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A2osX/BIN/SH.S.CMD.txt
Rémy GIBERT 698aaca41d Kernel 0.94
2020-07-09 13:34:07 +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
CMD...9 jmp CMD.E.CSYN
*--------------------------------------
CMD.NOHUP lda (ZPArgVBufPtr)
beq CMD...9
lda #S.PS.F.NOHUP
tsb CORE.PSFlags
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 Shift
CMD.SHIFTA.RTS rts
*--------------------------------------
CMD.PUSHD >LDA.G PUSHD.STACK
cmp #PUSHD.STACK+PUSHD.STACK.MAX
beq CMD.POPD.CSYN
jsr GetCWD
>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 >PUSHYA
>PUSHWI 0 Allocate
>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
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 #'/'
cmp (ZPPtr1),y
beq .14
iny
sta (ZPPtr1),y
iny
lda #0
sta (ZPPtr1),y
.14 lda ZPTmpW
*--------------------------------------
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.SET lda (ZPArgVBufPtr)
bne CMD.SET.1
* No arg, print all ENV
>PUSHWZ
>PUSHWZ
>SYSCALL GetEnv
>STYA ZPPtr1
stx ZPTmpW
.1 lda (ZPPtr1)
beq .8 Ending 0 ?
>LDYA ZPPtr1
>SYSCALL PutS
bcs .9
jsr GetPtr1NextString
bra .1
.8 lda ZPTmpW
>SYSCALL FreeMem
* clc
.9 rts
*--------------------------------------
* SET +X VAR = VALUE1 op VALUE2 op VALUE3 ...
*--------------------------------------
CMD.SET.1
.1 jsr CMD.IsSwitch
bcs .6
ldx #SET.VARS-SET.FLAGS
.2 dex
bmi .4
cmp SET.FLAGS,x
bne .2
ldy SET.VARS,x
lda (pData),y
eor #$ff
sta (pData),y
bra .5
.4 cmp #'F'
bne .99
jsr CORE.FUNCRESET
.5 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
.99 jmp CMD.E.CSYN
CMD.SET.YA pha
>PUSHW ZPVarNamePtr
pla
>PUSHYA
>SYSCALL SetEnv
rts
CMD.SET.UNSET >PUSHW ZPVarNamePtr
>SYSCALL UnsetEnv
rts
CMD.SET.GET >PUSHW ZPVarNamePtr
>PUSHW ZPCLBuf
>SYSCALL GetEnv
bcs .8
>LDYA ZPCLBuf
>SYSCALL PutS
rts
.8 clc
rts
*--------------------------------------
CMD.SET.EXEC jsr CORE.ArgV.NextChar skip "`"
jsr IO.Pipe.Out
bcs .9
>PUSHW ZPArgVBufPtr
>PUSHBI S.PS.F.CLOSEONX
>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 >PUSHEA.G TimeBuf
>SYSCALL Time
>PUSHEA.G TimeBuf
>PUSHW ZPCLBuf
lda (ZPArgVBufPtr)
beq .1
>LDYA ZPArgVBufPtr
bra .2
.1 >LDYA L.FMT.DATE
.2 >PUSHYA
>PUSHEA.G TimeBuf
>SYSCALL StrFTime
CMD.DATE.PRINT >LDYA ZPCLBuf
>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 #$ff
eor ZPPtr1
sta ZPPtr1
bra .4
.2 lda ZPPtr1+1
beq .3
lda #C.SPACE
>SYSCALL PutChar
.3 jsr CMD.PrintArgVBufPtr
bcs .9
inc ZPPtr1+1
.4 jsr CORE.ArgV.Next
bne .1
.7 bit ZPPtr1
bmi .8
>PUSHW L.MSG.ECHOCRLF
>PUSHBI 0
>SYSCALL PrintF
.9 rts
.8 clc
rts
CMD.ECHO.CSYN lda #E.CSYN
sec
CMD.ECHO.RTS rts
*--------------------------------------
CMD.READ lda (ZPArgVBufPtr)
beq CMD.ECHO.CSYN
stz ZPVarNamePtr+1
>STZ.G bREAD.S
dec
>STA.G READ.N
.1 jsr CMD.IsSwitch
bcs .4
cmp #'S'
bne .2
lda #$ff
>STA.G bREAD.S
bra .5
.2 cmp #'P'
bne .3
jsr CORE.ArgV.Next
beq CMD.ECHO.CSYN
jsr CMD.PrintArgVBufPtr
bcs CMD.ECHO.RTS
bra .5
.3 cmp #'N'
bne CMD.ECHO.CSYN
jsr CORE.ArgV.Next
beq CMD.ECHO.CSYN
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 CMD.ECHO.CSYN
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 #$FF
>STA.G bPause
clc
rts
*--------------------------------------
CMD.MD lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
>PUSHW ZPArgVBufPtr
>PUSHWI S.STAT.MODE.FO+S.STAT.MODE.FG+S.STAT.MODE.FU
>SYSCALL MKDir
rts
*--------------------------------------
CMD.PWD jsr GetCWD
>SYSCALL PutS
rts
*--------------------------------------
CMD.RD lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
jsr IO.StatArgVBufPtr
bcs .99
cmp #S.FI.T.DIR
bne CMD.REN.CSYN
>LDYA ZPArgVBufPtr
>SYSCALL Remove
.99 rts
*--------------------------------------
CMD.REN.CSYN jmp CMD.E.CSYN
CMD.REN lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
jsr CORE.ArgV.Next
lda (ZPArgVBufPtr)
beq CMD.REN.CSYN
>PUSHW ZPArgVBufPrev old path
>PUSHWI 0 Allocate
>SYSCALL RealPath
bcs CMD.REN.CSYN
>STYA ZPPtr1
stx ZPTmpW
ldy #$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 ZPPtr1
>PUSHW ZPPtr2
>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 >PUSHA
>PUSHW ZPArgVBufPtr
>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 '}'
phx
phy
>PUSHB.G hFuncList
>PUSHW ZPTmpW KeyID
>PUSHW ZPPtr1 DataPtr
ply
pla
>PUSHYA DataLen
>SYSCALL SListAddData
rts
*--------------------------------------
CMD.CALL jsr CMD.CALL.GETFUNC
bcs CMD.CALL.RTS
>STYA ZPTmpW KeyID
>PUSHB.G hFuncList
>PUSHW ZPTmpW KeyID
>PUSHWZ Allocate..
>PUSHWI $ffff all
>PUSHWZ From Start
>SYSCALL SListGetData
bcs CMD.CALL.RTS
>LDYA ZPArgVBufPtr FUNC PARAM1 PARAM2...
jsr CORE.Load.YAX Exec FUNC
bcs CMD.CALL.RTS
lda #$C0+C.CALL
jmp CORE.StkPush
*--------------------------------------
CMD.CALL.GETFUNC
>LDA.G hFuncList
beq CMD.CALL.UNDEF
>PUSHB.G hFuncList
>PUSHW ZPArgVBufPtr
>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.StkPullFree 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 FOR.FILE.9
lda (ZPArgVBufPtr)
cmp #'('
beq CMD.FOR.FILE
cmp #'`'
beq CMD.FOR.EXEC
*--------------------------------------
CMD.FOR.LIST >LDYA ZPArgVBufPtr
>SYSCALL StrDup
bcs FOR.FILE.9
phy
pha
jsr CORE.StkPushInputBufPtr Push CmdPtr AFTER FOR
pla
ply
jsr CORE.StkPushYAX Push listPtr,hList
jsr CORE.PushVarName Push hVARNAME
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
>PUSHW ZPArgVBufPtr
>PUSHBI S.PS.F.CLOSEONX
>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 pha save hFILE/hPIPE
jsr CORE.StkPushInputBufPtr Push CmdPtr AFTER FOR
pla
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
jmp CMD.NEXT.FILEEXEC.LOOPY
.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
jsr CMD.NEXT.GetVarNamePtr
dey skip hLIST
dey
lda (pData),y
sta ZPPtr1
dey
lda (pData),y
sta ZPPtr1+1
ldy #0
.10 jsr GetPtr1NextChar
beq .3
cmp #C.SPACE
beq .10
sta (ZPCLBuf),y
iny
.1 jsr GetPtr1NextChar
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 CMD.NEXT.FILEEXEC.POP
jsr CMD.NEXT.LINE
bcs CMD.NEXT.FILEEXEC.9
bpl CMD.NEXT.FILEEXEC.POP end of file/pipe
lda (pData)
sec
sbc #4
CMD.NEXT.FILEEXEC.LOOPY
tay
lda (pData),y
sta ZPInputBufPtr
dey
lda (pData),y
sta ZPInputBufPtr+1
clc
CMD.NEXT.FILEEXEC.9
rts
CMD.NEXT.FILEEXEC.POP
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
rts
*--------------------------------------
CMD.NEXT.LINE jsr CMD.NEXT.GetVarNamePtr
>PUSHWI 256
>PUSHW ZPCLBuf
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.NEXT.GetVarNamePtr
lda (pData)
dec skip FOR
dec skip SUB TOKEN
tay
lda (pData),y
phy
>SYSCALL GetMemPtr hVARNAME
>STYA ZPVarNamePtr
ply
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
CMD.ELSE.NOIF lda #E.NOIF
sec
rts
*--------------------------------------
CMD.FI jsr CORE.StkPull
bcs CMD.ELSE.NOIF
and #$3F
cmp #C.IF
bne CMD.ELSE.NOIF
clc
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
*--------------------------------------
CMD.PrintArgVBufPtr
>PUSHW ZPArgVBufPtr
>PUSHBI 0
>SYSCALL PrintF
rts
*--------------------------------------
MAN
SAVE usr/src/bin/sh.s.cmd
LOAD usr/src/bin/sh.s
ASM
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