NEW AUTO 3,1 .LIST OFF *-------------------------------------- CMD.. lda (ZPArgVBufPtr) beq CMD...9 >LDYA ZPArgVBufPtr jsr IO.Load bcs CMD.SHIFTA.RTS >LDYA ZPArgVBufPtr CMD..EXEC.YAX jsr CORE.Load.YAX Exec . file bcs CMD.SHIFTA.RTS lda #$C0+C.. jmp CORE.StkPush CMD...9 jmp CMD.E.CSYN *-------------------------------------- CMD.NOHUP lda (ZPArgVBufPtr) beq CMD...9 lda #S.PS.F.NOHUP tsb CORE.PSFlags jmp CORE.ExecExtCmd *-------------------------------------- CMD.SHIFT lda (ZPArgVBufPtr) beq CMD.SHIFT.1 jsr EXP.GetInt8Exp bcs CMD.SHIFTA.RTS .HS B0 BCS CMD.SHIFT.1 inc CMD.SHIFTA >SYSCALL Shift CMD.SHIFTA.RTS rts *-------------------------------------- CMD.PUSHD >LDA.G PUSHD.STACK cmp #PUSHD.STACK+PUSHD.STACK.MAX beq CMD.POPD.CSYN jsr GetCWD >SYSCALL StrDup bcs CMD.POPD.CSYN >INC.G PUSHD.STACK tay txa sta (pData),y lda (ZPArgVBufPtr) bne CMD.CD.0 .8 clc .9 rts *-------------------------------------- CMD.POPD >LDA.G PUSHD.STACK cmp #PUSHD.STACK beq CMD.POPD.CSYN tay lda (pData),y jsr CMD.SetCWDA >DEC.G PUSHD.STACK clc CMD.POPD.RTS rts CMD.POPD.CSYN jmp CMD.E.CSYN *-------------------------------------- CMD... lda (ZPArgVBufPtr) bne CMD.POPD.CSYN >LDYA L.CD.. bra CMD.CD.YA *-------------------------------------- CMD.CD lda (ZPArgVBufPtr) beq CMD.CD.HOME CMD.CD.0 >LDYA ZPArgVBufPtr bra CMD.CD.YA CMD.CD.HOME >LDYA L.HOME CMD.CD.YA >PUSHYA >PUSHWI 0 Allocate >SYSCALL RealPath bcs CMD.POPD.RTS >STYA ZPPtr1 stx ZPTmpW Save hMem ldy #1 lda (ZPPtr1),y bne .12 txa jmp CMD.SetCWDA we have '/' .12 >LDYA ZPPtr1 jsr IO.StatYA bcs .19 cmp #S.FI.T.DIR beq .11 lda #MLI.E.INVPATH .19 pha lda ZPTmpW >SYSCALL FreeMem pla sec rts .11 jsr GetPtr1LenY dey lda #'/' cmp (ZPPtr1),y beq .14 iny sta (ZPPtr1),y iny lda #0 sta (ZPPtr1),y .14 lda ZPTmpW *-------------------------------------- CMD.SetCWDA pha ldy #S.PS.hCWD lda (pPS),y >SYSCALL FreeMem pla ldy #S.PS.hCWD sta (pPS),y lda #0 * clc rts *-------------------------------------- CMD.SET lda (ZPArgVBufPtr) bne CMD.SET.1 * No arg, print all ENV >PUSHWZ >PUSHWZ >SYSCALL GetEnv >STYA ZPPtr1 stx ZPTmpW .1 lda (ZPPtr1) beq .8 Ending 0 ? >LDYA ZPPtr1 >SYSCALL PutS bcs .9 jsr GetPtr1NextString bra .1 .8 lda ZPTmpW >SYSCALL FreeMem * clc .9 rts *-------------------------------------- * SET +X VAR = VALUE1 op VALUE2 op VALUE3 ... *-------------------------------------- CMD.SET.1 .1 jsr CMD.IsSwitch bcs .6 ldx #SET.VARS-SET.FLAGS .2 dex bmi .4 cmp SET.FLAGS,x bne .2 ldy SET.VARS,x lda (pData),y eor #$ff sta (pData),y bra .5 .4 cmp #'F' bne .99 jsr CORE.FUNCRESET .5 jsr CORE.ArgV.Next bne .1 clc rts *-------------------------------------- .6 >LDYA ZPArgVBufPtr >STYA ZPVarNamePtr jsr CORE.ArgV.Next beq CMD.SET.GET cmp #'=' bne .99 ldy #1 lda (ZPArgVBufPtr),y bne .99 jsr CORE.ArgV.Next beq CMD.SET.UNSET cmp #'`' beq CMD.SET.EXEC jsr EXP.GET bcc CMD.SET.YA rts .99 jmp CMD.E.CSYN CMD.SET.YA pha >PUSHW ZPVarNamePtr pla >PUSHYA >SYSCALL SetEnv rts CMD.SET.UNSET >PUSHW ZPVarNamePtr >SYSCALL UnsetEnv rts CMD.SET.GET >PUSHW ZPVarNamePtr >PUSHW ZPCLBuf >SYSCALL GetEnv bcs .8 >LDYA ZPCLBuf >SYSCALL PutS rts .8 clc rts *-------------------------------------- CMD.SET.EXEC jsr CORE.ArgV.NextChar skip "`" jsr IO.Pipe.Out bcs .9 >PUSHW ZPArgVBufPtr >PUSHBI S.PS.F.CLOSEONX >SYSCALL ExecL bcs .9 jsr IO.Pipe.In bcs .9 lda #255 >STA.G READ.N >STA.G bREAD.S jmp CMD.READ.VAR .9 rts *-------------------------------------- CMD.DATE >PUSHEA.G TimeBuf >SYSCALL Time >PUSHEA.G TimeBuf >PUSHW ZPCLBuf lda (ZPArgVBufPtr) beq .1 >LDYA ZPArgVBufPtr bra .2 .1 >LDYA L.FMT.DATE .2 >PUSHYA >PUSHEA.G TimeBuf >SYSCALL StrFTime CMD.DATE.PRINT >LDYA ZPCLBuf >SYSCALL PutS rts *-------------------------------------- CMD.ECHO stz ZPPtr1 echo -N stz ZPPtr1+1 Token Cnt lda (ZPArgVBufPtr) beq .7 .1 jsr CMD.IsSwitch bcs .2 cmp #'N' bne CMD.ECHO.CSYN lda #$ff eor ZPPtr1 sta ZPPtr1 bra .4 .2 lda ZPPtr1+1 beq .3 lda #C.SPACE >SYSCALL PutChar .3 jsr CMD.PrintArgVBufPtr bcs .9 inc ZPPtr1+1 .4 jsr CORE.ArgV.Next bne .1 .7 bit ZPPtr1 bmi .8 >PUSHW L.MSG.ECHOCRLF >PUSHBI 0 >SYSCALL PrintF .9 rts .8 clc rts CMD.ECHO.CSYN lda #E.CSYN sec CMD.ECHO.RTS rts *-------------------------------------- CMD.READ lda (ZPArgVBufPtr) beq CMD.ECHO.CSYN stz ZPVarNamePtr+1 >STZ.G bREAD.S dec >STA.G READ.N .1 jsr CMD.IsSwitch bcs .4 cmp #'S' bne .2 lda #$ff >STA.G bREAD.S bra .5 .2 cmp #'P' bne .3 jsr CORE.ArgV.Next beq CMD.ECHO.CSYN jsr CMD.PrintArgVBufPtr bcs CMD.ECHO.RTS bra .5 .3 cmp #'N' bne CMD.ECHO.CSYN jsr CORE.ArgV.Next beq CMD.ECHO.CSYN jsr EXP.GetInt8Arg bcs CMD.ECHO.RTS >STA.G READ.N bra .5 .4 >LDYA ZPArgVBufPtr >STYA ZPVarNamePtr .5 jsr CORE.ArgV.Next bne .1 lda ZPVarNamePtr+1 beq CMD.ECHO.CSYN CMD.READ.VAR jsr CL.Reset .1 >SYSCALL GetChar bcs CMD.SLEEP.RTS jsr CL.CHARIN >LDA.G CL.bReady bpl .1 lda (ZPCLBuf) bne .2 jmp CMD.SET.UNSET .2 >LDYA ZPCLBuf jmp CMD.SET.YA *-------------------------------------- CMD.SLEEP lda (ZPArgVBufPtr) beq CMD.REN.CSYN jsr EXP.GetInt32Arg bcs CMD.SLEEP.RTS >PULLL.G Sleep CMD.SLEEP.RTS rts *-------------------------------------- CMD.PAUSE lda #$FF >STA.G bPause clc rts *-------------------------------------- CMD.MD lda (ZPArgVBufPtr) beq CMD.REN.CSYN >PUSHW ZPArgVBufPtr >PUSHWI S.STAT.MODE.FO+S.STAT.MODE.FG+S.STAT.MODE.FU >SYSCALL MKDir rts *-------------------------------------- CMD.PWD jsr GetCWD >SYSCALL PutS rts *-------------------------------------- CMD.RD lda (ZPArgVBufPtr) beq CMD.REN.CSYN jsr IO.StatArgVBufPtr bcs .99 cmp #S.FI.T.DIR bne CMD.REN.CSYN >LDYA ZPArgVBufPtr >SYSCALL Remove .99 rts *-------------------------------------- CMD.REN.CSYN jmp CMD.E.CSYN CMD.REN lda (ZPArgVBufPtr) beq CMD.REN.CSYN jsr CORE.ArgV.Next lda (ZPArgVBufPtr) beq CMD.REN.CSYN >PUSHW ZPArgVBufPrev old path >PUSHWI 0 Allocate >SYSCALL RealPath bcs CMD.REN.CSYN >STYA ZPPtr1 stx ZPTmpW ldy #$ff .1 iny lda (ZPPtr1),y beq .2 cmp #'/' bne .1 tya tax bra .1 .2 ldy #$ff .3 iny inx lda (ZPArgVBufPtr),y bne .3 txa tay lda #0 >SYSCALL GetMem bcs .90 >STYA ZPPtr2 stx ZPTmpW+1 ldy #$ff .4 iny lda (ZPPtr1),y beq .5 sta (ZPPtr2),y cmp #'/' bne .4 tya inc tax bra .4 .5 txa tay lda #0 sta (ZPPtr2),y >PUSHW ZPArgVBufPtr >LDYA ZPPtr2 >SYSCALL StrCat lda ZPTmpW >SYSCALL FreeMem lda ZPTmpW+1 sta ZPTmpW >PUSHW ZPPtr1 >PUSHW ZPPtr2 >SYSCALL Rename .90 php pha lda ZPTmpW >SYSCALL FreeMem pla plp rts *-------------------------------------- CMD.FUNCTION lda (ZPArgVBufPtr) beq .9 jsr CORE.StkGetCtx bcc .9 No context allowed >LDA.G hFuncList bne .1 >SYSCALL SListNew bcs .99 >STA.G hFuncList .1 >PUSHA >PUSHW ZPArgVBufPtr >SYSCALL SListNewKey bcs .99 >STYA ZPTmpW Save KeyID jsr CORE.ArgV.Next nothing after function name beq .10 cmp #'{' bne .9 ldy #1 lda (ZPArgVBufPtr),y beq .11 .9 jmp CMD.E.CSYN .99 rts *-------------------------------------- .10 jsr CORE.GetCharNB bcs .9 cmp #'{' bne .9 jsr CORE.GetNextCharNB bcs .9 .11 stz M32.ACC '{' counter >LDYA ZPInputBufPtr >STYA ZPPtr1 ldy #0 ldx #0 lda (ZPInputBufPtr) beq .6 .12 cmp #'{' bne .13 inc M32.ACC bra .14 .13 cmp #'}' bne .14 dec M32.ACC bmi .7 .14 iny bne .15 inx .15 jsr CORE.GetNextChar bne .12 .6 lda M32.ACC bpl .9 .7 jsr CORE.GetNextChar skip ending '}' phx phy >PUSHB.G hFuncList >PUSHW ZPTmpW KeyID >PUSHW ZPPtr1 DataPtr ply pla >PUSHYA DataLen >SYSCALL SListAddData rts *-------------------------------------- CMD.CALL jsr CMD.CALL.GETFUNC bcs CMD.CALL.RTS >STYA ZPTmpW KeyID >PUSHB.G hFuncList >PUSHW ZPTmpW KeyID >PUSHWZ Allocate.. >PUSHWI $ffff all >PUSHWZ From Start >SYSCALL SListGetData X = hMem bcs CMD.CALL.RTS >LDYA ZPArgVBufPtr FUNC PARAM1 PARAM2... jsr CORE.Load.YAX Exec FUNC bcs CMD.CALL.RTS lda #$C0+C.CALL jmp CORE.StkPush *-------------------------------------- CMD.CALL.GETFUNC >LDA.G hFuncList beq CMD.CALL.UNDEF >PUSHB.G hFuncList >PUSHW ZPArgVBufPtr >SYSCALL SListLookup bcc CMD.CALL.RTS CMD.CALL.UNDEF lda #E.FUNDEF sec CMD.CALL.RTS rts *-------------------------------------- CMD.EXIT lda (ZPArgVBufPtr) beq .1 no arg, exit 0 jsr EXP.GetInt8Exp bcs .9 .1 ldy #S.PS.RC sta (pPS),y .2 jsr CORE.StkPull Pull everything until CALL . CL... bcs .9 cmp #$C0+C.. in CALL, "." or CL context ? beq CMD.EXIT.FILE cmp #$C0+C.CALL beq CMD.EXIT.FILE cmp #$C0+C.CLEXEC beq .8 jsr CORE.StkPopCtxA bcc .2 rts .8 jsr CMD.EXIT.FILE lda #$ff >STA.G bExitOnEOF clc .9 rts *-------------------------------------- CMD.EXIT.FILE jsr CORE.StkPullFree Code buffer ldy #S.PS.hARGV lda (pPS),y >SYSCALL FreeMem ArgV buffer jsr CORE.StkPull ldy #S.PS.hARGV sta (pPS),y jsr CORE.StkPull ldy #S.PS.ARGC sta (pPS),y jsr CORE.StkPullInputBufPtr jsr CORE.StkPull sta ZPInputBuf+1 jsr CORE.StkPull sta ZPInputBuf ldy #S.PS.RC lda (pPS),y clc rts *-------------------------------------- CMD.BREAK jsr CORE.StkGetCtx Get context in CORE.TestResult bcs .9 tax and #$3F cmp #C.CASE bne .9 txa bpl .8 jsr CORE.StkPull remove C.CASE jsr CORE.StkGet and #$7F sta (pData),y .8 clc rts .9 jmp CMD.E.CSYN *-------------------------------------- * stack-1 hVALUE * stack SWITCH TOKEN *-------------------------------------- CMD.SWITCH jsr CORE.StkGetCtx lda #2 jsr CORE.StkCheck bcs .9 jsr EXP.GET bcs .9 >SYSCALL StrDup bcs .9 txa jsr CORE.StkPush Push EXP hVALUE lda CORE.TestResult beq .1 ora #$80 .1 ora #C.SWITCH jmp CORE.StkPush .9 rts *-------------------------------------- CMD.CASE jsr CORE.StkGetCtx Get context in CORE.TestResult bcs .9 tax and #$3F cmp #C.SWITCH beq .1 cmp #C.CASE bne .9 txa previous case was true ? bpl .10 jsr EXP.GET skip expression bcs .9 rts keep existing context .10 jsr CORE.StkPull remove previous C.CASE bra CMD.CASE .1 jsr EXP.GET bcs .9 >PUSHYA lda (pData) tay dey get hVALUE lda (pData),y >SYSCALL GetMemPtr >SYSCALL StrCmp ror CS if != and #$80 eor #$80 ora CORE.TestResult ora #C.CASE jmp CORE.StkPush .9 CMD.E.CSYN lda #E.CSYN sec rts *-------------------------------------- CMD.DEFAULT jsr CORE.StkGetCtx Get context in CORE.TestResult bcs CMD.E.CSYN and #$3F cmp #C.SWITCH beq .1 cmp #C.CASE bne CMD.E.CSYN jsr CORE.StkPull remove C.CASE .1 jsr CORE.StkGet and #$C0 ora #C.DEFAULT jmp CORE.StkPush *-------------------------------------- CMD.END jsr CORE.StkGetCtx Get context in CORE.TestResult bcs CMD.E.CSYN and #$3F cmp #C.SWITCH beq .8 cmp #C.CASE beq .8 cmp #C.DEFAULT bne CMD.E.CSYN .8 jmp CORE.StkPopCtx *-------------------------------------- CMD.FOR jsr CORE.StkGetCtx lda (ZPArgVBufPtr) beq CMD.E.CSYN >LDYA ZPArgVBufPtr >STYA ZPVarNamePtr jsr CORE.ArgV.Next beq CMD.E.CSYN >PUSHW ZPArgVBufPtr >LDYA L.IN >SYSCALL StrCaseCmp bcs CMD.E.CSYN jsr CORE.ArgV.Next beq CMD.E.CSYN lda #8 Make sure 8 bytes free on stack jsr CORE.StkCheck bcs FOR.FILE.9 lda (ZPArgVBufPtr) cmp #'(' beq CMD.FOR.FILE cmp #'`' beq CMD.FOR.EXEC *-------------------------------------- CMD.FOR.LIST >LDYA ZPArgVBufPtr >SYSCALL StrDup bcs FOR.FILE.9 phy pha jsr CORE.StkPushInputBufPtr Push CmdPtr AFTER FOR pla ply jsr CORE.StkPushYAX Push listPtr,hList jsr CORE.PushVarName Push hVARNAME lda #C.FOR.LIST jsr CORE.StkPush lda #C.FOR jsr CORE.StkPush jsr CMD.NEXT.LIST.TOKEN bcc CMD.FOR.LOOP rts *-------------------------------------- CMD.FOR.FILE jsr CORE.ArgV.NextChar skip "(" >LDYA ZPArgVBufPtr ldx #O.RDONLY+O.TEXT jsr IO.FOpenYAX bcc CMD.FOR.PUSH FOR.FILE.9 rts *-------------------------------------- CMD.FOR.EXEC jsr CORE.ArgV.NextChar skip "`" jsr IO.Pipe.Out bcs FOR.FILE.9 >PUSHW ZPArgVBufPtr >PUSHBI S.PS.F.CLOSEONX >SYSCALL ExecL bcs FOR.FILE.9 jsr IO.Pop.Out Restore OUT (NO close) jsr IO.Pipe.OpenR bcs FOR.FILE.9 CMD.FOR.PUSH pha save hFILE/hPIPE jsr CORE.StkPushInputBufPtr Push CmdPtr AFTER FOR pla jsr CORE.StkPush push hPIPE for read jsr CORE.PushVarName Push hVARNAME * bcs FOR.FILE.9 lda #C.FOR.FILEEXEC jsr CORE.StkPush lda #C.FOR jsr CORE.StkPush jsr CMD.NEXT.LINE bcs FOR.FILE.9 CMD.FOR.LOOP ora CORE.TestResult ora #C.FOR Push FOR pha lda (pData) tay pla sta (pData),y * clc rts *-------------------------------------- CMD.NEXT jsr CORE.StkGet Y = StkPtr bcs .9 and #$3F cmp #C.FOR bne .9 dey lda (pData),y iny tax beq CMD.NEXT.LIST jmp CMD.NEXT.FILEEXEC .9 lda #E.NOFOR sec rts *-------------------------------------- * stack-6 CmdPtr * stack-4 ListPtr * stack-3 hLIST * stack-2 hVARNAME * stack-1 FOR SUB TOKEN * stack FOR TOKEN *-------------------------------------- CMD.NEXT.LIST lda (pData),y Y = StkPtr bpl .1 jsr CMD.NEXT.LIST.TOKEN bcs .9 bpl .1 lda (pData) sec sbc #6 jmp CMD.NEXT.FILEEXEC.LOOPY .1 lda (pData) tay sec sbc #8 sta (pData) dey dey lda (pData),y hVARNAME pha dey lda (pData),y hLIST >SYSCALL FreeMem pla >SYSCALL FreeMem * clc .9 rts *-------------------------------------- CMD.NEXT.LIST.TOKEN jsr CMD.NEXT.GetVarNamePtr dey skip hLIST dey lda (pData),y sta ZPPtr1 dey lda (pData),y sta ZPPtr1+1 ldy #0 .10 jsr GetPtr1NextChar beq .3 cmp #C.SPACE beq .10 sta (ZPCLBuf),y iny .1 jsr GetPtr1NextChar beq .3 cmp #C.SPACE beq .3 sta (ZPCLBuf),y iny bra .1 .3 lda #0 sta (ZPCLBuf),y tya beq .8 >LDYA ZPCLBuf jsr CMD.SET.YA bcs .9 lda (pData) sec sbc #4 tay lda ZPPtr1 sta (pData),y dey lda ZPPtr1+1 sta (pData),y lda #$80 clc .9 rts .8 jmp CMD.NEXT.END *-------------------------------------- * stack-4 CmdPtr * stack-3 hFILE/hPIPE * stack-2 hVARNAME * stack-1 FOR SUB TOKEN * stack FOR TOKEN *-------------------------------------- CMD.NEXT.FILEEXEC lda (pData),y Y = StkPtr bpl CMD.NEXT.FILEEXEC.POP jsr CMD.NEXT.LINE bcs CMD.NEXT.FILEEXEC.9 bpl CMD.NEXT.FILEEXEC.POP end of file/pipe lda (pData) sec sbc #4 CMD.NEXT.FILEEXEC.LOOPY tay lda (pData),y sta ZPInputBufPtr dey lda (pData),y sta ZPInputBufPtr+1 clc CMD.NEXT.FILEEXEC.9 rts CMD.NEXT.FILEEXEC.POP lda (pData) tay sec sbc #6 sta (pData) dey dey lda (pData),y hVARNAME pha dey lda (pData),y hFILE/hPIPE >SYSCALL FClose pla >SYSCALL FreeMem * clc rts *-------------------------------------- CMD.NEXT.LINE jsr CMD.NEXT.GetVarNamePtr >PUSHWI 256 >PUSHW ZPCLBuf dey lda (pData),y hFILE/hPIPE >SYSCALL FGetS bcs CMD.NEXT.END >LDYA ZPCLBuf jsr CMD.SET.YA bcs CMD.NEXT.LINE.RTS lda #$80 * clc rts CMD.NEXT.END jsr CMD.SET.UNSET bcs .9 lda #0 clc keep this CLC for CMD.NEXT.LIST.TOKEN .9 CMD.NEXT.LINE.RTS rts *-------------------------------------- CMD.NEXT.GetVarNamePtr lda (pData) dec skip FOR dec skip SUB TOKEN tay lda (pData),y phy >SYSCALL GetMemPtr hVARNAME >STYA ZPVarNamePtr ply rts *-------------------------------------- CMD.WHILE CMD.IF jsr CORE.StkGetCtx bit #$40 Parent is true ? beq .3 jsr EXP.TEST bcs CMD.NEXT.LINE.RTS .3 lda CORE.IntCmd cmp #C.WHILE bne .8 lda #3 jsr CORE.StkCheck bcs CMD.NEXT.LINE.RTS >LDYA ZPInputCmdPtr jsr CORE.StkPushYA Push BEFORE WHILE/IF .8 lda CORE.TestResult ora CORE.IntCmd jmp CORE.StkPush *-------------------------------------- CMD.LOOP jsr CORE.StkPull bcs .9 tax and #$3F cmp #C.WHILE bne .9 txa bmi .8 true, loop jmp CORE.StkPopCtxA false, Discard loop Ptr .8 jmp CORE.StkPullInputBufPtr .9 lda #E.NOWHILE sec rts *-------------------------------------- CMD.ELSE jsr CORE.StkGet bcs .9 bit #$40 parent is true ? beq .8 no, skip tax and #$3F cmp #C.IF bne .9 txa eor #$80 toggle and store at stack ptr sta (pData),y .8 clc rts .9 CMD.ELSE.NOIF lda #E.NOIF sec rts *-------------------------------------- CMD.FI jsr CORE.StkPull bcs CMD.ELSE.NOIF and #$3F cmp #C.IF bne CMD.ELSE.NOIF clc rts *-------------------------------------- CMD.IsSwitch lda (ZPArgVBufPtr) cmp #'-' bne .9 ldy #1 lda (ZPArgVBufPtr),y beq .9 cmp #'0' is -0 ... -9 ? bcc .9 cmp #'9'+1 bcc .9 .1 tax iny lda (ZPArgVBufPtr),y bne .9 txa jmp ToUpperCase .9 sec rts *-------------------------------------- CMD.PrintArgVBufPtr >PUSHW ZPArgVBufPtr >PUSHBI 0 >SYSCALL PrintF rts *-------------------------------------- MAN SAVE usr/src/bin/sh.s.cmd LOAD usr/src/bin/sh.s ASM