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A2osX/BIN/SH.S.CMD.txt
Rémy GIBERT fe13be19e4 Kernel 0.93+
2019-08-15 14:48:58 +02:00

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NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
CMD.. lda (ZPArgVBufPtr)
beq .9
>LDYA ZPArgVBufPtr
jsr IO.Load
bcs CMD.SHIFTA.RTS
>LDYA ZPArgVBufPtr
jsr CORE.Load.YAX Exec . file
bcs CMD.SHIFTA.RTS
lda #$C0+C..
jmp CORE.StkPush
.9 jmp CMD.E.CSYN
*--------------------------------------
CMD.NOHUP lda #S.PS.F.NOHUP
tsb CORE.PSFlags
>LDYA ZPArgVBuf
jmp CORE.ExecExtCmd
*--------------------------------------
CMD.SHIFT lda #1
CMD.SHIFTA >SYSCALL ArgV
bcs .8
jsr RemoveStrFromArgV
.7 ldy #S.PS.ARGC
lda (pPS),y
dec
sta (pPS),y
.8 clc
CMD.SHIFTA.RTS rts
*--------------------------------------
CMD.PUSHD >LDA.G PUSHD.STACK
cmp #PUSHD.STACK+PUSHD.STACK.MAX
beq CMD.POPD.CSYN
ldy #S.PS.hCWD
lda (pPs),y
>SYSCALL GetMemPtr
>SYSCALL strdup
bcs CMD.POPD.CSYN
>INC.G PUSHD.STACK
tay
txa
sta (pData),y
lda (ZPArgVBufPtr)
bne CMD.CD.0
.8 clc
.9 rts
*--------------------------------------
CMD.POPD >LDA.G PUSHD.STACK
cmp #PUSHD.STACK
beq CMD.POPD.CSYN
tay
lda (pData),y
jsr CMD.SetCWDA
>DEC.G PUSHD.STACK
clc
CMD.POPD.RTS
rts
CMD.POPD.CSYN jmp CMD.E.CSYN
*--------------------------------------
CMD.PWD ldy #S.PS.hCWD
lda (pPs),y
>SYSCALL GetMemPtr
>SYSCALL puts
rts
*--------------------------------------
CMD... lda (ZPArgVBufPtr)
bne CMD.POPD.CSYN
>LDYA L.CMD
bra CMD.CD.YA
*--------------------------------------
CMD.CD lda (ZPArgVBufPtr)
beq CMD.CD.HOME
CMD.CD.0 >LDYA ZPArgVBufPtr
bra CMD.CD.YA
CMD.CD.HOME >LDYA L.HOME
CMD.CD.YA >SYSCALL realpath
bcs CMD.POPD.RTS
>STYA ZPPtr1
stx ZPTmpW Save hMem
ldy #1
lda (ZPPtr1),y
bne .12
txa
jmp CMD.SetCWDA we have '/'
.12 >PUSHEA.G StatBuf
>LDYA ZPPtr1
>SYSCALL STAT
bcs .19
.10 >LDA.G StatBuf+S.STAT.P.TYPE
cmp #S.FI.T.DIR
beq .11
lda #MLI.E.INVPATH
.19 pha
lda ZPTmpW
>SYSCALL freemem
pla
sec
rts
.11 jsr GetPtr1LenY
dey
lda (ZPPtr1),y
cmp #'/'
bne .14
lda ZPTmpW
jmp CMD.SetCWDA already ends with a /
.14 iny
iny
lda #0
>SYSCALL getmem
bcs .19
>STYA ZPPtr2
jsr StrCpyPtr1Ptr2
lda #'/'
sta (ZPPtr2),y
iny
lda #0
sta (ZPPtr2),y
phx
lda ZPTmpW
>SYSCALL freemem
pla
*--------------------------------------
CMD.SetCWDA pha
ldy #S.PS.hCWD
lda (pPs),y
>SYSCALL FreeMem
pla
ldy #S.PS.hCWD
sta (pPs),y
lda #0
* clc
rts
*--------------------------------------
CMD.Exec.CSYN lda #E.CSYN
sec
rts
*--------------------------------------
CMD.SET lda (ZPArgVBufPtr)
bne CMD.SET.1
* No arg, print all ENV
ldy #S.PS.hENV
lda (pPs),y
>SYSCALL GetMemPtr
>STYA ZPPTR1
.1 lda (ZPPTR1)
beq .8 Ending 0 ?
jsr GetPtr1LenY
tya
sec
adc ZPPTR1
sta ZPPTR2
lda #0
adc ZPPTR1+1
sta ZPPTR2+1
>PUSHW ZPPTR2 Push value
>PUSHW ZPPTR1 Push name
jsr CMD.SET.PRINT
bcs .9
ldy #$ff
.3 iny
lda (ZPPTR2),y
bne .3
tya
sec
adc ZPPTR2
sta ZPPTR1
lda #0
adc ZPPTR2+1
sta ZPPTR1+1
bra .1
.8 clc
.9 rts
*--------------------------------------
* SET +X VAR = VALUE1 op VALUE2 op VALUE3 ...
*--------------------------------------
CMD.SET.1
.1 jsr CMD.IsSwitch
bcs .6
cmp #'C'
bne .2
ldy #bSET.C
bra .5
.2 cmp #'X'
bne .3
ldy #bSET.X
bra .5
.3 cmp #'E'
bne .4
ldy #bSET.E
bra .5
.4 cmp #'F'
bne .99
jsr CORE.FUNCRESET
bra .50
.5 lda (pData),y
eor #$ff
sta (pData),y
.50 jsr CORE.ArgV.Next
bne .1
clc
rts
.6 >LDYA ZPArgVBufPtr
>STYA ZPVarNamePtr
jsr CORE.ArgV.Next
beq CMD.SET.GET
cmp #'='
bne .99
ldy #1
lda (ZPArgVBufPtr),y
bne .99
jsr CORE.ArgV.Next
beq CMD.SET.UNSET
cmp #'`'
beq CMD.SET.EXEC
jsr EXP.GET
bcs .9
>PUSHYA
>LDYA ZPVarNamePtr
>SYSCALL SetEnv
rts
.8 clc
.9 rts
.99 jmp CMD.E.CSYN
CMD.SET.UNSET >LDYA ZPVarNamePtr
>SYSCALL UnsetEnv
rts
CMD.SET.GET >LDYA ZPVarNamePtr
>SYSCALL GetEnv
bcc .1
clc
rts
.1 >PUSHYA push value
>LDYA ZPVarNamePtr
>PUSHYA push name
*--------------------------------------
CMD.SET.PRINT >PUSHBI 4
>LDYA L.MSG.PRINTENV
>SYSCALL printf
rts
*--------------------------------------
CMD.SET.EXEC jsr CORE.ArgV.NextChar skip "`"
jsr IO.Pipe.Out
bcs .9
>PUSHBI S.PS.F.CLOSEONX
>LDYA ZPArgVBufPtr
>SYSCALL execl
bcs .9
jsr IO.Pipe.In
bcs .9
lda #255
>STA.G READ.N
>STA.G bREAD.S
jmp CMD.READ.VAR
.9 rts
*--------------------------------------
CMD.DATE sec
.HS 90 BCC
CMD.TIME clc
php
>LEA.G TimeBuf
>SYSCALL Time
>PUSHEA.G TimeBuf
plp
bcc .1
>PUSHW L.FMT.DATE
bra .2
.1 >PUSHW L.FMT.TIME
.2 >LEA.G StatBuf
>SYSCALL StrFTime
>LEA.G StatBuf
>SYSCALL puts
rts
*--------------------------------------
CMD.ECHO stz ZPPtr1 echo -N
stz ZPPtr1+1 Token Cnt
lda (ZPArgVBufPtr)
beq .7
.1 jsr CMD.IsSwitch
bcs .2
cmp #'N'
bne CMD.ECHO.CSYN
lda #$ff
eor ZPPtr1
sta ZPPtr1
bra .4
.2 lda ZPPtr1+1
beq .3
lda #C.SPACE
>SYSCALL putchar
.3 >PUSHBI 0
>LDYA ZPArgVBufPtr
>SYSCALL printf
bcs .9
inc ZPPtr1+1
.4 jsr CORE.ArgV.Next
bne .1
.7 bit ZPPtr1
bmi .8
>PUSHBI 0
>LDYA L.MSG.ECHOCRLF
>SYSCALL printf
.9 rts
.8 clc
rts
CMD.ECHO.CSYN lda #E.CSYN
sec
rts
*--------------------------------------
CMD.GETKEY lda (ZPArgVBufPtr)
beq CMD.ECHO.CSYN
ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL feof
bcs .9
tay
beq .1
.10 lda #'0'
>STA.G M32.BUF
iny
lda #0
sta (pData),y
bra .8
.1 >SYSCALL getchar
bcs .9
cmp #'['
bne .4
>SYSCALL getchar
bcs .9
ldx #EscChars.Cnt-1
.2 cmp EscChars,x
beq .3
dex
bpl .2
bra .10
.3 lda EscChars.Remap,x
.4 >PUSHA
>PUSHBI 1
>PUSHW L.FMT.GETKEY
>LEA.G M32.BUF
>SYSCALL sprintf
bcs .9
.8 >PUSHEA.G M32.BUF
>LDYA ZPArgVBufPtr
>SYSCALL SetEnv
.9
CMD.GETKEY.RTS rts
*--------------------------------------
CMD.READ lda (ZPArgVBufPtr)
beq .9
stz ZPVarNamePtr+1
>STZ.G bREAD.S
dec
>STA.G READ.N
.1 jsr CMD.IsSwitch
bcs .4
cmp #'S'
bne .2
lda #$ff
>STA.G bREAD.S
bra .5
.2 cmp #'P'
bne .3
jsr CORE.ArgV.Next
beq .9
>PUSHBI 0
>LDYA ZPArgVBufPtr
>SYSCALL printf
bcs CMD.GETKEY.RTS
bra .5
.9 jmp CMD.E.CSYN
.3 cmp #'N'
bne .9
jsr CORE.ArgV.Next
beq .9
>LDYA ZPArgVBufPtr
>SYSCALL AToL
bcs CMD.GETKEY.RTS
>PULLA
>STA.G READ.N
inc pStack
inc pStack
inc pStack
bra .5
.4 >LDYA ZPArgVBufPtr
>STYA ZPVarNamePtr
.5 jsr CORE.ArgV.Next
bne .1
lda ZPVarNamePtr+1
beq .9
CMD.READ.VAR jsr CL.Reset
.1 >SYSCALL GetChar
bcs .9
jsr CL.CHARIN
>LDA.G CL.bReady
bpl .1
lda (ZPCLBuf)
bne .2
>LDYA ZPVarNamePtr
>SYSCALL UnSetEnv
rts
.2 >PUSHW ZPCLBuf
>LDYA ZPVarNamePtr
>SYSCALL SetEnv
.9 rts
*--------------------------------------
CMD.SLEEP lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
>LDYA ZPArgVBufPtr
>SYSCALL AToL
bcs CMD.REN.CSYN
>PULLL.G Sleep
clc
rts
*--------------------------------------
CMD.PAUSE lda #$FF
>STA.G bPause
clc
rts
*--------------------------------------
CMD.MD lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
>LDYA ZPArgVBufPtr
>SYSCALL MKDir
rts
*--------------------------------------
CMD.REN lda (ZPArgVBufPtr)
beq .9
>PUSHW ZPArgVBufPtr
jsr CORE.ArgV.Next
lda (ZPArgVBufPtr)
beq .90
>LDYA ZPArgVBufPtr
>SYSCALL Rename
rts
.90 >PULLYA
.9
CMD.REN.CSYN jmp CMD.E.CSYN
*--------------------------------------
CMD.RD lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
>PUSHEA.G StatBuf
>LDYA ZPArgVBufPtr
>SYSCALL STAT
bcs .99
>LDA.G StatBuf+S.STAT.P.TYPE
cmp #S.FI.T.DIR
bne CMD.REN.CSYN
>LDYA ZPArgVBufPtr
>SYSCALL Remove
.99 rts
*--------------------------------------
CMD.FUNCTION lda (ZPArgVBufPtr)
beq .9
jsr CORE.StkGetCtx
bcc .9 No context allowed
>LDA.G hFuncList
bne .1
>SYSCALL SListNew
bcs .99
>STA.G hFuncList
.1 >PUSHW ZPArgVBufPtr
>LDA.G hFuncList
>SYSCALL SListNewKey
bcs .99
>STYA ZPTmpW Save KeyID
jsr CORE.ArgV.Next nothing after function name
beq .10
cmp #'{'
bne .9
ldy #1
lda (ZPArgVBufPtr),y
beq .11
.9 jmp CMD.E.CSYN
.99 rts
*--------------------------------------
.10 jsr CORE.GetCharNB
bcs .9
cmp #'{'
bne .9
jsr CORE.GetNextCharNB
bcs .9
.11 stz M32.ACC '{' counter
>LDYA ZPInputBufPtr
>STYA ZPPtr1
ldy #0
ldx #0
lda (ZPInputBufPtr)
beq .6
.12 cmp #'{'
bne .13
inc M32.ACC
bra .14
.13 cmp #'}'
bne .14
dec M32.ACC
bmi .7
.14 iny
bne .15
inx
.15 jsr CORE.GetNextChar
bne .12
.6 lda M32.ACC
bpl .9
.7 jsr CORE.GetNextChar skip ending '}'
txa
>PUSHYA DataLen
>PUSHW ZPPtr1 DataPtr
>PUSHW ZPTmpW KeyID
>LDA.G hFuncList
>SYSCALL SListAddData
rts
*--------------------------------------
CMD.CALL.UNDEF lda #E.FUNDEF
sec
CMD.CALL.RTS rts
*--------------------------------------
CMD.CALL >LDA.G hFuncList
beq CMD.CALL.UNDEF
>PUSHW ZPArgVBufPtr
>LDA.G hFuncList
>SYSCALL SListLookup
bcs CMD.CALL.UNDEF
>STYA ZPTmpW KeyID
>PUSHWZ From Start
>PUSHWI $ffff all
>PUSHWZ Allocate..
>PUSHW ZPTmpW KeyID
>LDA.G hFuncList
>SYSCALL SListGetData
bcs CMD.CALL.RTS
>LDYA ZPArgVBufPtr FUNC PARAM1 PARAM2...
jsr CORE.Load.YAX Exec FUNC
bcs CMD.CALL.RTS
lda #$C0+C.CALL
jmp CORE.StkPush
*--------------------------------------
CMD.EXIT lda (ZPArgVBufPtr)
beq .1 no arg, exit 0
>LDYA ZPArgVBufPtr
jsr EXP.GET
bcs .9
>SYSCALL AToL
bcs .99
>PULLA
inc pStack
inc pStack
inc pStack
.1 sta M32.ACC
.2 jsr CORE.StkPull Pull everything until CALL . CL...
bcs .9
cmp #$C0+C.. in CALL . CL context ?
beq CMD.EXIT.FILE
cmp #$C0+C.CALL
beq CMD.EXIT.FILE
cmp #$C0+C.CLEXEC
beq CMD.EXIT.SH
jsr CMD.EXIT.POP
bcc .2
.9 rts
.99 lda #E.ESYN
* sec
rts
*--------------------------------------
CMD.EXIT.SH jsr CMD.EXIT.FILE
lda #$ff
>STA.G bExitOnEOF
clc
rts
*--------------------------------------
CMD.EXIT.FILE jsr CORE.StkPull
>SYSCALL freemem Code buffer
ldy #S.PS.hARGV
lda (pPS),y
>SYSCALL freemem ArgV buffer
jsr CORE.StkPull
ldy #S.PS.hARGV
sta (pPS),y
jsr CORE.StkPull
ldy #S.PS.ARGC
sta (pPS),y
jsr CORE.StkPullInputBufPtr
jsr CORE.StkPull
sta ZPInputBuf+1
jsr CORE.StkPull
sta ZPInputBuf
lda M32.ACC
CMD.EXIT.CLCRTS clc
CMD.EXIT.RTS rts
*--------------------------------------
CMD.EXIT.POP and #$3F
cmp #C.IF
beq CMD.EXIT.CLCRTS IF : Nothing
ldx #2
cmp #C.WHILE WHILE : One Ptr = 2 bytes
beq CMD.EXIT.POPX
cmp #C.SWITCH SWITCH : hValue
beq .2
ldx #1
cmp #C.CASE CASE : C.CASE + hValue
beq .1
cmp #C.DEFAULT DEFAULT : C.DEFAULT + hValue
bne .9
.1 jsr CMD.EXIT.POPX
.2 jsr CORE.StkPull
>SYSCALL freemem
rts
.9 lda #E.STACKERROR
sec
rts
*--------------------------------------
CMD.EXIT.POPX lda (pData)
.1 dec
dex
bne .1
sta (pData)
clc
rts
*--------------------------------------
CMD.BREAK jsr CORE.StkGetCtx Get context in CORE.TestResult
bcs .9
tax
and #$3F
cmp #C.CASE
bne .9
txa
bpl .8
jsr CORE.StkPull remove C.CASE
jsr CORE.StkGet
and #$7F
sta (pDATA),y
.8 clc
rts
.9 jmp CMD.E.CSYN
*--------------------------------------
* stack-1 hVALUE
* stack SWITCH TOKEN
*--------------------------------------
CMD.SWITCH jsr CORE.StkGetCtx
lda #2
jsr CORE.StkCheck
bcs .9
jsr EXP.GET
bcs .9
>SYSCALL strdup
bcs .9
txa
jsr CORE.StkPush Push EXP hVALUE
lda CORE.TestResult
beq .1
ora #$80
.1 ora #C.SWITCH
jmp CORE.StkPush
.9 rts
*--------------------------------------
CMD.CASE jsr CORE.StkGetCtx Get context in CORE.TestResult
bcs .9
tax
and #$3F
cmp #C.SWITCH
beq .1
cmp #C.CASE
bne .9
txa previous case was true ?
bpl .10
jsr EXP.GET skip expression
bcs .9
rts keep existing context
.10 jsr CORE.StkPull remove previous C.CASE
bra CMD.CASE
.1 jsr EXP.GET
bcs .9
>PUSHYA
lda (pDATA)
tay
dey get hVALUE
lda (pDATA),y
>SYSCALL GetMemPtr
>SYSCALL strcmp
ror CS if !=
and #$80
eor #$80
ora CORE.TestResult
ora #C.CASE
jmp CORE.StkPush
.9
CMD.E.CSYN lda #E.CSYN
sec
rts
*--------------------------------------
CMD.DEFAULT jsr CORE.StkGetCtx Get context in CORE.TestResult
bcs CMD.E.CSYN
and #$3F
cmp #C.SWITCH
beq .1
cmp #C.CASE
bne CMD.E.CSYN
jsr CORE.StkPull remove C.CASE
.1 jsr CORE.StkGet
and #$C0
ora #C.DEFAULT
jmp CORE.StkPush
*--------------------------------------
CMD.END jsr CORE.StkGetCtx Get context in CORE.TestResult
bcs CMD.E.CSYN
and #$3F
cmp #C.SWITCH
beq .3
cmp #C.CASE
beq .2
cmp #C.DEFAULT
bne CMD.E.CSYN
.2 jsr CORE.StkPull remove C.CASE or C.DEFAULT
.3 jsr CORE.StkPull remove C.SWITCH
jsr CORE.StkPull get hVALUE
>SYSCALL freemem
rts
*--------------------------------------
CMD.FOR jsr CORE.StkGetCtx
lda (ZPArgVBufPtr)
beq CMD.E.CSYN
>LDYA ZPArgVBufPtr
>STYA ZPVarNamePtr
jsr CORE.ArgV.Next
beq CMD.E.CSYN
>PUSHW ZPArgVBufPtr
>LDYA L.IN
>SYSCALL StrCaseCmp
bcs CMD.E.CSYN
jsr CORE.ArgV.Next
beq CMD.E.CSYN
lda #8 Make sure 8 bytes free on stack
jsr CORE.StkCheck
bcs .9
>LDYA ZPInputBufPtr
jsr CORE.StkPushYA Push CmdPtr AFTER FOR
lda (ZPArgVBufPtr)
cmp #'('
beq CMD.FOR.FILE
cmp #'`'
bne CMD.FOR.LIST
jmp CMD.FOR.EXEC
.9 rts
*--------------------------------------
CMD.FOR.LIST >LDYA ZPArgVBufPtr
>SYSCALL strdup
bcs FOR.FILE.9
jsr CORE.StkPushYAX Push listPtr,hList
>LDYA ZPVarNamePtr
>SYSCALL strdup
bcs FOR.FILE.9
txa
jsr CORE.StkPush Push hVARNAME
lda #C.FOR.LIST
jsr CORE.StkPush
lda #C.FOR
jsr CORE.StkPush
jsr CMD.NEXT.LIST.1
bcs FOR.FILE.9
jmp CMD.FOR.LOOP
*--------------------------------------
CMD.FOR.FILE jsr CORE.ArgV.NextChar skip "("
>LDYA ZPArgVBufPtr
ldx #O.RDONLY+O.TEXT
jsr IO.FOpenYAX
bcs FOR.FILE.9
jsr CORE.StkPush push hFILE
>LDYA ZPVarNamePtr
>SYSCALL strdup
bcs FOR.FILE.9
txa
jsr CORE.StkPush Push hVARNAME
lda #C.FOR.FILE
jsr CORE.StkPush
lda #C.FOR
jsr CORE.StkPush
jsr CMD.NEXT.LINE
bcs FOR.FILE.9
bra CMD.FOR.LOOP
FOR.FILE.9 rts
*--------------------------------------
CMD.FOR.EXEC jsr CORE.ArgV.NextChar skip "`"
jsr IO.Pipe.Out
bcs FOR.FILE.9
>PUSHBI S.PS.F.CLOSEONX
>LDYA ZPArgVBufPtr
>SYSCALL execl
bcs FOR.FILE.9
jsr IO.Pipe.In
bcs FOR.FILE.9
jsr CORE.StkPush push hPIPE
>LDYA ZPVarNamePtr
>SYSCALL strdup
bcs FOR.FILE.9
txa
jsr CORE.StkPush Push hVARNAME
lda #C.FOR.EXEC
jsr CORE.StkPush
lda #C.FOR
jsr CORE.StkPush
jsr CMD.NEXT.LINE
bcs FOR.FILE.9
CMD.FOR.LOOP ora CORE.TestResult
ora #C.FOR Push FOR
pha
lda (pData)
tay
pla
sta (pData),y
rts
*--------------------------------------
CMD.NEXT jsr CORE.StkGet Y = StkPtr
bcs .9
and #$3F
cmp #C.FOR
bne .9
dey
lda (pData),y
tax
iny
jmp (J.NEXT,x)
.9 lda #E.NOFOR
sec
rts
*--------------------------------------
* stack-6 CmdPtr
* stack-4 ListPtr
* stack-3 hLIST
* stack-2 hVARNAME
* stack-1 FOR SUB TOKEN
* stack FOR TOKEN
*--------------------------------------
CMD.NEXT.LIST lda (pData),y Y = StkPtr
bpl .1
jsr CMD.NEXT.LIST.1
bcs .9
bpl .1
lda (pData)
sec
sbc #6
tay
lda (pData),y
sta ZPInputBufPtr
dey
lda (pData),y
sta ZPInputBufPtr+1
clc
rts
.1 lda (pData)
tay
sec
sbc #8
sta (pData)
dey
dey
lda (pData),y hVARNAME
pha
dey
lda (pData),y hLIST
>SYSCALL freemem
pla
>SYSCALL freemem
clc
.9 rts
*--------------------------------------
CMD.NEXT.LIST.1 lda (pData)
dec skip FOR
dec skip SUB TOKEN
tay
lda (pData),y
phy
>SYSCALL GetMemPtr hVARNAME
>STYA ZPVarNamePtr
ply
dey skip hLIST
dey
lda (pData),y
sta ZPPtr1
dey
lda (pData),y
sta ZPPtr1+1
ldy #0
.10 jsr GetPtr1Next
beq .3
cmp #C.SPACE
beq .10
sta (ZPCLBuf),y
iny
.1 jsr GetPtr1Next
beq .3
cmp #C.SPACE
beq .3
sta (ZPCLBuf),y
iny
bra .1
.3 lda #0
sta (ZPCLBuf),y
tya
beq .8
>PUSHW ZPCLBuf
>LDYA ZPVarNamePtr
>SYSCALL SetEnv
bcs .9
lda (pData)
sec
sbc #4
tay
lda ZPPtr1
sta (pData),y
dey
lda ZPPtr1+1
sta (pData),y
lda #$80
clc
rts
.8 >LDYA ZPVarNamePtr
>SYSCALL UnSetEnv
bcs .9
lda #0
* clc
.9 rts
*--------------------------------------
* stack-4 CmdPtr
* stack-3 hFILE
* stack-2 hVARNAME
* stack-1 FOR SUB TOKEN
* stack FOR TOKEN
*--------------------------------------
CMD.NEXT.FILE
*--------------------------------------
* stack-4 CmdPtr
* stack-3 hPIPE
* stack-2 hVARNAME
* stack-1 FOR SUB TOKEN
* stack FOR TOKEN
*--------------------------------------
CMD.NEXT.EXEC lda (pData),y Y = StkPtr
bpl .1
jsr CMD.NEXT.LINE
bcs .9
bpl .1 end of file/pipe
lda (pData)
sec
sbc #4
tay
lda (pData),y
sta ZPInputBufPtr
dey
lda (pData),y
sta ZPInputBufPtr+1
clc
rts
.1 lda (pData)
tay
sec
sbc #6
sta (pData)
dey
dey
lda (pData),y hVARNAME
pha
dey
lda (pData),y hFILE/hPIPE
>SYSCALL fclose
pla
>SYSCALL freemem
* clc
.9 rts
*--------------------------------------
CMD.NEXT.LINE lda (pData)
dec skip FOR
dec skip SUB TOKEN
tay
lda (pData),y
phy
>SYSCALL GetMemPtr hVARNAME
>STYA ZPVarNamePtr
>PUSHWI 256
>PUSHW ZPCLBuf
ply
dey
lda (pData),y hFILE/hPIPE
>SYSCALL fgets
bcs .8
>PUSHW ZPCLBuf
>LDYA ZPVarNamePtr
>SYSCALL SetEnv
bcs .9
lda #$80
* clc
rts
.8 >LDYA ZPVarNamePtr
>SYSCALL UnSetEnv
bcs .9
lda #0
* clc
.9 rts
*--------------------------------------
CMD.WHILE
CMD.IF jsr CORE.StkGetCtx
bit #$40 Parent is true ?
beq .3
jsr EXP.TEST
bcs .9
.3 lda CORE.IntCmd
cmp #C.WHILE
bne .8
>LDYA ZPInputCmdPtr
jsr CORE.StkPushYA Push BEFORE WHILE/IF
bcs .9
.8 lda CORE.TestResult
ora CORE.IntCmd
jsr CORE.StkPush
clc
.9 rts
*--------------------------------------
CMD.LOOP jsr CORE.StkPull
bcs .9
tax
and #$3F
cmp #C.WHILE
bne .9
txa
bmi .8
lda (pData)
dec
dec Discard loop Ptr
sta (pData)
clc
rts
.8 jmp CORE.StkPullInputBufPtr
.9 lda #E.NOWHILE
sec
rts
*--------------------------------------
CMD.ELSE jsr CORE.StkGet
bcs .9
bit #$40 parent is true ?
beq .8 no, skip
tax
and #$3F
cmp #C.IF
bne .9
txa
eor #$80 toggle and store at stack ptr
sta (pData),y
.8 clc
rts
.9 lda #E.NOIF
sec
rts
*--------------------------------------
CMD.FI jsr CORE.StkPull
bcs .9
and #$3F
cmp #C.IF
bne .9
clc
rts
.9 lda #E.NOIF
sec
rts
*--------------------------------------
CMD.IsSwitch lda (ZPArgVBufPtr)
cmp #'-'
bne .9
ldy #1
lda (ZPArgVBufPtr),y
beq .9
cmp #'0' is -0 ... -9 ?
bcc .9
cmp #'9'+1
bcc .9
.1 tax
iny
lda (ZPArgVBufPtr),y
bne .9
txa
jmp ToUpperCase
.9 sec
rts
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SH.S.CMD
LOAD USR/SRC/BIN/SH.S
ASM
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