mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
573 lines
8.5 KiB
Plaintext
573 lines
8.5 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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X.PWD jmp (.1-SYS.GetPWUID,x)
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.1 .DA PWD.GetPWUID
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.DA PWD.GetPWName
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.DA PWD.PutPW
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*--------------------------------------
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* ZPPtr1 : UID / pName (Input)
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* ZPPtr2 : pPW (Output)
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* ZPPtr3 : pDB
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* USERNAME:PASSWORD:UID:GID:GECOS:HOME:SHELL\CR
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* ....\CR
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* \0
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*--------------------------------------
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PWD.GetPWUID lda PWD.hDB
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beq PWD.GetPW.9
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jsr K.GetmemPtr
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>STYA ZPPtr3
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.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 ZPPtr2+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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sec
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rts
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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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*--------------------------------------
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PWD.GetPWName lda PWD.hDB
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beq PWD.GetPW.9
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jsr K.GetmemPtr
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>STYA ZPPtr3
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>LDYA ZPPtr1
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>STYA TXTPTR
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ldy #0
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jsr MEM.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 MEM.TXTPTR.GetY
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beq .4
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cmp (ZPPtr3),y
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beq .2
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.3 jsr PWD.NextLine
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bra .1
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.4 lda (ZPPtr3),y
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cmp #':'
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bne .3
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ldx ZPPtr2+1
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beq .8
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jmp PWD.Record2PW
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.8 iny
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jsr PWD.NextString skip PASSWORD
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iny
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jmp PWD.GetByte get UID
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*--------------------------------------
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* ZPPtr2 : pPW (Input)
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* ZPPtr3 : pDB
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*--------------------------------------
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PWD.PutPW >LDYA ZPPtr2
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>STYA TXTPTR
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lda PWD.hDB
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bne .1
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ldy #S.PW.UID
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jsr MEM.TXTPTR.GetY
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bne PWD.GetPW.RTS Must be ROOT user
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jsr PWD.GetRecordLen
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tay
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lda #0
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>STYA PWD.DBSize
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jsr K.getmem
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bcs PWD.GetPW.RTS
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>STYA ZPPtr3
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>STYA PWD.DBPtr
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stx PWD.hDB
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jmp .8
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.1 jsr K.GetmemPtr
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>STYA PWD.DBPtr
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ldy #S.PW.PASSWD
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jsr MEM.TXTPTR.GetY
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bne .12
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jsr PWD.DeleteRecord
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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
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bcs .99
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ldy #S.PW.UID
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sta CLRWRITEAUX
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sta (TXTPTR),y
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sta SETWRITEAUX
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.11 jsr PWD.GetRecordLen
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clc
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adc PWD.DBSize
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sta PWD.DBSize
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bcc .2
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inc PWD.DBSize+1
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.2 >LDYA PWD.DBPtr
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>STYA ZPPtr4
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>LDYA PWD.DBSize
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jsr K.Getmem
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bcs .99
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>STYA ZPPtr3
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>STYA PWD.DBPtr
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ldy #0
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.3 lda (ZPPtr4),y
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sta (ZPPtr3),y
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beq .4
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iny
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bne .3
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inc ZPPtr4
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inc ZPPtr3
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bra .3
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.4 tya
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clc
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adc ZPPtr3
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sta ZPPtr3
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bcc .5
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inc ZPPtr3+1
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.5 lda PWD.hDB
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stx PWD.hDB
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jsr K.Freemem
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.8 jsr PWD.StoreRecord
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.80 inc PWD.bDirty
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clc
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.99 rts
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.9 lda #E.IPWDDB
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sec
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rts
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*--------------------------------------
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* ZPPtr2 = pPW
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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
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.1 lda (ZPPtr3)
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beq .8 End of DB
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ldy #0
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jsr PWD.NextString skip name
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jsr PWD.NextString skip password
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jsr PWD.GetByte
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cmp .8+1
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bcc .4
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sta .8+1
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.4 jsr PWD.NextLine
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bra .1
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.8 lda #$ff SELF MODIFIED
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inc
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beq .9
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clc
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rts
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.9 lda #E.IUSR
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sec
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rts
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*--------------------------------------
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PWD.DeleteRecord
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jsr PWD.FindRecord
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bcs .9
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.1 iny
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lda (ZPPtr3),y
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cmp #C.CR
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bne .1
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sty .3+1
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tya
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sec
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adc ZPPtr3
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sta ZPPtr4
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lda ZPPtr3+1
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adc #0
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sta ZPPtr4+1
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ldy #$ff
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.2 iny
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lda (ZPPtr4),y
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sta (ZPPtr3),y
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bne .2
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lda PWD.DBSize
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sec
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.3 sbc #$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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*--------------------------------------
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PWD.FindRecord >LDYA PWD.DBPtr
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>STYA ZPPtr3
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>LDYA ZPPtr2
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>STYA TXTPTR
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.2 lda (ZPPtr3)
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beq .9 End of DB
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ldy #$ff
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.3 iny
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jsr MEM.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
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bra .2
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.4 lda (ZPPtr3),y
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cmp #':'
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bne .5
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clc
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rts
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.9 lda #E.IUSR
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sec
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rts
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*--------------------------------------
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PWD.NextString lda (ZPPtr3),y
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iny
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cmp #':'
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bne PWD.NextString
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rts
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*--------------------------------------
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PWD.NextLine iny
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lda (ZPPtr3),y
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cmp #C.CR
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bne PWD.NextLine
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tya
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sec
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adc ZPPtr3
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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 sta CLRWRITEAUX
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ldy #0
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ldx #0 NAME
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.1 lda (ZPPtr3),y
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iny
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cmp #':'
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beq .2
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jsr MEM.PutCharPtr2
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inx
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bra .1
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.2 lda #0
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jsr MEM.PutCharPtr2
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inx
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cpx #S.PW.PASSWD
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bne .2
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.3 lda (ZPPtr3),y
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iny
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cmp #':'
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beq .4
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jsr MEM.PutCharPtr2
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inx
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bra .3
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.4 lda #0
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jsr MEM.PutCharPtr2
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inx
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cpx #S.PW.UID
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bne .4
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jsr PWD.GetByte UID
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jsr MEM.PutCharPtr2
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jsr PWD.GetByte GID
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jsr MEM.PutCharPtr2
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ldx #S.PW.GECOS
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.5 lda (ZPPtr3),y
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iny
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cmp #':'
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beq .6
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jsr MEM.PutCharPtr2
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inx
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bra .5
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.6 lda #0
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jsr MEM.PutCharPtr2
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inx
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cpx #S.PW.DIR
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bne .6
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.7 lda (ZPPtr3),y
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iny
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cmp #':'
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beq .8
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jsr MEM.PutCharPtr2
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inx
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bra .7
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.8 lda #0
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jsr MEM.PutCharPtr2
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inx
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cpx #S.PW.SHELL
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bne .8
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.9 lda (ZPPtr3),y
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iny
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cmp #C.CR
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beq .10
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jsr MEM.PutCharPtr2
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inx
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bra .9
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.10 lda #0
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jsr MEM.PutCharPtr2
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sta SETWRITEAUX
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clc
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rts
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*--------------------------------------
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PWD.GetByte stz ZPPtr4
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.1 lda (ZPPtr3),y
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iny
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cmp #':'
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beq .8
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and #$f
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pha
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lda ZPPtr4
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asl
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asl
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clc
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adc ZPPtr4
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asl
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sta ZPPtr4
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pla
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clc
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adc ZPPtr4
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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
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.HS 90 BCC
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*--------------------------------------
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PWD.GetRecordLen
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clc
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ldx #0
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ldy #S.PW.NAME-1
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jsr PWD.StoreString
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lda #':'
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jsr PWD.StoreChar
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ldy #S.PW.PASSWD-1
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jsr PWD.StoreString
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lda #':'
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jsr PWD.StoreChar
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ldy #S.PW.UID
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jsr MEM.TXTPTR.GetY
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jsr PWD.StoreByte
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lda #':'
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jsr PWD.StoreChar
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iny S.PW.UID
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jsr MEM.TXTPTR.GetY
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jsr PWD.StoreByte
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lda #':'
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jsr PWD.StoreChar
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* iny S.PW.GECOS
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jsr PWD.StoreString
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lda #':'
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jsr PWD.StoreChar
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ldy #S.PW.DIR-1
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jsr PWD.StoreString
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lda #':'
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jsr PWD.StoreChar
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ldy #S.PW.SHELL-1
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jsr PWD.StoreString
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lda #C.CR
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jsr PWD.StoreChar
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txa
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rts
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*--------------------------------------
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PWD.StoreString iny
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jsr MEM.TXTPTR.GetY
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beq .8
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jsr PWD.StoreChar
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bra PWD.StoreString
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.8 rts
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*--------------------------------------
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PWD.StoreByte php
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phx
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stz .2+1
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stz .3+1
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ldx #8
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sed
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.1 asl
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pha
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.2 lda #$ff Self Modified
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adc .2+1
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sta .2+1
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.3 lda #$ff Self Modified
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adc .3+1
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sta .3+1
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pla
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dex
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bne .1
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cld
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plx
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plp
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lda .3+1
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beq .4
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jsr PWD.StoreChar30
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.4 lda .2+1
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beq PWD.StoreChar30
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php
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lsr
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lsr
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lsr
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lsr
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plp
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and #$0f plp corrupt Z
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beq .5
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jsr PWD.StoreChar30
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.5 lda .2+1
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and #$0f
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*--------------------------------------
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PWD.StoreChar30 ora #$30
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PWD.StoreChar inx
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bcc .9 Dry run, no store
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sta (ZPPtr3)
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inc ZPPtr3
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bne .9
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inc ZPPtr3+1
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.9 rts
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*--------------------------------------
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MAN
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SAVE USR/SRC/SYS/KERNEL.S.PWDX
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LOAD USR/SRC/SYS/KERNEL.S
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ASM
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