mirror of https://github.com/A2osX/A2osX.git
365 lines
6.3 KiB
Plaintext
365 lines
6.3 KiB
Plaintext
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/CAT
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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/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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ZPPTR1 .BS 2
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ZPBufPtr .BS 2
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BytesRead .BS 1
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ByteIndex .BS 1
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ZS.END .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 #S.PS.F.EVENT S.PS.F
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.DA #0
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.DA CS.END-CS.START CS
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.DA DS.END-DS.START DS
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.DA #16 SS
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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.LINENUM .DA MSG.LINENUM
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L.MSG.CTRLCHAR .DA MSG.CTRLCHAR
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L.ASCII .DA ASCII
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L.MSG.STACK .DA MSG.STACK
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.DA 0
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*--------------------------------------
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CS.INIT
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.1 >INC.G ArgCount
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>SYSCALL ArgV
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bcs .7
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>STYA ZPPtr1
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lda (ZPPtr1)
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cmp #'-'
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bne .4
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ldy #1
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lda (ZPPtr1),y
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ldx OptionList
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.2 cmp OptionList,x
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beq .3
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dex
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bne .2
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.99 >PUSHBI 0
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>LDYA L.MSG.USAGE
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>SYSCALL printf
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lda #E.SYN
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sec
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rts
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.3 ldy OptionVars-1,x
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lda #$80
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sta (pData),y
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bra .1
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.4 >INC.G FileCount
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bra .1 scan for any other args
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.7 >LDA.G FileCount
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beq .99
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>LDYAI 256
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>SYSCALL GetMem
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bcs .9
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>STYA ZPBufPtr
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txa
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>STA.G hBuf
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clc
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.9 rts
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*--------------------------------------
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CS.RUN bra .11
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>SYSCALL GetChar
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bcs .10 no char
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cmp #$03 Ctrl-C
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beq .99 Abort....
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cmp #$13 Ctrl-S
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bne .10
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>LDA.G bPause
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eor #$ff
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sta (pData),y
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bne .8
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.10 >LDA.G bPause
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bne .8 Pause...
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.11 >LDA.G hFILE
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bne .2
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.1 >INC.G ArgIndex
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>SYSCALL ArgV
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bcs .99 No more arg...the end!
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>STYA ZPPtr1
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lda (ZPPtr1)
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cmp #'-'
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beq .1 An option, skip...
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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.G hFILE
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clc
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rts
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.2 pha
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>PUSHWI 256
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>PUSHW ZPBufPtr
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pla
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>SYSCALL fread
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bcc CS.RUN.PRINT
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cmp #MLI.E.EOF
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bne .9
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jsr CS.RUN.CLOSE
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.8 clc
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rts
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.99 lda #0 Exit with no Error
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.9 sec
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rts
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*--------------------------------------
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CS.RUN.PRINT sty BytesRead Y,A = Bytes read
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stz ByteIndex
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* jsr PrintStack
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>INCW.G LineNum
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>LDA.G bSuppressBlankLine
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bpl .10
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lda BytesRead
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beq .12 Empty line ?
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dec
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bne .1 Only one CR ?
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lda (ZPBufPtr)
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cmp #13
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bne .1
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.12 >LDA.G bPrintedBlankLine
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bmi .8
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lda #$ff
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sta (pData),y
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bra .10
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.1 lda #0
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>STA.G bPrintedBlankLine
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.10 jsr CS.RUN.PRINTNUM
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bcs .9
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.20 ldy ByteIndex
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lda (ZPBufPtr),y
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cmp #' '
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bcs .6
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cmp #13 Allow printing of CR even if not bPrintAll
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beq .4
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>LDA.G bPrintAll
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bpl .7
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>LDYA L.ASCII
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>STYA ZPPtr1
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ldy ByteIndex
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lda (ZPBufPtr),y
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tax
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.2 dex
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bmi .3
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lda ZPPtr1
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sec
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adc (ZPPtr1)
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sta ZPPtr1
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bcc .2
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inc ZPPtr1+1
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bra .2
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.3 >PUSHW ZPPtr1
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>PUSHBI 2
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>LDYA L.MSG.CTRLCHAR
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>SYSCALL printf
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bcs .9
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bra .7
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.4 lda #13
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>SYSCALL PutChar
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bcs .9
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lda #10
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.6 >SYSCALL PutChar
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bcs .9
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.7 inc ByteIndex
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dec BytesRead
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bne .20
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.8 clc
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.9 rts
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*--------------------------------------
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CS.RUN.PRINTNUM clc
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>LDA.G bLineNum
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bpl .8
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>PUSHW.G LineNum
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>PUSHBI 2
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>LDYA L.MSG.LINENUM
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>SYSCALL printf
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.8 rts
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*--------------------------------------
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CS.RUN.OPEN phy
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pha
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lda #0
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>STA.G bPrintedBlankLine Reset this flag for the new file
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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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ply
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>SYSCALL FOpen
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rts
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*--------------------------------------
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CS.QUIT >LDA.G hBuf
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beq CS.RUN.CLOSE
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>SYSCALL FreeMem
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CS.RUN.CLOSE >LDA.G hFILE
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beq .8
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pha
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lda #0
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sta (pData),y
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pla
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>SYSCALL FClose
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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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PrintStack >PUSHW pStack
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>PUSHBI 2
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>LDYA L.MSG.STACK
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>SYSCALL printf
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rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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MSG.STACK .AZ ">%H:"
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OptionList >PSTR "ANSans"
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OptionVars .DA #bPrintAll,#bLineNum,#bSuppressBlankLine,#bPrintAll,#bLineNum,#bSuppressBlankLine
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*--------------------------------------
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MSG.USAGE .AS "Usage : CAT File1 [File2...]\r\n"
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.AS " -A : Show All non printable caracters\r\n"
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.AS " -N : Number all output lines\r\n"
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.AZ " -S : Suppress repeated empty output lines\r\n"
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MSG.LINENUM .AZ "%5D:"
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MSG.CTRLCHAR .AZ "[%S]"
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*--------------------------------------
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ASCII >PSTR "NULL"
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>PSTR "SOH"
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>PSTR "STX"
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>PSTR "ETX"
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>PSTR "EOT"
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>PSTR "ENQ"
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>PSTR "ACK"
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>PSTR "BEL"
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>PSTR "BS"
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>PSTR "TAB"
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>PSTR "LF"
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>PSTR "VT"
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>PSTR "FF"
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>PSTR "CR"
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>PSTR "SO"
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>PSTR "SI"
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>PSTR "DLE"
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>PSTR "DC1"
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>PSTR "DC2"
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>PSTR "DC3"
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>PSTR "DC4"
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>PSTR "NAK"
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>PSTR "SYN"
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>PSTR "ETB"
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>PSTR "CAN"
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>PSTR "EM"
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>PSTR "SUB"
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>PSTR "ESC"
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>PSTR "FS"
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>PSTR "GS"
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>PSTR "RS"
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>PSTR "US"
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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ArgCount .BS 1
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FileCount .BS 1
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bPause .BS 1
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bPrintAll .BS 1
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bLineNum .BS 1
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bSuppressBlankLine .BS 1
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ArgIndex .BS 1
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hBuf .BS 1
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hFile .BS 1
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LineNum .BS 2
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bPrintedBlankLine .BS 1
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DS.END
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.ED
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*--------------------------------------
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MAN
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SAVE USR/SRC/BIN/CAT.S
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ASM
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