingNote
ldy editorCurrentTrack
lda #$01
sta plyrKillCounter,y
lda #$00
sta plyrKeyOn,y
lda #$FF
sta patternLastNote
@x: rts
printPatternCommand:
cmp #$FF
bne @a
lda #CHR_EMPTY
sta windowBuffer,x
inx
rts
@a: sty tmp2
tay
lda editorCommands,y
sta windowBuffer,x
ldy tmp2
inx
rts
editPatternUpdateScreenValue:
pha
ldx patternCursorY
lda rowOffsetPattern,x
ldx patternCursorX
clc
adc columnOffsetPattern,x
tax