mirror of https://github.com/A2osX/A2osX.git
569 lines
11 KiB
Plaintext
569 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 SBIN/SHELL
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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/PRODOS.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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* Main entry point
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*--------------------------------------
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* Code signature and INIT table
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*--------------------------------------
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* CLD $D8
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* JMP (*,x) $7C
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* #JMPTABLE
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* /JMPTABLE
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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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.CmdBuffer .DA CmdBuffer
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L.MSG.GREETINGS .DA MSG.GREETINGS
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L.MSG.UNKNOWN .DA MSG.UNKNOWN
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L.MSG.SYNERR .DA MSG.SYNERR
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L.CMDS .DA CMDS
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T.INTCMDS .DA EXEC.CMD.CD
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.DA EXEC.CMD.SET
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.DA EXEC.CMD.DATE
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.DA EXEC.CMD.TIME
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.DA EXEC.CMD.ECHO
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.DA EXEC.CMD.TYPE
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.DA EXEC.CMD.EXIT
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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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*--------------------------------------
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CS.INIT stz bEXIT
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stz CmdHistory
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stz CmdHistory.IDX
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stz CmdHistory.END
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>LIBLOADP L.LIBSTR
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bcs .99
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sta hLIBSTR
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ldy #S.PS.ID
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lda (pPsContext),y
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>PUSHA
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ldy #S.PS.hOUTDEV
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lda (pPsContext),y
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>PUSHA
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ldy #S.PS.hINDEV
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lda (pPsContext),y
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>PUSHA
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>PUSHW L.MSG.GREETINGS
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>LIBCALL hLIBSTR,LIBSTR.PRINTF
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lda (pPsContext)
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ora #S.PS.F.EVENT Now accept events
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sta (pPsContext)
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clc
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.99 rts
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*--------------------------------------
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CS.RUN stz CmdBuffer
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lda #"$"
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jsr COUT
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lda #" "
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jsr COUT
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.1 lda CmdBuffer
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bmi .2
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jsr A2osX.SLEEP
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bra .1
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.2 and #$7F
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sta CmdBuffer
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beq CS.RUN Empty line
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>PUSHW L.CmdBuffer
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>SYSCALL SYS.NewPStr
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bcs .99
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sta hCMDLINE
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jsr HISTORY.ADD
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jsr EXEC.CMD
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bcc .3
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pha
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lda #"["
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jsr COUT
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pla
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jsr PRBYTE
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lda #"]"
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jsr COUT
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jsr CROUT
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.3 lda hCMDLINE
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>SYSCALL SYS.FreeMemA
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stz hCMDLINE
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lda bEXIT
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bne .99
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clc
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rts
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.99 sec
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rts
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*--------------------------------------
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CS.DOEVENT >PULLW pEvent
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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 (pPsContext),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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cmp #$1F
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bpl .1
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jsr CS.EVENT.CTRL.CHAR
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bra .8
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.1 cmp #$7f
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bne .2
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jsr CmdBuffer.DEL
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bra .8
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.2 ldx CmdBuffer
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cpx #CmdBuffer.MAX
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beq .8
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inx
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sta CmdBuffer,x
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inc CmdBuffer
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ora #$80
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jsr COUT
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.8 >SYSCALL SYS.DestroyEvent
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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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*--------------------------------------
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CS.EVENT.CTRL.CHAR
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cmp #13 CR
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bne .10
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jsr CROUT
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lda CmdBuffer
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ora #$80
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sta CmdBuffer
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clc
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rts
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.10 cmp #3
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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 cmp #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 cmp #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 cmp #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 cmp #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 jsr PRBYTE
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clc
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rts
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*--------------------------------------
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CS.QUIT 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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EXEC.CMD >PUSHB hCMDLINE
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>PUSHBI $20 Push SEP=' '
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>PUSHBI 0 Push 0 for getting CMD & ARGS
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>SYSCALL SYS.PStrGetTkn
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bcs .99
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sta hCMD
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stx hARGS
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>SYSCALL SYS.GetMemPtrA
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>PUSHYA
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>PUSHYA
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>LIBCALL hLIBSTR,LIBSTR.UCASEP
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>PUSHW L.CMDS
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>SYSCALL SYS.GetPStrIndex
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bcs .1 Not An internal command
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jsr EXEC.CMD.INT
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bcs .98
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jsr .98
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clc
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rts
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.1 jsr .98 Discard CMD & ARGS
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lda hCMDLINE
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>SYSCALL SYS.ExecProcessA
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rts
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.98 pha
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lda hCMD
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>SYSCALL SYS.FreeMemA
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lda hARGS
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>SYSCALL SYS.FreeMemA
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pla
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sec
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.99 rts
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*--------------------------------------
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EXEC.CMD.INT asl
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tax
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jmp (T.INTCMDS,x)
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*--------------------------------------
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EXEC.CMD.CD lda hARGS
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bne EXEC.CMD.CD.C
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ldy #S.PS.hPREFIX
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lda (pPsContext),y
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>SYSCALL SYS.GetMemPtrA
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>PUSHYA
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>LIBCALL hLIBSTR,LIBSTR.PRINTP
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jsr CROUT
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clc
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rts
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EXEC.CMD.CD.C >SYSCALL SYS.GetMemPtrA
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>STYA ZPPTR2
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ldy #S.PS.hPREFIX
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lda (pPsContext),y
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>SYSCALL SYS.GetMemPtrA
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>STYA ZPPTR1
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>PUSHWI MLI.MAXPATH+1 Get a buffer for new PATH
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>PUSHBI 0 no particular Option
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>SYSCALL SYS.GetMem
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bcs .99
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stx hNEWPATH
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>STYA ZPPTR3
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lda #0
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sta (ZPPTR3)
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ldy #1
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lda (ZPPTR2),y
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cmp #'/' Full Path?
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beq .3
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cmp #'.' ".." ?
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bne .2
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lda (ZPPTR2)
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cmp #2
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bne .97
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iny
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lda (ZPPTR2),y
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cmp #'.'
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bne .97
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lda (ZPPTR1)
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tay
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.1 dey
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beq .97
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lda (ZPPTR1),y
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cmp #'/'
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bne .1
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tya
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sta (ZPPTR3)
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.11 lda (ZPPTR1),y
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sta (ZPPTR3),y
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dey
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bne .11
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bra .4
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.97 lda #SYSMGR.ERRSYN
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.98 pha
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lda hNEWPATH
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>SYSCALL SYS.FreeMemA
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pla
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sec
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.99 rts
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.2 >PUSHW ZPPTR1
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>PUSHW ZPPTR3
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>LIBCALL hLIBSTR,LIBSTR.STRCPYP
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.3 >PUSHW ZPPTR2
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>PUSHW ZPPTR3
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>LIBCALL hLIBSTR,LIBSTR.STRCATP
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lda (ZPPTR3)
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tay
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lda #'/' Ending with '/'?
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cmp (ZPPTR3),y
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beq .4
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iny
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sta (ZPPTR3),y
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tya
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sta (ZPPTR3)
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.4 lda hNEWPATH
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>SYSCALL SYS.CheckPrefixA
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bcs .98
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ldy #S.PS.hPREFIX
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lda (pPsContext),y
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pha
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lda hNEWPATH
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sta (pPsContext),y
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pla
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>SYSCALL SYS.FreeMemA
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clc
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rts
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*--------------------------------------
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EXEC.CMD.SET clc
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rts
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*--------------------------------------
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EXEC.CMD.DATE jsr MLI
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.DA #MLIGETTIME
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.DA 0
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bcs .9
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>PUSHW DATELO
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>LIBCALL hLIBSTR,LIBSTR.PRINTDATE
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jsr CROUT
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clc
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.9 rts
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*--------------------------------------
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EXEC.CMD.TIME jsr MLI
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.DA #MLIGETTIME
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.DA 0
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bcs .9
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>PUSHW TIMELO
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>LIBCALL hLIBSTR,LIBSTR.PRINTTIME
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jsr CROUT
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clc
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.9 rts
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*--------------------------------------
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EXEC.CMD.ECHO lda #$DD
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sec
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rts
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*--------------------------------------
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EXEC.CMD.TYPE lda hARGS
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beq .98
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>SYSCALL SYS.LoadFileA
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bcs .99
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>STYA ZPPTR2 store file len
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phx
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txa
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>SYSCALL SYS.GetMemPtrA
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>STYA ZPPTR1
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.1 lda ZPPTR2
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bne .2
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lda ZPPTR2+1
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beq .3
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dec ZPPTR2+1
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.2 dec ZPPTR2
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lda (ZPPTR1)
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ora #$80
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jsr COUT
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inc ZPPTR1
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bne .1
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inc ZPPTR1+1
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bra .1
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.3 pla
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>SYSCALL SYS.FreeMemA
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clc
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rts
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.98 lda #SYSMGR.ERRSYN
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.99 rts
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*--------------------------------------
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EXEC.CMD.EXIT lda #$FF
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sta bEXIT
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clc
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rts
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*--------------------------------------
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HISTORY.ADD lda CmdHistory.END ending 0
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inc keep room for new ending 0
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sec add len+1
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adc CmdBuffer
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bcc .2 enough room
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ldx CmdHistory get len of oldest string
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ldy #0
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.1 inx
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iny
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lda CmdHistory,x move back until 0 found
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sta CmdHistory-1,y
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bne .1
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sty CmdHistory.END mark new end of history
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bra HISTORY.ADD retry....
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.2 ldx CmdHistory.END
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ldy #$FF
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.3 iny
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lda CmdBuffer,y
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sta CmdHistory,x
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inx
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cpy CmdBuffer
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bne .3
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stz CmdHistory,x set ending 0
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stx CmdHistory.IDX
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stx CmdHistory.END
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.9 rts
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*--------------------------------------
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HISTORY.GETPREV lda CmdHistory.END
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beq HISTORY.RTS empty history,nothing to do
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lda CmdHistory.IDX
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beq HISTORY.RTS already oldest,nothing to do
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lda #0
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.1 tax save current index
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sec
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adc CmdHistory,x
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cmp CmdHistory.IDX
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bne .1 not yet reached current index
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stx CmdHistory.IDX set new index
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bra HISTORY.SETBUF
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HISTORY.RTS rts
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*--------------------------------------
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HISTORY.GETNEXT ldx CmdHistory.END
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beq HISTORY.RTS empty history,nothing to do
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cpx CmdHistory.IDX
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beq HISTORY.RTS
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ldx CmdHistory.IDX
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lda CmdHistory,x
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sec
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adc CmdHistory.IDX
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cmp CmdHistory.END
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sta CmdHistory.IDX
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beq CmdBuffer.CLR end of history, just blank buffer
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*--------------------------------------
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HISTORY.SETBUF jsr CmdBuffer.CLR
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ldx CmdHistory.IDX
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ldy #$ff
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.1 iny
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lda CmdHistory,x
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inx
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sta CmdBuffer,y
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cpy CmdBuffer
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bne .1
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bra CmdBuffer.PRINT
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*--------------------------------------
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CmdBuffer.PRINT ldx #0
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.1 inx
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lda CmdBuffer,x
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ora #$80
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phx
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jsr COUT
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plx
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cpx CmdBuffer
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bne .1
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rts
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*--------------------------------------
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CmdBuffer.CLR jsr CmdBuffer.DEL
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bne CmdBuffer.CLR
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.9 rts
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*--------------------------------------
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CmdBuffer.DEL lda CmdBuffer
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beq .9
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lda #8
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jsr COUT
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dec CmdBuffer
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.9 rts
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*--------------------------------------
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PRBYTE pha
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lsr
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lsr
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lsr
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lsr
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ora #$B0
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cmp #$BA
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bcc .1
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adc #6
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.1 jsr COUT
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pla
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and #$0F
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ora #$B0
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cmp #$BA
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bcc COUT
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adc #6
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bra COUT
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*--------------------------------------
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CROUT lda #13
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*--------------------------------------
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COUT phx
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phy
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>PUSHA
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ldy #S.PS.hOUTDEV
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lda (pPsContext),y
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>SYSCALL SYS.DevOutA
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ply
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plx
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rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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CMDS >PSTRING "CD"
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CMDS1 >PSTRING "SET"
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CMDS2 >PSTRING "DATE"
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CMDS3 >PSTRING "TIME"
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CMDS4 >PSTRING "ECHO"
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CMDS5 >PSTRING "TYPE"
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CMDS6 >PSTRING "EXIT"
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.DA #0
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*--------------------------------------
|
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LIBSTR >PSTRING "libstr.o"
|
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MSG.GREETINGS >CSTRING "\nA2osX-Shell on Dev=(%h:%h),PS=%h\n\n"
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MSG.UNKNOWN >CSTRING "Command Not Found\n"
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MSG.SYNERR >CSTRING "Syntax Error Or Invalid Pathname\n"
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*--------------------------------------
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DS.START
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*--------------------------------------
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hLIBSTR .BS 1
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bEXIT .BS 1
|
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hCMDLINE .BS 1
|
||
hCMD .BS 1
|
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hARGS .BS 1
|
||
hNEWPATH .BS 1
|
||
CmdBuffer .BS CmdBuffer.MAX+1
|
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CmdBuffer.POS .BS 1
|
||
CmdHistory .BS 256
|
||
CmdHistory.IDX .BS 1
|
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CmdHistory.END .BS 1
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*--------------------------------------
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DS.END
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*--------------------------------------
|
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MAN
|
||
SAVE SBIN/SHELL.S
|
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ASM
|