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A2osX/BIN/SHELL.S.txt
Rémy GIBERT dfa2b31ab7 Kernel 0.92
2019-01-30 16:23:00 +00:00

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NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/SHELL
*--------------------------------------
CL.MAX .EQ 159
History.MAX .EQ 256
CORE.STACK.MAX .EQ 64
PUSHD.STACK.MAX .EQ 8
*--------------------------------------
C.STARTPROC .EQ 0
C.CD .EQ 2
C.DATE .EQ 4
C.ECHO .EQ 6
C.EXIT .EQ 8
C.GETKEY .EQ 10
C.MD .EQ 12
C.PAUSE .EQ 14
C.PWD .EQ 16
C.RD .EQ 18
C.READ .EQ 20
C.REN .EQ 22
C.SET .EQ 24
C.SLEEP .EQ 26
C.SHIFT .EQ 28
C.TIME .EQ 30
C.PUSHD .EQ 32
C.POPD .EQ 34
C.BREAK .EQ 36
C.CONTINUE .EQ 38
*--------------------------------------
C.FOR .EQ 40
C.NEXT .EQ 42
C.WHILE .EQ 44
C.LOOP .EQ 46
C.IF .EQ 48
C.ELSE .EQ 50
C.FI .EQ 52
*--------------------------------------
E.CSYN .EQ $C0
E.SSYN .EQ $C1
E.ESYN .EQ $C2
E.STKOVERFLOW .EQ $C3
E.NOWHILE .EQ $C4
E.NOFOR .EQ $C5
E.NOIF .EQ $C6
E.BADEXP .EQ $C7
E.BADFTYPE .EQ $C8
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/MLI.I
.INB INC/MLI.E.I
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
ZPPtr2 .BS 2
ZPPtr3 .BS 2
ZPCLBuf .BS 2
ZPCLBufPtr .BS 2
ZPInputBufPtr .BS 2
ZPInputBufPtrBak .BS 2
ZPArgVBuf .BS 2
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #S.PS.F.EVENT S.PS.F
.DA #0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data SegmentSize
.DA #64 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
*--------------------------------------
L.MSG.GREETINGS .DA MSG.GREETINGS
L.MSG.PROMPT .DA MSG.PROMPT
L.MSG.TRACE .DA MSG.TRACE
L.MSG.ECHOCRLF .DA MSG.ECHOCRLF
L.MSG.BATCHERR .DA MSG.BATCHERR
L.MSG.ERROR .DA MSG.ERROR
L.MSG.PRINTENV .DA MSG.PRINTENV
L.MSG.PID .DA MSG.PID
L.ENV.ROOT .DA ENV.ROOT
L.ENV.PATH .DA ENV.PATH
L.ENV.PWD .DA ENV.PWD
L.ENV.PS1 .DA ENV.PS1
L.ENV.HOME .DA ENV.HOME
L.FMT.DATE .DA FMT.DATE
L.FMT.TIME .DA FMT.TIME
L.FMT.GETKEY .DA FMT.GETKEY
J.ESC .DA CL.BS left arrow
.DA HIS.GetNext
.DA HIS.GetPrev
.DA CL.NAK right arow
L.CL.IO .DA CL.IO
J.CL.IO .DA CL.IO.AMP
.DA CL.IO.IN
.DA CL.IO.OUTA
.DA CL.IO.OUT
.DA CL.IO.1OUTA
.DA CL.IO.1OUT
.DA CL.IO.2OUTA
.DA CL.IO.2OUT
L.CORE.INT .DA CORE.INT
J.CORE.INT .DA CORE.INT.STARTPROC
.DA CORE.INT.CD
.DA CORE.INT.DATE
.DA CORE.INT.ECHO
.DA CORE.INT.EXIT
.DA CORE.INT.GETKEY
.DA CORE.INT.MD
.DA CORE.INT.PAUSE
.DA CORE.INT.PWD
.DA CORE.INT.RD
.DA CORE.INT.READ
.DA CORE.INT.REN
.DA CORE.INT.SET
.DA CORE.INT.SLEEP
.DA CORE.INT.SHIFT
.DA CORE.INT.TIME
.DA CORE.INT.PUSHD
.DA CORE.INT.POPD
.DA CORE.INT.BREAK
.DA CORE.INT.CONTINUE
.DA CORE.INT.FOR
.DA CORE.INT.NEXT
.DA CORE.INT.WHILE
.DA CORE.INT.LOOP
.DA CORE.INT.IF
.DA CORE.INT.ELSE
.DA CORE.INT.FI
L.CORE.Eval.TOKEN1 .DA CORE.Eval.TOKEN1
L.CORE.Eval.TOKEN2 .DA CORE.Eval.TOKEN2
J.CORE.Eval.TOKEN2 .DA CORE.Eval.D
.DA CORE.Eval.E
.DA CORE.Eval.F
L.CORE.Eval.TOKEN3 .DA CORE.Eval.TOKEN3
L.CORE.Eval.TOKEN4 .DA CORE.Eval.TOKEN4
J.CORE.Eval.TOKEN4 .DA M32.Add
.DA M32.Sub
.DA M32.Mul
.DA M32.Div
.DA M32.Mod
L.HOME.PROFILE .DA HOME.PROFILE
L.M32.Printf .DA M32.Printf
L.ERR.Codes .DA ERR.Codes
L.ERR.Messages .DA ERR.Messages
.DA 0
*--------------------------------------
CS.INIT clc
CS.INIT.RTS rts
*--------------------------------------
CS.RUN jsr CMD.Init
bcs CS.INIT.RTS
ldy #S.PS.ARGC
lda (pPS),y
beq .1 no arg, continue starting interactive
>PUSHWI 0 Aux type
>PUSHBI S.FI.T.TXT
>PUSHBI O.RDONLY
lda #1
>SYSCALL ArgV
>SYSCALL LoadTxtFile
bcs CS.INIT.RTS
txa
>STA.G hFileBuf
>SYSCALL GetMemPtr
>STYA ZPInputBufPtr
lda #0
jsr ShiftA Remove $0=/bin/shell
bra CS.RUN.LOOP
*--------------------------------------
.1 jsr CORE.INT.CD.HOME
jsr CL.Init
jsr HIS.Init
bcs CS.INIT.RTS
>PUSHWI K.VER
>PUSHBI 2
>LDYA L.MSG.GREETINGS
>SYSCALL printf
bcs CS.INIT.RTS
>PUSHEA.G StatBuf
>LDYA L.HOME.PROFILE
>SYSCALL STAT
bcs CS.RUN.LOOP
>PUSHBI S.PS.F.HOLD
>LDYA L.HOME.PROFILE
>SYSCALL execl
>SLEEP
*--------------------------------------
CS.RUN.LOOP jsr IO.Reset
.1 jsr CheckSleep
beq .3
>SLEEP
>SYSCALL GetChar
bcs .2
cmp #3 Ctrl-C
bne .1
>LDA.G hFileBuf batch mode ?
beq .1
>LDA.G bSET.C
beq .8
bra .1
.2 tay
beq .1
rts I/O err
.3 >LDA.G bPause
bpl .6
.4 >SLEEP
>SYSCALL GetChar
bcc .5 got one
tay
beq .4 no char
rts I/O err
.5 cmp #3 Ctrl-C
bne .60
>LDA.G hFileBuf batch mode ?
beq .61
>LDA.G bSET.C
beq .8
bra .61
.60 cmp #C.CR
bne .4
.61 >STZ.G bPause
bra .62
.6 >LDA.G hVarName read mode ?
bne .7
.62 >LDA.G hFileBuf batch mode ?
beq CS.RUN.INTERACTIVE
jmp CS.RUN.BATCH
.7 jmp CS.RUN.READ
.8 lda #3 User Interrupt
.9 sec
rts
*--------------------------------------
CS.RUN.INTERACTIVE
jsr CL.Reset
jsr CL.PrintPrompt
bcs .9
.1 >SLEEP
>SYSCALL GetChar
bcc .2
tay
beq .1 no char
.9 rts I/O error
.2 cmp #C.EOF ....or Ctrl-D
beq .9 CS
jsr CL.CHARIN
>LDA.G CL.bExec Something to execute ?
bpl .1
lda (ZPCLBuf)
beq .8 Empty line
jsr HIS.Add
jmp CS.RUN.Exec
.8 jmp CS.RUN.LOOP
*--------------------------------------
CS.RUN.READ
.1 >SLEEP
>SYSCALL GetChar
bcs .1 no char
jsr CL.CHARIN
>LDA.G CL.bExec
bpl .1
lda (ZPCLBuf)
bne .2
>LDA.G hVarName
>SYSCALL GetMemPtr
>SYSCALL UnSetEnv
bra .7
.2 >PUSHW ZPCLBuf
>LDA.G hVarName
>SYSCALL GetMemPtr
>SYSCALL SetEnv
.7 php
pha
>LDA.G hVarName
>SYSCALL freemem
>STZ.G hVarName
>STA.G bREAD.S
pla
plp
.8 jmp CS.RUN.LOOP.END
*--------------------------------------
CS.RUN.BATCH >SYSCALL GetChar
bcs .2
cmp #3 test Ctrl-c
bne .1
* sec
.9 rts
.1 cmp #19 test Ctrl-s
bne .2
lda #$80
>STA.G bPause
clc
jmp CS.RUN.LOOP.END
.2 jsr CMD.Get
bcc .7
cmp #C.EOF
bne .3
lda #$ff
>STA.G bExit
inc
clc
bra CS.RUN.LOOP.END
.3 sec
bra CS.RUN.LOOP.END
.7 >LDA.G CL.bExec
bpl CS.RUN.LOOP.80
lda (ZPCLBuf)
beq CS.RUN.LOOP.80
>LDA.G bSET.X
beq CS.RUN.Exec
>PUSHW ZPCLBuf
>PUSHBI 2
>LDYA L.MSG.TRACE
>SYSCALL printf
bcs .9
*--------------------------------------
CS.RUN.Exec jsr CL.Parse
bcs CS.RUN.LOOP.END
lda (ZPArgVBuf)
beq CS.RUN.LOOP.8
jsr CORE.Exec
*--------------------------------------
CS.RUN.LOOP.END ldy #S.PS.RC
sta (pPs),y
bcc CS.RUN.LOOP.8
>LDA.G hFileBuf batch mode ?
beq .1
jsr IO.PrintBatchErrMsg
bcs CS.RUN.LOOP.RTS
.1 ldy #S.PS.RC
lda (pPs),y
jsr IO.PrintErrMsg
bcs CS.RUN.LOOP.RTS
CS.RUN.LOOP.8 >LDA.G bExit
beq CS.RUN.LOOP.80
ldy #S.PS.RC
lda (pPs),y
sec
CS.RUN.LOOP.RTS rts
CS.RUN.LOOP.80 jmp CS.RUN.LOOP
*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .9
jsr CheckSleep
beq .9
* ldy #Sleep already set by CheckSleep
ldx #4
clc
.1 lda (pData),y
sbc #0
sta (pData),y
iny
dex
bne .1
.9 sec
rts
*--------------------------------------
CS.QUIT jsr HIS.Quit
jsr CMD.Quit
clc
rts
*--------------------------------------
CheckSleep ldy #Sleep+3
lda (pData),y
dey
ora (pData),y
dey
ora (pData),y
dey
ora (pData),y
rts
*--------------------------------------
ShiftA >SYSCALL ArgV
bcs .8
>STYA ZPPtr1
>STYA ZPPtr2
.10 ldy #$ff
.1 iny Compute ArgX len
lda (ZPPtr1),y
bne .1
.2 tya
sec
adc ZPPtr1
sta ZPPtr1
bcc .3
inc ZPPtr1+1
.3 ldy #$ff
.4 iny
lda (ZPPtr1),y
sta (ZPPtr2),y
bne .4
tya
beq .7
sec
adc ZPPtr2
sta ZPPtr2
bcc .2
inc ZPPtr2+1
bra .2
.7 ldy #S.PS.ARGC
lda (pPS),y
dec
sta (pPS),y
.8 clc
rts
*--------------------------------------
Lookup >STYA ZPPtr2
>PULLW ZPPtr1
ldx #0
.1 phx
>PUSHW ZPPtr2
>LDYA ZPPtr1
>SYSCALL StrCaseCmp
bcs .2
plx
>LDYA ZPPtr2
clc
rts
.2 inc ZPPtr2
bne .3
inc ZPPtr2+1
.3 lda (ZPPtr2)
bne .2
inc ZPPtr2
bne .4
inc ZPPtr2+1
.4 plx
inx
inx
lda (ZPPtr2) Array Ending 0, must be an external Cmd....
bne .1
sec
rts
*--------------------------------------
.INB USR/SRC/BIN/SHELL.S.CL
.INB USR/SRC/BIN/SHELL.S.HIS
.INB USR/SRC/BIN/SHELL.S.CORE
.INB USR/SRC/BIN/SHELL.S.CMD
.INB USR/SRC/BIN/SHELL.S.IO
*--------------------------------------
CS.END
*--------------------------------------
MSG.GREETINGS .AZ "\r\nA2osX-Shell %d.%d\r\n\r\n"
MSG.PROMPT .AZ "\e[7h$ "
MSG.TRACE .AZ ">%s\r\n"
MSG.BATCHERR .AZ "^\r\nLine #%D:"
MSG.ERROR .AS "[$%h]:%S."
MSG.ECHOCRLF .AZ "\r\n"
MSG.PRINTENV .AZ "%s = %s\r\n"
MSG.PID .AZ "PID=%d\r\n"
FMT.DATE .AZ "%A (%w), %B %d %Y"
FMT.TIME .AZ "%H:%M:%S (%I:%M:%S%p)"
FMT.GETKEY .AZ "%d"
*--------------------------------------
ENV.ROOT .AZ "ROOT"
ENV.PATH .AZ "PATH"
ENV.PWD .AZ "PWD"
ENV.PS1 .AZ "PS1"
ENV.HOME .AZ "HOME"
HOME.PROFILE .AZ "${HOME}PROFILE"
*--------------------------------------
* https://www.tldp.org/LDP/abs/html/io-redirection.html
*--------------------------------------
CL.IO .AZ "&"
.AZ "<"
.AZ ">>"
.AZ ">"
.AZ "1>>"
.AZ "1>"
.AZ "2>>"
.AZ "2>"
.HS 00
*--------------------------------------
CORE.INT .AZ "STARTPROC"
.AZ "CD"
.AZ "DATE"
.AZ "ECHO"
.AZ "EXIT"
.AZ "GETKEY"
.AZ "MD"
.AZ "PAUSE"
.AZ "PWD"
.AZ "RD"
.AZ "READ"
.AZ "REN"
.AZ "SET"
.AZ "SLEEP"
.AZ "SHIFT"
.AZ "TIME"
.AZ "PUSHD"
.AZ "POPD"
.AZ "BREAK"
.AZ "CONTINUE"
.AZ "FOR"
.AZ "NEXT"
.AZ "WHILE"
.AZ "LOOP"
.AZ "IF"
.AZ "ELSE"
.AZ "FI"
.HS 00
*--------------------------------------
CORE.Eval.TOKEN1
.AZ "!["
.AZ "["
.HS 00
CORE.Eval.TOKEN2
.AZ "-d"
.AZ "-e"
.AZ "-f"
.HS 00
CORE.Eval.TOKEN3
.AZ "="
.AZ "!="
.AZ "-eq"
.AZ "-ne"
.AZ "-lt"
.AZ "-le"
.AZ "-gt"
.AZ "-ge"
.HS 00
CORE.Eval.TOKEN3.BITS
.DA #%000
.DA #%000
.DA #%010
.DA #%101
.DA #%100
.DA #%110
.DA #%001
.DA #%011
CORE.Eval.TOKEN4
.AZ "+"
.AZ "-"
.AZ "*"
.AZ "div"
.AZ "mod"
.HS 00
*--------------------------------------
.INB USR/SRC/X.M32.S
.INB USR/SRC/X.ERRORS.S
*--------------------------------------
EscChars .AS 'DBAC'
EscChars.Cnt .EQ *-EscChars
M32.Printf .AZ "%L"
*--------------------------------------
.DUMMY
.OR 0
DS.START
CORE.STACK .BS CORE.STACK.MAX+1 pData (0 = Stack Ptr)
PUSHD.STACK .BS PUSHD.STACK.MAX+1
hFileBuf .BS 1 batch mode
hVarName .BS 1 read mode
bEscMode .BS 1
bPause .BS 1
bExit .BS 1
bSET.C .BS 1
bSET.X .BS 1
bECHO.N .BS 1
bREAD.S .BS 1
Sleep .BS 4
CL.hCLBuf .BS 1
CL.Ptr .BS 1
CL.Len .BS 1
CL.bExec .BS 1
CORE.IntCmd .BS 1
CORE.hArgVBuf .BS 1
CORE.ArgIndex .BS 1
CORE.Varname .BS 1
CORE.Test .BS 1
CORE.Operator .BS 1
CORE.PSFlags .BS 1
StatBuf .BS S.STAT
TimeBuf .BS S.TIME
HIS.hBuf .BS 1
HIS.Count .BS 1
HIS.Index .BS 1
IO.hIn .BS 1
IO.hOut .BS 1
IO.hErr .BS 1
*--------------------------------------
M32.BUF .BS 12 -1234567890\0
M32.ACC .BS 4
M32.ARG .BS 4
M32.TMP .BS 4
DS.END .ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SHELL.S
ASM
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