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A2osX/BIN/SH.S.txt
Rémy GIBERT 74c56186b4 Kernel 0.93
2019-05-03 15:08:12 +02:00

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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 128
PUSHD.STACK.MAX .EQ 8
*--------------------------------------
C... .EQ 0
C.. .EQ 1
C.CD .EQ 2
C.NOHUP .EQ 3
C.DATE .EQ 4
C.ECHO .EQ 5
C.EXIT .EQ 6
C.GETKEY .EQ 7
C.MD .EQ 8
C.PAUSE .EQ 9
C.PWD .EQ 10
C.RD .EQ 11
C.READ .EQ 12
C.REN .EQ 13
C.SET .EQ 14
C.SLEEP .EQ 15
C.SHIFT .EQ 16
C.TIME .EQ 17
C.PUSHD .EQ 18
C.POPD .EQ 19
C.FUNC .EQ 20
C.CALL .EQ 21
C.BREAK .EQ 22
C.SWITCH .EQ 23
C.CASE .EQ 24
C.DEFAULT .EQ 25
C.END .EQ 26
*--------------------------------------
C.FOR .EQ 27
C.FOR.LIST .EQ 0
C.FOR.FILE .EQ 2
C.FOR.EXEC .EQ 4
C.WHILE .EQ 28
C.IF .EQ 29
C.NEXT .EQ 30
C.LOOP .EQ 31
C.ELSE .EQ 32
C.FI .EQ 33
*--------------------------------------
E.CSYN .EQ $C0
E.ESYN .EQ $C1
E.STACKERROR .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
E.FUNDEF .EQ $C7
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/MLI.I
.INB INC/MLI.E.I
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPCLBuf .BS 2
ZPInputBuf .BS 2
ZPInputBufPtr .BS 2
ZPInputCmdPtr .BS 2
ZPArgVBuf .BS 2
ZPArgVBufPrev .BS 2
ZPArgVBufPtr .BS 2
ZPVarNamePtr .BS 2
M32.ACC .BS 4
M32.ARG .BS 4
M32.TMP .BS 4
ZPPtr1 .BS 2
ZPPtr2 .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.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...
.DA CMD..
.DA CMD.CD
.DA CMD.NOHUP
.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.FUNC
.DA CMD.CALL
.DA CMD.BREAK
.DA CMD.SWITCH
.DA CMD.CASE
.DA CMD.DEFAULT
.DA CMD.END
.DA CMD.FOR
.DA CMD.WHILE
.DA CMD.IF
.DA CMD.NEXT
.DA CMD.LOOP
.DA CMD.ELSE
.DA CMD.FI
J.NEXT .DA CMD.NEXT.LIST
.DA CMD.NEXT.FILE
.DA CMD.NEXT.EXEC
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
.DA EXP.OP.UNARY.N
.DA EXP.OP.UNARY.Z
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.EXP.OP.LOGIC .DA EXP.OP.LOGIC
L.HOME .DA HOME
L.HOME.PROFILE .DA HOME.PROFILE
L.PS1 .DA PS1
L.M32.Printf .DA M32.Printf
L.ERR.Codes .DA ERR.Codes
L.ERR.Messages .DA ERR.Messages
L.NOD.Template .DA NOD.Template
.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
lda #$ff
>STA.G bExitOnEOF
lda #0
jsr CMD.SHIFTA Remove $0=/bin/sh
ldy #S.PS.hARGV
lda (pPS),y
>SYSCALL GetMemPtr
jsr IO.Load
bcs CS.INIT.RTS
phx
ldy #S.PS.hARGV
lda (pPS),y
>SYSCALL GetMemPtr
plx
jsr CMD.CALL.YAX
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
>PUSHEA.G StatBuf
>LDYA L.HOME.PROFILE
>SYSCALL STAT
bcs CS.RUN.LOOP no profile...
>LDYA L.HOME.PROFILE
jsr IO.Load
bcs CS.RUN.LOOP
>LDYA L.HOME.PROFILE
jsr CMD.CALL.YAX exec profile and continue
* bcs CS.RUN.LOOP
*--------------------------------------
CS.RUN.LOOP >SLEEP
.1 jsr CheckSleep
beq .3
>LDA.G bSET.C
bne CS.RUN.LOOP
ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL feof
bcs .9
tay
beq CS.RUN.LOOP
>SYSCALL GetChar
bcs .9 I/O err
cmp #3 Ctrl-C
bne CS.RUN.LOOP
lda (pData) batch mode ?
beq CS.RUN.LOOP
>LDA.G bSET.C
beq .8
bra CS.RUN.LOOP
.3 >LDA.G bPause
bpl .6
.4 >SYSCALL GetChar
bcs .9 I/O err
.5 cmp #3 Ctrl-C
bne .60
lda (pData) batch mode ?
beq .61
>LDA.G bSET.C
beq .8
bra .61
.60 tax
>LDA.G bPause
asl
bpl .61 not from PAUSE command
cpx #C.CR
bne .4
.61 >STZ.G bPause
bra .62
.6 >LDA.G bReadMode read mode ?
bne .7
.62 lda (pData) batch mode ?
beq CS.RUN.INTERACTIVE
jmp CS.RUN.BATCH
.7 jmp CS.RUN.READ
.8 lda #3 User Interrupt
sec
.9 rts
*--------------------------------------
CS.RUN.INTERACTIVE
>LDA.G bExitOnEOF
beq .10
jmp CS.RUN.LOOP.EXIT
.10 jsr IO.Reset
jsr CL.Reset
jsr CL.PrintPrompt
bcs .9
.1 >SYSCALL GetChar
bcs .9 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
>PUSHBI 0
>LDYA L.MSG.ECHOCRLF
>SYSCALL printf
bcs .9
lda (ZPCLBuf)
beq .8 Empty line
jsr HIS.Add
>LDYA ZPCLBuf
>SYSCALL strdup
bcs .8
phx
ldy #S.PS.hARGV
lda (pPS),y
>SYSCALL GetMemPtr Y,A =ARGV
plx
jsr CMD.CALL.YAX X = Copy of CL
.6 jsr CORE.Run
.8 jmp CS.RUN.LOOP.END
.9 rts
*--------------------------------------
CS.RUN.READ jsr CL.RESET
.1 >SYSCALL GetChar
bcs CS.RUN.READ.9
jsr CL.CHARIN
>LDA.G CL.bReady
bpl .1
lda (ZPCLBuf)
bne .2
>LDYA ZPVarNamePtr
>SYSCALL UnSetEnv
bra .7
.2 >PUSHW ZPCLBuf
>LDYA ZPVarNamePtr
>SYSCALL SetEnv
.7 php
pha
>STZ.G bReadMode
>STA.G bREAD.S
pla
plp
.8 jmp CS.RUN.LOOP.END
CS.RUN.READ.9 rts
*--------------------------------------
CS.RUN.BATCH >LDA.G bSET.C
bne .2
ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL feof
bcs .2 unsupported
tay
bne .2
>SYSCALL GetChar
bcs CS.RUN.READ.9
cmp #3 test Ctrl-c
bne .1
bra CS.RUN.LOOP.END CS
.1 cmp #19 test Ctrl-s
bne .2
lda #$80
>STA.G bPause
clc
jmp CS.RUN.LOOP.END
.2 >LDA.G bSET.X
beq .5
ldy #$ff
.3 iny
lda (ZPInputBufPtr),y
sta (ZPArgVBuf),y
beq .4
eor #C.CR
bne .3
sta (ZPArgVBuf),y
.4 >PUSHW ZPArgVBuf
>PUSHBI 2
>LDYA L.MSG.TRACE
>SYSCALL printf
bcs CS.RUN.LOOP.RTS
.5 jsr CORE.Run
bcc CS.RUN.LOOP.END
tay 0 = EOF
bne CS.RUN.LOOP.END
lda #0
sec
CS.RUN.LOOP.END ldy #S.PS.RC
sta (pPs),y
bcc CS.RUN.LOOP.80
tay
beq CS.RUN.LOOP.80
>LDA.G bSET.E
bmi CS.RUN.LOOP.80
jsr IO.PrintBatchErrMsg
bcs CS.RUN.LOOP.RTS
ldy #S.PS.RC
lda (pPs),y
jsr IO.PrintErrMsg
bcs CS.RUN.LOOP.RTS
CS.RUN.LOOP.80 lda (pData)
bne .8
>LDA.G bExitOnEOF
bmi CS.RUN.LOOP.EXIT
.8 jmp CS.RUN.LOOP
CS.RUN.LOOP.EXIT
ldy #S.PS.RC
lda (pPs),y
sec
CS.RUN.LOOP.RTS rts
*--------------------------------------
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
*--------------------------------------
ToUpperCase cmp #'a'
bcc .8
cmp #'z'+1
bcs .8
eor #$20
.8 clc exit CC to allow Jmp to
rts
*--------------------------------------
.INB USR/SRC/BIN/SH.S.CL
.INB USR/SRC/BIN/SH.S.HIS
.INB USR/SRC/BIN/SH.S.CORE
.INB USR/SRC/BIN/SH.S.IO
.INB USR/SRC/BIN/SH.S.CMD
.INB USR/SRC/BIN/SH.S.EXP
*--------------------------------------
CS.END
*--------------------------------------
MSG.GREETINGS .AZ "\r\nA2osX-SH %d.%d\r\n\r\n"
MSG.PROMPT .AZ "\e[7h$ "
MSG.TRACE .AZ ">%s\r\n"
MSG.BATCHERR .AZ "^\r\nLine #%D:"
MSG.ERROR .AS "[$%h]:%S."
MSG.ECHOCRLF .AZ "\r\n"
MSG.PRINTENV .AZ "%s = %s\r\n"
MSG.PID .AZ "PID=%d\r\n"
FMT.DATE .AZ "%A (%w), %B %d %Y"
FMT.TIME .AZ "%H:%M:%S (%I:%M:%S%p)"
FMT.GETKEY .AZ "%d"
*--------------------------------------
HOME .AZ "${HOME}"
HOME.PROFILE .AZ "${HOME}PROFILE"
PS1 .AZ "${PS1}"
.HS 00 To Make It ArgV
*--------------------------------------
CMD .AZ ".."
.AZ "."
.AZ "CD"
.AZ "NOHUP"
.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 "FUNC"
.AZ "CALL"
.AZ "BREAK"
.AZ "SWITCH"
.AZ "CASE"
.AZ "DEFAULT"
.AZ "END"
.AZ "FOR"
.AZ "WHILE"
.AZ "IF"
.AZ "NEXT"
.AZ "LOOP"
.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"
.AZ "-N"
.AZ "-Z"
.HS 00
EXP.OP.BINARY .AZ "="
.AZ "!="
.AZ ".<"
.AZ "<="
.AZ ".>"
.AZ ">="
.AZ "-EQ"
.AZ "-NE"
.AZ "-LT"
.AZ "-LE"
.AZ "-GT"
.AZ "-GE"
.HS 00
EXP.OP.BINARY.BITS
.DA #%010
.DA #%101
.DA #%100
.DA #%110
.DA #%001
.DA #%011
.DA #%010
.DA #%101
.DA #%100
.DA #%110
.DA #%001
.DA #%011
EXP.OP.MATH .AZ "+"
.AZ "-"
.AZ "*"
.AZ "/"
.AZ "MOD"
.HS 00
EXP.OP.LOGIC .AZ "AND"
.AZ "OR"
.HS 00
*--------------------------------------
.INB USR/SRC/SHARED/X.M32.S
.INB USR/SRC/SHARED/X.ERRORS.S
*--------------------------------------
EscChars .AS 'DBAC'
EscChars.Cnt .EQ *-EscChars
NOD.Template .AZ "/DEV/PIPE%h"
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
hFuncList .BS 1
bReadMode .BS 1
bFuncMode .BS 1
bExitOnEOF .BS 1
bEscMode .BS 1
bPause .BS 1
bSET.C .BS 1
bSET.E .BS 1
bSET.X .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.PSFlags .BS 1
CORE.ArgIndex .BS 1
CORE.Test .BS 1
CORE.TestOp .BS 1
CORE.TestArg .BS 1
CORE.Operator .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
IO.hPipe .BS 1
IO.NodBuf .BS 12 /DEV/PIPExx\0
*--------------------------------------
M32.BUF .BS 12 -1234567890\0
DS.END .ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SH.S
ASM
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