mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 00:32:44 +00:00
358 lines
6.7 KiB
Plaintext
358 lines
6.7 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF sbin/getty
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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/net.telnet.i
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*--------------------------------------
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TIMEOUT.MAX .EQ 40 4 sec.
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IAC.BUF.MAX .EQ 32
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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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TimeOut .BS 1
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ArgIndex .BS 1
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ArgDev .BS 1
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ArgProg .BS 1
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hFILE .BS 1
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bExitOnClose .BS 1
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IAC.CMD .BS 1
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IAC.SUBCMD .BS 1
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IAC.SB.CMD .BS 1
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IAC.SB.LEN .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 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.GREETINGS .DA MSG.GREETINGS
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L.TELNETOPTS .DA TELNETOPTS
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L.TELNETOPT.TTYPE .DA TELNETOPT.TTYPE
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L.TELNETOPT.LMODE .DA TELNETOPT.LMODE
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L.ENV.TERM .DA ENV.TERM
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.DA 0 End Of Reloc Table
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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 ldy #S.PS.ARGC
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lda (pPS),y
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cmp #2
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bcc .9
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.1 inc ArgIndex
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lda ArgIndex
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>SYSCALL ArgV
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bcs .8
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>STYA ZPPtr1
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jsr CkeckOption
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bcs .9
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beq .1 valid option, check next arg
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ldx ArgIndex
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lda ArgDev
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bne .2
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stx ArgDev
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bra .1
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.2 lda ArgProg
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bne .9
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stx ArgProg
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bra .1
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.9 >PUSHW L.MSG.USAGE
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>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
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sec
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.99 rts
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.8 lda ArgProg
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beq .9
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lda ArgDev
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beq .9
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>SYSCALL ArgV
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>PUSHYA
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>PUSHBI O.RDWR
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>PUSHBI 0 type
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>PUSHWZ auxtype
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>SYSCALL FOpen
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bcs .99
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sta hFILE
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ldy #S.PS.hStdIn
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sta (pPS),y
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iny #S.PS.hStdOut
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sta (pPS),y
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iny #S.PS.hStdErr
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sta (pPS),y
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CS.RUN.LOOP0 >SLEEP
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>PUSHW L.ENV.TERM
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>SYSCALL UnsetEnv
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.1 ldy #S.PS.hStdOut
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lda (pPS),y
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>PUSHA
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>PUSHW L.TELNETOPTS
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>PUSHWI TELNETOPTS.LEN
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>SYSCALL FWrite
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bcs CS.RUN.EXIT I/O error
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lda #TIMEOUT.MAX
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sta TimeOut
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CS.RUN.LOOP1 >SLEEP
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ldy #S.PS.hStdIn
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lda (pPS),y
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>SYSCALL FEOF
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bcs CS.RUN.9 I/O error
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tay
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bne .1 no char
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>SYSCALL GetChar
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bcs CS.RUN.9
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cmp #IAC
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beq CS.RUN.IACMODE
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>SYSCALL PutChar
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bcs CS.RUN.EXIT
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bra CS.RUN.LOOP1
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.1 lda TimeOut
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bne CS.RUN.LOOP1
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jsr CS.RUN.GREETINGS
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bcs CS.RUN.EXIT unable to send greetings...
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.2 lda ArgProg
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>SYSCALL ArgV
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>PUSHYA
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>PUSHBI S.PS.F.HOLD
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>SYSCALL ExecV
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>SLEEP
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CS.RUN.EXIT lda bExitOnClose
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bmi .8
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ldy #S.PS.S
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lda (pPS),y
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cmp #S.PS.S.QUIT I've been killed :-(
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beq .8
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jmp CS.RUN.LOOP0
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.8 lda #0
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sec
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CS.RUN.9 rts
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*--------------------------------------
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CS.RUN.IACMODE >SYSCALL GetChar Wait for IAC CMD (or SB)
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bcs CS.RUN.9
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sta IAC.CMD
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>SYSCALL GetChar Wait for IAC SUBCMD
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bcs CS.RUN.9
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sta IAC.SUBCMD
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tax
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lda IAC.CMD
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cmp #SB
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beq CS.RUN.IAC.SB
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*--------------------------------------
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CS.RUN.IAC.CMD cmp #WILL
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bne .8
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cpx #TN.O.TTYPE
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bne .2
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ldy #S.PS.hStdOut
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lda (pPS),y
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>PUSHA
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>PUSHW L.TELNETOPT.TTYPE
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>PUSHWI TELNETOPT.TTYPE.LEN
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bra .7
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.2 cpx #TN.O.LINEMODE
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bne .8
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ldy #S.PS.hStdOut
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lda (pPS),y
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>PUSHA
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>PUSHW L.TELNETOPT.LMODE
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>PUSHWI TELNETOPT.LMODE.LEN
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.7 >SYSCALL FWrite
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.8 jmp CS.RUN.LOOP1
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*--------------------------------------
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CS.RUN.IAC.SB >SYSCALL GetChar Wait for IAC SB.IS or SEND
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bcs .9
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sta IAC.SB.CMD
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stz IAC.SB.LEN
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.2 >SYSCALL GetChar
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bcs .9
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cmp #IAC
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beq .4 end of DATA, go wait SE
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ldy IAC.SB.LEN
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sta (pData),y
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iny
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lda #0
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sta (pData),y
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sty IAC.SB.LEN
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cpy #IAC.BUF.MAX
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bne .2
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bra .8
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.4 >SYSCALL GetChar
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bcs .9
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cmp #SE
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bne .8
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lda IAC.SUBCMD
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cmp #TN.O.TTYPE
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bne .8
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lda IAC.SB.CMD
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cmp #SB.IS
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bne .8
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>PUSHW L.ENV.TERM
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>PUSHW pData IAC.SB.DATA
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>SYSCALL SetEnv
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.8 jmp CS.RUN.LOOP1
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.9 rts
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*--------------------------------------
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CS.RUN.GREETINGS
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>PUSHW L.MSG.GREETINGS
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>PUSHW A2osX.KVER
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lda ArgDev
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>SYSCALL ArgV
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>PUSHYA
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>PUSHBI 4
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>SYSCALL PrintF
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rts
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*--------------------------------------
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CS.DOEVENT lda (pEvent)
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bpl .9 is it a TIMER event?
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lda TimeOut
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beq .9
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dec TimeOut
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.9 sec do not discard TIMER event
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rts
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*--------------------------------------
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CS.QUIT lda hFILE
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beq .8
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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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CkeckOption lda (ZPPtr1)
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cmp #'-'
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bne .8
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ldy #2
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lda (ZPPtr1),y
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bne .8
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dey
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lda (ZPPtr1),y
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ldx #OptionVars-OptionList-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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sec invalid option
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rts
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.3 ldy OptionVars,x
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eor #$80 toggle option
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sta $0,y
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lda #0 exit with 0
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.8 clc !0 if not an option
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rts
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*--------------------------------------
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CS.END
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OptionList .AS "Ee"
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OptionVars .DA #bExitOnClose,#bExitOnClose
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MSG.GREETINGS .AZ "\r\nA2osX-GeTTY %d.%d on %s\r\n"
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MSG.USAGE .AS "Usage : GETTY <DEV> <PROGRAM>\r\n"
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.AZ " -E : Exit on disconnect\r\n"
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*--------------------------------------
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TELNETOPTS .DA #IAC,#WILL,#TN.O.BINARY
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.DA #IAC,#WILL,#TN.O.ECHO
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.DA #IAC,#WILL,#TN.O.SGA
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.DA #IAC,#DO,#TN.O.SGA
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* .DA #IAC,#DO,#TN.O.NAWS
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.DA #IAC,#DO,#TN.O.TTYPE
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.DA #IAC,#DO,#TN.O.LINEMODE
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TELNETOPTS.LEN .EQ *-TELNETOPTS
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*--------------------------------------
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TELNETOPT.TTYPE .DA #IAC,#SB,#TN.O.TTYPE,#SB.SEND,#IAC,#SE
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TELNETOPT.TTYPE.LEN .EQ *-TELNETOPT.TTYPE
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*--------------------------------------
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TELNETOPT.LMODE .DA #IAC,#SB,#TN.O.LINEMODE,#SB.SEND,#0,#IAC,#SE
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TELNETOPT.LMODE.LEN .EQ *-TELNETOPT.LMODE
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ENV.TERM .AZ "TERM"
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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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IAC.SB.DATA .BS IAC.BUF.MAX
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DS.END .ED
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MAN
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SAVE usr/src/sbin/getty.s
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ASM
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