A2osX/BIN/SH.S.CMD.txt

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 (ZPArgVBufPtr)
				beq CMD.SHIFT.1

				jsr EXP.GetInt8Exp
				bcs CMD.SHIFTA.RTS
				.HS B0					BCS
				
CMD.SHIFT.1		inc

CMD.SHIFTA		>SYSCALL ArgV
				bcs .8

				jsr RemoveStrFromArgV

				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...			lda (ZPArgVBufPtr)
				bne CMD.POPD.CSYN

				>LDYA L.CD..
				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				>LDYA ZPPtr1
				jsr IO.StatYA
				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
				bra CMD.SetCWDA			already ends with a /

.14				iny						back to /
				iny						at \0
				iny						add+1 for adding \0 after adding '/'
				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
				bcc CMD.SET.YA

				rts

.8				clc
.9				rts
.99				jmp CMD.E.CSYN

CMD.SET.YA		>PUSHYA
				>LDYA ZPVarNamePtr
				>SYSCALL SetEnv
				rts
				
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		>LEA.G TimeBuf
				>SYSCALL Time

				>PUSHEA.G TimeBuf
				
				lda (ZPArgVBufPtr)
				beq .1
				
				>LDYA ZPArgVBufPtr
				bra .2
.1				>LDYA L.FMT.DATE

.2				>PUSHYA
				
				>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

CMD.ECHO.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.ECHO.RTS
				bra .5

.9				jmp CMD.E.CSYN

.3				cmp #'N'
				bne .9

				jsr CORE.ArgV.Next
				beq .9

				jsr EXP.GetInt8Arg
				bcs CMD.ECHO.RTS

				>STA.G READ.N
				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 CMD.SLEEP.RTS

				jsr CL.CHARIN

				>LDA.G CL.bReady
				bpl .1

				lda (ZPCLBuf)
				bne .2
				
				jmp CMD.SET.UNSET
				
.2				>LDYA ZPCLBuf
				jmp CMD.SET.YA
*--------------------------------------
CMD.SLEEP		lda (ZPArgVBufPtr)
				beq CMD.REN.CSYN

				jsr EXP.GetInt32Arg
				bcs CMD.SLEEP.RTS

				>PULLL.G Sleep

CMD.SLEEP.RTS	rts
*--------------------------------------
CMD.PAUSE		lda #$FF
				>STA.G bPause
				clc
				rts
*--------------------------------------
CMD.MD			lda (ZPArgVBufPtr)
				beq CMD.REN.CSYN

				>LDYA ZPArgVBufPtr
				>SYSCALL MKDir
				rts
*--------------------------------------
CMD.PWD			ldy #S.PS.hCWD
				lda (pPs),y
				>SYSCALL GetMemPtr
				>SYSCALL puts
				rts
*--------------------------------------
CMD.RD			lda (ZPArgVBufPtr)
				beq CMD.REN.CSYN
				
				>LDYA ZPArgVBufPtr
				jsr IO.StatYA
				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.REN.CSYN	jmp CMD.E.CSYN

CMD.REN			lda (ZPArgVBufPtr)
				beq CMD.REN.CSYN

				jsr CORE.ArgV.Next
				lda (ZPArgVBufPtr)
				beq CMD.REN.CSYN

				>LDYA ZPArgVBufPrev		old path
				>SYSCALL realpath
				bcs CMD.REN.CSYN
				
				>STYA ZPPtr1
				stx ZPTmpW
				
				ldy #$ff
				
.1				iny
				lda (ZPPtr1),y
				beq .2
				cmp #'/'
				bne .1
				
				tya
				tax
				bra .1
				
.2				ldy #$ff

.3				iny
				inx
				lda (ZPArgVBufPtr),y
				bne .3
				
				txa
				tay
				lda #0
				
				>SYSCALL getmem
				bcs .90
				>STYA ZPPtr2
				stx ZPTmpW+1
				
				ldy #$ff
				
.4				iny
				lda (ZPPtr1),y		
				beq .5
				sta (ZPPtr2),y
				cmp #'/'
				bne .4
				
				tya
				inc
				tax
				bra .4
				
.5				txa
				tay
				lda #0
				sta (ZPPtr2),y

				>PUSHW ZPArgVBufPtr
				>LDYA ZPPtr2
				>SYSCALL strcat
				
				lda ZPTmpW
				>SYSCALL freemem
				lda ZPTmpW+1
				sta ZPTmpW
				
				>PUSHW ZPPtr2
				>LDYA ZPPtr1
				>SYSCALL Rename

.90				php
				pha
				lda ZPTmpW
				>SYSCALL freemem
				pla
				plp
				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		jsr CMD.CALL.GETFUNC
				bcs CMD.CALL.RTS

				>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.CALL.GETFUNC				
				>LDA.G hFuncList
				beq CMD.CALL.UNDEF

				>PUSHW ZPArgVBufPtr
				>LDA.G hFuncList
				>SYSCALL SListLookup
				bcc CMD.CALL.RTS
				
CMD.CALL.UNDEF	lda #E.FUNDEF
				sec
CMD.CALL.RTS	rts
*--------------------------------------
CMD.EXIT		lda (ZPArgVBufPtr)
				beq .1					no arg, exit 0

				jsr EXP.GetInt8Exp
				bcs .9
				
.1				ldy #S.PS.RC
				sta (pPs),y

.2				jsr CORE.StkPull		Pull everything until CALL . CL...
				bcs .9

				cmp #$C0+C..			in CALL, "." or CL context ?
				beq CMD.EXIT.FILE

				cmp #$C0+C.CALL
				beq CMD.EXIT.FILE

				cmp #$C0+C.CLEXEC
				beq .8
				
				jsr CORE.StkPopCtxA
				bcc .2
				rts

.8				jsr CMD.EXIT.FILE
				lda #$ff
				>STA.G bExitOnEOF
				clc
.9				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

				ldy #S.PS.RC
				lda (pPs),y
				
				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 .8

				cmp #C.CASE
				beq .8

				cmp #C.DEFAULT
				bne CMD.E.CSYN

.8				jmp CORE.StkPopCtx
*--------------------------------------
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
				jsr CORE.PushVarName	Push hVARNAME
				bcs FOR.FILE.9
				lda #C.FOR.LIST
				jsr CORE.StkPush
				lda #C.FOR
				jsr CORE.StkPush

				jsr CMD.NEXT.LIST.TOKEN
				bcc CMD.FOR.LOOP
				rts
*--------------------------------------
CMD.FOR.FILE	jsr CORE.ArgV.NextChar	skip "("

				>LDYA ZPArgVBufPtr
				ldx	#O.RDONLY+O.TEXT
				jsr IO.FOpenYAX
				bcc CMD.FOR.PUSH
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.Pop.Out			Restore OUT (NO close)

				jsr IO.Pipe.OpenR
				
				bcs FOR.FILE.9

CMD.FOR.PUSH	jsr CORE.StkPush		push hPIPE for read
				jsr CORE.PushVarName	Push hVARNAME
				bcs FOR.FILE.9

				lda #C.FOR.FILEEXEC
				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

*				clc
				rts
*--------------------------------------
CMD.NEXT		jsr CORE.StkGet			Y = StkPtr
				bcs .9

				and #$3F
				cmp #C.FOR
				bne .9
				dey
				lda (pData),y
				iny
				tax
				beq CMD.NEXT.LIST
				jmp CMD.NEXT.FILEEXEC

.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.TOKEN
				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.TOKEN
				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

				>LDYA ZPCLBuf
				jsr CMD.SET.YA
				bcs .9

				lda (pData)
				sec
				sbc #4
				tay
				lda ZPPtr1
				sta (pData),y
				dey
				lda ZPPtr1+1
				sta (pData),y

				lda #$80
				clc
.9				rts

.8				jmp CMD.NEXT.END
*--------------------------------------
* stack-4		CmdPtr
* stack-3		hFILE/hPIPE
* stack-2       hVARNAME
* stack-1		FOR SUB TOKEN		
* stack			FOR TOKEN
*--------------------------------------
CMD.NEXT.FILEEXEC
				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 CMD.NEXT.END
				
				>LDYA ZPCLBuf
				jsr CMD.SET.YA
				bcs CMD.NEXT.LINE.RTS

				lda #$80
*				clc
				rts
				
CMD.NEXT.END	jsr CMD.SET.UNSET
				bcs .9
				lda #0
				clc						keep this CLC for CMD.NEXT.LIST.TOKEN
.9
CMD.NEXT.LINE.RTS
				rts
*--------------------------------------
CMD.WHILE	
CMD.IF			jsr CORE.StkGetCtx

				bit #$40				Parent is true ?
				beq .3

				jsr EXP.TEST
				bcs CMD.NEXT.LINE.RTS

.3				lda CORE.IntCmd
				cmp #C.WHILE
				bne .8

				lda #3
				jsr CORE.StkCheck
				bcs CMD.NEXT.LINE.RTS

				>LDYA ZPInputCmdPtr
				jsr CORE.StkPushYA		Push BEFORE WHILE/IF

.8				lda CORE.TestResult
				ora CORE.IntCmd
				jmp CORE.StkPush
*--------------------------------------
CMD.LOOP		jsr CORE.StkPull
				bcs .9

				tax
				and #$3F
				cmp #C.WHILE
				bne .9
				txa
				bmi .8					true, loop
				
				jmp CORE.StkPopCtxA		false, Discard loop Ptr

.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
CMD.IsSwitch.RTS
				rts
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SH.S.CMD
LOAD USR/SRC/BIN/SH.S
ASM