A2osX/BIN/CAT.S.txt

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NEW
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PREFIX
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AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
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.TF BIN/CAT
*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
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.INB INC/MLI.I
.INB INC/MLI.E.I
*--------------------------------------
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.DUMMY
.OR ZPBIN
ZS.START
ZPPTR1 .BS 2
ZPBufPtr .BS 2
ByteIndex .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
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.DA #S.PS.F.EVENT S.PS.F
.DA #0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #16 SS
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.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
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L.MSG.CRLF .DA MSG.CRLF
L.MSG.LINENUM .DA MSG.LINENUM
L.MSG.CTRLCHAR .DA MSG.CTRLCHAR
L.ASCII .DA ASCII
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L.MSG.STACK .DA MSG.STACK
.DA 0
*--------------------------------------
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CS.INIT clc
rts
*--------------------------------------
CS.RUN
.1 >INC.G ArgCount
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>SYSCALL ArgV
bcs .7
>STYA ZPPtr1
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lda (ZPPtr1)
cmp #'-'
bne .4
ldy #1
lda (ZPPtr1),y
ldx OptionList
.2 cmp OptionList,x
beq .3
dex
bne .2
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.99 >PUSHBI 0
>LDYA L.MSG.USAGE
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>SYSCALL printf
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lda #E.SYN
sec
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.9 rts
.3 ldy OptionVars-1,x
lda #$80
sta (pData),y
bra .1
.4 >INC.G FileCount
bra .1 scan for any other args
.7 >LDA.G FileCount
beq .99
>LDYAI 256
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>SYSCALL GetMem
bcs .9
>STYA ZPBufPtr
txa
>STA.G hBuf
*--------------------------------------
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CS.RUN.LOOP ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL feof
bcs .90 IO error
tay
beq .10 bo char
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>SYSCALL GetChar
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bcs .9 IO error
cmp #$03 Ctrl-C
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beq .9 Abort....
cmp #$13 Ctrl-S
bne .10
>LDA.G bPause
eor #$ff
sta (pData),y
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bne CS.RUN.LOOP
.10 >LDA.G bPause
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bne CS.RUN.LOOP Pause...
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.11 >LDA.G hFILE
bne .2
.1 >INC.G ArgIndex
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>SYSCALL ArgV
bcs .99 No more arg...the end!
>STYA ZPPtr1
lda (ZPPtr1)
cmp #'-'
beq .1 An option, skip...
>LDYA ZPPtr1
jsr CS.RUN.OPEN
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.90 bcs .9
>STA.G hFILE
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.2 >PUSHWI 256
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>PUSHW ZPBufPtr
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>LDA.G hFILE
>SYSCALL fgets
bcs .7
jsr CS.RUN.PRINT
bcc CS.RUN.LOOP
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rts
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.7 cmp #MLI.E.EOF
bne .9
jsr CS.RUN.CLOSE
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jmp CS.RUN.LOOP
.99 lda #0 Exit with no Error
.9 sec
rts
*--------------------------------------
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CS.RUN.OPEN phy
pha
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lda #0
>STA.G bPrintedBlankLine Reset this flag for the new file
>PUSHWI 0 Aux type
>PUSHBI S.FI.T.TXT
>PUSHBI O.RDONLY+O.TEXT
pla
ply
>SYSCALL FOpen
rts
*--------------------------------------
CS.RUN.PRINT >INCW.G LineNum
>LDA.G bSuppressBlankLine
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bpl .2
lda (ZPBufPtr)
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bne .1 Empty line ?
>LDA.G bPrintedBlankLine
bmi .8
lda #$ff
sta (pData),y
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bra .2
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.1 >STZ.G bPrintedBlankLine
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.2 jsr CS.RUN.PRINTNUM
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bcs .99
>LDA.G bPrintAll
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bmi .3
>LDYA ZPBufPtr
>SYSCALL puts
rts
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.3 stz ByteIndex
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.4 ldy ByteIndex
lda (ZPBufPtr),y
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beq .7
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cmp #C.SPACE
bcc .5
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>SYSCALL putchar
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.99 bcs .9
bra .62
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.8 clc
rts
.5 tax
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>LDYA L.ASCII
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>STYA ZPPtr1
.6 dex
bmi .61
lda ZPPtr1
sec
adc (ZPPtr1)
sta ZPPtr1
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bcc .6
inc ZPPtr1+1
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bra .6
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.61 >PUSHW ZPPtr1
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>PUSHBI 2
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>LDYA L.MSG.CTRLCHAR
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>SYSCALL printf
bcs .9
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.62 inc ByteIndex
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bne .4
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.7 >PUSHBI 2
>LDYA L.MSG.CRLF
>SYSCALL printf
.9 rts
*--------------------------------------
CS.RUN.PRINTNUM clc
>LDA.G bLineNum
bpl .8
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>PUSHW.G LineNum
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>PUSHBI 2
>LDYA L.MSG.LINENUM
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>SYSCALL printf
.8 rts
*--------------------------------------
CS.QUIT >LDA.G hBuf
beq CS.RUN.CLOSE
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>SYSCALL FreeMem
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CS.RUN.CLOSE >LDA.G hFILE
beq .8
pha
lda #0
sta (pData),y
pla
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>SYSCALL FClose
.8 clc
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
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PrintStack >PUSHW pStack
>PUSHBI 2
>LDYA L.MSG.STACK
>SYSCALL printf
rts
*--------------------------------------
CS.END
*--------------------------------------
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MSG.STACK .AZ ">%H:"
OptionList >PSTR "ANSans"
OptionVars .DA #bPrintAll,#bLineNum,#bSuppressBlankLine,#bPrintAll,#bLineNum,#bSuppressBlankLine
*--------------------------------------
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MSG.USAGE .AS "Usage : CAT File1 [File2...]\r\n"
.AS " -A : Show All non printable caracters\r\n"
.AS " -N : Number all output lines\r\n"
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.AS " -S : Suppress repeated empty output lines"
MSG.CRLF .AZ "\r\n"
MSG.LINENUM .AZ "%5D:"
MSG.CTRLCHAR .AZ "[%S]"
*--------------------------------------
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ASCII >PSTR "NUL"
>PSTR "SOH"
>PSTR "STX"
>PSTR "ETX"
>PSTR "EOT"
>PSTR "ENQ"
>PSTR "ACK"
>PSTR "BEL"
>PSTR "BS"
>PSTR "TAB"
>PSTR "LF"
>PSTR "VT"
>PSTR "FF"
>PSTR "CR"
>PSTR "SO"
>PSTR "SI"
>PSTR "DLE"
>PSTR "DC1"
>PSTR "DC2"
>PSTR "DC3"
>PSTR "DC4"
>PSTR "NAK"
>PSTR "SYN"
>PSTR "ETB"
>PSTR "CAN"
>PSTR "EM"
>PSTR "SUB"
>PSTR "ESC"
>PSTR "FS"
>PSTR "GS"
>PSTR "RS"
>PSTR "US"
*--------------------------------------
.DUMMY
.OR 0
DS.START
ArgCount .BS 1
FileCount .BS 1
bPause .BS 1
bPrintAll .BS 1
bLineNum .BS 1
bSuppressBlankLine .BS 1
ArgIndex .BS 1
hBuf .BS 1
hFile .BS 1
LineNum .BS 2
bPrintedBlankLine .BS 1
DS.END
.ED
*--------------------------------------
MAN
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SAVE USR/SRC/BIN/CAT.S
ASM