A2osX/BIN/SH.S.txt

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/sh
*--------------------------------------
HISCNT.MAX .EQ 10
HISBUF.MAX .EQ 256
CORE.STACK.MAX .EQ 128
PUSHD.STACK.MAX .EQ 4
CODE.STACK.MAX .EQ 4
*--------------------------------------
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.MD .EQ 7
C.PAUSE .EQ 8
C.PWD .EQ 9
C.RD .EQ 10
C.READ .EQ 11
C.REN .EQ 12
C.SET .EQ 13
C.SLEEP .EQ 14
C.SHIFT .EQ 15
C.PUSHD .EQ 16
C.POPD .EQ 17
C.FUNCTION .EQ 18
C.CALL .EQ 19
C.BREAK .EQ 20
C.SWITCH .EQ 21
C.CASE .EQ 22
C.DEFAULT .EQ 23
*--------------------------------------
C.FOR .EQ 24
C.FOR.LIST .EQ 0
C.FOR.FILEEXEC .EQ 1
C.WHILE .EQ 25
C.IF .EQ 26
C.NEXT .EQ 27
C.LOOP .EQ 28
C.ELSE .EQ 29
C.FI .EQ 30
C.END .EQ 31
C.ALIAS .EQ 32
*--------------------------------------
C.CLEXEC .EQ 63
*--------------------------------------
.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
CORE.PSFlags .BS 1
CORE.IntCmd .BS 1
CORE.Operator .BS 1
CORE.LogicOp .BS 1
CORE.TestResult .BS 1
CORE.PrevTestResult .BS 1
ZPTmpW .BS 2
ZPPtr1 .BS 2
ZPPtr2 .BS 2
LOAD.hCode .BS 1
LOAD.hArgs .BS 1
LOAD.ArgCnt .BS 1
bState .BS 1
bState.ExitOnEOF .EQ %10000000
bState.Pause .EQ %01000000
bState.PipeIn .EQ %00100000
bState.PipeOut .EQ %00010000
bState.SET.C .EQ %00000100
bState.SET.E .EQ %00000010
bState.SET.X .EQ %00000001
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.HIS .DA MSG.HIS
L.MSG.HISPROMPT .DA MSG.HISPROMPT
L.MSG.HISROMPTCLR .DA MSG.HISROMPTCLR
L.MSG.PROMPT .DA MSG.PROMPT
L.MSG.PROMPTCRLF .DA MSG.PROMPTCRLF
L.MSG.TRACE .DA MSG.TRACE
L.MSG.ECHOCRLF .DA MSG.ECHOCRLF
L.MSG.BATCHLINE .DA MSG.BATCHLINE
L.MSG.BATCHERR .DA MSG.BATCHERR
L.MSG.ERROR .DA MSG.ERROR
L.MSG.PID .DA MSG.PID
L.MSG.ALIAS .DA MSG.ALIAS
L.MSG.FS .DA MSG.FS
L.FMT.DATE .DA FMT.DATE
L.FMT.Long .DA FMT.Long
L.FMT.Byte .DA FMT.Byte
J.ESC .DA CL.BS
.DA HIS.GetPrev up
.DA HIS.GetNext down
.DA CL.FS
L.CD.. .DA CD..
L.IN .DA IN
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.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.PUSHD
.DA CMD.POPD
.DA CMD.FUNCTION
.DA CMD.CALL
.DA CMD.BREAK
.DA CMD.SWITCH
.DA CMD.CASE
.DA CMD.DEFAULT
.DA CMD.FOR
.DA CMD.WHILE
.DA CMD.IF
.DA CMD.NEXT
.DA CMD.LOOP
.DA CMD.ELSE
.DA CMD.FI
.DA CMD.END
.DA CMD.ALIAS
L.CORE.IO .DA CORE.IO
J.CORE.IO .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.I
.DA EXP.OP.UNARY.N
.DA EXP.OP.UNARY.X
.DA EXP.OP.UNARY.Z
L.EXP.OP.BINARY .DA EXP.OP.BINARY
L.EXP.OP.MATH .DA EXP.OP.MATH
L.EXP.OP.LOGIC .DA EXP.OP.LOGIC
L.HOME.PROFILE .DA HOME.PROFILE
L.PtrZero .DA PtrZero
L.PS1 .DA PS1
L.HOME .DA HOME
L.EXECC .DA EXECC
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN jsr CL.Init
jsr CORE.Init
* lda #0
* jsr GetArgV
* >STYA.G SH
ldy #S.PS.ARGC
lda (pPS),y
beq .2 no arg, continue starting interactive
lda #bState.ExitOnEOF
tsb bState
lda #0
jsr CMD.SHIFTA Remove $0 = /bin/sh
jsr GetArgV
>STYA ZPPtr1
lda (ZPPtr1)
cmp #'-'
bne .1
ldy #1
lda (ZPPtr1),y
jsr ToUpperCase
cmp #'C'
bne .19
iny
lda (ZPPtr1),y
bne .19
* lda #0
jsr CMD.SHIFTA Remove $0 = -C
jsr GetArgV
jmp CS.RUN.CMDLINE
.19 lda #E.CSYN
sec
rts
*--------------------------------------
.1 jsr GetArgV Load SH batch file
>SYSCALL LoadTxtFile
bcs .9
phx X = loaded file hMem
jsr GetArgV Y,A = Args
plx
jsr CMD..EXEC.YAX Execute . Batch file
bcc CS.RUN.LOOP
.9 rts
*--------------------------------------
.2 jsr CMD.CD.HOME
jsr HIS.Init
bcs .9
>PUSHW L.MSG.GREETINGS
>PUSHW A2osX.KVER
>PUSHBI 2
>SYSCALL PrintF
bcs .9
>LDYA L.HOME.PROFILE
>SYSCALL LoadTxtFile
bcs CS.RUN.LOOP No profile...
phx X = loaded file hMem
jsr GetArgV Y,A = Args
plx
jsr CMD..EXEC.YAX Execute . ${home}.profile
*--------------------------------------
CS.RUN.LOOP >SLEEP
.1 jsr CheckSleep
beq .3
ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL FEOF
bcs .9
tay
bne CS.RUN.LOOP
>SYSCALL GetChar
bcs .9 I/O err
cmp #3 Ctrl-C
bne CS.RUN.LOOP
lda (pData) batch mode ?
beq CS.RUN.LOOP
lda bState
and #bState.SET.C
bne CS.RUN.LOOP
.8 lda #3 User Interrupt
sec
.9 rts
*--------------------------------------
.3 lda bState
and #bState.Pause
beq .6
>SYSCALL GetChar
bcs .9 I/O err
cmp #3 Ctrl-C
bne .4
lda (pData) batch mode ?
beq .5
lda bState
and #bState.SET.C
beq .8
bra .5
.4 cmp #19 test Ctrl-S
bne .40
lda #bState.Pause
tsb bState
bra CS.RUN.LOOP
.40 cmp #C.CR
bne .5
jsr CheckLFAfterCR Check for any extra LF
bcs .9
.5 lda #bState.Pause
trb bState
*--------------------------------------
.6 lda (pData) batch mode ?
bne CS.RUN.BATCH
*--------------------------------------
CS.RUN.INTERACTIVE
jsr IO.Reset
jsr CL.Reset
jsr CL.ReadResetV
>STZ.G HIS.Ptr
jsr CL.PrintPrompt
bcs CS.RUN.CMDLINE.9
.1 >SYSCALL GetChar
bcs CS.RUN.CMDLINE.9 I/O error
.2 cmp #C.EOF ....or Ctrl-D
beq CS.RUN.CMDLINE.9 CS
jsr CL.CHARIN
>LDA.G CL.bReady Something to execute ?
bpl .1
>LDYA L.MSG.PROMPTCRLF
jsr IO.OutYA
bcs CS.RUN.CMDLINE.9
lda (ZPCLBuf)
beq CS.RUN.LOOP.END Empty line
jsr HIS.Add
>LDYA ZPCLBuf
CS.RUN.CMDLINE >SYSCALL StrDup
bcs CS.RUN.CMDLINE.9
phx
jsr GetArgV
plx Y,A=ARGV, X=strdup
jsr CORE.Load.YAX Exec CL
bcs CS.RUN.CMDLINE.9
lda #$C0+C.CLEXEC
jsr STK.Push
bra CS.RUN.LOOP.RUN
CS.RUN.CMDLINE.9
rts
*--------------------------------------
CS.RUN.BATCH lda bState
and #bState.SET.X
beq CS.RUN.LOOP.RUN
ldy #$ff
.3 iny
lda (ZPInputBufPtr),y
sta (ZPCLBuf),y
beq .4
eor #C.CR
bne .3
sta (ZPCLBuf),y
.4 >PUSHW L.MSG.TRACE
>PUSHW ZPCLBuf
>PUSHBI 2
>SYSCALL PrintF
bcs CS.RUN.LOOP.RTS
CS.RUN.LOOP.RUN jsr CORE.Run
CS.RUN.LOOP.END ldy #S.PS.RC
sta (pPS),y
bcc CS.RUN.LOOP.80
tay
beq CS.RUN.LOOP.80 0 = EOF
lda bState
and #bState.SET.E
bne CS.RUN.LOOP.80
.1 jsr STK.Get
bcs .8
cmp #$C0+C.CLEXEC
beq .8
cmp #$C0+C.. in . ?
beq .7
cmp #$C0+C.CALL in CALL ?
beq .7
jsr STK.PopCtx
bcc .1
.7 jsr IO.PrintBatchErrMsg
bcs CS.RUN.LOOP.RTS
jsr STK.Pull
jsr CMD.EXIT.FILE
.8 jsr IO.PrintErrMsg
bcs CS.RUN.LOOP.RTS
CS.RUN.LOOP.80 lda (pData) something on stack ?
bne CS.RUN.LOOP.88
lda bState
and #bState.ExitOnEOF
bne CS.RUN.LOOP.EXIT
CS.RUN.LOOP.88 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 CORE.FUNCRESET
>LDA.G hAliases
beq .10
>SYSCALL SListFree
.10 >LDA.G HIS.hBuf
beq .1
>SYSCALL StrVFree
.1 ldy #CL.hBuf
jsr .7
.2 jsr CMD.POPD
bcc .2
ldy #CORE.hArgVBuf
.7 lda (pData),y
beq .8
>SYSCALL FreeMem
.8 clc
rts
*--------------------------------------
GetCWD ldy #S.PS.hCWD
bra GetArgV.1
*--------------------------------------
GetArgV ldy #S.PS.hARGV
GetArgV.1 lda (pPS),y
>SYSCALL GetMemPtr
rts
*--------------------------------------
CheckLFAfterCR ldy #S.PS.hStdIn Check for any extra LF
lda (pPS),y
>SYSCALL FEOF
bcs .9
tay
bne .9
>SYSCALL GetChar
.9 rts
*--------------------------------------
CheckSleep ldy #Sleep+3
lda (pData),y
dey
ora (pData),y
dey
ora (pData),y
dey
ora (pData),y
rts
*--------------------------------------
GetPtr1NextChar lda (ZPPtr1)
beq IncPtr1.8
IncPtr1 inc ZPPtr1
bne IncPtr1.8
inc ZPPtr1+1
IncPtr1.8 rts
*--------------------------------------
GetPtr1LenY ldy #$ff
.1 iny
lda (ZPPtr1),y
bne .1
rts
*--------------------------------------
GetPtr1NextString
jsr GetPtr1LenY
*--------------------------------------
tya
AddAp1Ptr1 sec
adc ZPPtr1
sta ZPPtr1
bcc .8
inc ZPPtr1+1
.8 rts
*--------------------------------------
ToUpperCase cmp #'a'
bcc .8
cmp #'z'+1
bcs .8
eor #$20
.8 clc exit CC to allow Jmp to
rts
*--------------------------------------
IncPStack4 inc pStack
IncPStack3 inc pStack
inc pStack
inc pStack
rts
*--------------------------------------
.INB usr/src/bin/sh.s.cl
.INB usr/src/bin/sh.s.cmd
.INB usr/src/bin/sh.s.core
.INB usr/src/bin/sh.s.exp
.INB usr/src/bin/sh.s.his
.INB usr/src/bin/sh.s.io
.INB usr/src/bin/sh.s.stk
*--------------------------------------
CS.END
*--------------------------------------
MSG.GREETINGS .CZ "\r\nA2osX-SH %d.%d\r\n\r\n"
MSG.HIS .CZ "\r\n%3d : %s"
MSG.HISPROMPT .CZ "\r\n\r\n? "
MSG.HISROMPTCLR .CZ "\b\b"
MSG.PROMPT .CZ "\e[?7h$ " Enable Line Wrap
MSG.PROMPTCRLF .CZ "\e[?7l\r\n" Disable Line Wrap
MSG.TRACE .CS ">"
MSG.BATCHLINE .CZ "%s\r\n"
MSG.BATCHERR .CZ "%s^\r\nLine #%D:"
MSG.ERROR .CS "[$%h]:%s."
MSG.ECHOCRLF .CZ "\r\n"
MSG.PID .CZ "PID=%d\r\n"
MSG.ALIAS .CZ '%s = "%s"\r\n'
MSG.FS .CZ "\e[C"
*--------------------------------------
FMT.DATE .AZ "%A, %B %d %Y %H:%M:%S"
FMT.Long .AZ "%L"
FMT.Byte .AZ "%d"
*--------------------------------------
HOME.PROFILE .AS "${HOME}.profile"
PtrZero .HS 00
PS1 .AZ "${PS1}"
HOME .AZ "${HOME}"
EXECC .AZ "%s -C %s"
*--------------------------------------
IN.EscChars .AS "DABC"
IN.EscCharsCnt .EQ *-IN.EscChars
IN.EscCodes .DA #C.BS,#C.VT,#C.LF,#21
*--------------------------------------
* \e[1~ - Home
* \e[2~ - Insert
* \e[3~ - Delete
* \e[4~ - End
* \e[5~ - PgUp
* \e[6~ - PgDn
*--------------------------------------
OUT.EscChars .AS "abefnrtv"
.HS 5C27223F \'"?
OUT.EscCharsCnt .EQ *-OUT.EscChars
OUT.EscCodes .HS 07081B0C0A0D090B
.HS 5C27223F
*--------------------------------------
CD.. .AZ ".."
*--------------------------------------
IN .AZ "IN"
*--------------------------------------
CMD .AT ".."
.AT "."
.AT "CD"
.AT "NOHUP"
.AT "DATE"
.AT "ECHO"
.AT "EXIT"
.AT "MD"
.AT "PAUSE"
.AT "PWD"
.AT "RD"
.AT "READ"
.AT "REN"
.AT "SET"
.AT "SLEEP"
.AT "SHIFT"
.AT "PUSHD"
.AT "POPD"
.AT "FUNCTION"
.AT "CALL"
.AT "BREAK"
.AT "SWITCH"
.AT "CASE"
.AT "DEFAULT"
.AT "FOR"
.AT "WHILE"
.AT "IF"
.AT "NEXT"
.AT "LOOP"
.AT "ELSE"
.AT "FI"
.AT "END"
.AT "ALIAS"
.HS 00
CORE.IO .AT "<"
.AT ">>"
.AT ">"
.AT "1>>"
.AT "1>"
.AT "2>>"
.AT "2>"
.HS 00
EXP.BEGIN .AT "!["
.AT "["
.HS 00
EXP.OP.UNARY .AT "-D"
.AT "-E"
.AT "-F"
.AT "-I"
.AT "-N"
.AT "-X"
.AT "-Z"
.HS 00
EXP.OP.BINARY .AT "-LT"
.AT "-LE"
.AT "-GT"
.AT "-GE"
.AT "-EQ"
.AT "-NE"
.AT ".<"
.AT "<="
.AT ".>"
.AT ">="
.AT "="
.AT "!="
.HS 00
EXP.OP.MATH .AT "*"
.AT "/"
.AT "MOD"
.AT "+"
.AT "-"
.HS 00
EXP.OP.LOGIC .AT "AND"
.AT "OR"
.HS 00
*--------------------------------------
EXP.OP.BINARY.BITS
.DA #%100
.DA #%110
.DA #%001
.DA #%011
.DA #%010
.DA #%101
*--------------------------------------
EXP.OP.MATH.FPU .DA #FPU.lMUL,#FPU.lDIV,#FPU.lMOD,#FPU.lADD,#FPU.lSUB
*--------------------------------------
SET.FLAGS .AS "CEX"
SET.VARS .DA #bState.SET.C,#bState.SET.E,#bState.SET.X
*--------------------------------------
.DUMMY
.OR 0
DS.START
CORE.STACK .BS CORE.STACK.MAX+1 pData (0 = Stack Ptr)
PUSHD.STACK .BS PUSHD.STACK.MAX+1
CODE.STACK .BS CODE.STACK.MAX*7+1
*SH .BS 2
hAliases .BS 1
hFunctions .BS 1
CORE.hArgVBuf .BS 1
CL.hBuf .BS 1
CL.Ptr .BS 1
CL.Len .BS 1
CL.bReady .BS 1
CL.bEscMode .BS 1
CL.MaxCnt .BS 1
CL.bSilent .BS 1
HIS.hBuf .BS 1
HIS.Count .BS 1
HIS.Ptr .BS 1
HIS.Head .BS 1
IO.hIn .BS 1
IO.hOut .BS 1
IO.hErr .BS 1
Sleep .BS 4
*TimeBuf .BS S.TIME 8 bytes
*M32.BUF .BS 12 -1234567890\0
TimeBuf .EQ *
M32.BUF .EQ *
IO.FIFONAME .BS 12 /dev/fifoXX\0
*--------------------------------------
DS.END .ED
*--------------------------------------
MAN
SAVE usr/src/bin/sh.s
ASM