mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-25 18:29:36 +00:00
500 lines
8.6 KiB
Plaintext
500 lines
8.6 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/LOGIN
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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/LIBCRYPT.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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ZPUsrID .BS 1
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ZPShellPtr .BS 2
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ZPRetryCnt .BS 1
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ZPbValidUser .BS 1
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ZPhGetLine .BS 1
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ZPGetLinePtr .BS 2
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ZPbGetLineSecret .BS 1
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ZPGetLineLen .BS 1
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ZPGetLineMax .BS 1
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ZPhSID .BS 1
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ZPhFile .BS 1
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ZPStrPtr .BS 2
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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 #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 #64 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.NOAUTH .DA MSG.NOAUTH
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L.LIBCRYPT .DA LIBCRYPT
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L.MSG.LOGIN .DA MSG.LOGIN
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L.MSG.PASSWORD .DA MSG.PASSWORD
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L.MSG.BAD .DA MSG.BAD
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L.MSG.CRLF .DA MSG.CRLF
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L.MSG.BS .DA MSG.BS
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L.SESSION.ROOT .DA SESSION.ROOT
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L.ETCISSUE .DA ETCISSUE
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L.ETCMOTD .DA ETCMOTD
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L.SHELL .DA SHELL
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.DA 0
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*--------------------------------------
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CS.INIT clc
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CS.INIT.RTS rts
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*--------------------------------------
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CS.RUN >LDYAI 256
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>SYSCALL getmem
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bcs CS.INIT.RTS
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>STYA ZPGetLinePtr
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stx ZPhGetLine
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>LDYA L.ETCISSUE
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jsr CS.RUN.DUMPFILE
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>PUSHW pData PW
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lda #0
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>SYSCALL GetPWUID
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bcc CS.RUN.AUTH
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jmp CS.RUN.NOAUTH
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*--------------------------------------
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CS.RUN.AUTH >LDYA L.LIBCRYPT
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>SYSCALL LoadLib
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bcs CS.INIT.RTS
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sta hLIBCRYPT
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lda #3
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sta ZPRetryCnt
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.1 >PUSHBI 0
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>LDYA L.MSG.LOGIN
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>SYSCALL printf
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bcs .9
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lda #16
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clc
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jsr CS.RUN.GetLine
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bcs .9
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>PUSHW pData
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>LDYA ZPGetLinePtr
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>SYSCALL GetPWName
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ror ZPbValidUser
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>PUSHBI 0
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>LDYA L.MSG.PASSWORD
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>SYSCALL printf
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bcs .9
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lda #128
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sec
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jsr CS.RUN.GetLine
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bcs .9
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>PUSHBI 0
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>LDYA L.MSG.CRLF
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>SYSCALL printf
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bcs .9
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jsr CS.RUN.CHECKPWD
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bcc CS.RUN.LOGIN
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>PUSHBI 0
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>LDYA L.MSG.BAD
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>SYSCALL printf
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bcs .9
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dec ZPRetryCnt
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bne .1
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lda #E.IUSR
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* sec
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.9 rts
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*--------------------------------------
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CS.RUN.CHECKPWD rol ZPbValidUser
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bcs CS.RUN.CHECK.9
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>PUSHW ZPGetlinePtr
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>PUSHW ZPGetlinePtr
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>LIBCALL hLIBCRYPT,LIBCRYPT.MD5
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>PUSHEA.G PW+S.PW.PASSWD
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>LDYA ZPGetlinePtr
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>SYSCALL strcmp
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CS.RUN.CHECK.9 rts
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*--------------------------------------
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CS.RUN.LOGIN jsr CS.RUN.SetUserSession
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bcc CS.RUN.EXEC
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CS.RUN.LOGIN.9 rts
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*--------------------------------------
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CS.RUN.NOAUTH >PUSHBI 0
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>LDYA L.MSG.NOAUTH
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>SYSCALL printf
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bcs CS.RUN.CHECK.9
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jsr CS.RUN.SetRootSession
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bcs CS.RUN.LOGIN.9
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CS.RUN.EXEC ldx #1
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.1 lda S.Table.hSession-1,x
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beq .2
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inx
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cpx #K.USR.MAX+1
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bne .1
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lda #E.OOH
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* sec
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rts
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.2 stx ZPUsrID
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txa
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ldy #S.PS.hSID
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sta (pPS),y
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lda ZPhSID
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ldx ZPUsrID
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sta S.Table.hSession-1,x
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ldy #S.PS.hStdIn
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lda (pPS),y
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sta S.Table.hFILE-1,x
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>LDYA L.ETCMOTD
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jsr CS.RUN.DumpFile
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>PUSHBI S.PS.F.HOLD
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>LDYA L.SHELL
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>SYSCALL ExecL
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bcs .9
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>SLEEP
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ldx ZPUsrID
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lda S.Table.hSession-1,x
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stz S.Table.hSession-1,x
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stz S.Table.hFILE-1,x
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>SYSCALL freemem
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.9 rts
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*--------------------------------------
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CS.RUN.SetRootSession
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>LDYA L.SESSION.ROOT
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>STYA ZPStrPtr
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>LDYAI SESSION.ROOT.Size
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>SYSCALL getmem
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bcs .9
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>STYA pSession
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stx ZPhSID
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ldy #SESSION.ROOT.Size-1
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.1 lda (ZPStrPtr),y
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sta (pSession),y
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dey
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bpl .1
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* clc
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.9 rts
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*--------------------------------------
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CS.RUN.SetUserSession
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ldx #S.SESSION.NAME P+UID+GID
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ldy #S.PW.NAME-1
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.1 inx
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iny
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lda (pData),y
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bne .1 NAME len
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inx
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ldy #S.PW.GECOS-1
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.2 inx
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iny
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lda (pData),y
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bne .2 GECOS len
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inx
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ldy #S.PW.DIR-1
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.3 inx
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iny
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lda (pData),y
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bne .3 DIR len
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inx
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ldy #S.PW.SHELL-1
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.4 inx
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iny
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lda (pData),y
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bne .4 SHELL len
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txa
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tay
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lda #0
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>SYSCALL getmem
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bcs .9
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>STYA pSession
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>STYA ZPStrPtr
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stx ZPhSID
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* clc
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ldy #S.PW.GID
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lda (pData),y
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tax
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bne .5
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sec
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.5 ldy #S.PW.UID
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lda (pData),y
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bne .6
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sec
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.6 lda #0
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ror
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jsr CS.RUN.AddByte PRIV
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lda (pData),y
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jsr CS.RUN.AddByte UID
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txa
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jsr CS.RUN.AddByte GID
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ldy #S.PW.NAME
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jsr CS.RUN.AddStr
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ldy #S.PW.GECOS
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jsr CS.RUN.AddStr
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ldy #S.PW.DIR
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jsr CS.RUN.AddStr
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ldy #S.PW.SHELL
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jsr CS.RUN.AddStr
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lda #0
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jsr CS.RUN.AddByte
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clc
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.9 rts
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*--------------------------------------
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CS.RUN.AddStr lda (pData),y
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jsr CS.RUN.AddByte
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iny
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tax
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bne CS.RUN.AddStr
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rts
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*--------------------------------------
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CS.RUN.AddByte sta (ZPStrPtr)
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inc ZPStrPtr
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bne .8
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inc ZPStrPtr+1
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.8 rts
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*--------------------------------------
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CS.RUN.GetLine sta ZPGetLineMax
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ror ZPbGetLineSecret
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stz ZPGetLineLen
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.1 >SYSCALL getchar
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bcs .9
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cmp #C.SPACE
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bcc .2
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ldy ZPGetLineLen
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cpy ZPGetLineMax
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beq .1
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sta (ZPGetLinePtr),y
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iny
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sty ZPGetLineLen
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bit ZPbGetLineSecret
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bmi .1
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>SYSCALL putchar
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bra .1
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.2 cmp #3 Ctrl-C
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beq .9
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cmp #C.CR
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beq .8
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cmp #C.BS
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bne .1
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ldy ZPGetLineLen
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beq .1
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dec ZPGetLineLen
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bit ZPbGetLineSecret
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bmi .1
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>PUSHBI 0
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>LDYA L.MSG.BS
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>SYSCALL printf
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bra .1
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.8 ldy ZPGetLineLen
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lda #0
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sta (ZPGetLinePtr),y
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clc
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.9 rts
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*--------------------------------------
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CS.RUN.DumpFile 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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stx ZPhFile
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.1 >PUSHWI 256
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>PUSHW ZPGetLinePtr
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lda ZPhFile
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>SYSCALL fgets
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bcs .8
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>LDYA ZPGetLinePtr
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>SYSCALL ExpandStr
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bcc .2
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php
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pha
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jsr .8
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pla
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plp
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rts
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.2 phx
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>STYA ZPStrPtr
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ldy #$ff
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.3 iny
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lda (ZPStrPtr),y
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bne .3
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lda #C.CR
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sta (ZPStrPtr),y
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iny
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lda #C.LF
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sta (ZPStrPtr),y
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iny
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lda #0
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sta (ZPStrPtr),y
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>PUSHBI 0
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>LDYA ZPStrPtr
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>SYSCALL printf
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pla
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>SYSCALL freemem
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bra .1
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.8 lda ZPhFile
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>SYSCALL fclose
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.9 rts
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*--------------------------------------
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CS.DOEVENT
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sec
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rts
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*--------------------------------------
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CS.QUIT lda ZPhGetLine
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beq .1
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>SYSCALL freemem
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.1 lda hLIBCRYPT
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beq .8
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>SYSCALL UnloadLib
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.8 clc
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rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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LIBCRYPT .AZ "libcrypt"
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hLIBCRYPT .BS 1
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MSG.NOAUTH .AS "\r\n\r\nA2osX-Login:No ETC/PASSWD file present, Logged as ROOT.\r\n"
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.AS "Consider adding ROOT password with USERADD command.\r\n"
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MSG.CRLF .AZ "\r\n"
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MSG.LOGIN .AZ "\r\nlogin:"
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MSG.PASSWORD .AZ "\r\npassword:"
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MSG.BAD .AZ "Bad user or password\r\n"
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MSG.BS .DA #C.BS,#C.SPACE,#C.BS,#0
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ETCISSUE .AZ "${ROOT}ETC/ISSUE"
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ETCMOTD .AZ "${ROOT}ETC/MOTD"
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SHELL .AZ "${SHELL}"
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*--------------------------------------
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SESSION.ROOT .DA #S.SESSION.P.ROOT
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.DA #0 UID
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.DA #0 GID
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.AZ "ROOT" NAME
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.AZ "Root User" GECOS
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.AZ "${ROOT}ROOT/" DIR
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.AZ "${ROOT}BIN/SH" SHELL
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SESSION.ROOT.Size .EQ *-SESSION.ROOT
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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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PW .BS S.PW
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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/SBIN/LOGIN.S
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ASM
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