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A2osX/BIN/EDIT.S.BUF.txt
Rémy GIBERT 31533e52d7 Kernel 0.93
2019-06-03 17:50:41 +02:00

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NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
BUF.InsertClipboard
ldy #hClipBoard
lda (pData),y
beq .8
>SYSCALL GetMemPtr
>STYA ClipboardPtr
jsr BUF.ComputeCOffset
lda BufLen
sec
ldy #ClipboardLen
adc (pData),y
pha
lda BufLen+1
iny
adc (pData),y
ply
jsr BUF.GetNewYA
bcs .9
>LDYA BUF.COffset
jsr BUF.Start2YA
jsr BUF.CopyClipboard
jsr BUF.CopyTail
.4 ldy #ClipboardLen
lda (pData),y
clc
adc BufLen
sta BufLen
iny
lda (pData),y
adc BufLen+1
sta BufLen+1
.8 clc
.9 rts
*--------------------------------------
BUF.InsertA sta TmpByte
jsr BUF.ComputeCOffset
cpy #255
bne .10
clc
rts
.10 lda BufLen
clc
adc #2
pha
lda BufLen+1
adc #0
ply
jsr BUF.GetNewYA
bcs .9
>LDYA BUF.COffset
jsr BUF.Start2YA
.2 lda TmpByte
sta (BufPtr)
inc BufPtr
bne .3
inc BufPtr+1
.3 jsr BUF.CopyTail
.4 lda BufLen
clc
adc #1
sta BufLen
bcc .9
inc BufLen+1
clc
.9 rts
*--------------------------------------
BUF.DelSel jsr BUF.GetSelLen
bcs .8
lda BufLen
sec
sbc SelLen
tay
lda BufLen+1
sbc SelLen+1
iny
bne .1
inc
.1 jsr BUF.GetNewYA
bcs .9
>LDYA.G SelStart
jsr BUF.Start2YA
lda BufPtrBackup
clc
adc SelLen
sta BufPtrBackup
lda BufPtrBackup+1
adc SelLen+1
sta BufPtrBackup+1
jsr BUF.CopyTail
lda BufLen
sec
sbc SelLen
sta BufLen
lda BufLen+1
sbc SelLen+1
sta BufLen+1
jsr BUF.ResetSel
.8 clc
.9 rts
*--------------------------------------
* Erase char at CurXY
*--------------------------------------
BUF.DelCharAtCursor
>LDYA BufLen
jsr BUF.GetNewYA BufferLen-1
bcs .9
>LDYA BUF.COffset
jsr BUF.Start2YA
.3 lda (BufPtrBackup)
pha Save deleted char for later
inc BufPtrBackup
bne .4
inc BufPtrBackup+1
.4 jsr BUF.CopyTail
lda BufLen
bne .5
dec BufLen+1
.5 dec BufLen
jsr BUF.ResetSel
pla Get back deleted char
clc
.9 rts
*--------------------------------------
BUF.SelToClipboard
jsr BUF.GetSelLen
bcs .8
>LDA.G hClipBoard
beq .1
>SYSCALL FreeMem
>STZ.G hClipBoard
.1 >LDYA SelLen
>SYSCALL GetMem
bcs .9
>STYA ClipboardPtr
txa
>STA.G hClipBoard
ldy #hBuffer
lda (pData),y
>SYSCALL GetMemPtr
pha
tya
* clc
>ADC.G SelStart
sta BufPtr
pla
>ADC.G SelStart+1
sta BufPtr+1
lda SelLen
ldy #ClipBoardLen
sta (pData),y
eor #$ff
tax
iny
lda SelLen+1
sta (pData),y
eor #$ff
pha
ldy #0
.2 inx
bne .3
pla
inc
beq .8
pha
.3 lda (BufPtr),y
sta (ClipboardPtr),y
iny
bne .2
inc BufPtr+1
inc ClipboardPtr+1
bra .2
.8 clc
.9 rts
*--------------------------------------
BUF.CopyClipboard
>LDA.G ClipboardLen
eor #$ff
tax
iny
lda (pData),y
eor #$ff
pha
ldy #0
.1 inx
bne .2
pla
inc
beq .3
pha
.2 lda (ClipboardPtr),y
sta (BufPtr),y
iny
bne .1
inc ClipboardPtr+1
inc BufPtr+1
bra .1
.3 tya
clc
adc ClipboardPtr
sta ClipboardPtr
bcc BUF.CopyAddY
inc ClipboardPtr+1
BUF.CopyAddY tya
clc
adc BufPtr
sta BufPtr
bcc .2
inc BufPtr+1
.2 rts
*--------------------------------------
BUF.Start2YA eor #$ff
pha
tya
eor #$ff
tax
ldy #0
.1 inx
bne .2
pla
inc
beq .3
pha
.2 lda (BufPtrBackup),y
sta (BufPtr),y
iny
bne .1
inc BufPtrBackup+1
inc BufPtr+1
bra .1
.3 tya
clc
adc BufPtrBackup
sta BufPtrBackup
bcc BUF.CopyAddY
inc BufPtrBackup+1
bra BUF.CopyAddY
*--------------------------------------
BUF.CopyTail ldy #0
.1 lda (BufPtrBackup),y
sta (BufPtr),y
beq .8
iny
bne .1
inc BufPtrBackup+1
inc BufPtr+1
bra .1
.8 rts
*--------------------------------------
* Out : Y = Line Length
*--------------------------------------
BUF.ComputeCOffset
jsr BUF.GetLine
bcs .9
phy save line length
ldy #FileX
lda (pData),y
clc
adc BUF.LOffset
sta BUF.COffset
lda #0
adc BUF.LOffset+1
sta BUF.COffset+1
ply
clc
.9 rts
*--------------------------------------
BUF.GetLine ldy #FileY+1
lda (pData),y
tax
dey
lda (pData),y
BUF.GetLineAX sta BUF.TmpLine1
stx BUF.TmpLine1+1
stz BUF.LOffset
stz BUF.LOffset+1
ldy #hBuffer
lda (pData),y
>SYSCALL GetMemPtr
>STYA BufPtr
stz BUF.TmpLine2
stz BUF.TmpLine2+1
.1 ldy #0
.2 lda (BufPtr),y
beq .7
cmp #C.CR
beq .3
iny
bne .2
.3 lda BUF.TmpLine1
cmp BUF.TmpLine2
bne .4
lda BUF.TmpLine1+1
cmp BUF.TmpLine2+1
beq .8
.4 tya
sec
adc BufPtr
sta BufPtr
bcc .5
inc BufPtr+1
.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
.7 lda BUF.TmpLine1
cmp BUF.TmpLine2
bne .9
lda BUF.TmpLine1+1
cmp BUF.TmpLine2+1
bne .9
.8 clc Y = Line length
rts
.9 sec
rts
*--------------------------------------
BUF.GetNewYA phy
pha
>LDA.G hBufferBackup
beq .1
>SYSCALL FreeMem
.1 >LDA.G hBuffer
>STA.G hBufferBackup
>SYSCALL GetMemPtr
>STYA BufPtrBackup
>STZ.G hBuffer
pla
ply
>SYSCALL GetMem
bcs .9
>STYA BufPtr
txa
>STA.G hBuffer
.9 rts
*--------------------------------------
BUF.ResetSel lda #$ff
ldy #SelStart
sta (pData),y
iny
sta (pData),y
iny #SelEnd
inc
sta (pData),y
iny
sta (pData),y
rts
*--------------------------------------
BUF.CheckSelected
lda BUF.COffset
ldy #SelStart
cmp (pData),y
lda BUF.COffset+1
iny
sbc (pData),y
bcc .9 CC:COffset < SelStart
iny #SelEnd
lda (pData),y
clc
sbc BUF.COffset
iny
lda (pData),y
sbc BUF.COffset+1
* CC:SelEnd < COffset
.9 lda #0
ror $80 = selected
rts
*--------------------------------------
BUF.GetSelLen ldy #SelEnd
lda (pData),y
sec
ldy #SelStart
sbc (pData),y
sta SelLen
tax
ldy #SelEnd+1
lda (pData),y
ldy #SelStart+1
sbc (pData),y
sta SelLen+1
bcc .9
bne .8
txa
beq .9
.8 clc
rts
.9 sec
rts
*--------------------------------------
MAN
SAVE USR/SRC/BIN/EDIT.S.BUF
LOAD USR/SRC/BIN/EDIT.S
ASM
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