mirror of
https://github.com/A2osX/A2osX.git
synced 2024-07-03 07:29:29 +00:00
433 lines
6.8 KiB
Plaintext
433 lines
6.8 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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ENVX.PutEnv ldy #$ff
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.1 iny
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lda (TXTPTR),y NAME=
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beq .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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bra K.SetEnv.I
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.9 lda #E.SYN
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sec
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rts
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*--------------------------------------
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ENVX.SetEnv jsr ENVX.UnsetEnv
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.1 jsr ENV.InitEnvP3 ZPPtr3 -> Env (SETREADAUX)
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lda #1
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sta ZPPtr4
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stz ZPPtr4+1 ZPPtr4 = ENVSIZE = 1
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.10 lda (ZPPtr3) End of ENV
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beq .15
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jsr ENV.GetP3LenY
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jsr ENV.NextEnvP3Y
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jsr ENV.NextEnvP4Y
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bra .10
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.15 .DO AUXENV=1
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sta CLRREADAUX
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.FIN
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ldy #$ff
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.16 iny
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lda (TXTPTR),y
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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 ENV.NextEnvP4Y ZPPtr4 = ENVSIZE + VAR
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ldy #$ff
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.19 iny
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lda (FORPNT),y
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bne .19
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jsr ENV.NextEnvP4Y ZPPtr4 = ENVSIZE + VALUE
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lda ZPPtr4
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beq .20
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inc ZPPtr4+1
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.20 ldy #S.PS.ENVPAGECNT
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lda (pPs),y
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cmp ZPPtr4+1
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bcs .22 env is large enough
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lda ZPPtr4+1
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jsr ENV.Dup.A
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bcs .9
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pha
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ldy #S.PS.hENV
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lda (pPs),y
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.DO AUXENV=1
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ldx #SYS.FreeStkObj
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jsr K.SYSCALL2.AUX
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.ELSE
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jsr K.Freemem
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.FIN
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pla
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ldy #S.PS.hENV
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sta (pPs),y
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txa
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dey S.PS.ENVPAGECNT
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sta (pPs),y
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bra .1 Start over
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.22 ldy #$ff
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.DO AUXENV=1
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sta SETWRITEAUX
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.FIN
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.23 iny
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lda (TXTPTR),y
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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 ENV.NextEnvP3Y
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ldy #$ff
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.25 iny
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lda (FORPNT),y
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sta (ZPPtr3),y
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bne .25
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iny
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sta (ZPPtr3),y don't forget array ending 0
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clc
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.9 .DO AUXENV=1
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sta CLRREADAUX
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sta CLRWRITEAUX
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.FIN
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rts
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*--------------------------------------
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ENVX.GetEnv lda TXTPTR
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beq K.GetEnvDump
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jsr ENV.FindVar
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bcs .9
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jsr ENV.NextEnvP3Y Skip NAME=
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lda FORPNT+1
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bne .3
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ldy #$ff
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.DO AUXENV=1
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sta SETREADAUX
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.FIN
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.1 iny
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lda (ZPPtr3),y
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bne .1
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.DO AUXENV=1
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sta CLRREADAUX
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.FIN
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iny
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bne .2
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inc
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.2 .DO AUXENV=1
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sta CLRREADAUX
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sta CLRWRITEAUX
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.FIN
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jsr K.getmem
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bcs .99
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>STYA FORPNT
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.3 .DO AUXENV=1
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sta SETREADAUX
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.FIN
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ldy #$ff
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.4 iny
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lda (ZPPtr3),y
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sta (FORPNT),y
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bne .4
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>LDYA FORPNT
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.DO AUXENV=1
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sta CLRREADAUX
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.FIN
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clc
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rts
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.9 >LDYAI 0
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* sec
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.99 rts
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K.GetEnvDump ldy #S.PS.ENVPAGECNT
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lda (pPs),y
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sta .1+1
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ldy #0
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jsr K.getmem
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bcs .9
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>STYA FORPNT
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sty .80+1
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sta .81+1
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stx .82+1
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jsr ENV.InitEnvP3 SETREADAUX
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.1 ldx #$ff SELF MODIFIED
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ldy #0
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.2 lda (ZPPtr3),y
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sta (FORPNT),y
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iny
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bne .2
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.80 ldy #$ff SELF MODIFIED
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.81 lda #$ff SELF MODIFIED
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.82 ldx #$ff SELF MODIFIED
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.DO AUXENV=1
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sta CLRREADAUX
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.FIN
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clc
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.9 rts
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*--------------------------------------
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ENVX.UnsetEnv jsr ENV.FindVar
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bcs . 8 not found, quit
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jsr ENV.DelVarP3 Ptr3 -> NAME=VALUE
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clc
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rts
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*--------------------------------------
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* ENV.FindVar
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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.FindVar
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.DO AUXENV=1
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sta SETREADAUX
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sta SETWRITEAUX
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.FIN
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jsr ENV.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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.DO AUXENV=1
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jsr SHARED.TXTPTR.GetY
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.ELSE
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lda (TXTPTR),y
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.FIN
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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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.DO AUXENV=1
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sta CLRREADAUX
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sta CLRWRITEAUX
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.FIN
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clc
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rts
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.4 jsr ENV.NextEnvP3 Skip NAME=VALUE
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bra .1
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.9 .DO AUXENV=1
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sta CLRREADAUX
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sta CLRWRITEAUX
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.FIN
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sec
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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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ENV.DelVarP3 .DO AUXENV=1
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sta SETREADAUX
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sta SETWRITEAUX
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.FIN
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>LDYA ZPPtr3 save actual Ptr
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>STYA ZPPtr4
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jsr ENV.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 ENV.NextEnvP3Y
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jsr ENV.NextEnvP4Y
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bra .1
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.8 .DO AUXENV=1
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sta CLRREADAUX
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sta CLRWRITEAUX
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.FIN
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rts
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*--------------------------------------
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ENV.InitEnvP3 .DO AUXENV=1
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sta CLRREADAUX
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.FIN
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ldy #S.PS.hENV
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lda (pPs),y
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.DO AUXENV=1
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sta SETREADAUX
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.FIN
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jsr K.GetMemPtr
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>STYA ZPPtr3 Store ENV
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rts
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*--------------------------------------
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ENV.NextEnvP3 jsr ENV.GetP3LenY
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*--------------------------------------
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ENV.NextEnvP3Y tya
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ENV.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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ENV.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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ENV.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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* ENV.Dup
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* In:
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* A = ENV hMem To Duplicate
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* Out:
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* A = hMem to new ENV
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* X = Page Count
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*--------------------------------------
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ENV.Dup ldy #S.PS.ENVPAGECNT
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lda (pPs),y
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ENV.Dup.A sta .8+1 Store target page Count
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ldy #S.PS.ENVPAGECNT get SOURCE page count
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lda (pPs),y
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sta .10+1
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ldy #S.PS.hENV
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lda (pPs),y
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.DO AUXENV=1
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sta SETREADAUX
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sta SETWRITEAUX
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.FIN
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jsr K.GetMemPtr
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>STYA .1+1
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ldy #0
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lda .8+1
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jsr K.GetMem
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bcs .9
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>STYA .2+1 Target Buffer
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phx save hMem
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jsr Mem.SetOwner Set Ownership
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ldy #0
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.10 ldx #$ff SELF MODIFIED
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.1 lda $ffff,y SELF MODIFIED
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.2 sta $ffff,y SELF MODIFIED
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iny
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bne .1
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inc .1+2
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inc .2+2
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dex
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bne .1
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.8 ldx #$ff SELF MODIFIED Target Page Count
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pla hMem
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clc
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.9 .DO AUXENV=1
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sta CLRREADAUX
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sta CLRWRITEAUX
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.FIN
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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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