Added work-in-progress SED.S.TXT. No arg parsing yet.

This commit is contained in:
Bobbi Webber-Manners 2021-06-19 17:02:14 -04:00
parent a336e2122f
commit 5bdd831d51

313
BIN/SED.S.TXT Normal file
View File

@ -0,0 +1,313 @@
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/sed
*--------------------------------------
.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
ArgIndex .BS 1
ArgPattern .BS 1
ZPPtr1 .BS 2
ZPPatternPtr .BS 2
ZPBufPtr .BS 2
hFile .BS 1
hBuf .BS 1
LineNum .BS 2
char .BS 1
bIgnoreCase .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 Segment Size
.DA #16 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 jsr CS.RUN.CheckArgs
bcs CS.RUN.LOOP.RTS
stz LineNum
stz LineNum+1
CS.RUN.LOOP >SLEEP
>PUSHB hFile
>PUSHW ZPBufPtr
>PUSHWI 256
>SYSCALL FGetS
bcs .9
inc LineNum
bne .2
inc LineNum+1
.2 jsr CS.RUN.PRINT
bcc CS.RUN.LOOP
rts
.9 cmp #MLI.E.EOF
bne .99
lda #0 Exit with no Error
.99 sec
CS.RUN.LOOP.RTS rts
*--------------------------------------
CS.RUN.CheckArgs
jsr CS.RUN.NextArg
bcs .4
lda (ZPPtr1)
cmp #'-'
beq .1
lda ArgPattern
bne .11
lda ArgIndex
sta ArgPattern
>LDYA ZPPtr1
>STYA ZPPatternPtr
bra CS.RUN.CheckArgs
.11 lda hFile
bne .97
>LDYA ZPPtr1
jsr CS.RUN.OPEN
bcs .9
sta hFile
bra CS.RUN.CheckArgs
.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
tax
lda #$80
sta bIgnoreCase-1,x
bra CS.RUN.CheckArgs
.4 lda hFile
bne .80
ldy #S.PS.hStdIn
lda (pPS),y
tax
lsr
bcs .97
lda Nod.Table.hFD-2,x
>SYSCALL GetMemPtr
>STYA ZPPtr1
lda (ZPPtr1)
cmp #S.FD.T.PIPE
bne .97
ldy #S.PS.hStdIn
lda (pPS),y
sta hFile
.80 >LDYAI 256
>SYSCALL GetMem
bcs .9
>STYA ZPBufPtr
stx hBuf
* clc
.9 rts
.97 lda #E.SYN
.98 pha
>PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
pla
sec
rts
*--------------------------------------
CS.RUN.NextArg inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs .9
>STYA ZPPtr1
.9 rts
*--------------------------------------
CS.RUN.OPEN >PUSHYA
>PUSHBI O.RDONLY+O.TEXT
>PUSHBI S.FI.T.TXT
>PUSHWZ Aux type
>SYSCALL FOpen
bcs .9
sta hFile
.9 rts
*--------------------------------------
CS.RUN.PRINT >LDYA ZPBufPtr
>STYA ZPPtr1
.1 lda (ZPPtr1)
beq .7 EOL. No match.
ldy #$ff
.2 iny
lda (ZPPtr1),y
bne .3
lda (ZPPatternPtr),y EOL
bne .7 Not end of pattern
* No match.
.3 lda (ZPPatternPtr),y
beq .5 Match
jsr CS.RUN.toUpper
sta char
lda (ZPPtr1),y
jsr CS.RUN.toUpper
cmp char
beq .2
bra .6 No match
* Found a match
.5 jsr CS.RUN.GotMatch
bra .1
* Mismatch with pattern, keep going
.6 jsr CS.RUN.NoMatch
bra .1
* Hit EOL but not end of pattern, return
.7 jsr CS.RUN.NoMatch
lda #C.CR
>SYSCALL PutChar
lda #C.LF
>SYSCALL PutChar
clc
rts
*--------------------------------------
CS.RUN.GotMatch lda #'*' TODO ...
phy
>SYSCALL PutChar
ply
tya Advance ZPPtr1 by Y
clc
adc ZPPtr1
sta ZPPtr1
lda #$00
adc ZPPtr1+1
sta ZPPtr1+1
ldy #$00
rts
*--------------------------------------
CS.RUN.NoMatch lda (ZPPtr1) Print ZPPtr1->ZPPtr1+Y
phy
>SYSCALL PutChar
ply
inc ZPPtr1
bne .2
inc ZPPtr1+1
.2 dey
cpy #$ff
bne CS.RUN.NoMatch
ldy #$00
rts
*--------------------------------------
CS.RUN.toUpper bit bIgnoreCase
bpl .9
cmp #'a'
bcc .9
cmp #'z'+1
bcs .9
eor #$20
.9 rts
*--------------------------------------
CS.QUIT lda hFile
beq .1
>SYSCALL FClose
.1 lda hBuf
beq .8
>SYSCALL FreeMem
.8 clc
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.END
*--------------------------------------
OptionList .AS "HhIi"
OptionList.Cnt .EQ *-OptionList
*--------------------------------------
MSG.USAGE .AS "Usage : SED <pattern> <File> or CMD|SED <pattern>\r\n"
.AS " -I : Ignore Case"
MSG.CRLF .AZ "\r\n"
*--------------------------------------
.DUMMY
.OR 0
DS.START
DS.END .ED
*--------------------------------------