mirror of
https://github.com/A2osX/A2osX.git
synced 2024-09-10 07:54:37 +00:00
290 lines
4.9 KiB
Plaintext
290 lines
4.9 KiB
Plaintext
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NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF BIN/GREP
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/KERNEL.I
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.INB INC/MLI.I
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.INB INC/MLI.E.I
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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ArgIndex .BS 1
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ArgPattern .BS 1
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ZPPTR1 .BS 2
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ZPPatternPtr .BS 2
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ZPBufPtr .BS 2
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hFile .BS 1
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hBuf .BS 1
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LineNum .BS 2
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char .BS 1
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bIgnoreCase .BS 1
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bLineNum .BS 1
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ZS.END
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.ED
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA #0 S.PS.F.EVENT
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.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data SegmentSize
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.DA #16 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.CRLF .DA MSG.CRLF
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L.MSG.NUMLINE .DA MSG.NUMLINE
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.DA 0
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*--------------------------------------
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CS.INIT clc
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rts
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*--------------------------------------
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CS.RUN stz ArgIndex
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stz ArgPattern
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stz hFile
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.10 jsr CS.RUN.NextArg
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bcs .8
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lda (ZPPtr1)
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cmp #'-'
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beq .1
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lda ArgPattern
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bne .11
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lda ArgIndex
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sta ArgPattern
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>LDYA ZPPtr1
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>STYA ZPPatternPtr
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bra .10
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.11 lda hFile
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bne .97
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>LDYA ZPPtr1
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jsr CS.RUN.OPEN
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bcs .9
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sta hFile
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bra .10
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.1 ldy #1
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lda (ZPPtr1),y
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ldx #OptionList.Cnt-1
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.2 cmp OptionList,x
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beq .3
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dex
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bpl .2
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bra .97
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.3 txa
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beq .98
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lsr
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tax
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lda #$80
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sta bIgnoreCase-1,x
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bra .10 scan for any other args
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.97 lda #E.SYN
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.98 pha
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>PUSHBI 0
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>LDYA L.MSG.USAGE
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>SYSCALL printf
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pla
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sec
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.9 rts
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.8 lda hFile
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bne .80
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ldy #S.PS.hStdIn
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lda (pPS),y
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tax
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lda OF.Table.hFD-1,x
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>SYSCALL GetMemPtr
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>STYA ZPPtr1
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lda (ZPPtr1)
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cmp #S.FD.T.PIPE
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bne .97
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.80 >LDYAI 256
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>SYSCALL GetMem
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bcs .9
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>STYA ZPBufPtr
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stx hBuf
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stz LineNum
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stz LineNum+1
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CS.RUN.LOOP >SLEEP
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>PUSHWI 256
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>PUSHW ZPBufPtr
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lda hFile
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bne .1
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ldy #S.PS.hStdIn
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lda (pPS),y
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.1 >SYSCALL fgets
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bcs .9
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inc LineNum
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bne .2
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inc LineNum+1
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.2 jsr CS.RUN.PRINT
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bcc CS.RUN.LOOP
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rts
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.9 cmp #MLI.E.EOF
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bne .99
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lda #0 Exit with no Error
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.99 sec
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rts
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*--------------------------------------
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CS.RUN.OPEN pha
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>PUSHWI 0 Aux type
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>PUSHBI S.FI.T.TXT
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>PUSHBI O.RDONLY+O.TEXT
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pla
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>SYSCALL FOpen
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bcs .9
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sta hFile
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.9 rts
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*--------------------------------------
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CS.RUN.PRINT >LDYA ZPBufPtr
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>STYA ZPPtr1
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.1 lda (ZPPtr1)
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beq .8
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ldy #$ff
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.2 iny
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lda (ZPPtr1),y
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bne .3
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lda (ZPPatternPtr),y
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bne .8
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.3 lda (ZPPatternPtr),y
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beq .6
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jsr CS.RUN.toUpper
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sta char
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lda (ZPPtr1),y
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jsr CS.RUN.toUpper
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cmp char
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beq .2
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inc ZPPtr1
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bne .1
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inc ZPPtr1+1
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bra .1
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.6 lda bLineNum
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bpl .7
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>PUSHW LineNum
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>PUSHBI 2
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>LDYA L.MSG.NUMLINE
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>SYSCALL printf
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bcs .9
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.7 >LDYA ZPBufPtr
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>SYSCALL puts
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rts
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.8 clc
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.9 rts
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*--------------------------------------
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CS.RUN.NextArg inc ArgIndex
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lda ArgIndex
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>SYSCALL ArgV
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bcs .9
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>STYA ZPPtr1
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.9 rts
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*--------------------------------------
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CS.RUN.toUpper bit bIgnoreCase
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bpl .9
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cmp #'a'
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bcc .9
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cmp #'z'+1
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bcs .9
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eor #$20
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.9 rts
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*--------------------------------------
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CS.QUIT lda hBuf
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beq .1
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>SYSCALL FreeMem
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.1 lda hFILE
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beq .2
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>SYSCALL FClose
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.2
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.8 clc
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rts
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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OptionList .AZ "HhIiNn"
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OptionList.Cnt .EQ *-OptionList
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*--------------------------------------
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MSG.USAGE .AS "Usage : GREP <pattern> <File> or CMD|GREP <pattern>\r\n"
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.AS " -H : This help screen\r\n"
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.AS " -I : Ignore Case\r\n"
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.AS " -N : Print line Number"
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MSG.CRLF .AZ "\r\n"
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MSG.NUMLINE .AZ "%5D:"
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*--------------------------------------
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|||
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.DUMMY
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|||
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.OR 0
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DS.START
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DS.END
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|||
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.ED
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|||
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*--------------------------------------
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|||
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MAN
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|||
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SAVE USR/SRC/BIN/GREP.S
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ASM
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