A2osX/BIN/EDIT.S.FILE.txt
2022-03-24 22:12:54 +01:00

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NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
FILE.New jsr FILE.Reset
>LDYA L.MSG.NEWFILE
FILE.RealPath >PUSHYA
>PUSHWZ Allocate
>SYSCALL RealPath
bcs .9
txa
>STA.G hFileName
.9 rts
*--------------------------------------
FILE.Load jsr FILE.RealPath
bcs .9
jsr FILE.Reset
>LDYA.G LineBufBase
>STYA LineBufPtr
ldx #S.FI.T.TXT
lda #O.RDONLY
jsr FILE.OpenAX
bcs .1
jsr FILE.Load.TXT
jmp FILE.Close
.1 ldx #S.FI.T.ASM
lda #O.RDONLY
jsr FILE.OpenAX
bcs .8
jsr FILE.Load.ASM
jmp FILE.Close
.8 clc
.9 rts
*--------------------------------------
FILE.Load.TXT
.1 ldy #0
jsr FILE.ReadY read 256
bcs .7
sty TmpCount Count read
ldy #0
.2 lda (LineBufPtr),y
cmp #C.LF
bne .3
phy
lda #1
>STA.G FileType
ply
bra .4
.3 jsr FILE.Load.2Buf
bcs FILE.Load.RTS
.4 dec TmpCount
beq .1
iny
bra .2
.7 cmp #MLI.E.EOF
bne .9
.8 lda #0
sta (BufPtr)
clc
rts
.9 sec
FILE.Load.RTS rts
*--------------------------------------
FILE.Load.ASM lda #2
>STA.G FileType
.1 ldy #3
jsr FILE.ReadY
bcs .7
lda (LineBufPtr)
dec
dec
dec
tay
jsr FILE.ReadY
bcs .7
jsr FILE.Load.ASM.Decode
bcc .1
.7 cmp #MLI.E.EOF
bne .9
lda #0
sta (BufPtr)
clc
rts
.9 sec
.99 rts
*--------------------------------------
FILE.Load.ASM.Decode
ldy #0
.1 lda (LineBufPtr),y
beq .8
iny
tax
bmi .2
jsr FILE.Load.2Buf
bcc .1
.9 rts
.2 cmp #$C0 REPEAT char?
bne .5
lda (LineBufPtr),y Get Repeat Count
iny
tax
.4 lda (LineBufPtr),y Get Repeat Char
jsr FILE.Load.2Buf
bcs .9
dex
bne .4
iny Skip Repeat char
bra .1
.5 and #$3F Compute blank count
tax
.6 lda #C.SPACE
jsr FILE.Load.2Buf
bcs .9
dex
bne .6
bra .1
.8 lda #C.CR
*--------------------------------------
FILE.Load.2Buf phy
phx
sta (BufPtr)
inc BufPtr
bne .1
inc BufPtr+1
.1 inc FileLen
bne .8
inc FileLen+1
lda FileLen+1
cmp BufLen+1
bne .8
jsr BUF.BufPtr.Realloc
bcs .9
>LDA.G BufBase
* clc
adc FileLen
sta BufPtr
iny
lda (pData),y
adc FileLen+1
sta BufPtr+1
.8 clc
.9 plx
ply
FILE.Save.9 rts
*--------------------------------------
FILE.Save >LDYA.G LineBufBase
>STYA LineBufPtr
>LDA.G FileType
asl
tax
jmp (J.SAVE,x)
*--------------------------------------
FILE.Save.CR clc
.HS B0 BCS
FILE.Save.CRLF sec
ror TmpIndex+1
ldx #S.FI.T.TXT
lda #O.CREATE+O.WRONLY
jsr FILE.OpenAX
bcs FILE.Save.9
>LDYA.G BufBase
>STYA BufPtr
.1 lda (BufPtr)
beq .8
ldy #0
.2 lda (BufPtr)
beq .4
inc BufPtr
bne .3
inc BufPtr+1
.3 sta (LineBufPtr),y
iny
cmp #C.CR
bne .2
bit TmpIndex+1
bpl .4
lda #C.LF
sta (LineBufPtr),y
iny
.4 jsr FILE.WriteY
bcs FILE.Save.99
bra .1
.8 >STZ.G bUnSaved
FILE.Save.99 jmp FILE.Close
*--------------------------------------
FILE.Save.ASM stz TmpLen
stz TmpLen+1
inc TmpLen
ldx #S.FI.T.ASM
lda #O.CREATE+O.WRONLY
jsr FILE.OpenAX
bcs FILE.Save.99
>LDYA.G BufBase
>STYA BufPtr
.1 lda (BufPtr)
beq .8
ldy #1
lda TmpLen
sta (LineBufPtr),y
iny
lda TmpLen+1
sta (LineBufPtr),y
ldy #0
.2 iny
lda (BufPtr),y
beq .3
cmp #C.CR
bne .2
.3 ldy #3 Initial LEN
.4 lda (BufPtr)
beq .7
ldx #0
.40 inc BufPtr
bne .5
inc BufPtr+1
.5 cmp #C.CR
beq .7
cmp (BufPtr) same as next ?
bne .50 no -> flush
inx
cpx #$3F
bne .40
.50 cpx #0
beq .60 only one char....
cmp #C.SPACE
beq .61
cpx #3
bcs .62
.63 sta (LineBufPtr),y
iny
dex
bpl .63
bra .4
.62 pha
lda #$C0
sta (LineBufPtr),y
iny
txa
sta (LineBufPtr),y
iny
pla
sta (LineBufPtr),y
iny
bra .4
.61 txa
ora #$C0
.60 sta (LineBufPtr),y
iny
bra .4
.7 lda #0
sta (LineBufPtr),y
iny
tya
sta (LineBufPtr)
jsr FILE.WriteY
bcs FILE.Close
inc TmpLen
bne .1
inc TmpLen+1
bra .1
.8 >STZ.G bUnSaved
*--------------------------------------
FILE.Close php
pha
lda TmpIndex hFile
beq .2
>SYSCALL FClose
.2 pla
plp
rts
*--------------------------------------
FILE.OpenAX stz TmpIndex hFile
phx
pha
>LDA.G hFileName
>SYSCALL GetMemPtr
>PUSHYA
pla access
>PUSHA
pla type
>PUSHA
>PUSHWZ Aux type
>SYSCALL FOpen
bcs .9
sta TmpIndex hFile
.9 rts
*--------------------------------------
FILE.ReadY phy
>PUSHB TmpIndex hFile
>PUSHW LineBufPtr
lda #0
ply
bne .1
inc
.1 >PUSHYA
>SYSCALL FRead
rts
*--------------------------------------
FILE.WriteY phy
>PUSHB TmpIndex hFile
>PUSHW LineBufPtr
ply
lda #0
>PUSHYA
>SYSCALL FWrite
FILE.WriteY.RTS rts
*--------------------------------------
FILE.Reset >LDA.G hBuf
beq .1
>SYSCALL FreeMem
.1 >STZ.G hBuf
>STA.G FileType TXT/CR
stz FileLen
stz FileLen+1
jsr BUF.ResetSel
>LDYAI FILEBUF.SIZE
>STYA BufLen
>SYSCALL GetMem
bcs FILE.WriteY.RTS
>STYA BufPtr
>STYA.G BufBase
txa
>STA.G hBuf
lda #0
sta (BufPtr)
jmp SCRN.UpdateStatusBar
*--------------------------------------
MAN
SAVE usr/src/bin/edit.s.file
LOAD usr/src/bin/edit.s
ASM