mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-03 12:06:05 +00:00
526 lines
9.2 KiB
Plaintext
526 lines
9.2 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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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.BOOT/SBIN/SHELL
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/PRODOS.I
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.INB INC/A2OSX.I
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.INB INC/LIBSTR.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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*--------------------------------------
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CmdBuffer.MAX .EQ 127
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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.LIBSTR .DA LIBSTR
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L.MSG.GREETINGS .DA MSG.GREETINGS
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L.MSG.ERROR .DA MSG.ERROR
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L.ENV.PATH .DA ENV.PATH
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J.INTCMDS .DA EXEC.CMD.CD
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.DA EXEC.CMD.DATE
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.DA EXEC.CMD.ECHO
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.DA EXEC.CMD.EXIT
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.DA EXEC.CMD.PAUSE
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.DA EXEC.CMD.READ
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.DA EXEC.CMD.SET
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.DA EXEC.CMD.TIME
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.DA EXEC.CMD.TYPE
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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBSTR
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>SYSCALL SYS.LoadLibYA
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bcs .9
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sta hLIBSTR
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ldy #S.PS.hARGS Batch file ?
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lda (pPs),y
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beq CS.INIT.INTERACTIVE no,continue starting interactive
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jsr OpenTxtFileA
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bcs .9
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ldy #bExitOnEOF
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lda #$FF
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sta (pData),y
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clc
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.9 rts
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*--------------------------------------
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CS.INIT.INTERACTIVE
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jsr History.Init
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bcs .9
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ldy #S.PS.hINDEV
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lda (pPs),y
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>PUSHA
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>LDYA L.MSG.GREETINGS
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>SYSCALL SYS.PSTROutYA
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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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clc
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.9 rts
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*--------------------------------------
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CS.RUN lda #0
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sta (pData)
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ldy #bPause
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lda (pData),y
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bpl .10
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clc
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rts
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.10 ldy #hInputFile batch mode ?
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lda (pData),y
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bne .2
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jsr PrintPrompt
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bcs .99
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.1 >SYSCALL SYS.Sleep
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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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bra .3
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.2 jsr ReadTxtFile
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bcs .81
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.3 lda (pData)
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beq CS.RUN Empty line
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ldy #1
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lda (pData),y
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cmp #'#' Comment
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beq CS.RUN
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ldy #hInputFile
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lda (pData),y
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bne .32
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jsr History.Add
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.32 >LDYA pData
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>SYSCALL SYS.NewPStrYA
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bcs .99
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ldy #hCmdLine
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sta (pData),y
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jsr EXEC.CMD
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bcc .4
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tay
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beq .4
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jsr PrintError
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.4 ldy #hCmdLine
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lda (pData),y
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>SYSCALL SYS.FreeMemA
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ldy #hCmdLine
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lda #0
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sta (pData),y
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.8 ldy #bEXIT
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lda (pData),y
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bne .99
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clc
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rts
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.81 jsr CloseTxtFile
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ldy #bExitOnEOF
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lda (pData),y
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beq .8
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lda #0
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.99 sec
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rts
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*--------------------------------------
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CS.DOEVENT ldy #S.EVT.hDEV is Event from active IN device?
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lda (pEvent),y
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ldy #S.PS.hINDEV
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cmp (pPs),y
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bne .9
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lda (pEvent)
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and #S.EVT.F.KEY is it a KEY event?
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beq .9
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ldy #S.EVT.DATAHI is it an O or SAPPLE key ?
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lda (pEvent),y
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bne .9
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ldy #S.EVT.DATALO
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lda (pEvent),y
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tax
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ldy #bPause
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lda (pData),y
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bpl .11
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lda #0
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sta (pData),y
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clc
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rts
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.9 sec
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rts
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.11 ldy #hInputFile 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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jsr CloseTxtFile
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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.EVENT.CTRL.CHAR
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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 #CmdBuffer.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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>SYSCALL SYS.COutA
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.8 clc
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rts
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*--------------------------------------
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CS.EVENT.CTRL.CHAR
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cpx #13 CR
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bne .10
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txa
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>SYSCALL SYS.COutA
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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 HISTORY.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 HISTORY.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 History.Quit
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ldy #hInputFile
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lda (pData),y
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beq .1
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>SYSCALL SYS.MLICloseA
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.1 ldy #hInputBuffer
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lda (pData),y
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beq .2
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>SYSCALL SYS.FreeMemA
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.2 lda hLIBSTR
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>SYSCALL SYS.UnloadLibA
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clc
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rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
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PrintPrompt lda #'$'
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>SYSCALL SYS.COutA
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bcs .9
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lda #' '
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>SYSCALL SYS.COutA
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.9 rts
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*--------------------------------------
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PrintError pha
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>PUSHA
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>LDYA L.MSG.ERROR
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>SYSCALL SYS.PSTROutYA
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pla
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rts
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*--------------------------------------
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CmdBuffer.PRINT ldy #0
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.1 iny
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lda (pData),y
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>SYSCALL SYS.COutA
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tya
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cmp (pData)
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bne .1
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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 SYS.COutA
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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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OpenTxtFileA >SYSCALL SYS.MLIOpenA
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bcs .9
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ldy #hInputFile
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sta (pData),y
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pha
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txa
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ldy #hInputBuffer
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sta (pData),y
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>PUSHBI $0D Line separator for TXT file
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>PUSHBI $FF
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pla
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>PUSHA
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>SYSCALL SYS.MLINewLine
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bcc .9
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pha
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jsr CloseTxtFile
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pla
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sec
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.9 rts
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*--------------------------------------
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ReadTxtFile >PUSHWI 127
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>PUSHWI TmpBuffer256+1
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ldy #hInputFile
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lda (pData),y
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>PUSHA
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>SYSCALL SYS.MLIRead
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bcs .9
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tya
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beq .10
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lda TmpBuffer256,y Y,A=Bytes read
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cmp #$0D
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bne .10
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dey
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.10 tya
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sta (pData)
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beq .2
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.1 lda TmpBuffer256,y
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sta (pData),y
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dey
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bne .1
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.2 ldy #bEcho
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lda (pData),y
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beq .8
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lda #'>'
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>SYSCALL SYS.COutA
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lda #'"'
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>SYSCALL SYS.COutA
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>LDYA pData
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>SYSCALL SYS.PSTROutYA
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lda #'"'
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>SYSCALL SYS.COutA
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lda #13
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>SYSCALL SYS.COutA
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.8 clc
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.9 rts
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*--------------------------------------
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CloseTxtFile ldy #hInputArgs
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lda (pData),y
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beq .1
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>SYSCALL SYS.FreeMemA
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.1 ldy #hInputFile
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lda (pData),y
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beq .9
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>SYSCALL SYS.MLICloseA
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ldy #hInputBuffer
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lda (pData),y
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>SYSCALL SYS.FreeMemA
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.9 lda #0
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ldy #hInputArgs
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sta (pData),y
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ldy #hInputFile
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sta (pData),y
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ldy #hInputBuffer
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sta (pData),y
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rts
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*--------------------------------------
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.INB SBIN/SHELL.S.CMD
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.INB SBIN/SHELL.S.HIS
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*--------------------------------------
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CS.END
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*--------------------------------------
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ENV.PATH >PSTRING "PATH"
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CMDS >PSTRING "CD"
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>PSTRING "DATE"
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>PSTRING "ECHO"
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>PSTRING "EXIT"
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>PSTRING "PAUSE"
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>PSTRING "READ"
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>PSTRING "SET"
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>PSTRING "TIME"
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>PSTRING "TYPE"
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.HS 00
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*--------------------------------------
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LIBSTR >PSTRING "libstr.o"
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MSG.GREETINGS >PSTRING "\nA2osX-Shell on Dev=%h\n\n"
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MSG.ERROR >PSTRING "[%h]\n"
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*MSG.NOTFOUND >CSTRING "Command Not Found\n"
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*MSG.SYNERR >CSTRING "Syntax Error Or Invalid Pathname\n"
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EscChars >PSTRING "DBAC"
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EscAscii .HS 04080A0B15
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hLIBSTR .BS 1
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hNEWPATH .BS 1
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hExecCmd .BS 1
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hExecArgs .BS 1
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hEnvPath .BS 1
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hFullCmd .BS 1
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hVarName .BS 1
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hVarValue .BS 1
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ExecCmdIdx .BS 1
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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 CmdBuffer.MAX+1 (pData)
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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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bExitOnEOF .BS 1
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hCmdLine .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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hInputFile .BS 1
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hInputArgs .BS 1
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hInputBuffer .BS 1
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DS.END
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.ED
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||
*--------------------------------------
|
||
MAN
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||
SAVE SBIN/SHELL.S
|
||
ASM
|