mirror of https://github.com/A2osX/A2osX.git
314 lines
5.3 KiB
Plaintext
314 lines
5.3 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
.LIST OFF
|
||
.OP 65C02
|
||
.OR $2000
|
||
.TF BIN/CUT
|
||
*--------------------------------------
|
||
.INB INC/MACROS.I
|
||
.INB INC/A2OSX.I
|
||
.INB INC/KERNEL.I
|
||
.INB INC/MLI.I
|
||
.INB INC/MLI.E.I
|
||
*--------------------------------------
|
||
.DUMMY
|
||
.OR ZPBIN
|
||
ZS.START
|
||
ZPPTR1 .BS 2
|
||
ZPBufPtr .BS 2
|
||
ArgCount .BS 1
|
||
ArgIndex .BS 1
|
||
OptionIdx .BS 1
|
||
hBuf .BS 1
|
||
FieldNum .BS 1
|
||
StartChar .BS 1
|
||
EndChar .BS 1
|
||
Separator .BS 1
|
||
hToClose .BS 1
|
||
ZS.END .ED
|
||
*--------------------------------------
|
||
* File Header (16 Bytes)
|
||
*--------------------------------------
|
||
CS.START cld
|
||
jmp (.1,x)
|
||
.DA #$61 6502,Level 1 (65c02)
|
||
.DA #1 BIN Layout Version 1
|
||
.DA #0 S.PS.F.EVENT
|
||
.DA #0
|
||
.DA CS.END-CS.START Code Size (without Constants)
|
||
.DA DS.END-DS.START Data SegmentSize
|
||
.DA #32 Stack Size
|
||
.DA #ZS.END-ZS.START Zero Page Size
|
||
.DA 0
|
||
*--------------------------------------
|
||
* Relocation Table
|
||
*--------------------------------------
|
||
.1 .DA CS.INIT
|
||
.DA CS.RUN
|
||
.DA CS.DOEVENT
|
||
.DA CS.QUIT
|
||
L.MSG.USAGE .DA MSG.USAGE
|
||
L.MSG.CRLF .DA MSG.CRLF
|
||
.DA 0
|
||
*--------------------------------------
|
||
CS.INIT clc
|
||
rts
|
||
*--------------------------------------
|
||
CS.RUN lda #C.SPACE
|
||
sta Separator
|
||
|
||
.10 jsr CS.RUN.NextArg
|
||
bcs .8
|
||
|
||
lda (ZPPtr1)
|
||
cmp #'-'
|
||
beq .1
|
||
|
||
lda ArgCount
|
||
sta ArgIndex
|
||
bra .10
|
||
|
||
.1 ldy #1
|
||
lda (ZPPtr1),y
|
||
|
||
ldx #OptionList.Cnt-1
|
||
|
||
.2 cmp OptionList,x
|
||
beq .3
|
||
dex
|
||
bpl .2
|
||
|
||
bra .97
|
||
|
||
.3 txa
|
||
lsr
|
||
beq .98 -H
|
||
|
||
cmp #4 -S
|
||
bne .4
|
||
|
||
jsr CS.RUN.NextArg
|
||
bcs .97
|
||
lda (ZPPtr1)
|
||
sta Separator
|
||
bra .10
|
||
|
||
.4 sta OptionIdx
|
||
jsr CS.RUN.NextArg
|
||
bcs .97
|
||
>SYSCALL atoi
|
||
bcs .97
|
||
|
||
tax
|
||
bne .97
|
||
tya
|
||
ldx OptionIdx
|
||
sta FieldNum-1,x
|
||
bra .10 scan for any other args
|
||
|
||
.97 lda #E.SYN
|
||
.98 pha
|
||
>PUSHW L.MSG.USAGE
|
||
>PUSHBI 0
|
||
>SYSCALL PrintF
|
||
pla
|
||
sec
|
||
.9 rts
|
||
|
||
.8 >LDYAI 256
|
||
>SYSCALL GetMem
|
||
bcs .9
|
||
>STYA ZPBufPtr
|
||
stx hBuf
|
||
lda ArgIndex
|
||
beq .80
|
||
|
||
>SYSCALL ArgV
|
||
>PUSHYA
|
||
>LDYA ZPBufPtr
|
||
>SYSCALL strcpy
|
||
jsr CS.RUN.OUT
|
||
bcs .9
|
||
|
||
lda #0 Exit with no Error
|
||
sec
|
||
rts
|
||
|
||
.80 ldy #S.PS.hStdIn
|
||
lda (pPS),y
|
||
tax
|
||
lda OF.Table.hFD-1,x
|
||
>SYSCALL GetMemPtr
|
||
>STYA ZPPtr1
|
||
lda (ZPPtr1)
|
||
cmp #S.FD.T.PIPE
|
||
bne .97
|
||
|
||
ldy #S.PS.hStdIn
|
||
lda (pPS),y
|
||
sta hToClose
|
||
*--------------------------------------
|
||
CS.RUN.LOOP >SLEEP
|
||
|
||
>PUSHWI 256
|
||
>PUSHW ZPBufPtr
|
||
ldy #S.PS.hStdIn
|
||
lda (pPS),y
|
||
|
||
>SYSCALL fgets
|
||
bcs .8
|
||
|
||
lda (ZPBufPtr)
|
||
beq CS.RUN.LOOP
|
||
|
||
jsr CS.RUN.OUT
|
||
bcc CS.RUN.LOOP
|
||
|
||
.8 cmp #MLI.E.EOF
|
||
bne .90
|
||
|
||
lda #0
|
||
.90 sec
|
||
.9 rts
|
||
*--------------------------------------
|
||
CS.RUN.OUT ldx FieldNum
|
||
beq CS.RUN.OUT.MN
|
||
|
||
ldy #$ff
|
||
|
||
.1 iny skip spaces
|
||
lda (ZPBufPtr),y
|
||
beq CS.RUN.PRINTCR
|
||
|
||
cmp Separator
|
||
beq .1
|
||
|
||
dex
|
||
beq .4
|
||
|
||
.2 iny skip token
|
||
lda (ZPBufPtr),y
|
||
beq CS.RUN.PRINTCR
|
||
|
||
eor Separator
|
||
bne .2
|
||
bra .1
|
||
|
||
.4 jsr CS.RUN.AddYToBufPtr
|
||
|
||
ldy #$ff
|
||
|
||
.6 iny
|
||
lda (ZPBufPtr),y
|
||
beq .8
|
||
|
||
eor Separator
|
||
bne .6
|
||
|
||
sta (ZPBufPtr),y
|
||
|
||
.8 >LDYA ZPBufPtr
|
||
>SYSCALL PutS
|
||
|
||
rts
|
||
*--------------------------------------
|
||
CS.RUN.PRINTCR >PUSHW L.MSG.CRLF
|
||
>PUSHBI 0
|
||
>SYSCALL PrintF
|
||
|
||
rts
|
||
*--------------------------------------
|
||
CS.RUN.OUT.MN ldy #0
|
||
|
||
ldx StartChar
|
||
beq .2
|
||
|
||
.1 dex
|
||
beq .2
|
||
|
||
lda (ZPBufPtr),y
|
||
beq CS.RUN.PRINTCR
|
||
iny
|
||
bra .1
|
||
|
||
.2 lda EndChar
|
||
beq .8
|
||
|
||
.3 lda (ZPBufPtr),y
|
||
beq .8
|
||
|
||
cpy EndChar
|
||
beq .4
|
||
|
||
iny
|
||
bra .3
|
||
|
||
.4 lda #0
|
||
sta (ZPBufPtr),y
|
||
|
||
.8 ldy StartChar
|
||
beq .80
|
||
dey
|
||
beq .80
|
||
jsr CS.RUN.AddYToBufPtr
|
||
|
||
.80 >LDYA ZPBufPtr
|
||
>SYSCALL PutS
|
||
|
||
rts
|
||
*--------------------------------------
|
||
CS.RUN.NextArg inc ArgCount
|
||
lda ArgCount
|
||
>SYSCALL ArgV
|
||
bcs .9
|
||
>STYA ZPPtr1
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
CS.RUN.AddYToBufPtr
|
||
tya
|
||
clc
|
||
adc ZPBufPtr
|
||
sta ZPBufPtr
|
||
bcc .8
|
||
inc ZPBufPtr+1
|
||
.8 rts
|
||
*--------------------------------------
|
||
CS.QUIT lda hToClose
|
||
beq .1
|
||
|
||
>SYSCALL FClose Close the pipe
|
||
|
||
.1 lda hBuf
|
||
beq .8
|
||
|
||
>SYSCALL FreeMem
|
||
|
||
.8 clc
|
||
rts
|
||
*--------------------------------------
|
||
CS.DOEVENT sec
|
||
rts
|
||
*--------------------------------------
|
||
CS.END
|
||
*--------------------------------------
|
||
OptionList .AS "HhFfMmNnSs"
|
||
OptionList.Cnt .EQ *-OptionList
|
||
*--------------------------------------
|
||
MSG.USAGE .AS "Usage : CUT "line of text"\r\n"
|
||
.AS " -H : This help screen\r\n"
|
||
.AS "-F nn : Output field nn\r\n"
|
||
.AS "-M nn : Output starting at nn\r\n"
|
||
.AS "-N nn : Output Ending at nn\r\n"
|
||
.AS "-S ch : Change default SPACE separator to 'ch'"
|
||
MSG.CRLF .AZ "\r\n"
|
||
*--------------------------------------
|
||
.DUMMY
|
||
.OR 0
|
||
DS.START
|
||
DS.END .ED
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE USR/SRC/BIN/CUT.S
|
||
ASM
|