mirror of
https://github.com/A2osX/A2osX.git
synced 2024-07-05 21:28:59 +00:00
614 lines
11 KiB
Plaintext
614 lines
11 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BUILD/SBIN/SHELL
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*--------------------------------------
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.INB /A2OSX.BUILD/INC/MACROS.I
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.INB /A2OSX.BUILD/INC/A2OSX.I
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.INB /A2OSX.BUILD/INC/MLI.ERR.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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ZPBufBase .EQ ZPBIN+8
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ZPBufPtr .EQ ZPBIN+10
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ZPBufEnd .EQ ZPBIN+12
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ZPCSHStack .EQ ZPBIN+14
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*--------------------------------------
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CmdLine.MAX .EQ 127
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VarLen.MAX .EQ 15
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CSH.Stack.MAX .EQ 15
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CSHERR.SYNTAX .EQ $7F
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CSHERR.SOVERFLW .EQ $7E
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CSHERR.NOVERFLW .EQ $7D
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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 0
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.DA CS.END-CS.START Code Length To Relocate
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.DA DS.END-DS.START Data Segment to Allocate
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.DA 0
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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.ECHO .DA MSG.ECHO
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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.CSHERR .DA MSG.CSHERR
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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.CMD .DA CMD
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L.ARGS .DA ARGS
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L.TIME .DA TIME
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L.STAT .DA STAT
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L.FMT.DATE .DA FMT.DATE
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L.FMT.TIME .DA FMT.TIME
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L.INTCMDS .DA INTCMDS
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J.INTCMDS .DA Cmd.Exec.CD
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.DA Cmd.Exec.DATE
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.DA Cmd.Exec.ECHO
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.DA Cmd.Exec.EXIT
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.DA Cmd.Exec.PAUSE
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.DA Cmd.Exec.PWD
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.DA Cmd.Exec.READ
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.DA Cmd.Exec.SET
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.DA Cmd.Exec.STARTPROC
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.DA Cmd.Exec.TIME
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L.CSHCMDS .DA CSHCMDS
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J.CSHCMDS .DA CSH.IF
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.DA CSH.WHILE
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.DA CSH.BREAK
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.DA CSH.CONTINUE
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J.CSHCMDS.END .DA CSH.IF.END
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.DA CSH.WHILE.END
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L.ERR.Codes .DA ERR.Codes
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L.ERR.Messages .DA ERR.Messages
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.DA 0
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*--------------------------------------
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CS.INIT jsr SetPWD
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* lda (pPs)
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* ora #S.PS.F.EVENT Now accept events
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* sta (pPs)
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>SYSCALL GetArgC
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cmp #1
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beq .1 no arg, continue starting interactive
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>PUSHWI 0 Aux type
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>PUSHBI 4 S.FILEINFO.TYPE.TXT
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>PUSHBI SYS.FOpen.R
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lda #1
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>SYSCALL GetArgA
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>PUSHYA
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>SYSCALL LoadFile
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bcs .9
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phy
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ldy #CSH.BufLen+1
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sta (pData),y
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dey
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pla
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sta (pData),y
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txa
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ldy #CSH.hBuf
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sta (pData),y
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ldy #bExitOnEOF
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lda #$FF
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sta (pData),y
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jmp CSH.Reset
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.1 jsr HIS.Init
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bcs .9
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>LDYA L.MSG.GREETINGS
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>SYSCALL PPrintFYA
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* clc
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.9 rts
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*--------------------------------------
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CS.RUN ldy #bPause
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lda (pData),y
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bmi .8
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ldy #VarBuffer READ Command ?
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lda (pData),y
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bne CS.RUN.READ
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ldy #S.PS.RC
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lda (pPs),y
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beq .11
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jsr ERR.Print
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bcs CS.RUN.EXIT.RTS
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.11 ldy #CSH.hBuf batch mode ?
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lda (pData),y
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beq .10
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jmp CS.RUN.BATCH
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.10 lda #0
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sta (pData)
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ldy #bSecureRead
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sta (pData),y
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.12 jsr PrintPrompt
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bcs CS.RUN.EXIT.RTS
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.1 >SYSCALL Sleep
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>SYSCALL GetC
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bcs .1 no char
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jsr CS.CHARIN
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lda (pData)
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bpl .1
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and #$7F
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sta (pData)
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jsr CmdBuffer.Normalize
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lda (pData)
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beq .12 Empty line
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jsr HIS.Add
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>LDYA pData
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jsr Cmd.ExecYA
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ldy #S.PS.RC
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sta (pPs),y
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.8 ldy #bEXIT
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lda (pData),y
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bne CS.RUN.EXIT
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clc
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rts
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CS.RUN.EXIT lda #0
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CS.RUN.EXIT.ERR sec
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CS.RUN.EXIT.RTS rts
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*--------------------------------------
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CS.RUN.READ lda #0
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sta (pData)
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.1 >SYSCALL Sleep
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>SYSCALL GetC
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bcs .1 no char
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jsr CS.CHARIN
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lda (pData)
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bpl .1
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and #$7F
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sta (pData)
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>PUSHW pData
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lda #VarBuffer
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clc
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adc pData
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tay
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lda pData+1
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adc #0
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>PUSHYA
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>SYSCALL SetEnv
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php
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pha
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ldy #VarBuffer
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lda #0
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sta (pData),y
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pla
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plp
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rts
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*--------------------------------------
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CS.RUN.BATCH jsr CSH.Exec
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bcs .9
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jsr CmdBuffer.Normalize
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lda (pData)
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beq .8 Empty line....nothing to do....
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>LDYA pData
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jsr Cmd.ExecYA
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.8 ldy #S.PS.RC
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sta (pPs),y
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clc
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rts
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.9 cmp #MLI.ERR.EOF
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beq .98
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pha
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ldy #CSH.BufPtr+1
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>PUSHB (pData),y
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dey
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>PUSHB (pData),y
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>LDYA L.MSG.CSHERR
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>SYSCALL PPrintFYA
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.90 jsr CSH.GetChar
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bcs .91
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>SYSCALL PutCA
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jsr CSH.GetNextChar
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bcs .91
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cmp #13
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beq .91
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>SYSCALL PutCA
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bra .90
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.91 pla
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bra .99
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.98 lda #0
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.99 ldy #S.PS.RC
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sta (pPs),y
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pha
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ldy #bExitOnEOF
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lda (pData),y
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asl CS if bExitOnEOF
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pla
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rts
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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CS.CHARIN tax
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ldy #CSH.hBuf Batch mode ?
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lda (pData),y
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beq .10
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* Batch Mode
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cpx #3 test Ctrl-c
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bne .12
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ldy #bExitOnEOF
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lda (pData),y
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ldy #bExit
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sta (pData),y
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clc
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rts
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.12 cpx #19 test Ctrl-s
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bne .8
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ldy #bPause
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lda #$80
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sta (pData),y
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clc
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rts
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* interactive mode
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.10 ldy #bEscMode
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lda (pData),y
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beq .13
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cpx #'['
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beq .8
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lda #0
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sta (pData),y
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txa
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ldx EscChars
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.17 cmp EscChars,x
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beq .18
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dex
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bne .17
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bra .8
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.18 lda EscAscii,x
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tax
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.13 cpx #$20
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bcs .1
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jsr CS.CHARIN.CTRL
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bra .8
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.1 cpx #$7f
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bne .2
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jsr CmdBuffer.DEL
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clc
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rts
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.2 lda (pData) CmdBuffer
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cmp #CmdLine.MAX
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beq .8
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inc
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sta (pData)
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tay
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txa
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sta (pData),y
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tax
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ldy #bSecureRead
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lda (pData),y
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bne .8
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txa
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>SYSCALL PutCA
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.8 clc
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rts
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*--------------------------------------
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CS.CHARIN.CTRL cpx #13 CR
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bne .10
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txa
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>SYSCALL PutCA
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lda #10
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>SYSCALL PutCA
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lda (pData) CmdBuffer
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ora #$80
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sta (pData)
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clc
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rts
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.10 cpx #$1B esc
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bne .11
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ldy #bEscMode
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lda #$ff
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sta (pData),y
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clc
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rts
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.11 cpx #3 Ctrl-C
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bne .1
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jsr CmdBuffer.CLR
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clc
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rts
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.1 cpx #8 BS (left arrow)
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bne .2
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jsr CmdBuffer.DEL
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clc
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rts
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.2 cpx #10 LF (down arrow)
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bne .3
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jsr HIS.GetNext
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clc
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rts
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.3 cpx #11 VT (up arrow)
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bne .4
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jsr HIS.GetPrev
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clc
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rts
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.4 cpx #21 NAK (right arrow)
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bne .8
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clc
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rts
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.8 clc
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rts
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*--------------------------------------
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CS.QUIT jsr HIS.Quit
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ldy #CSH.hBuf
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lda (pData),y
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beq .1
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>SYSCALL FreeMemA
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.1 ldy #CSH.hStack
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lda (pData),y
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beq .8
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>SYSCALL FreeMemA
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.8 clc
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rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
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SetPWD ldy #S.PS.hPREFIX
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lda (pPs),y
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>SYSCALL GetMemPtrA
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>PUSHYA
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>PUSHW L.ENV.PWD
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>SYSCALL SetEnv
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rts
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*--------------------------------------
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PrintPrompt >LDYA L.ENV.PS1
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>SYSCALL GetEnvYA
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>SYSCALL ExpandPStrYA
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phx
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>PUSHYA
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>LDYA L.MSG.PROMPT
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>SYSCALL PPrintFYA
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plx
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php
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pha
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txa
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>SYSCALL FreeMemA
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pla
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plp
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.9 rts
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*--------------------------------------
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* Remove extra SPACE & comment
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*--------------------------------------
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CmdBuffer.Normalize
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>LDYA pData
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>STYA ZPPtr1
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lda (pData) empty line...quit
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beq .9
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tax Char count
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ldy #0
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.1 jsr CmdBuffer.Normalize.Next
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beq .8 no more char, exit
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cmp #' ' skip leading spaces
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beq .1
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cmp #'#' Comment ?
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beq .8 ignore remaining chars
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.3 iny add char to buffer
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sta (pData),y
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jsr CmdBuffer.Normalize.Next
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beq .8
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cmp #' '
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bne .3
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iny add One SPACE to buffer
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sta (pData),y
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.5 jsr CmdBuffer.Normalize.Next
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beq .8
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cmp #' '
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beq .5 skip additional spaces
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bne .3 no more space, add next word...
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.8 tya
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sta (pData)
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.9 rts
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CmdBuffer.Normalize.Next
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txa
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beq .8
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dex
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inc ZPPtr1
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bne .1
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inc ZPPtr1+1
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.1 lda (ZPPtr1)
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.8 rts
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*--------------------------------------
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CmdBuffer.CLR jsr CmdBuffer.DEL
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bne CmdBuffer.CLR
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rts
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*--------------------------------------
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CmdBuffer.DEL lda (pData)
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beq .9
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lda #8
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>SYSCALL PutCA
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lda (pData)
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dec
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sta (pData)
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.9 rts
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*--------------------------------------
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.INB /A2OSX.SRC/SBIN/SHELL.S.CMD
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.INB /A2OSX.SRC/SBIN/SHELL.S.CSH
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.INB /A2OSX.SRC/SBIN/SHELL.S.ERR
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.INB /A2OSX.SRC/SBIN/SHELL.S.HIS
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*--------------------------------------
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CS.END
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*--------------------------------------
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ENV.PATH >PSTR "PATH"
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ENV.PWD >PSTR "PWD"
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ENV.PS1 >PSTR "PS1"
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INTCMDS >PSTR "CD"
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>PSTR "DATE"
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>PSTR "ECHO"
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>PSTR "EXIT"
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>PSTR "PAUSE"
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>PSTR "PWD"
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>PSTR "READ"
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>PSTR "SET"
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>PSTR "STARTPROC"
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>PSTR "TIME"
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.HS 00
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CSHCMDS >PSTR "IF"
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>PSTR "WHILE"
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>PSTR "BREAK"
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>PSTR "CONTINUE"
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.HS 00
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*--------------------------------------
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MSG.GREETINGS >PSTR "\r\nA2osX-Shell\r\n\r\n"
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MSG.PROMPT >PSTR "%S$ "
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MSG.ECHO >PSTR ">%S\r\n"
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MSG.ERROR >PSTR "Err:%S [%h]\r\n"
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MSG.PRINTENV >PSTR "%S=%S\r\n"
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MSG.CSHERR >PSTR "Pos %D:"
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FMT.DATE >PSTR "%A, %B %d %Y"
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FMT.TIME >PSTR "%H:%M:%S (%I:%M:%S%p)"
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*--------------------------------------
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.INB /A2OSX.SRC/X.ERRORS.S
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*--------------------------------------
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EscChars >PSTR "DBAC"
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EscAscii .HS 04080A0B15
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CMD .BS 256
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ARGS .BS 256
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TIME .BS S.TIME
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STAT .BS S.STAT
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bStartProc .BS 1
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CSH.ACC .BS 4
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CSH.ARG .BS 4
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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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CmdBuffer .BS CmdLine.MAX+1 (pData)
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VarBuffer .BS VarLen.MAX+1
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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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bEcho .BS 1
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bSecureRead .BS 1
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bExitOnEOF .BS 1
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hCmdHistory .BS 1
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CmdHistory.IDX .BS 1
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CmdHistory.END .BS 1
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CSH.hBuf .BS 1
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CSH.BufPtr .BS 2
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CSH.BufLen .BS 2
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CSH.CmdSave .BS 1
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CSH.SepSave .BS 1
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CSH.BufPtrSave .BS 2
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CSH.hStack .BS 1
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CSH.StackPtr .BS 1
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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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