A2osX/BIN/EDIT.S.BUF.txt

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2016-01-04 07:25:43 +00:00
NEW
2019-05-27 06:01:59 +00:00
AUTO 3,1
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.LIST OFF
*--------------------------------------
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BUF.InsertA sta TmpByte
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cpy #255
beq .8
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>LDYAI 1
jsr BUF.BufPtrSetup
bcs .9
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inx
bne .1
inc
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.1 stx BufPtrDst
sta BufPtrDst+1
jsr BUF.MoveForwardTail
.2 lda TmpByte
sta (BufPtr)
inc FileLen
bne .8
inc FileLen+1
.8 clc
.9 rts
*--------------------------------------
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BUF.InsertTAB >LDA.G FileX
and #TABMASK
bne .1
lda #TABLEN
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.1 sta TmpByte
jsr BUF.ComputeCOffset
tya
sec
adc TmpByte
bcs .8
ldy TmpByte
lda #0
jsr BUF.BufPtrSetup
bcs .9
pha
txa
clc
adc TmpByte
sta BufPtrDst
pla
adc #0
sta BufPtrDst+1
jsr BUF.MoveForwardTail
lda #C.SPACE
ldy TmpByte
dey
.2 sta (BufPtr),y
dey
bpl .2
.4 lda FileLen
clc
adc TmpByte
sta FileLen
bcc .8
inc FileLen+1
.8 clc
.9 rts
*--------------------------------------
BUF.DelCharAtCursor
lda BUF.COffset
clc
>ADC.G BufBase
sta BufPtrDst
lda BUF.COffset+1
>ADC.G BufBase+1
sta BufPtrDst+1
>LDYA BufPtrDst
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iny
bne .1
inc
.1 >STYA BufPtr
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lda (BufPtrDst)
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pha Save deleted char for later
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jsr BUF.MoveBackTail
lda FileLen
bne .5
dec FileLen+1
.5 dec FileLen
jsr BUF.ResetSel
pla Get back deleted char
clc
.9 rts
*--------------------------------------
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BUF.InsertClipboard
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>LDA.G hClipBoard
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beq .8
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>SYSCALL GetMemPtr
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>STYA ClipboardPtr
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jsr BUF.ComputeCOffset
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lda FileLen
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clc
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>ADC.G ClipboardLen
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pha
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lda FileLen+1
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iny
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adc (pData),y
ply
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cpy BufLen
sbc BufLen+1
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bcs .8
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>LDYA.G ClipboardLen
jsr BUF.BufPtrSetup
bcs .9
pha
txa
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clc
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>ADC.G ClipboardLen
sta BufPtrDst
pla
>ADC.G ClipboardLen+1
sta BufPtrDst+1
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jsr BUF.MoveForwardTail
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>LDA.G ClipboardLen
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eor #$ff
tax
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iny
lda (pData),y ClipboardLen+1
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eor #$ff
pha
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ldy #0
.1 inx
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bne .2
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pla
inc
beq .3
pha
.2 lda (ClipboardPtr),y
sta (BufPtr),y
iny
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bne .1
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inc ClipboardPtr+1
inc BufPtr+1
bra .1
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.3 >LDA.G ClipboardLen
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clc
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adc FileLen
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sta FileLen
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iny
lda (pData),y
adc FileLen+1
sta FileLen+1
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.8 clc
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.9 rts
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*--------------------------------------
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BUF.DelSel jsr BUF.GetSelLen
bcs .8
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>LDA.G SelStart
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clc
>ADC.G BufBase
sta BufPtrDst
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>LDA.G SelStart+1
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>ADC.G BufBase+1
sta BufPtrDst+1
lda BufPtrDst
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clc
adc SelLen
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sta BufPtr
lda BufPtrDst+1
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adc SelLen+1
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sta BufPtr+1
jsr BUF.MoveBackTail
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lda FileLen
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sec
sbc SelLen
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sta FileLen
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lda FileLen+1
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sbc SelLen+1
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sta FileLen+1
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jsr BUF.ResetSel
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jmp SCRN.CursorAdjust
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.8 clc
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.9 rts
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*--------------------------------------
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BUF.SelToClipboard
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jsr BUF.GetSelLen
bcs .8
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>LDA.G hClipBoard
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beq .1
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>SYSCALL FreeMem
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>STZ.G hClipBoard
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.1 >LDYA SelLen
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>SYSCALL GetMem
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bcs .9
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>STYA ClipboardPtr
txa
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>STA.G hClipBoard
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>LDA.G hBuffer
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>SYSCALL GetMemPtr
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pha
tya
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clc
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>ADC.G SelStart
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sta BufPtr
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pla
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iny SelStart+1
adc (pData),y
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sta BufPtr+1
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lda SelLen
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>STA.G ClipBoardLen
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eor #$ff
tax
iny
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lda SelLen+1
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sta (pData),y
eor #$ff
pha
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ldy #0
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.2 inx
bne .3
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pla
inc
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beq .8
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pha
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.3 lda (BufPtr),y
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sta (ClipboardPtr),y
iny
bne .2
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inc BufPtr+1
inc ClipboardPtr+1
bra .2
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.8 clc
.9 rts
*--------------------------------------
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BUF.CopyClipboard
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>LDA.G ClipboardLen
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eor #$ff
tax
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iny
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lda (pData),y
eor #$ff
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pha
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ldy #0
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.1 inx
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bne .2
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pla
inc
beq .3
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pha
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.2 lda (ClipboardPtr),y
sta (BufPtr),y
iny
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bne .1
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inc ClipboardPtr+1
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inc BufPtr+1
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bra .1
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.3 tya
clc
adc ClipboardPtr
sta ClipboardPtr
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bcc BUF.CopyAddY
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inc ClipboardPtr+1
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BUF.CopyAddY tya
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clc
adc BufPtr
sta BufPtr
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bcc .2
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inc BufPtr+1
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.2 rts
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*--------------------------------------
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BUF.MoveBackTail
ldy #0
lda BufPtr+1
pha
.1 lda (BufPtr),y
sta (BufPtrDst),y
beq .8
iny
bne .1
inc BufPtr+1
inc BufPtrDst+1
bra .1
.8 pla
sta BufPtr+1
rts
*--------------------------------------
BUF.MoveForwardTail
ldy #0
ldx #$ff
phx
.1 lda (BufPtr),y
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beq .3
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dex
bne .2
pla
dec
pha
.2 iny
bne .1
inc BufPtr+1
inc BufPtrDst+1
bra .1
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.3 lda (BufPtr),y
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sta (BufPtrDst),y
inx
bne .4
pla
inc
beq .8
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pha
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.4 tya
bne .5
dec BufPtr+1
dec BufPtrDst+1
.5 dey
bra .3
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.8 rts
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*--------------------------------------
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* Out : Y = Line Length
*--------------------------------------
BUF.ComputeCOffset
jsr BUF.GetLine
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bcs .9
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phy save line length
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>LDA.G FileX
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* clc
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adc BUF.LOffset
sta BUF.COffset
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lda #0
adc BUF.LOffset+1
sta BUF.COffset+1
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ply
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clc
.9 rts
*--------------------------------------
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BUF.GetNextLine sec
.HS 90 BCC
BUF.GetLine clc
>LDA.G FileY
adc #0
pha
iny
lda (pData),y
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adc #0
tax
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pla
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BUF.GetLineAX sta BUF.TmpLine1 Requested Line
stx BUF.TmpLine1+1
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stz BUF.TmpLine2
stz BUF.TmpLine2+1
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stz BUF.LOffset
stz BUF.LOffset+1
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>LDYA.G BufBase
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>STYA BufPtr
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.1 ldy #0
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.2 lda (BufPtr),y
beq .7
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cmp #C.CR
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beq .3
iny
bne .2
.3 lda BUF.TmpLine1
cmp BUF.TmpLine2
bne .4
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lda BUF.TmpLine1+1
cmp BUF.TmpLine2+1
beq .8
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.4 tya
sec
adc BufPtr
sta BufPtr
bcc .5
inc BufPtr+1
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.5 tya
sec
adc BUF.LOffset
sta BUF.LOffset
bcc .6
inc BUF.LOffset+1
.6 inc BUF.TmpLine2
bne .1
inc BUF.TmpLine2+1
bra .1
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.7 lda BUF.TmpLine1
cmp BUF.TmpLine2
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bne .9
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lda BUF.TmpLine1+1
cmp BUF.TmpLine2+1
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bne .9
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.8 clc Y = Line length
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rts
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.9 sec
rts
*--------------------------------------
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BUF.ResetSel lda #$ff
ldy #SelStart
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sta (pData),y
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iny
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sta (pData),y
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iny #SelEnd
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inc lda #0
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sta (pData),y
iny
sta (pData),y
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rts
*--------------------------------------
BUF.CheckSelected
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lda BUF.COffset
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ldy #SelStart
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cmp (pData),y
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lda BUF.COffset+1
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iny
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sbc (pData),y
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bcc .9 CC:COffset < SelStart
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iny #SelEnd
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lda (pData),y
clc
sbc BUF.COffset
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iny
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lda (pData),y
sbc BUF.COffset+1
* CC:SelEnd < COffset
.9 lda #0
ror $80 = selected
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rts
*--------------------------------------
BUF.GetSelLen ldy #SelEnd
lda (pData),y
sec
ldy #SelStart
sbc (pData),y
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sta SelLen
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tax
ldy #SelEnd+1
lda (pData),y
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ldy #SelStart+1
sbc (pData),y
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sta SelLen+1
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bcc .9
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bne .8
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txa
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beq .9
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.8 clc
rts
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.9 sec
rts
*--------------------------------------
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BUF.BufPtrSetup lda BUF.COffset
clc
>ADC.G BufBase
sta BufPtr
tax
lda BUF.COffset+1
>ADC.G BufBase+1
sta BufPtr+1
clc
rts
*--------------------------------------
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MAN
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SAVE USR/SRC/BIN/EDIT.S.BUF
LOAD USR/SRC/BIN/EDIT.S
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ASM