mirror of https://github.com/A2osX/A2osX.git
581 lines
8.2 KiB
Plaintext
581 lines
8.2 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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*--------------------------------------
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BUF.InsertA sta TmpByte
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jsr BUF.ComputeCOffset
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cpy #255
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beq .8
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>LDYAI 1
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jsr BUF.BufPtrSetup
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bcs .9
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jsr BUF.MoveForwardTail
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.2 lda TmpByte
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sta (BufPtr)
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jmp SCRN.UnSaved
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.8 clc
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.9 rts
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*--------------------------------------
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BUF.InsertTAB >LDA.G FileX
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and #3 0-3
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eor #$3 3-0
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inc
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sta TmpByte
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jsr BUF.ComputeCOffset
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tya
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sec
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adc TmpByte
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bcs .8
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ldy TmpByte
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lda #0
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jsr BUF.BufPtrSetup
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bcs .9
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jsr BUF.MoveForwardTail
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lda #C.SPACE
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ldy TmpByte
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dey
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.2 sta (BufPtr),y
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dey
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bpl .2
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jmp SCRN.UnSaved
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.8 stz TmpByte
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clc
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.9 rts
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*--------------------------------------
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BUF.DelCharAtCursor
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lda BUF.COffset
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clc
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>ADC.G BufBase
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sta BufPtrDst
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lda BUF.COffset+1
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>ADC.G BufBase+1
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sta BufPtrDst+1
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>LDYA BufPtrDst
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iny
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bne .1
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inc
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.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
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lda FileLen
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bne .5
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dec FileLen+1
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.5 dec FileLen
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jsr BUF.ResetSel
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pla Get back deleted char
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clc
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.9 rts
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*--------------------------------------
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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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>LDYA.G ClipBoardLen
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jsr BUF.BufPtrSetup
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bcs .9
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jsr BUF.MoveForwardTail
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>LDA.G ClipBoardLen
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eor #$ff
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tax
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iny
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lda (pData),y ClipBoardLen+1
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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
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inc
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beq .3
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pha
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.2 lda (ClipboardPtr),y
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sta (BufPtr),y
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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 jsr BUF.ResetSel
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jsr SCRN.UpdateStatusBar
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jmp SCRN.UnSaved
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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
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bcs .9 nothing to delete
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>LDA.G SelStart
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clc
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>ADC.G BufBase
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sta BufPtrDst
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>LDA.G SelStart+1
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>ADC.G BufBase+1
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sta BufPtrDst+1
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lda BufPtrDst
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clc
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adc SelLen
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sta BufPtr
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lda BufPtrDst+1
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adc SelLen+1
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sta BufPtr+1
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jsr BUF.MoveBackTail
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lda FileLen
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sec
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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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.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
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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
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txa
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>STA.G hClipBoard
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>LDA.G BufBase
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clc
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>ADC.G SelStart
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sta BufPtr
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>LDA.G BufBase+1
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>ADC.G SelStart+1
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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
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tax
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iny
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lda SelLen+1
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sta (pData),y
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eor #$ff
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pha
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ldy #0
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.2 inx
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bne .3
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pla
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inc
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beq .8
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pha
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.3 lda (BufPtr),y
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sta (ClipboardPtr),y
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iny
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bne .2
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inc BufPtr+1
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inc ClipboardPtr+1
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bra .2
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.8 clc
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.9 rts
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*--------------------------------------
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BUF.CopyClipboard
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>LDA.G ClipBoardLen
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eor #$ff
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tax
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iny
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lda (pData),y
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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
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inc
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beq .3
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pha
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.2 lda (ClipboardPtr),y
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sta (BufPtr),y
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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
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clc
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adc ClipboardPtr
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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
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adc BufPtr
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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
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ldy #0
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lda BufPtr+1
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pha
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.1 lda (BufPtr),y
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sta (BufPtrDst),y
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beq .8
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iny
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bne .1
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inc BufPtr+1
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inc BufPtrDst+1
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bra .1
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.8 pla
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sta BufPtr+1
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rts
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*--------------------------------------
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BUF.MoveForwardTail
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ldy #0
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ldx #0
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.1 lda (BufPtr),y
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beq .2
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iny
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bne .1
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inx
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inc BufPtr+1
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inc BufPtrDst+1
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bra .1
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.2 txa
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eor #$ff
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pha
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tya
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eor #$ff
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tax will move tail len+1
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.3 lda (BufPtr),y
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sta (BufPtrDst),y
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inx
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bne .4
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pla
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inc
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beq .8
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pha
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.4 tya
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bne .5
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dec BufPtr+1
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dec BufPtrDst+1
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.5 dey
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bra .3
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.8 rts
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*--------------------------------------
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* Out : Y = Line Length
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*--------------------------------------
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BUF.ComputeCOffset
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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
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sta BUF.COffset
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lda #0
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adc BUF.LOffset+1
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sta BUF.COffset+1
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ply
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clc
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.9 rts
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*--------------------------------------
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BUF.GetNextLine sec
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.HS 90 BCC
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BUF.GetLine clc
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>LDA.G FileY
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adc #0
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pha
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iny
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lda (pData),y
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adc #0
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tax
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pla
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BUF.GetLineAX sta BUF.TmpLine1 Requested Line
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stx BUF.TmpLine1+1
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stz BUF.TmpLine2
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stz BUF.TmpLine2+1
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stz BUF.LOffset
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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
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beq .7
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cmp #C.CR
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beq .3
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iny
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bne .2
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.3 lda BUF.TmpLine1
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cmp BUF.TmpLine2
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bne .4
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lda BUF.TmpLine1+1
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cmp BUF.TmpLine2+1
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beq .8
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.4 tya
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sec
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adc BufPtr
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sta BufPtr
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bcc .5
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inc BufPtr+1
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.5 tya
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sec
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adc BUF.LOffset
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sta BUF.LOffset
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bcc .6
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inc BUF.LOffset+1
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.6 inc BUF.TmpLine2
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bne .1
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inc BUF.TmpLine2+1
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bra .1
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.7 lda BUF.TmpLine1
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cmp BUF.TmpLine2
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bne .9
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lda BUF.TmpLine1+1
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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
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rts
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*--------------------------------------
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BUF.ResetSel lda #$ff
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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
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iny
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sta (pData),y
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rts
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*--------------------------------------
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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
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clc
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sbc BUF.COffset
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iny
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lda (pData),y
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sbc BUF.COffset+1
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* CC:SelEnd < COffset
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.9 lda #0
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ror $80 = selected
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rts
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*--------------------------------------
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BUF.GetSelLen ldy #SelEnd
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lda (pData),y
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sec
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ldy #SelStart
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sbc (pData),y
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sta SelLen
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tax
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ldy #SelEnd+1
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lda (pData),y
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ldy #SelStart+1
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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
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rts
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.9 sec
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rts
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*--------------------------------------
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* in : Y,A = cnt to insert at COffset
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*--------------------------------------
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BUF.BufPtrSetup >STYA TmpLen
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tya
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clc
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adc FileLen
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sta FileLen
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tay
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lda TmpLen+1
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adc FileLen+1
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sta FileLen+1
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cpy BufLen
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sbc BufLen+1
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bcc .8
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jsr BUF.BufPtr.Realloc
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bcs .9
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jsr BUF.ComputeCOffset
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.8 lda BUF.COffset
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clc
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>ADC.G BufBase
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sta BufPtr
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lda BUF.COffset+1
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>ADC.G BufBase+1
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sta BufPtr+1
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lda BufPtr
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clc
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adc TmpLen
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sta BufPtrDst
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lda BufPtr+1
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adc TmpLen+1
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sta BufPtrDst+1
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clc
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.9 rts
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*--------------------------------------
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BUF.BufPtr.Realloc
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>PUSHB.G hBuf
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lda FileLen+1
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inc
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inc
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sta BufLen+1
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>PUSHA
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>PUSHBI 0
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>SYSCALL Realloc
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bcs .9
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>STYA.G BufBase
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txa
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>STA.G hBuf
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.9 rts
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*--------------------------------------
|
||
MAN
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||
SAVE USR/SRC/BIN/EDIT.S.BUF
|
||
LOAD USR/SRC/BIN/EDIT.S
|
||
ASM
|