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A2osX/BIN/SHELL.S.CMD.txt
Rémy GIBERT ab860bb885 Kernel 0.92
2018-12-06 12:40:30 +01:00

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NEW
PREFIX
AUTO 4,1
.LIST OFF
*--------------------------------------
CMD.Init >LDYAI 256
>SYSCALL GetMem
bcs .9
>STYA ZPCLBuf
txa
>STA.G CMD.hCLBuf
>LDYAI 256
>SYSCALL GetMem
bcs .9
>STYA ZPArgVBuf
txa
>STA.G CMD.hArgVBuf
lda #PUSHD.STACK
tay
sta (pData),y
.9 rts
*--------------------------------------
CMD.Quit ldy #CMD.hArgVBuf
jsr .8
ldy #CMD.hCLBuf
jsr .8
ldy #hFileBuf
.8 lda (pData),y
beq .9
>SYSCALL FreeMem
clc
.9 rts
*--------------------------------------
* Input : CMD.IntCmd,ZPArgVBuf
*--------------------------------------
Cmd.Exec jsr CMD.StkGet IF,WHILE,FOR ?
bcs .3 no particular context, exec...
tax
>LDA.G CMD.IntCmd
bmi .2 external ...
and #$3F
cmp #C.FOR
bcs .3 FOR...FI : always execute
.2 txa
bpl .8 context is FALSE, skip line
asl
bpl .8 parent context is FALSE, skip line
.3 >LDA.G CMD.IntCmd
bpl .80 Internal
>PUSHB.G CMD.PSFlags
>LDYA ZPArgVBuf
>SYSCALL execv
bcs .9
tax CPID
>LDA.G CMD.PSFlags
and #S.PS.F.HOLD
bne .4
txa
>PUSHA
>PUSHBI 1
>LDYA L.MSG.PID
>SYSCALL printf
rts
.4 >SLEEP Suspend this PID
sec
ldy #S.PS.RC CPID will update S.PS.RC
lda (pPs),y
bne .9
.8 clc
.9 rts
.80 tax
jmp (J.CMD.INT,x)
*--------------------------------------
* STARTPROC : intcmd = 0
*--------------------------------------
Cmd.INT.STARTPROC
clc
rts
*--------------------------------------
Cmd.INT.SHIFT lda #1
jmp ShiftA
*--------------------------------------
Cmd.INT.PWD ldy #S.PS.hPREFIX
lda (pPs),y
>SYSCALL GetMemPtr
>SYSCALL puts
rts
*--------------------------------------
Cmd.INT.PUSHD >LDA.G PUSHD.STACK
cmp #PUSHD.STACK+PUSHD.STACK.MAX
beq .9
ldy #S.PS.hPREFIX
lda (pPs),y
>SYSCALL GetMemPtr
>SYSCALL NewStr
bcs Cmd.INT.POPD.CSYN
>INC.G PUSHD.STACK
tay
txa
sta (pData),y
ldx #1
jsr Cmd.GetArgX
bcs .8
>SYSCALL RealPath
bcs .9
jmp Cmd.INT.CD.1
.8 clc
.9 rts
*--------------------------------------
Cmd.INT.POPD >LDA.G PUSHD.STACK
cmp #PUSHD.STACK
beq Cmd.INT.POPD.CSYN
tay
lda (pData),y
jsr Cmd.SetPrefixA
>DEC.G PUSHD.STACK
clc
rts
Cmd.INT.POPD.CSYN
lda #E.CSYN
sec
rts
*--------------------------------------
Cmd.INT.CD ldx #1
jsr Cmd.GetArgX
bcs Cmd.INT.CD.HOME
>SYSCALL RealPath
bcc Cmd.INT.CD.1
Cmd.INT.CD.RTS rts
Cmd.INT.CD.HOME >LDYA L.ENV.HOME
>SYSCALL GetEnv
bcc .1
>LDYA L.ENV.ROOT
>SYSCALL GetEnv
bcc .1
jmp Cmd.INT.PWD
.1 >SYSCALL ExpandStr
bcs Cmd.INT.CD.RTS
Cmd.INT.CD.1 >STYA ZPPtr1
txa
>STA.G CMD.hCmdLine
ldy #1
lda (ZPPtr1),y
beq .8 we have '/'
>PUSHEA.G CMD.Stat
>LDYA ZPPtr1
>SYSCALL STAT
bcs .90
>LDA.G CMD.Stat+S.STAT.P.TYPE
cmp #S.FI.T.DIR
beq .1
lda #E.CSYN
sec
bra .90
.1 ldy #0
.5 iny
lda (ZPPtr1),y
bne .5
dey
lda #'/'
cmp (ZPPtr1),y
beq .8
iny
sta (ZPPtr1),y
iny
lda #0
sta (ZPPtr1),y
.8 >LDYA ZPPtr1
>SYSCALL NewStr
bcs .90
txa
jsr Cmd.SetPrefixA
.90 php
pha
>LDA.G CMD.hCmdLine
>SYSCALL FreeMem
pla
plp
.9 rts
*--------------------------------------
Cmd.SetPrefixA pha
ldy #S.PS.hPREFIX
lda (pPs),y
>SYSCALL FreeMem
pla
ldy #S.PS.hPREFIX
sta (pPs),y
* clc
rts
*--------------------------------------
Cmd.Exec.CSYN lda #E.CSYN
sec
rts
*--------------------------------------
Cmd.Exec.SSYN lda #E.SSYN
sec
rts
*--------------------------------------
Cmd.INT.SET ldx #1
jsr Cmd.GetArgX
bcc Cmd.INT.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 ?
ldy #$ff
.2 iny
lda (ZPPTR1),y
bne .2
tya
sec
adc ZPPTR1
sta ZPPTR2
lda #0
adc ZPPTR1+1
sta ZPPTR2+1
>PUSHW ZPPTR2 Push value
>PUSHW ZPPTR1 Push name
jsr Cmd.INT.SET.PRINT
bcs .9
ldy #$ff
.3 iny
lda (ZPPTR2),y
bne .3
tya
sec
adc ZPPTR2
sta ZPPTR1
lda #0
adc ZPPTR2+1
sta ZPPTR1+1
bra .1
.8 clc
.9 rts
*--------------------------------------
* SET +X VAR = VALUE1 op VALUE2 op VALUE3 ...
*--------------------------------------
Cmd.INT.SET.1 >STZ.G CMD.Varname
lda #1
>STA.G CMD.ArgIndex
.1 tax
jsr Cmd.GetArgX
bcs .8
jsr CMD.IsSwitch
bcs .2
cmp #'X'
bne .99
lda #$ff
>EOR.G bSET.X
sta (pData),y
>INC.G CMD.ArgIndex
bra .1
.2 >LDA.G CMD.ArgIndex
>STA.G CMD.Varname
>INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcs Cmd.INT.SET.GET
>STYA ZPPTR1
lda (ZPPTR1)
cmp #'='
bne .99
ldy #1
lda (ZPPTR1),y
bne .99
>INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcs Cmd.INT.SET.UNSET
jsr Cmd.GetEXP
bcs .99
>PUSHYA
>LDA.G CMD.Varname
tax
jsr Cmd.GetArgX
>SYSCALL SetEnv
rts
.8 clc
rts
.99 lda #E.CSYN
sec
rts
Cmd.INT.SET.UNSET
>LDA.G CMD.Varname
tax
jsr Cmd.GetArgX
>SYSCALL UnsetEnv
rts
Cmd.INT.SET.GET
>LDA.G CMD.Varname
tax
jsr Cmd.GetArgX
>SYSCALL GetEnv
bcc .1
clc
rts
.1 >PUSHYA push value
>LDA.G CMD.Varname
tax
jsr Cmd.GetArgX
>PUSHYA push name
*--------------------------------------
Cmd.INT.SET.PRINT
>PUSHBI 4
>LDYA L.MSG.PRINTENV
>SYSCALL printf
rts
*--------------------------------------
Cmd.INT.DATE sec
.HS 90 bcc
Cmd.INT.TIME clc
php
>LEA.G CMD.Time
>SYSCALL Time
>PUSHEA.G CMD.Time
plp
bcc .1
>PUSHW L.FMT.DATE
bra .2
.1 >PUSHW L.FMT.TIME
.2 >LDYA ZPCLBuf
>SYSCALL StrFTime
>LDYA ZPCLBuf
>SYSCALL puts
rts
*--------------------------------------
Cmd.INT.ECHO >STZ.G bECHO.N
lda #1
>STA.G CMD.ArgIndex
.1 tax
jsr Cmd.GetArgX
bcs .7
jsr CMD.IsSwitch
bcs .2
cmp #'N'
bne .99
lda #$ff
>EOR.G bECHO.N
sta (pData),y
>INC.G CMD.ArgIndex
bra .1
.2 pha
>PUSHBI 0
pla
>SYSCALL printf
bcs .9
>INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcs .7
.6 lda #C.SPACE
>SYSCALL putchar
bcs .9
>PUSHBI 0
>LDA.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
>SYSCALL printf
bcs .9
>INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcc .6
.7 >LDA.G bECHO.N
bmi .8
>PUSHBI 0
>LDYA L.MSG.ECHOCRLF
>SYSCALL printf
rts
.8 clc
.9 rts
.99 lda #E.CSYN
sec
rts
*--------------------------------------
Cmd.INT.READ lda #1
>STA.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcs .9
.1 jsr CMD.IsSwitch
bcs .4
cmp #'S'
bne .2
lda #$ff
>STA.G bREAD.S
bra .7
.2 cmp #'P'
bne .9
>INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcs .9
pha
>PUSHBI 0
pla
>SYSCALL printf
bcs .99
bra .7
.4 >SYSCALL newstr
txa
>STA.G hVarName
.7 >INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
bcc .1
>LDA.G hVarName
beq .9
clc
.99 rts
.9 jmp Cmd.Exec.CSYN
*--------------------------------------
Cmd.INT.SLEEP ldx #1
jsr Cmd.GetArgX
bcs .9
>SYSCALL AToL
bcs .9
>PULLL.G Sleep
clc
rts
.9 jmp Cmd.Exec.CSYN
*--------------------------------------
Cmd.INT.PAUSE lda #$FF
>STA.G bPause
clc
rts
*--------------------------------------
Cmd.INT.EXIT ldx #1
jsr Cmd.GetArgX
bcs .8 no arg, exit 0
>SYSCALL AToL
bcs .9
>PULLL.G M32.ACC
lda #$FF
>STA.G bExit
>LDA.G M32.ACC
clc
rts
.8 lda #$FF
>STA.G bExit
inc
clc
.9 rts
*--------------------------------------
Cmd.INT.MD ldx #1
jsr Cmd.GetArgX
bcs .9
>SYSCALL MKDir
rts
.9 jmp Cmd.Exec.CSYN
*--------------------------------------
Cmd.INT.REN ldx #2
jsr Cmd.GetArgX
bcs .9
>PUSHYA
ldx #1
jsr Cmd.GetArgX
>SYSCALL Rename
rts
.9 jmp Cmd.Exec.CSYN
*--------------------------------------
Cmd.INT.RD ldx #1
jsr Cmd.GetArgX
bcs .9
phy
pha
>PUSHEA.G CMD.Stat
pla
ply
>SYSCALL STAT
bcs .99
>LDA.G CMD.Stat+S.STAT.P.TYPE
cmp #S.FI.T.DIR
bne .9
ldx #1
jsr Cmd.GetArgX
>SYSCALL Remove
.99 rts
.9 jmp Cmd.Exec.CSYN
*--------------------------------------
Cmd.INT.BREAK
.9 jmp Cmd.Exec.SSYN
*--------------------------------------
Cmd.INT.CONTINUE
.9 jmp Cmd.Exec.SSYN
*--------------------------------------
Cmd.INT.FOR
.9 jmp Cmd.Exec.SSYN
*--------------------------------------
Cmd.INT.NEXT
.9 jmp Cmd.Exec.SSYN
*--------------------------------------
Cmd.INT.WHILE
Cmd.INT.IF jsr CMD.StkGet
bcs .1 no context...
and #$80 get current..
lsr becomes parent
bra .2
.1 lda #$40 ...set Parent = true
.2 >STA.G CMD.Test
bit #$40 Parent is true ?
beq .3
jsr Cmd.Eval
bcs .9
.3 >LDA.G CMD.IntCmd
cmp #C.WHILE
bne .8
jsr CMD.StkPushPtr
bcs .9
.8 >LDA.G CMD.Test
>ORA.G CMD.IntCmd
jmp CMD.StkPush
clc
.9 rts
*--------------------------------------
Cmd.INT.ELSE jsr CMD.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.INT.FI jsr CMD.StkPull
bcs .9
and #$3F
cmp #C.IF
bne .9
clc
rts
.9 lda #E.NOIF
sec
rts
*--------------------------------------
Cmd.INT.LOOP jsr CMD.StkPull
bcs .9
tax
and #$3F
cmp #C.WHILE
bne .9
txa
bpl .1
jmp CMD.StkPullPtr
.1 jsr CMD.StkPull
bcs .99
jmp CMD.StkPull
.9 lda #E.NOWHILE
sec
.99 rts
*--------------------------------------
Cmd.Eval ldx #1
jsr Cmd.GetArgX
beq .9
>PUSHYA
>LDYA L.CMD.Eval.TOKEN1
jsr Lookup
bcs .9
cpx #4 [ or ![
bcs .9
dex
dex 1 or $ff
txa
and #$80 true or false
>ORA.G CMD.Test
sta (pData),y
ldx #2
jsr Cmd.GetArgX
beq .9
>PUSHYA
>LDYA L.CMD.Eval.TOKEN2 -d -e -f ?
jsr Lookup
bcs .1
txa
>STA.G CMD.Operator
jsr CMD.Eval.UNARY
bcs .9
>EOR.G CMD.Test
sta (pData),y
ldx #4 go check ]
bra .8
.9 lda #E.ESYN
sec
.99 rts
.1 ldx #3
jsr Cmd.GetArgX
beq .9
>PUSHYA
>LDYA L.CMD.Eval.TOKEN3 -eq -ne .... ?
jsr Lookup
bcs .9
txa
>STA.G CMD.Operator
jsr CMD.Eval.BINARY
bcs .9
>EOR.G CMD.Test
sta (pData),y
ldx #5 go check ]
.8 jsr Cmd.GetArgX
beq .9
>STYA ZPPTR1
lda (ZPPTR1)
cmp #']'
bne .9
ldy #1
lda (ZPPTR1),y
bne .9
clc
rts
*--------------------------------------
CMD.Eval.UNARY ldx #3
jsr Cmd.GetArgX
bcs .9 we need one arg
>LDA.G CMD.Operator
tax
jmp (J.CMD.Eval.TOKEN2,x)
.9 lda #E.ESYN
sec
rts
CMD.Eval.D jsr CMD.Eval.DEF.7
bcs CMD.Eval.DEF.9
>LDA.G CMD.Stat+S.STAT.P.TYPE
cmp #S.FI.T.DIR
bne CMD.Eval.DEF.9
bra CMD.Eval.DEF.8
CMD.Eval.E jsr CMD.Eval.DEF.7
bcs CMD.Eval.DEF.9
bra CMD.Eval.DEF.8 DIR or FILE exist
CMD.Eval.F jsr CMD.Eval.DEF.7
bcs CMD.Eval.DEF.9
>LDA.G CMD.Stat+S.STAT.P.TYPE
cmp #S.FI.T.DIR
beq CMD.Eval.DEF.9
bra CMD.Eval.DEF.8
CMD.Eval.DEF.7 >PUSHEA.G CMD.Stat
ldx #3
jsr Cmd.GetArgX
>SYSCALL STAT
rts
CMD.Eval.DEF.8 lda #$80 true
clc
rts
CMD.Eval.DEF.9 lda #0 false
clc
rts
*--------------------------------------
CMD.Eval.BINARY ldx #2
jsr Cmd.GetArgX
bcs .9
ldx #4
jsr Cmd.GetArgX
bcs .9
>LDA.G CMD.Operator
beq .1 =
cmp #2 !=
bne CMD.Eval.BINARY.NUM
lda #$80
>STA.G CMD.Operator
.1 ldx #2
jsr Cmd.GetArgX
>PUSHYA
ldx #4
jsr Cmd.GetArgX
>SYSCALL strcmp
ror CS if !=
and #$80
eor #$80
>EOR.G CMD.Operator
clc
rts
.9 lda #E.ESYN
sec
rts
*--------------------------------------
CMD.Eval.BINARY.NUM
ldx #2
jsr Cmd.GetArgX
bcs .9
>SYSCALL AToL
bcs .9
>PULLL.G M32.ACC
ldx #4
jsr Cmd.GetArgX
bcs .9
>SYSCALL AToL
bcs .9
>PULLL.G M32.ARG
jsr M32.Cmp
pha
>LDA.G CMD.Operator
lsr
tax
pla
and CMD.Eval.TOKEN3.BITS,x
beq .80
lda #$80 true
clc
rts
.80 lda #0 false
clc
rts
.9 lda #E.ESYN
sec
rts
*--------------------------------------
Cmd.GetEXP >LDA.G CMD.ArgIndex
inc
tax
jsr Cmd.GetArgX
bcc .1
>LDA.G CMD.ArgIndex no op, return text value
tax
jsr Cmd.GetArgX
rts
.1 >LDA.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
>SYSCALL AToL
bcs .99
>PULLL.G M32.ACC
jsr Cmd.GetEXP.GetNext
.2 >PUSHYA
>LDYA L.CMD.Eval.TOKEN4 + - .... ?
jsr Lookup
bcs .9
txa
>STA.G CMD.Operator
jsr M32.ACC2ARG
jsr Cmd.GetEXP.GetNext get next argument in ACC
.99 bcs .9
>SYSCALL AToL
bcs .9
>PULLL.G M32.ACC
jsr Cmd.GetEXP.Op
bcs .9
jsr Cmd.GetEXP.GetNext another op ?
bcc .2
.8 >PUSHL.G M32.ACC
>PUSHBI 4
>PUSHW L.M32.Printf
>LEA.G M32.BUF
>SYSCALL sprintf
bcs .9
>LEA.G M32.Buf
rts
.9 lda #E.BADEXP
rts
Cmd.GetEXP.Op >LDA.G CMD.Operator
tax
jmp (J.CMD.Eval.TOKEN4,x)
*--------------------------------------
Cmd.GetEXP.GetNext
>INC.G CMD.ArgIndex
tax
jsr Cmd.GetArgX
rts
*--------------------------------------
Cmd.GetArgX >LDYA ZPArgVBuf
dex
bmi .8
>STYA ZPPtr1
.1 lda (ZPPtr1)
beq .9
.2 inc ZPPtr1
bne .3
inc ZPPtr1+1
.3 lda (ZPPtr1)
bne .2
inc ZPPtr1
bne .4
inc ZPPtr1+1
.4 lda (ZPPtr1)
beq .9
dex
bpl .1
>LDYA ZPPtr1
.8 clc
rts
.9 sec
rts
*--------------------------------------
CMD.IsSwitch >STYA ZPPtr1
lda (ZPPtr1)
cmp #'-'
bne .9
ldy #1
lda (ZPPtr1),y
beq .9
iny
lda (ZPPtr1),y
bne .9
dey
lda (ZPPtr1),y
cmp #'a'
bcc .8
cmp #'z'+1
bcs .8
eor #$20
.8 clc
rts
.9 >LDYA ZPPtr1
sec
rts
*--------------------------------------
CMD.StkPushPtr >LDA.G CMD.FileBufPtr
jsr CMD.StkPush
bcs .9
>LDA.G CMD.FileBufPtr+1
jmp CMD.StkPush
.9 rts
*--------------------------------------
CMD.StkPullPtr jsr CMD.StkPull
bcs .9
sta ZPFileBufPtr+1
jsr CMD.StkPull
bcs .9
sta ZPFileBufPtr
.9 rts
*--------------------------------------
CMD.StkGetPtr lda (pData) StackPtr
beq .9
dec
beq .9
tay
lda (pData),y
sta ZPFileBufPtr
iny
lda (pData),y
sta ZPFileBufPtr+1
clc
rts
.9 lda #E.SSYN
sec
rts
*--------------------------------------
CMD.StkPush pha
lda (pData) StackPtr
inc
cmp #CMD.STACK.MAX
beq .9
sta (pData) StackPtr
tay
pla
sta (pData),y
* clc
rts
.9 pla
lda #E.STKOVERFLOW
* sec
rts
*--------------------------------------
CMD.StkPull jsr CMD.StkGet
bcs .9
dey
pha
tya
sta (pData) StackPtr
pla
.9 rts
*--------------------------------------
CMD.StkGet lda (pData) StackPtr
beq .9
tay
lda (pData),y
clc
rts
.9 lda #E.SSYN
sec
rts
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SHELL.S.CMD
LOAD USR/SRC/BIN/SHELL.S
ASM
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