mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 00:32:44 +00:00
420 lines
6.7 KiB
Plaintext
420 lines
6.7 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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ENVX.hEnv .BS 1
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ENVX.hSID .BS 1
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*--------------------------------------
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ENVX.PutEnv.9 lda #E.SYN
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sec
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rts
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*--------------------------------------
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ENVX.PutEnv sta ENVX.hEnv
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sty ENVX.hSID
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ldy #$ff
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.1 iny
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jsr SHARED.TXTPTRgY NAME=
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beq ENVX.PutEnv.9
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cmp #'='
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bne .1
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tya
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sec skip =
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adc TXTPTR
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sta FORPNT
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lda #0
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adc TXTPTR+1
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sta FORPNT+1
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jsr ENVX.UnsetEnv.I
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bra ENVX.SetEnv.I
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*--------------------------------------
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ENVX.SetEnv jsr ENVX.UnsetEnv
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ENVX.SetEnv.I
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.1 jsr ENVX.InitEnvP3
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lda #1 \0
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sta ZPPtr4
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stz ZPPtr4+1
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.10 lda (ZPPtr3) End of ENV
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beq .15
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jsr ENVX.GetP3LenY
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jsr ENVX.NextEnvP3Y
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jsr ENVX.NextEnvP4Y
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bra .10
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.15 ldy #$ff
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.16 iny
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jsr SHARED.TXTPTRgY
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beq .17
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jsr SHARED.IsIDValid
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bcc .16
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.17 jsr ENVX.NextEnvP4Y ZPPtr4 = ENVSIZE + VAR
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ldy #$ff
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.19 iny
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jsr SHARED.FORPNTgY
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bne .19
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jsr ENVX.NextEnvP4Y ZPPtr4 = ENVSIZE + VALUE
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* lda ENVX.hEnv done by ENVX.InitEnvP3
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* jsr MEM.GetMemByID
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ldy #S.MEM.LEN
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lda (ZPMemMgrSPtr),y
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cmp ZPPtr4
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iny
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lda (ZPMemMgrSPtr),y
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sbc ZPPtr4+1
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bcs .22 env is large enough
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ldy #S.MEM.PTR
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lda (ZPMemMgrSPtr),y
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sta A1L
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iny
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lda (ZPMemMgrSPtr),y
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sta A1L+1
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iny #S.MEM.LEN
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lda (ZPMemMgrSPtr),y
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eor #$ff
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sta A4L
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iny
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lda (ZPMemMgrSPtr),y
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eor #$ff
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sta A4L+1
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>LDYA ZPPtr4
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jsr MEM.DupA1LnA4L
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bcs .9
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pha
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lda ENVX.hEnv
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jsr K.FreeMem
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pla
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sta ENVX.hEnv
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sta IO.CLRWRITEAUX
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ldy #S.PS.hENV
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sta (pPS),y
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sta IO.SETWRITEAUX
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bra .1 Start over
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.22 ldy #$ff
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.23 iny
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jsr SHARED.TXTPTRgY
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sta (ZPPtr3),y
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beq .24
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jsr SHARED.IsIDValid
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bcc .23
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.24 lda #'='
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sta (ZPPtr3),y
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jsr ENVX.NextEnvP3Y
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ldy #$ff
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.25 iny
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jsr SHARED.FORPNTgY
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sta (ZPPtr3),y
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bne .25
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iny
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sta (ZPPtr3),y don't forget array ending 0
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clc
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.9 rts
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*--------------------------------------
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ENVX.GetEnv sta ENVX.hEnv
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sty ENVX.hSID
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ldy TXTPTR+1
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bne .10
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tax hMem for CopyToMain
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jsr MEM.GetMemByID
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ldy #S.MEM.LEN
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lda (ZPMemMgrSPtr),y
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pha
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iny
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lda (ZPMemMgrSPtr),y
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ply YA = Len
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jmp MEM.CopyToMain
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*--------------------------------------
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.10 jsr ENVX.FindEnvVar
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bcc .11
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jsr ENVX.FindSIDVar
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bcs .9
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>STYA ZPPtr3
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bra .12
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.11 jsr ENVX.NextEnvP3Y Skip NAME=
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.12 lda FORPNT+1
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bne .3
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ldy #$ff
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.1 iny
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lda (ZPPtr3),y
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bne .1
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iny
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bne .2
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inc
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.2 ldx #_GetMem
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jsr JMP.M !!! Get a buffer In MAIN Mem !!!
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bcs .99
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>STYA FORPNT
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.3 ldy #$ff
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.4 iny
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lda (ZPPtr3),y
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jsr SHARED.FORPNTpY
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bne .4
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>LDYA FORPNT
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clc
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rts
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.9 lda #E.NOKEY
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* sec
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.99 rts
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*--------------------------------------
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ENVX.UnsetEnv sta ENVX.hEnv
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sty ENVX.hSID
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ENVX.UnsetEnv.I jsr ENVX.FindEnvVar
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bcs .8 not found, quit
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jsr ENVX.DelVarP3 Ptr3 -> NAME=VALUE
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.8 clc
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rts
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*--------------------------------------
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* ENV.FindEnvVar
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* In:
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* TXTPTR -> NAME
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* Out:
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* CC: Found
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* Y = NAME len
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* TXTPTR -> NAME
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* ZPPtr3 -> NAME=VALUE
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* CS: Not Found
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* TXTPTR -> NAME
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* ZPPtr3 -> PTR to Ending 0
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*--------------------------------------
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ENVX.FindEnvVar jsr ENVX.InitEnvP3 Store ENV
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.1 lda (ZPPtr3)
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beq .9 end of ENV
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ldy #$ff
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.2 iny
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jsr SHARED.TXTPTRgY
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beq .3
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jsr SHARED.IsIDValid
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bcs .3
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cmp (ZPPtr3),y
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beq .2
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bra .4
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.3 lda (ZPPtr3),y
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cmp #'='
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bne .4
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clc
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rts
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.4 jsr ENVX.NextEnvP3 Skip NAME=VALUE
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bra .1
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.9 sec
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rts
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*--------------------------------------
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ENVX.FindSIDVar >LDYAI ENVX.SIDVars
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>STYA ZPPtr3
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ldx #0
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.1 lda (ZPPtr3)
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beq .9
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ldy #$ff
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.2 iny
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jsr SHARED.TXTPTRgY
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beq .3
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jsr SHARED.IsIDValid
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bcs .3
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cmp (ZPPtr3),y
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beq .2
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bra .4
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.3 lda (ZPPtr3),y
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bne .4
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jmp (ENVX.SIDVarsJmp,x)
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.4 inx
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inx
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jsr ENVX.NextEnvP3
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bra .1
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.9 sec
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rts
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*--------------------------------------
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ENVX.SIDVars .AZ "LOGNAME"
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.AZ "GECOS"
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.AZ "HOME"
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.AZ "SHELL"
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.AZ "UID"
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.AZ "GID"
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.DA #0
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*--------------------------------------
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ENVX.SIDVarsJmp .DA ENVX.SIDVarsSTR
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.DA ENVX.SIDVarsSTR
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.DA ENVX.SIDVarsSTR
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.DA ENVX.SIDVarsSTR
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.DA ENVX.SIDVarsUID
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.DA ENVX.SIDVarsGID
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*--------------------------------------
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ENVX.SIDVarsSTR jsr ENVX.InitSIDP3
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lda ZPPtr3
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clc
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adc #S.SESSION.NAME
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sta ZPPtr3
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lda ZPPtr3+1
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adc /S.SESSION.NAME
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sta ZPPtr3+1
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.1 dex
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dex
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bmi .8
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ldy #$ff
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.2 iny
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lda (ZPPtr3),y
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bne .2
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jsr ENVX.NextEnvP3Y
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bra .1
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.8 >LDYA ZPPtr3
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clc
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rts
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*--------------------------------------
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ENVX.SIDVarsUID ldx #S.SESSION.UID
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.HS 2C
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ENVX.SIDVarsGID ldx #S.SESSION.GID
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jsr ENVX.InitSIDP3
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txa
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tay
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lda (ZPPtr3),y
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jsr MATH.A2STR10NP
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>LDYAI FOUTBuf
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clc
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rts
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*--------------------------------------
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* ENV.DelVarP3
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* In:
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* ZPPtr3 -> ENV.NAME to Discard
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*--------------------------------------
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ENVX.DelVarP3 >LDYA ZPPtr3 save actual Ptr
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>STYA ZPPtr4
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jsr ENVX.NextEnvP3 Skip NAME=VALUE
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.1 ldy #$ff
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.2 iny
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lda (ZPPtr3),y Move back CSTRs...
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sta (ZPPtr4),y
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bne .2
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tya
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beq .8 we moved back ending \0
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jsr ENVX.NextEnvP3Y
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jsr ENVX.NextEnvP4Y
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bra .1
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.8 rts
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*--------------------------------------
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ENVX.InitEnvP3 lda ENVX.hEnv
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bra ENVX.InitP3
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*--------------------------------------
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ENVX.InitSIDP3 lda ENVX.hSID
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ENVX.InitP3 jsr K.GetMemPtr
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>STYA ZPPtr3
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rts
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*--------------------------------------
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ENVX.NextEnvP3 jsr ENVX.GetP3LenY
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*--------------------------------------
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ENVX.NextEnvP3Y tya
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ENVX.NextEnvP3A 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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ENVX.GetP3LenY ldy #$ff
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.1 iny
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lda (ZPPtr3),y
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bne .1
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rts
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*--------------------------------------
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ENVX.NextEnvP4Y tya
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sec
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adc ZPPtr4
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sta ZPPtr4
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bcc .8
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inc ZPPtr4+1
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.8 rts
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*--------------------------------------
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MAN
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SAVE usr/src/sys/kernel.s.envx
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LOAD usr/src/sys/kernel.s
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ASM
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