mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-12 04:29:31 +00:00
590 lines
11 KiB
Plaintext
590 lines
11 KiB
Plaintext
NEW
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PREFIX /A2OSX.BUILD
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF SBIN/SHELL
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*--------------------------------------
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CSH .EQ 0
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*--------------------------------------
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C.STARTPROC .EQ 0
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C.CD .EQ 2
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C.DATE .EQ 4
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C.ECHO .EQ 6
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C.EXIT .EQ 8
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C.IF .EQ 10
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C.MD .EQ 12
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C.PAUSE .EQ 14
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C.PWD .EQ 16
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C.RD .EQ 18
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C.READ .EQ 20
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C.SET .EQ 22
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C.SLEEP .EQ 24
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C.TIME .EQ 26
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*--------------------------------------
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C.ELSE .EQ 28
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C.FI .EQ 30
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/MLI.I
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.INB INC/MLI.E.I
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*--------------------------------------
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ZPPtr1 .EQ ZPBIN
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ZPPtr2 .EQ ZPBIN+2
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ZPPtr3 .EQ ZPBIN+4
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ZPCMDBuf .EQ ZPBIN+6
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ZPArgVBuf .EQ ZPBIN+8
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ZPFileBufPtr .EQ ZPBIN+10
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.DO CSH=1
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ZPCSHSymbols .EQ ZPBIN+12
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ZPCSHData .EQ ZPBIN+14
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ZPCSHValue .EQ ZPBIN+16
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ZPCSHStack .EQ ZPBIN+18
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.FIN
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*--------------------------------------
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CmdLine.MAX .EQ 127
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History.MAX .EQ 256
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CMD.IF.STACK.MAX .EQ 8
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA #S.PS.F.EVENT S.PS.F
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.DA #0
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.DA CS.END-CS.START CS
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.DA DS.END-DS.START DS
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.DA #64 SS
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.DO CSH=1
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.DA #20 ZP
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.ELSE
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.DA #12 ZP
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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*--------------------------------------
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L.MSG.GREETINGS .DA MSG.GREETINGS
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L.MSG.PROMPT .DA MSG.PROMPT
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L.MSG.TRACE .DA MSG.TRACE
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L.MSG.ECHOCRLF .DA MSG.ECHOCRLF
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L.MSG.BATCHERR .DA MSG.BATCHERR
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L.MSG.ERROR .DA MSG.ERROR
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L.MSG.PRINTENV .DA MSG.PRINTENV
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L.MSG.PID .DA MSG.PID
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L.ENV.PATH .DA ENV.PATH
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L.ENV.PWD .DA ENV.PWD
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L.ENV.PS1 .DA ENV.PS1
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L.ENV.HOME .DA ENV.HOME
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L.FMT.DATE .DA FMT.DATE
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L.FMT.TIME .DA FMT.TIME
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J.ESC .DA CL.BS left arrow
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.DA HIS.GetNext
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.DA HIS.GetPrev
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.DA CL.NAK right arow
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L.CL.IO .DA CL.IO
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J.CL.IO .DA CL.IO.AMP
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.DA CL.IO.PIPE
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.DA CL.IO.IN
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.DA CL.IO.OUTA
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.DA CL.IO.OUT
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.DA CL.IO.1OUTA
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.DA CL.IO.1OUT
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.DA CL.IO.2OUTA
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.DA CL.IO.2OUT
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L.CMD.INT .DA CMD.INT
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J.CMD.INT .DA Cmd.INT.STARTPROC
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.DA Cmd.INT.CD
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.DA Cmd.INT.DATE
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.DA Cmd.INT.ECHO
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.DA Cmd.INT.EXIT
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.DA Cmd.INT.IF
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.DA Cmd.INT.MD
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.DA Cmd.INT.PAUSE
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.DA Cmd.INT.PWD
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.DA Cmd.INT.RD
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.DA Cmd.INT.READ
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.DA Cmd.INT.SET
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.DA Cmd.INT.SLEEP
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.DA Cmd.INT.TIME
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.DA Cmd.INT.ELSE
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.DA Cmd.INT.FI
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L.CMD.IF.TOKEN1 .DA CMD.IF.TOKEN1
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L.CMD.IF.TOKEN2 .DA CMD.IF.TOKEN2
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J.CMD.IF.TOKEN2 .DA CMD.IF.D
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.DA CMD.IF.E
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.DA CMD.IF.F
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L.CMD.IF.TOKEN3 .DA CMD.IF.TOKEN3
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L.ERR.Codes .DA ERR.Codes
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L.ERR.Messages .DA ERR.Messages
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.DO CSH=1
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.INB /A2OSX.SRC/SBIN/SHELL.R.CSH
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.FIN
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.DA 0
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*--------------------------------------
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CS.INIT clc
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CS.INIT.RTS rts
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*--------------------------------------
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CS.RUN jsr SetPWD
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jsr CMD.Init
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bcs CS.INIT.RTS
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lda #1
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>SYSCALL ArgV
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bcs .1 no arg, continue starting interactive
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>SYSCALL LoadTxtFile
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bcs CS.INIT.RTS
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txa
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>STA.G hFileBuf
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>SYSCALL GetMemPtr
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>STYA ZPFileBufPtr
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.DO CSH=1
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jsr CSH.Init
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.FIN
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bra CS.RUN.LOOP
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.1 jsr HIS.Init
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bcs CS.INIT.RTS
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>PUSHWI K.VER
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>PUSHBI 2
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>LDYA L.MSG.GREETINGS
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>SYSCALL printf
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bcs CS.INIT.RTS
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*--------------------------------------
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CS.RUN.LOOP jsr CL.Reset
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jsr IO.Reset
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.1 jsr CheckSleep
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beq .3
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>SLEEP
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>SYSCALL GetChar
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bcs .2
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cmp #3 Ctrl-C
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bne .1
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>LDA.G hFileBuf batch mode ?
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bne .8
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bra .1
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.2 tay
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beq .1
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rts I/O err
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.3 >LDA.G bPause
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bpl .6
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.4 >SLEEP
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>SYSCALL GetChar
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bcc .5 got one
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tay
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beq .4 no char
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rts I/O err
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.5 cmp #3 Ctrl-C
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bne .60
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>LDA.G hFileBuf batch mode ?
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bne .8
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.60 cmp #C.CR
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bne .4
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>STZ.G bPause
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.6 >LDA.G hVarName read mode ?
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bne .7
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>LDA.G hFileBuf batch mode ?
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beq CS.RUN.INTERCATIVE
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jmp CS.RUN.BATCH
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.7 jmp CS.RUN.READ
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.8 lda #3 User Interrupt
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.9 sec
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rts
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*--------------------------------------
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CS.RUN.INTERCATIVE
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jsr CL.PrintPrompt
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bcs .9
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.1 >SLEEP
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>SYSCALL GetChar
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bcc .2
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tay
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beq .1 no char
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.9 rts I/O error
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.2 cmp #C.EOF ....or Ctrl-D
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beq .9 CS
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jsr CL.CHARIN
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>LDA.G CL.bExec Something to execute ?
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bpl .1
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lda (ZPCMDBuf)
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beq .8 Empty line
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jsr HIS.Add
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jmp CS.RUN.Exec
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.8 jmp CS.RUN.LOOP
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*--------------------------------------
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CS.RUN.READ
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.1 >SLEEP
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>SYSCALL GetChar
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bcs .1 no char
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jsr CL.CHARIN
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>LDA.G CL.bExec
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bpl .1
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lda (ZPCMDBuf)
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bne .2
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>LDA.G hVarName
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>SYSCALL GetMemPtr
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>SYSCALL UnSetEnv
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bra .7
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.2 >PUSHW ZPCMDBuf
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>LDA.G hVarName
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>SYSCALL GetMemPtr
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>SYSCALL SetEnv
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.7 php
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pha
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>LDA.G hVarName
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>SYSCALL freemem
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>STZ.G hVarName
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>STA.G bREAD.S
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pla
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plp
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.8 jmp CS.RUN.LOOP.END
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*--------------------------------------
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CS.RUN.BATCH >SYSCALL GetChar
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bcs .2
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cmp #3 test Ctrl-c
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bne .1
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* sec
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rts
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.1 cmp #19 test Ctrl-s
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bne .2
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lda #$80
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>STA.G bPause
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jmp CS.RUN.LOOP.END
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.2 .DO CSH=1
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jsr CSH.Run
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.ELSE
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jsr CL.GetLine
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.FIN
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bcc .7
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cmp #C.EOF
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bne .3
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lda #$ff
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>STA.G bExit
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inc
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clc
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bra CS.RUN.LOOP.END
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.3 sec
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bra CS.RUN.LOOP.END
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.7 >LDA.G CL.bExec
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bpl CS.RUN.LOOP.80
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lda (ZPCMDBuf)
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beq CS.RUN.LOOP.80
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jsr CL.Trace
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*--------------------------------------
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CS.RUN.Exec jsr CL.Parse
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bcs CS.RUN.LOOP.END
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lda (ZPArgVBuf)
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beq CS.RUN.LOOP.8
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jsr CMD.Exec
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*--------------------------------------
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CS.RUN.LOOP.END ldy #S.PS.RC
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sta (pPs),y
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bcc CS.RUN.LOOP.8
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>LDA.G hFileBuf batch mode ?
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beq .1
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jsr IO.PrintBatchErrMsg
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bcs CS.RUN.LOOP.RTS
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.1 ldy #S.PS.RC
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lda (pPs),y
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jsr IO.PrintErrMsg
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bcs CS.RUN.LOOP.RTS
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CS.RUN.LOOP.8 >LDA.G bExit
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beq CS.RUN.LOOP.80
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lda #0
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sec
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CS.RUN.LOOP.RTS rts
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CS.RUN.LOOP.80 jmp CS.RUN.LOOP
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*--------------------------------------
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CS.DOEVENT lda (pEvent)
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bpl .9
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jsr CheckSleep
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beq .9
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* ldy #Sleep already set by CheckSleep
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ldx #4
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clc
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.1 lda (pData),y
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sbc #0
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sta (pData),y
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iny
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dex
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bne .1
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.9 sec
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rts
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*--------------------------------------
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CS.QUIT .DO CSH=1
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jsr CSH.Quit
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.FIN
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jsr HIS.Quit
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jsr CMD.Quit
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clc
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rts
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*--------------------------------------
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CheckSleep ldy #Sleep+3
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lda (pData),y
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dey
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ora (pData),y
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dey
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ora (pData),y
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dey
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ora (pData),y
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rts
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*--------------------------------------
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SetPWD ldy #S.PS.hPREFIX
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lda (pPs),y
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SetPWD.I >SYSCALL GetMemPtr
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>PUSHYA
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>LDYA L.ENV.PWD
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>SYSCALL SetEnv
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rts
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*--------------------------------------
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Lookup >STYA ZPPtr2
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>PULLW ZPPtr1
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ldx #0
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.1 phx
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>PUSHW ZPPtr2
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>LDYA ZPPtr1
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>SYSCALL StrCaseCmp
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bcs .2
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plx
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>LDYA ZPPtr2
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clc
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rts
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.2 inc ZPPtr2
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bne .3
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inc ZPPtr2+1
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.3 lda (ZPPtr2)
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bne .2
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inc ZPPtr2
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bne .4
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inc ZPPtr2+1
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.4 plx
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inx
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inx
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lda (ZPPtr2) Array Ending 0, must be an external Cmd....
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bne .1
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sec
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rts
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*--------------------------------------
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.INB /A2OSX.SRC/SBIN/SHELL.S.CL
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.INB /A2OSX.SRC/SBIN/SHELL.S.CMD
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.INB /A2OSX.SRC/SBIN/SHELL.S.IO
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.INB /A2OSX.SRC/SBIN/SHELL.S.HIS
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.DO CSH=1
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.INB /A2OSX.SRC/SBIN/SHELL.S.CSH
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.FIN
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*--------------------------------------
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CS.END
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*--------------------------------------
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MSG.GREETINGS .AZ "\r\nA2osX-Shell %d.%d\r\n\r\n"
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MSG.PROMPT .AZ "\e[7h$ "
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MSG.TRACE .AS ">%s"
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MSG.ECHOCRLF .AZ "\r\n"
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MSG.BATCHERR .AZ "^\r\nLine #%D:"
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MSG.ERROR .AZ "[$%h]:%S.\r\n"
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MSG.PRINTENV .AZ "%s=%s\r\n"
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MSG.PID .AZ "PID=%d\r\n"
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FMT.DATE .AZ "%A (%w), %B %d %Y"
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FMT.TIME .AZ "%H:%M:%S (%I:%M:%S%p)"
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*--------------------------------------
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ENV.PATH .AZ "PATH"
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ENV.PWD .AZ "PWD"
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ENV.PS1 .AZ "PS1"
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ENV.HOME .AZ "HOME"
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*--------------------------------------
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* https://www.tldp.org/LDP/abs/html/io-redirection.html
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*--------------------------------------
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CL.IO .AZ "&"
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.AZ "|"
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.AZ "<"
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.AZ ">>"
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.AZ ">"
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.AZ "1>>"
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.AZ "1>"
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.AZ "2>>"
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.AZ "2>"
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.HS 00
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*--------------------------------------
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CMD.INT .AZ "STARTPROC"
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.AZ "CD"
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.AZ "DATE"
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.AZ "ECHO"
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.AZ "EXIT"
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.AZ "IF"
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.AZ "MD"
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.AZ "PAUSE"
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.AZ "PWD"
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.AZ "RD"
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.AZ "READ"
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.AZ "SET"
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.AZ "SLEEP"
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.AZ "TIME"
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.AZ "ELSE"
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.AZ "FI"
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.HS 00
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*--------------------------------------
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CMD.IF.TOKEN1 .AZ "!["
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.AZ "["
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.HS 00
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CMD.IF.TOKEN2 .AZ "-d"
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.AZ "-e"
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.AZ "-f"
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.HS 00
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CMD.IF.TOKEN3 .AZ "="
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.AZ "!="
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.AZ "-eq"
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.AZ "-ne"
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.AZ "-lt"
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.AZ "-le"
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.AZ "-gt"
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.AZ "-ge"
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.HS 00
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CMD.IF.TOKEN3.BITS
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.DA #%000
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.DA #%000
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.DA #%001
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.DA #%110
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.DA #%100
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.DA #%101
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.DA #%010
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.DA #%011
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*--------------------------------------
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.DO CSH=1
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.INB /A2OSX.SRC/SBIN/SHELL.C.CSH
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.FIN
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.INB /A2OSX.SRC/X.ERRORS.S
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*--------------------------------------
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EscChars .AS 'DBAC'
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EscChars.Cnt .EQ *-EscChars
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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hFileBuf .BS 1 batch mode
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hVarName .BS 1 read mode
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|
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bEscMode .BS 1
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bPause .BS 1
|
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bExit .BS 1
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bSET.X .BS 1
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bECHO.N .BS 1
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bREAD.S .BS 1
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||
|
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Sleep .BS 4
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|
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CL.Ptr .BS 1
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CL.Len .BS 1
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||
CL.bExec .BS 1
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||
|
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CMD.IntCmd .BS 1
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CMD.hCmdLine .BS 1
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CMD.hCmdBuf .BS 1
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CMD.hArgVBuf .BS 1
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||
|
||
CMD.ArgIndex .BS 1
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||
CMD.Operator .BS 1
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CMD.NumArg1 .BS 4
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CMD.NumArg2 .BS 4
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CMD.PSFlags .BS 1
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CMD.Stat .BS S.STAT
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CMD.Time .BS S.TIME
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CMD.IF.PTR .BS 1
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CMD.IF.STACK .BS CMD.IF.STACK.MAX
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|
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HIS.hBuf .BS 1
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HIS.Count .BS 1
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HIS.Index .BS 1
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IO.hIn .BS 1
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IO.hOut .BS 1
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IO.hErr .BS 1
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.DO CSH=1
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.INB /A2OSX.SRC/SBIN/SHELL.G.CSH
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.FIN
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DS.END .ED
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/SBIN/SHELL.S
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ASM
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