A2osX/BIN/USERADD.S.txt

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
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.TF bin/useradd
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*--------------------------------------
USER.MAX .EQ 16
PASS.MAX .EQ 64
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*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
*--------------------------------------
* Zero Page Segment, up to 32 bytes
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPWPtr .BS 2
ZPhPW .BS 1
ZPhStr .BS 1
ZPbStrSecret .BS 1
ZPStrLen .BS 1
ZPStrMax .BS 1
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ArgIndex .BS 1
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ArgUsername .BS 1
ZPStrPtr .BS 2
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ZPTmpPtr .BS 2
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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
.DA #0 S.PS.F.EVENT
.DA #0
.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data Segment Size
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.DA #64 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.USAGE .DA MSG.USAGE
L.MSG.ROOTPWD1 .DA MSG.ROOTPWD1
L.MSG.ROOTPWD2 .DA MSG.ROOTPWD2
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L.MSG.MISMATCH .DA MSG.MISMATCH
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L.MSG.DUP .DA MSG.DUP
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L.MSG.BS .DA MSG.BS
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L.MSG.CRLF .DA MSG.CRLF
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J.CS.RUN.CheckArg
.DA CS.RUN.CheckArg.C
.DA CS.RUN.CheckArg.D
.DA CS.RUN.CheckArg.P
.DA CS.RUN.CheckArg.S
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.DA 0
*--------------------------------------
* Called once at process creation
* Put code for loading LIB here
*--------------------------------------
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CS.INIT clc
rts
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*--------------------------------------
* Called until exit with CS
* if RUN exits with CC, RN entered again
*--------------------------------------
CS.RUN >LDYAI S.PW
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>SYSCALL GetMem
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bcs .99
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>STYA ZPPWPtr
stx ZPhPW
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>LDYAI 256
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>SYSCALL GetMem
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bcs .99
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>STYA ZPStrPtr
stx ZPhStr
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lda #0
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>PUSHA
>PUSHW ZPPWPtr
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>SYSCALL GetPWUID
bcc .1
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jmp CS.RUN.ROOT
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.1 ldy #S.PW
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.2 dey
lda PW.DEFAULT,y
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sta (pData),y
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tya
bne .2
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jsr CS.RUN.CheckArg
bcs .9
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jsr CS.RUN.MkDir
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* bcs .99
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>LDYA pData
>SYSCALL putpw
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bcs .99
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lda #0
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sec
rts
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.9 >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
.99 rts
*--------------------------------------
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CS.RUN.ROOT ldy #0
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.1 lda PW.ROOT,y
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sta (pData),y PW
iny
cpy #S.PW
bne .1
sec
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ror ZPbStrSecret
lda #127
sta ZPStrMax
>PUSHBI 0
>LDYA L.MSG.ROOTPWD1
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>SYSCALL PrintF
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bcs .90
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jsr CS.RUN.GetStr
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bcs .90
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>PUSHW ZPStrPtr
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>PUSHEA.G PW+S.PW.PASSWD
>SYSCALL MD5
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>PUSHBI 0
>LDYA L.MSG.ROOTPWD2
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>SYSCALL PrintF
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bcs .9
jsr CS.RUN.GetStr
.90 bcs .9
>PUSHW ZPStrPtr
>PUSHW ZPStrPtr
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>SYSCALL MD5
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>PUSHW ZPStrPtr
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>LEA.G PW+S.PW.PASSWD
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>SYSCALL strcmp
bcs .99
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>LDYA pData
>SYSCALL putpw
bcs .9
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lda #0
sec
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.9 rts
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.99 >PUSHBI 0
>LDYA L.MSG.MISMATCH
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>SYSCALL PrintF
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lda #E.SYN
sec
rts
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*--------------------------------------
CS.RUN.GetStr stz ZPStrLen
.1 >SYSCALL getchar
bcs .9
cmp #C.SPACE
bcc .2
ldy ZPStrLen
cpy ZPStrMax
beq .1
sta (ZPStrPtr),y
iny
sty ZPStrLen
bit ZPbStrSecret
bmi .1
>SYSCALL putchar
bra .1
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.2 cmp #3 Ctrl-C
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beq .9
cmp #C.CR
beq .8
cmp #C.BS
bne .1
ldy ZPStrLen
beq .1
dec ZPStrLen
bit ZPbStrSecret
bmi .1
>PUSHBI 0
>LDYA L.MSG.BS
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>SYSCALL PrintF
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bra .1
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.8 ldy ZPStrLen
lda #0
sta (ZPStrPtr),y
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>PUSHBI 0
>LDYA L.MSG.CRLF
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>SYSCALL PrintF
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.9 rts
*--------------------------------------
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CS.RUN.CheckArg inc ArgIndex
lda ArgIndex
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>SYSCALL ArgV
bcs .8
>STYA ZPStrPtr
lda (ZPStrPtr)
cmp #'-'
bne .4
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ldy #1
lda (ZPStrPtr),y
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ldx #OptionCnt-1
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.2 cmp OptionList,x
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beq .3
dex
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bpl .2
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lda #E.SYN
sec
rts
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.3 txa
and #$fe
tax
jmp (J.CS.RUN.CheckArg,x)
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.4 lda ArgUsername
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bne CS.RUN.CheckArg.9
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lda pData
clc
adc #S.PW.DIR+11
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sta ZPTmpPtr
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lda pData+1
adc /S.PW.DIR+11
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sta ZPTmpPtr+1
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ldy #0
.5 lda (ZPStrPtr),y
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sta (pData),y
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sta (ZPTmpPtr),y
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beq .6
iny
cpy #16
bne .5
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bra CS.RUN.CheckArg.9
.6 lda #'/'
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sta (ZPTmpPtr),y
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>PUSHW ZPPWPtr
lda ArgIndex
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sta ArgUsername
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>SYSCALL ArgV
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>SYSCALL GetPWName
bcc .9
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bra CS.RUN.CheckArg
.8 lda ArgUsername
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beq CS.RUN.CheckArg.9
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clc
rts
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.9 >PUSHBI 0
>LDYA L.MSG.DUP
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>SYSCALL PrintF
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CS.RUN.CheckArg.9
lda #E.SYN
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sec
rts
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*--------------------------------------
CS.RUN.CheckArg.P
inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
>PUSHYA
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>PUSHEA.G S.PW.PASSWD
>SYSCALL MD5
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jmp CS.RUN.CheckArg
*--------------------------------------
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CS.RUN.CheckArg.C
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inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.GECOS
bra CS.RUN.CheckArg.Next
*--------------------------------------
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CS.RUN.CheckArg.D
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inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.DIR
bra CS.RUN.CheckArg.Next
*--------------------------------------
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CS.RUN.CheckArg.S
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inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs CS.RUN.CheckArg.9
ldx #S.PW.SHELL
CS.RUN.CheckArg.Next
>STYA ZPStrPtr
* clc
txa
adc pData
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sta ZPTmpPtr
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lda pData+1
adc #0
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sta ZPTmpPtr+1
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ldy #$ff
.1 iny
lda (ZPStrPtr),y
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sta (ZPTmpPtr),y
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beq .8
cpy #64
bne .1
lda #0
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sta (ZPTmpPtr),y
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.8 jmp CS.RUN.CheckArg
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*--------------------------------------
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CS.RUN.MkDir >PUSHEA.G S.PW.DIR
>PUSHWI S.STAT.MODE.RO+S.STAT.MODE.RG+S.STAT.MODE.FU
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>SYSCALL MKDir
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rts
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*--------------------------------------
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* Called if option S.PS.F.EVENT enabled in Header
* Timer Event : every 10th seconds
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
* Called once, when RUN exited with CS
* Put code for unloading LIB here
*--------------------------------------
CS.QUIT lda ZPhStr
beq .1
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>SYSCALL FreeMem
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.1 lda ZPhPW
beq .2
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>SYSCALL FreeMem
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.2 clc
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rts
*--------------------------------------
CS.END
*--------------------------------------
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OptionList .AS "CcDdPpSs"
OptionCnt .EQ *-OptionList
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*--------------------------------------
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* Initialized DATA
*--------------------------------------
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MSG.USAGE .AS "Usage : USERADD username\r\n"
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.AS " -c : Comment (GECOS)\r\n"
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.AS " -d : Home Directory\r\n"
.AS " -p : Password\r\n"
.AS " -s : Shell\r\n"
MSG.CRLF .AZ "\r\n"
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MSG.ROOTPWD1 .AZ "\r\nPlease enter ROOT password : "
MSG.ROOTPWD2 .AZ "\r\nPlease retype ROOT password : "
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MSG.MISMATCH .AZ "\r\nPasswords mismatch...\r\n"
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MSG.DUP .AZ "\r\nDuplicate username...\r\n"
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MSG.BS .DA #C.BS,#C.SPACE,#C.BS,#0
*--------------------------------------
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PW.ROOT .AS "root"
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.BS 17-4
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.AZ "d41d8cd98f00b204e9800998ecf8427e"
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.DA #0 UID
.DA #0 GID
.AS "Root User"
.BS 65-9
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.AS "${ROOT}root/"
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.BS 65-12
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.AS "${ROOT}bin/sh"
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.BS 65-13
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*--------------------------------------
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PW.DEFAULT .BS 17 NAME
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.AZ "d41d8cd98f00b204e9800998ecf8427e"
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.DA #0 UID
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.DA #1 GID
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.BS 65 GECOS
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.AS "${ROOT}usr/"
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.BS 65-11
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.AS "${ROOT}bin/sh"
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.BS 65-13
*--------------------------------------
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* Per Process DATA segment
*--------------------------------------
.DUMMY
.OR 0
DS.START
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PW .BS S.PW
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DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/USERADD.S
ASM