A2osX/BIN/SH.S.txt
2019-02-11 06:58:33 +00:00

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NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/SH
*--------------------------------------
History.MAX .EQ 256
CORE.STACK.MAX .EQ 64
PUSHD.STACK.MAX .EQ 8
*--------------------------------------
C.NOHUP .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
ZPInputBuf .BS 2
ZPInputBufPtr .BS 2
ZPInputCmdPtr .BS 2
ZPArgVBuf .BS 2
ZPArgVBufPtr .BS 2
ZPVarNamePtr .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.CMD .DA CMD
J.CMD .DA CMD.NOHUP
.DA CMD.CD
.DA CMD.DATE
.DA CMD.ECHO
.DA CMD.EXIT
.DA CMD.GETKEY
.DA CMD.MD
.DA CMD.PAUSE
.DA CMD.PWD
.DA CMD.RD
.DA CMD.READ
.DA CMD.REN
.DA CMD.SET
.DA CMD.SLEEP
.DA CMD.SHIFT
.DA CMD.TIME
.DA CMD.PUSHD
.DA CMD.POPD
.DA CMD.BREAK
.DA CMD.CONTINUE
.DA CMD.FOR
.DA CMD.NEXT
.DA CMD.WHILE
.DA CMD.LOOP
.DA CMD.IF
.DA CMD.ELSE
.DA CMD.FI
L.CORE.IO .DA CORE.IO
J.CORE.IO .DA CORE.IO.AMP
.DA CORE.IO.IN
.DA CORE.IO.OUTA
.DA CORE.IO.OUT
.DA CORE.IO.1OUTA
.DA CORE.IO.1OUT
.DA CORE.IO.2OUTA
.DA CORE.IO.2OUT
L.EXP.BEGIN .DA EXP.BEGIN
L.EXP.OP.UNARY .DA EXP.OP.UNARY
J.EXP.OP.UNARY .DA EXP.OP.UNARY.D
.DA EXP.OP.UNARY.E
.DA EXP.OP.UNARY.F
L.EXP.OP.BINARY .DA EXP.OP.BINARY
L.EXP.OP.MATH .DA EXP.OP.MATH
J.EXP.OP.MATH .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 CL.Init
jsr CORE.Init
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 hInputBuf
>SYSCALL GetMemPtr
>STYA ZPInputBuf
>STYA ZPInputBufPtr
lda #0
jsr CMD.SHIFTA Remove $0=/bin/shell
lda #$ff
>STA.G bBatchMode
bra CS.RUN.LOOP
*--------------------------------------
.1 jsr CMD.CD.HOME
jsr HIS.Init
bcs CS.INIT.RTS
>PUSHWI K.VER
>PUSHBI 2
>LDYA L.MSG.GREETINGS
>SYSCALL printf
bcs CS.INIT.RTS
bra CS.RUN.LOOP
>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 bBatchMode 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 bBatchMode 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 bBatchMode 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.bReady Something to execute ?
bpl .1
lda (ZPCLBuf)
beq .8 Empty line
jsr HIS.Add
>LDYA ZPCLBuf
>SYSCALL strdup
bcs .8
>STYA ZPInputBuf
>STYA ZPInputBufPtr
txa
>STA.G hInputBuf
.7 jsr CORE.Run
.8 jmp CS.RUN.LOOP.END
*--------------------------------------
CS.RUN.READ jsr CL.RESET
.1 >SLEEP
>SYSCALL GetChar
bcs .1 no char
jsr CL.CHARIN
>LDA.G CL.bReady
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 #$80
>STA.G bPause
clc
jmp CS.RUN.LOOP.END
.2 jsr CORE.Run
bcc .7
lda #$ff
>STA.G bExit
inc
clc
bra CS.RUN.LOOP.END
.7 >LDA.G bSET.X
* beq .8
* >PUSHW ZPArgVBuf
* >PUSHBI 2
* >LDYA L.MSG.TRACE
* >SYSCALL printf
* bcs .9
CS.RUN.LOOP.END ldy #S.PS.RC
sta (pPs),y
bcc CS.RUN.LOOP.8
tay
beq CS.RUN.LOOP.8
>LDA.G bBatchMode 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
>LDA.G hInputBuf
beq CS.RUN.LOOP.8
>SYSCALL FreeMem
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 CL.Quit
jsr CORE.Quit
clc
rts
*--------------------------------------
CheckSleep ldy #Sleep+3
lda (pData),y
dey
ora (pData),y
dey
ora (pData),y
dey
ora (pData),y
rts
*--------------------------------------
RemoveStrFromArgV
>STYA ZPPtr1
>STYA ZPPtr2
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 .8
sec
adc ZPPtr2
sta ZPPtr2
bcc .2
inc ZPPtr2+1
bra .2
.8 rts
*--------------------------------------
.INB USR/SRC/BIN/SH.S.CL
.INB USR/SRC/BIN/SH.S.HIS
.INB USR/SRC/BIN/SH.S.CORE
.INB USR/SRC/BIN/SH.S.IO
.INB USR/SRC/BIN/SH.S.CMD
.INB USR/SRC/BIN/SH.S.EXP
*--------------------------------------
CS.END
*--------------------------------------
MSG.GREETINGS .AZ "\r\nA2osX-SH %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"
*--------------------------------------
CMD .AZ "NOHUP"
.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
*--------------------------------------
* https://www.tldp.org/LDP/abs/html/io-redirection.html
*--------------------------------------
CORE.IO .AZ "&"
.AZ "<"
.AZ ">>"
.AZ ">"
.AZ "1>>"
.AZ "1>"
.AZ "2>>"
.AZ "2>"
.HS 00
*--------------------------------------
EXP.BEGIN .AZ "!["
.AZ "["
.HS 00
EXP.OP.UNARY .AZ "-d"
.AZ "-e"
.AZ "-f"
.HS 00
EXP.OP.BINARY .AZ "="
.AZ "!="
.AZ "-eq"
.AZ "-ne"
.AZ "-lt"
.AZ "-le"
.AZ "-gt"
.AZ "-ge"
.HS 00
EXP.OP.BINARY.BITS
.DA #%000
.DA #%000
.DA #%010
.DA #%101
.DA #%100
.DA #%110
.DA #%001
.DA #%011
EXP.OP.MATH .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
hInputBuf .BS 1 batch mode
hVarName .BS 1 read mode
bBatchMode .BS 1
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
StatBuf .BS S.STAT
TimeBuf .BS S.TIME
CL.hCLBuf .BS 1
CL.Ptr .BS 1
CL.Len .BS 1
CL.bReady .BS 1
CORE.IntCmd .BS 1
CORE.hArgVBuf .BS 1
CORE.ArgIndex .BS 1
CORE.Test .BS 1
CORE.Operator .BS 1
CORE.PSFlags .BS 1
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/SH.S
ASM