Apple-2-SW/A2osX
1
0
Fork 0
mirror of https://github.com/A2osX/A2osX.git synced 2024-11-22 16:31:07 +00:00
Code Issues Projects Releases Wiki Activity
56c77fb224
A2osX/BIN/EDIT.S.BUF.txt
Rémy GIBERT f11927d4cf Kernel 0.93++
2020-01-27 17:33:11 +01:00

599 lines
8.4 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
BUF.InsertA sta TmpByte
jsr BUF.ComputeCOffset
cpy #255
beq .8
>LDYAI 1
jsr BUF.BufPtrSetup
bcs .9
jsr BUF.MoveForwardTail
.2 lda TmpByte
sta (BufPtr)
jmp SCRN.Unsaved
.8 clc
.9 rts
*--------------------------------------
BUF.InsertTAB >LDA.G FileX
and #TABMASK
bne .1
lda #TABLEN
.1 sta TmpByte
jsr BUF.ComputeCOffset
tya
sec
adc TmpByte
bcs .8
ldy TmpByte
lda #0
jsr BUF.BufPtrSetup
bcs .9
jsr BUF.MoveForwardTail
lda #C.SPACE
ldy TmpByte
dey
.2 sta (BufPtr),y
dey
bpl .2
.4 jsr SCRN.UpdateStatusBar
jmp SCRN.Unsaved
.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
iny
bne .1
inc
.1 >STYA BufPtr
lda (BufPtrDst)
pha Save deleted char for later
jsr BUF.MoveBackTail
lda FileLen
bne .5
dec FileLen+1
.5 dec FileLen
jsr BUF.ResetSel
pla Get back deleted char
clc
.9 rts
*--------------------------------------
BUF.InsertClipboard
>LDA.G hClipBoard
beq .8
>SYSCALL GetMemPtr
>STYA ClipboardPtr
jsr BUF.ComputeCOffset
>LDYA.G ClipboardLen
jsr BUF.BufPtrSetup
bcs .9
jsr BUF.MoveForwardTail
>LDA.G ClipboardLen
eor #$ff
tax
iny
lda (pData),y ClipboardLen+1
eor #$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 jsr BUF.ResetSel
jsr SCRN.UpdateStatusBar
jmp SCRN.Unsaved
.8 clc
.9 rts
*--------------------------------------
BUF.DelSel jsr BUF.GetSelLen
bcs .9 nothing to delete
>LDA.G SelStart
clc
>ADC.G BufBase
sta BufPtrDst
>LDA.G SelStart+1
>ADC.G BufBase+1
sta BufPtrDst+1
lda BufPtrDst
clc
adc SelLen
sta BufPtr
lda BufPtrDst+1
adc SelLen+1
sta BufPtr+1
jsr BUF.MoveBackTail
lda FileLen
sec
sbc SelLen
sta FileLen
lda FileLen+1
sbc SelLen+1
sta FileLen+1
.8 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
>LDA.G BufBase
clc
>ADC.G SelStart
sta BufPtr
>LDA.G BufBase+1
>ADC.G SelStart+1
sta BufPtr+1
lda SelLen
>STA.G ClipBoardLen
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.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 #$ff
phx
.1 lda (BufPtr),y
beq .3
dex
bne .2
pla
dec
pha
.2 iny
bne .1
inc BufPtr+1
inc BufPtrDst+1
bra .1
.3 lda (BufPtr),y
sta (BufPtrDst),y
inx
bne .4
pla
inc
beq .8
pha
.4 tya
bne .5
dec BufPtr+1
dec BufPtrDst+1
.5 dey
bra .3
.8 rts
*--------------------------------------
* Out : Y = Line Length
*--------------------------------------
BUF.ComputeCOffset
jsr BUF.GetLine
bcs .9
phy save line length
>LDA.G FileX
* clc
adc BUF.LOffset
sta BUF.COffset
lda #0
adc BUF.LOffset+1
sta BUF.COffset+1
ply
clc
.9 rts
*--------------------------------------
BUF.GetNextLine sec
.HS 90 BCC
BUF.GetLine clc
>LDA.G FileY
adc #0
pha
iny
lda (pData),y
adc #0
tax
pla
BUF.GetLineAX sta BUF.TmpLine1 Requested Line
stx BUF.TmpLine1+1
stz BUF.TmpLine2
stz BUF.TmpLine2+1
stz BUF.LOffset
stz BUF.LOffset+1
>LDYA.G BufBase
>STYA BufPtr
.1 ldy #0
.2 lda (BufPtr),y
beq .7
cmp #C.CR
beq .3
iny
bne .2
.3 lda BUF.TmpLine1
cmp BUF.TmpLine2
bne .4
lda BUF.TmpLine1+1
cmp BUF.TmpLine2+1
beq .8
.4 tya
sec
adc BufPtr
sta BufPtr
bcc .5
inc BufPtr+1
.5 tya
sec
adc BUF.LOffset
sta BUF.LOffset
bcc .6
inc BUF.LOffset+1
.6 inc BUF.TmpLine2
bne .1
inc BUF.TmpLine2+1
bra .1
.7 lda BUF.TmpLine1
cmp BUF.TmpLine2
bne .9
lda BUF.TmpLine1+1
cmp BUF.TmpLine2+1
bne .9
.8 clc Y = Line length
rts
.9 sec
rts
*--------------------------------------
BUF.ResetSel lda #$ff
ldy #SelStart
sta (pData),y
iny
sta (pData),y
iny #SelEnd
inc lda #0
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
*--------------------------------------
* in : Y,A = cnt to insert at COffset
*--------------------------------------
BUF.BufPtrSetup >STYA TmpLen
tya
clc
adc FileLen
sta FileLen
tay
lda TmpLen+1
adc FileLen+1
sta FileLen+1
cpy BufLen
sbc BufLen+1
bcc .8
ldy #0
lda FileLen+1
inc
inc
>SYSCALL getmem
bcs .9
stx TmpByte
>STYA BufPtrDst
>LDYA.G BufBase
>STYA BufPtr
lda BufLen+1
tax
inc
inc
sta BufLen+1
ldy #0
.1 lda (BufPtr),y
sta (BufPtrDst),y
iny
bne .1
inc BufPtr
inc BufPtrDst
dex
bne .1
>LDA.G hBuf
>SYSCALL freemem
lda TmpByte
>STA.G hBuf
>SYSCALL getmemptr
>STYA BufBase
.8 lda BUF.COffset
clc
>ADC.G BufBase
sta BufPtr
lda BUF.COffset+1
>ADC.G BufBase+1
sta BufPtr+1
lda BufPtr
clc
adc TmpLen
sta BufPtrDst
lda BufPtr+1
adc TmpLen+1
sta BufPtrDst+1
clc
.9 rts
*--------------------------------------
MAN
SAVE USR/SRC/BIN/EDIT.S.BUF
LOAD USR/SRC/BIN/EDIT.S
ASM
Reference in New Issue View Git Blame Copy Permalink