mirror of https://github.com/A2osX/A2osX.git
386 lines
8.2 KiB
Plaintext
386 lines
8.2 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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*--------------------------------------
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* S.ExpandPStr
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* In:
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* PULLW = PSTR to String to Expand (PSTRING)
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* Out:
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* A = hMem to Expanded String (PSTRING)
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*--------------------------------------
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* S.ExpandPStrA
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* In:
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* A = hMem of String to Expand (PSTRING)
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* Out:
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* A = hMem to Expanded String (PSTRING)
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*--------------------------------------
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S.ExpandPStr >PULLW R.AX
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bra S.ExpandPStr2
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S.ExpandPStrA jsr S.GetMemPtrA
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>STYA R.AX
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S.ExpandPStr2 stz TmpBuffer256 init Expanded String len=0
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stz R.BL reset "in var"
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ldy #0
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.1 iny
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lda (R.AX),y
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cmp #'%'
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beq .10
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jmp .7
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.10 ldx R.BL in var?
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bne .2
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sty R.BL no, save start
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jmp .8 skip this char
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.2 sty R.BH yes, save end
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phy save Actual char position
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tya
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sec
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sbc R.BL compute len of %VAR% -1
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tay
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lda #0
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>PUSHYA
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>PUSHBI 0
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jsr S.GetMem create VARNAME
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phx save hMem for discard
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>STYA R.CX
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lda R.BH
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sec
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sbc R.BL
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dec skip %
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sta (R.CX)
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ldy R.BL
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iny
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.3 inc R.CL
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bne .4
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inc R.CH
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.4 lda (R.AX),y Copy string between % to ENVNAME
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sta (R.CX)
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iny
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cpy R.BH
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bne .3
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pla
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pha Get back ENVNAME hMem
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>PUSHA
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ldy #S.PS.hENV
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lda (TSKMGR.TSKPTR),y
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>PUSHA
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jsr S.GetEnvVarH
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bcs .5
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pha save hMem of VALUE
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jsr S.GetMemPtrA
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>STYA R.DX
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ldy #0
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.41 iny
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lda (R.DX),y
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inc TmpBuffer256
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ldx TmpBuffer256
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sta TmpBuffer256,x
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tya
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cmp (R.DX)
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bne .41
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pla
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jsr S.FreeMemA discard VALUE hMem
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.5 pla
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jsr S.FreeMemA discard VARNAME hMem
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* ldy R.BL TODO:continue scanning from first % found
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stz R.BL reset "in var"
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ply
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bra .8
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.7 ldx R.BL in var?
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bne .8 yes, skip this char
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inc TmpBuffer256
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ldx TmpBuffer256
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sta TmpBuffer256,x
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.8 tya
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cmp (R.AX) last char?
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beq .81
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jmp .1
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.81 >PUSHWI TmpBuffer256
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jsr S.NewPStr
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rts
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*--------------------------------------
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* S.CreateEnv
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* in :
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* out :
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* A = hMem to new env
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*--------------------------------------
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S.CreateEnv >PUSHWI K.ENV.SIZE get a buffer for ENV
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>PUSHBI 0
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jsr S.GetMem create it...
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bcs .9
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>STYA ZPQuickPtr1
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lda #0
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sta (ZPQuickPtr1)
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txa
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clc
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.9 rts
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*--------------------------------------
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* S.DupEnvA2
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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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*--------------------------------------
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S.DupEnvA pha
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr1
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pla
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jsr S.GetMemLenA
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>PUSHYA
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>PUSHBI 0
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jsr S.GetMem
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bcs .9
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>STYA ZPQuickPtr2
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phx
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.1 lda (ZPQuickPtr1)
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sta (ZPQuickPtr2)
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beq .8
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inc ZPQuickPtr1
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bne .2
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inc ZPQuickPtr1+1
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.2 inc ZPQuickPtr2
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bne .1
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inc ZPQuickPtr2+1
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bra .1
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.8 pla
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clc
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.9 rts
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*--------------------------------------
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* S.GetEnvVarH
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* In:
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* PULLB = hENV
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* PULLB = hMem to NAME (PSTRING)
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*--------------------------------------
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* S.GetEnvVarP
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* In:
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* PULLB = hENV
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* PULLW = PTR to NAME (PSTRING)
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* Out:
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* A = hMem to VALUE (PSTRING) 0,"" if not exist
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*--------------------------------------
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S.GetEnvVarH jsr S.SelectEnvH
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bra S.GetEnvVar
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S.GetEnvVarP jsr S.SelectEnvP
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S.GetEnvVar bcc .1
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>LDYAI 1 not found
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>PUSHYA create "" PSTR
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>PUSHBI 0
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jsr S.GetMem create a new PSTR
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bcs .99
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>STYA ZPQuickPtr3
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lda #0
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sta (ZPQuickPtr3) set len of PSTR
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txa
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clc
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rts
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.1 lda (ZPQuickPtr1) get NAME=VALUE len
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sec
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sbc (ZPQuickPtr2) substract (NAME len)
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tay y=len("=VALUE")
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lda #0
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>PUSHYA
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>PUSHBI 0
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jsr S.GetMem create a new PSTR
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bcs .99
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>STYA ZPQuickPtr3
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phx save hMem
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lda (ZPQuickPtr1) get NAME=VALUE len
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clc
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sbc (ZPQuickPtr2) compute VALUE len
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sta (ZPQuickPtr3) set new PSTR Len
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tax x = chr to copy
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lda (ZPQuickPtr2) get name len
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inc add 1 to skip "="
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tay
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.2 iny
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inc ZPQuickPtr3
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bne .3
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inc ZPQuickPtr3+1
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.3 lda (ZPQuickPtr1),y
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sta (ZPQuickPtr3)
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dex
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bne .2
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pla get back PSTR hMem
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clc
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.99 rts
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*--------------------------------------
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* S.SetEnvVarH
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* In:
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* PULLB = hENV
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* PULLB = hMem To Name (PSTRING)
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* PULLB = hMem To Value (PSTRING)
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*--------------------------------------
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* S.SetEnvVarP
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* In:
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* PULLB = hENV
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* PULLW = PTR To Name (PSTRING)
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* PULLW = PTR To Value (PSTRING)
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* Out:
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*--------------------------------------
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S.SetEnvVarH jsr S.SelectEnvH
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php
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>PULLA
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr3 ZPQuickPtr3 = VALUE
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bra S.SetEnvVar
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S.SetEnvVarP jsr S.SelectEnvP
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php
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>PULLW ZPQuickPtr3 ZPQuickPtr3 = VALUE
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S.SetEnvVar plp
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bcs .3 Not Found,ZPQuickPtr1 -> End Of Env
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lda (ZPQuickPtr1) Found, Discard current NAME definition
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sec
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adc ZPQuickPtr1 add NAME=VALUE len+1 to ZPQuickPtr1
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sta ZPQuickPtr4
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lda #0
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adc ZPQuickPtr1+1 store it in ZPQuickPtr4
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sta ZPQuickPtr4+1
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.1 lda (ZPQuickPtr4)
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sta (ZPQuickPtr1)
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beq .3 until we move ending 0
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inc ZPQuickPtr1
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bne .2
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inc ZPQuickPtr1+1
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.2 inc ZPQuickPtr4
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bne .1
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inc ZPQuickPtr4+1
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bra .1
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.3 lda ZPQuickPtr1 Compute ENV UPPER LIMIT
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clc
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adc #K.ENV.SIZE
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sta ZPQuickPtr4
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lda ZPQuickPtr1+1
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adc /K.ENV.SIZE
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sta ZPQuickPtr4+1
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ldy ZPQuickPtr1+1
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lda ZPQuickPtr1 Compute New Env Upper limit in A,Y
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sec
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adc (ZPQuickPtr2) add NAME len +1(for len)
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bcc .4
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iny
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.4 sec
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adc (ZPQuickPtr3) add VALUE len +1(for "=")
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bcc .5
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iny
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.5 sec A,Y=new upper limit
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sbc ZPQuickPtr4 greater than hMem Upper limit ?
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bcc .51
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tya
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sbc ZPQuickPtr4+1
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bcs .99
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.51 lda (ZPQuickPtr2) make len = NAME+VALUE+1
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sec
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adc (ZPQuickPtr3)
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sta (ZPQuickPtr1)
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inc ZPQuickPtr1
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bne .6
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inc ZPQuickPtr1+1
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.6 ldy #0
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.7 iny
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lda (ZPQuickPtr2),y
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sta (ZPQuickPtr1)
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inc ZPQuickPtr1
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bne .8
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inc ZPQuickPtr1+1
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.8 tya
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cmp (ZPQuickPtr2)
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bne .7
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lda #'='
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sta (ZPQuickPtr1)
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inc ZPQuickPtr1
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bne .9
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inc ZPQuickPtr1+1
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.9 ldy #0
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.10 iny
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lda (ZPQuickPtr3),y
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sta (ZPQuickPtr1)
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inc ZPQuickPtr1
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bne .11
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inc ZPQuickPtr1+1
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.11 tya
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cmp (ZPQuickPtr3)
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bne .10
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lda #0
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sta (ZPQuickPtr1)
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clc
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rts
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.99 lda #SYSMGR.ERRENVF
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sec
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rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
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* S.SelectEnvH
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* In:
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* PULLB = hENV
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* PULLB = hMem to NAME (PSTRING)
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*--------------------------------------
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* S.SelectEnvP
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* In:
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* PULLB = hENV
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* PULLW = PTR to NAME (PSTRING)
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*--------------------------------------
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* Out:
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* CC: Found
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* ZPQuickPtr1 -> NAME=VALUE
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* ZPQuickPtr2 -> NAME
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* CS: Not Found
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* ZPQuickPtr1 -> PTR to Ending 0
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* ZPQuickPtr2 -> NAME
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*--------------------------------------
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S.SelectEnvH >PULLA get ENV
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr1 Store ENV
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>PULLA get NAME
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr2 Store VAR Name
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bra S.SelectEnv
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S.SelectEnvP >PULLA get ENV
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr1 Store ENV
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>PULLW ZPQuickPtr2 get NAME
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S.SelectEnv
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.1 lda (ZPQuickPtr1)
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beq .9
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ldy #0
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.2 iny
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lda (ZPQuickPtr1),y
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cmp #'=' End Of VAR Name ?
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beq .4
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.3 cmp (ZPQuickPtr2),y
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bne .7
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tya
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cmp (ZPQuickPtr2)
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bne .2
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iny
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lda (ZPQuickPtr1),y
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cmp #'=' End Of VAR Name ?
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bne .3
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.4 dey
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tya
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cmp (ZPQuickPtr2) Y = VAR Name Len ?
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beq .8 yes, found VAR
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.7 lda (ZPQuickPtr1) no, go to next NAME=VALUE
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sec
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adc ZPQuickPtr1
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sta ZPQuickPtr1
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bcc .1
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inc ZPQuickPtr1+1
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bra .1
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.8 clc
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rts
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.9 sec
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rts
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.ENV
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LOAD SYS/KERNEL.S
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ASM
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