A2osX/SYS/KERNEL.S.PWDX.txt

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NEW
AUTO 3,1
*--------------------------------------
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* ZPPtr1 : UID
* TXTPTR : pName (Input)
* FORPNT : pPW (Output)
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* ZPPtr3 : pDB
* USERNAME:PASSWORD:UID:GID:GECOS:HOME:SHELL\CR
* ....\CR
* \0
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*--------------------------------------
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PWDX.GetPWUID lda PWD.hDB
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beq PWD.GetPW.9
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jsr K.GetmemPtr
>STYA ZPPtr3
.1 lda (ZPPtr3)
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beq PWD.GetPW.99 EOF
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ldy #0
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jsr PWD.NextString skip USERNAME
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jsr PWD.NextString skip PASSWORD
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jsr PWD.GetByte get UID
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cmp ZPPtr1+1
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beq PWD.GetPW.8
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jsr PWD.NextLine
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bra .1
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PWD.GetPW.8 ldx FORPNT+1
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beq .8 Dry run, no output
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jmp PWD.Record2PW
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.8 clc a = UID
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rts
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PWD.GetPW.9 lda #E.IPWDDB
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.HS 2C BIT ABS
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PWD.GetPW.99 lda #E.IUSR
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sec
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PWD.GetPW.RTS rts
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*--------------------------------------
PWDX.GetPWName lda PWD.hDB
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beq PWD.GetPW.9
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jsr K.GetmemPtr
>STYA ZPPtr3
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ldy #0
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jsr SHARED.TXTPTR.GetY
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beq PWD.GetPW.99
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.1 lda (ZPPtr3)
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beq PWD.GetPW.99
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ldy #$ff
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.2 iny
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jsr SHARED.TXTPTR.GetY
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beq .4
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cmp (ZPPtr3),y
beq .2
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.3 jsr PWD.NextLine
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bra .1
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.4 lda (ZPPtr3),y
cmp #':'
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bne .3
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ldx FORPNT+1
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beq .8
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jmp PWD.Record2PW
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.8 iny
jsr PWD.NextString skip PASSWORD
jmp PWD.GetByte get UID
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*--------------------------------------
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* FORPNT : pPW (Output)
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* ZPPtr3 : pDB
*--------------------------------------
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PWDX.PutPW lda PWD.hDB
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bne .1
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ldy #S.PW.UID
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jsr SHARED.TXTPTR.GetY
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bne PWD.GetPW.RTS Must be ROOT user
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jsr PWD.GetRecordLen
tay
lda #0
>STYA PWD.DBSize
jsr K.getmem
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bcs PWD.GetPW.RTS
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>STYA ZPPtr3
>STYA PWD.DBPtr
stx PWD.hDB
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jmp .8
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.1 jsr K.GetmemPtr
>STYA PWD.DBPtr
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ldy #S.PW.PASSWD
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jsr SHARED.TXTPTR.GetY
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bne .12
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jsr PWD.DeleteRecord
bcc .80
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rts
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.12 jsr PWD.DeleteRecord
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bcc .11 user exits..
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jsr PWD.GetUID new user, get UID
bcs .99
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ldy #S.PW.UID
sta CLRWRITEAUX
sta (TXTPTR),y
sta SETWRITEAUX
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.11 jsr PWD.GetRecordLen
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clc
adc PWD.DBSize
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sta PWD.DBSize
bcc .2
inc PWD.DBSize+1
.2 >LDYA PWD.DBPtr
>STYA ZPPtr4
>LDYA PWD.DBSize
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jsr K.Getmem
bcs .99
>STYA ZPPtr3
>STYA PWD.DBPtr
ldy #0
.3 lda (ZPPtr4),y
sta (ZPPtr3),y
beq .4
iny
bne .3
inc ZPPtr4
inc ZPPtr3
bra .3
.4 tya
clc
adc ZPPtr3
sta ZPPtr3
bcc .5
inc ZPPtr3+1
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.5 lda PWD.hDB
stx PWD.hDB
jsr K.Freemem
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.8 jsr PWD.StoreRecord
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.80 clc
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.99 rts
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.9 lda #E.IPWDDB
sec
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rts
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*--------------------------------------
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PWDX.GetGRGID
*--------------------------------------
PWDX.GetGRName
*--------------------------------------
PWDX.PutGR
*--------------------------------------
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* PRIVATE
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*--------------------------------------
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PWD.GetUID >LDYA PWD.DBPtr
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>STYA ZPPtr3
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stz .8+1
.1 lda (ZPPtr3)
beq .8 End of DB
ldy #0
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jsr PWD.NextString skip name
jsr PWD.NextString skip password
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jsr PWD.GetByte
cmp .8+1
bcc .4
sta .8+1
.4 jsr PWD.NextLine
bra .1
.8 lda #$ff SELF MODIFIED
inc
beq .9
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clc
rts
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.9 lda #E.IUSR
sec
rts
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*--------------------------------------
PWD.DeleteRecord
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jsr PWD.FindRecord
bcs .9
.1 iny
lda (ZPPtr3),y
cmp #C.CR
bne .1
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sty .3+1
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tya
sec
adc ZPPtr3
sta ZPPtr4
lda ZPPtr3+1
adc #0
sta ZPPtr4+1
ldy #$ff
.2 iny
lda (ZPPtr4),y
sta (ZPPtr3),y
bne .2
lda PWD.DBSize
sec
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.3 sbc #$ff SELF MODIFIED
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sta PWD.DBSize
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bcs .8
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dec PWD.DBSize+1
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.8 clc
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.9 rts
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*--------------------------------------
PWD.FindRecord >LDYA PWD.DBPtr
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>STYA ZPPtr3
.2 lda (ZPPtr3)
beq .9 End of DB
ldy #$ff
.3 iny
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jsr SHARED.TXTPTR.GetY
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beq .4
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cmp (ZPPtr3),y
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beq .3
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.5 jsr PWD.NextLine
bra .2
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.4 lda (ZPPtr3),y
cmp #':'
bne .5
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clc
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rts
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.9 lda #E.IUSR
sec
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rts
*--------------------------------------
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PWD.NextString lda (ZPPtr3),y
iny
cmp #':'
bne PWD.NextString
rts
*--------------------------------------
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PWD.NextLine iny
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lda (ZPPtr3),y
cmp #C.CR
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bne PWD.NextLine
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tya
sec
adc ZPPtr3
sta ZPPtr3
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bcc .8
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inc ZPPtr3+1
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.8 rts
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*--------------------------------------
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PWD.Record2PW ldy #0
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ldx #0 NAME
.1 lda (ZPPtr3),y
iny
cmp #':'
beq .2
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jsr SHARED.FORPNT.PutNext
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inx
bra .1
.2 lda #0
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jsr SHARED.FORPNT.PutNext
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inx
cpx #S.PW.PASSWD
bne .2
.3 lda (ZPPtr3),y
iny
cmp #':'
beq .4
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jsr SHARED.FORPNT.PutNext
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inx
bra .3
.4 lda #0
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jsr SHARED.FORPNT.PutNext
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inx
cpx #S.PW.UID
bne .4
jsr PWD.GetByte UID
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jsr SHARED.FORPNT.PutNext
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jsr PWD.GetByte GID
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jsr SHARED.FORPNT.PutNext
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ldx #S.PW.GECOS
.5 lda (ZPPtr3),y
iny
cmp #':'
beq .6
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jsr SHARED.FORPNT.PutNext
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inx
bra .5
.6 lda #0
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jsr SHARED.FORPNT.PutNext
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inx
cpx #S.PW.DIR
bne .6
.7 lda (ZPPtr3),y
iny
cmp #':'
beq .8
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jsr SHARED.FORPNT.PutNext
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inx
bra .7
.8 lda #0
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jsr SHARED.FORPNT.PutNext
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inx
cpx #S.PW.SHELL
bne .8
.9 lda (ZPPtr3),y
iny
cmp #C.CR
beq .10
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jsr SHARED.FORPNT.PutNext
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inx
bra .9
.10 lda #0
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jsr SHARED.FORPNT.PutNext
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clc
rts
*--------------------------------------
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PWD.GetByte stz ZPPtr4
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.1 lda (ZPPtr3),y
iny
cmp #':'
beq .8
and #$f
pha
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lda ZPPtr4
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asl
asl
clc
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adc ZPPtr4
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asl
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sta ZPPtr4
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pla
clc
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adc ZPPtr4
sta ZPPtr4
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bra .1
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.8 lda ZPPtr4
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clc
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rts
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*--------------------------------------
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PWD.StoreRecord sec
.HS 90 BCC
*--------------------------------------
PWD.GetRecordLen
clc
ldx #0
ldy #S.PW.NAME-1
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jsr PWD.StoreString
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lda #':'
jsr PWD.StoreChar
ldy #S.PW.PASSWD-1
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jsr PWD.StoreString
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lda #':'
jsr PWD.StoreChar
ldy #S.PW.UID
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jsr SHARED.TXTPTR.GetY
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jsr PWD.StoreByte
lda #':'
jsr PWD.StoreChar
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ldy #S.PW.GID
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jsr SHARED.TXTPTR.GetY
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jsr PWD.StoreByte
lda #':'
jsr PWD.StoreChar
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ldy #S.PW.GECOS-1
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jsr PWD.StoreString
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lda #':'
jsr PWD.StoreChar
ldy #S.PW.DIR-1
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jsr PWD.StoreString
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lda #':'
jsr PWD.StoreChar
ldy #S.PW.SHELL-1
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jsr PWD.StoreString
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lda #C.CR
jsr PWD.StoreChar
txa
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PWD.GetRecordLen.RTS
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rts
*--------------------------------------
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PWD.StoreString iny
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jsr SHARED.TXTPTR.GetY
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beq PWD.GetRecordLen.RTS
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jsr PWD.StoreChar
bra PWD.StoreString
*--------------------------------------
PWD.StoreByte php
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phx
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jsr MATH.A2STR10NP
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plx
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plp
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ldy #0
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.1 lda A2osX.NumStrBuf,y
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beq PWD.GetRecordLen.RTS
iny
jsr PWD.StoreChar
bra .1
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*--------------------------------------
PWD.StoreChar inx
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bcc .9 Dry run, no store
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sta (ZPPtr3)
inc ZPPtr3
bne .9
inc ZPPtr3+1
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.9 rts
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*--------------------------------------
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MAN
SAVE USR/SRC/SYS/KERNEL.S.PWDX
LOAD USR/SRC/SYS/KERNEL.S
ASM