Mercurial > hg > Members > kono > nitros9-code
view level2/cmds/shell_21.asm @ 1487:97b3df00ef37
nil now part of vrn
| author | boisy |
|---|---|
| date | Mon, 22 Dec 2003 21:59:00 +0000 |
| parents | 64a0273a846a |
| children |
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******************************************************************** * Shell - OS-9 command line interpreter * * $Id$ * * Edt/Rev YYYY/MM/DD Modified by * Comment * ------------------------------------------------------------------ * 21 ????/??/?? * Original Tandy/Microware version. * * 21/2 2003/01/22 Boisy Pitre * CHD no longer sets WRITE. permission. nam Shell ttl OS-9 command line interpreter * Disassembled 99/04/18 22:59:49 by Disasm v1.6 (C) 1988 by RML ifp1 use defsfile endc tylg set Prgrm+Objct atrv set ReEnt+rev rev set $02 edition set 21 mod eom,name,tylg,atrv,start,size org 0 u0000 rmb 1 u0001 rmb 2 u0003 rmb 1 u0004 rmb 1 u0005 rmb 1 u0006 rmb 2 u0008 rmb 1 u0009 rmb 1 u000A rmb 1 u000B rmb 1 u000C rmb 1 u000D rmb 1 kbdsignl rmb 1 u000F rmb 1 u0010 rmb 1 u0011 rmb 1 u0012 rmb 1 u0013 rmb 1 u0014 rmb 1 u0015 rmb 1 u0016 rmb 1 u0017 rmb 22 u002D rmb 3 u0030 rmb 14 u003E rmb 32 u005E rmb 2 u0060 rmb 16 u0070 rmb 58 u00AA rmb 85 u00FF rmb 513 size equ . name equ * L000D fcs /Shell/ fcb edition L0013 fcb $13 fcs "PascalS" fcb $25 % fcs "RunC" fcb $22 " fcs "RunB" fcb $00 fcb $00 fcb $00 fcb $00 fcb $00 fcb $00 fcb $00 fcb $00 fcb $00 Intro fcb C$LF fcc "Shell" fcb C$CR DefPrmpt fcb C$LF OS9Prmpt fcc "OS9:" OS9PrmL equ *-OS9Prmpt DefPrmL equ *-DefPrmpt IcptRtn stb <kbdsignl rti start leas -$05,s pshs y,x,b,a ldb #$6F lbsr L0175 leax <IcptRtn,pcr os9 F$Icpt puls x,b,a std <u0006 beq L005B lbsr L017B bcs L00C2 tst <u000C bne L00C1 L005B lds ,s++ L005E leax <Intro,pcr tst <u0012 bne L0076 bsr WriteLin bcs Exit L0069 leax <DefPrmpt,pcr ldy #DefPrmL L0070 tst <u0012 bne L0076 bsr WritLin2 L0076 clra leax <u0070,u ldy #$00C8 os9 I$ReadLn bcc L0094 cmpb #E$EOF beq L00B8 L0087 tst <u000F bne L008F tst <u0014 bne L00C2 L008F os9 F$PErr bra L0069 L0094 cmpy #$0001 bhi L00A4 leax >OS9Prmpt,pcr ldy #OS9PrmL bra L0070 L00A4 tst <u0013 beq L00AA bsr WriteLin L00AA lbsr L017B bcc L0069 tstb bne L0087 bra L0069 eofmsg fcc "eof" fcb C$CR L00B8 tst <u0012 bne L00C1 leax <eofmsg,pcr bsr WriteLin L00C1 clrb L00C2 lda <u000F lbne L0331 Exit os9 F$Exit WriteLin ldy #80 WritLin2 lda #$02 stderr os9 I$WritLn write line rts * I=... Immortal lbsr L03B3 lbcs L02ED pshs x ldb #SS.DevNm leax <u0016,u lda #PDELIM sta ,x+ clra stdin os9 I$GetStt get device name puls x lbcs L02ED inc <u000F inc <u0010 lbsr L02ED clr <u0010 rts L00FB fdb Comment-* fcs "*" fdb Wait-* fcs "W" fdb Chd-* fcs "CHD" fdb Chx-* fcs "CHX" fdb Ex-* fcs "EX" fdb Kill-* fcs "KILL" fdb X-* fcs "X" fdb NOX-* fcs "-X" fdb Prompt-* fcs "P" fdb NoPrompt-* fcs "-P" fdb Echo-* fcs "T" fdb NoEcho-* fcs "-T" fdb SetPr-* fcs "SETPR" fdb Immortal-* fcs "I=" fdb NextCmd-* fcs ";" fdb $0000 L013A fdb Pipe-* fcs "!" fdb NextCmd2-* fcs ";" fdb Backgrnd-* fcs "&" fdb Return-* fcb $8D L0146 fdb AllRedir-* fcs "<>>>" fdb IERedir-* fcs "<>>" fdb IORedir-* fcs "<>" fdb OERedir-* fcs ">>>" fdb ErrRedir-* fcs ">>" fdb InRedir-* fcs "<" fdb OutRedir-* fcs ">" fdb StkSize-* fcs "#" fdb $0000 L0169 fcb $0d fcc "()" fcb $ff L016D fcb $0d fcc "!#&;<>" fcb $ff L0175 clr b,u decb bpl L0175 rts L017B ldb #$0E bsr L0175 L017F clr <u0003 clr <kbdsignl leay >L00FB,pcr lbsr L020F bcs L01DE cmpa #C$CR beq L01DE sta <u000C cmpa #'( bne L01BA leay >L000D,pcr sty <u0004 leax $01,x stx <u0008 L01A1 inc <u000D L01A3 leay <L0169,pcr bsr L0227 cmpa #'( beq L01A1 cmpa #') bne L01D6 dec <u000D bne L01A3 lda #$0D sta -$01,x bra L01BE L01BA bsr L01E1 bcs L01DE L01BE leay <L016D,pcr bsr L0227 tfr x,d subd <u0008 std <u0006 leax -$01,x leay >L013A,pcr bsr L020F bcs L01DE ldy <u0004 L01D6 lbne L0326 cmpa #C$CR bne L017F L01DE lbra L02ED L01E1 stx <u0004 bsr L01F4 bcs L01F3 L01E7 bsr L01F4 bcc L01E7 leay >L0146,pcr bsr L020F stx <u0008 L01F3 rts L01F4 os9 F$PrsNam bcc L0205 lda ,x+ cmpa #C$PERD bne L0209 cmpa ,x+ beq L0207 leay -$01,x L0205 leax ,y L0207 clra rts L0209 comb leax -$01,x ldb #E$BPNam rts L020F bsr L0241 pshs y bsr L0264 bcs L0220 ldd ,y jsr d,y puls y bcc L020F rts L0220 clra lda ,x puls pc,y L0225 puls y L0227 pshs y lda ,x+ L022B tst ,y bmi L0225 cmpa #$22 bne L023B L0233 lda ,x+ cmpa #$22 bne L0233 lda ,x+ L023B cmpa ,y+ bne L022B puls pc,y L0241 pshs x lda ,x+ cmpa #C$SPAC beq L0257 cmpa #C$COMA beq L0257 leax >L016D,pcr L0251 cmpa ,x+ bhi L0251 puls pc,x L0257 leas $02,s lda #C$SPAC L025B cmpa ,x+ beq L025B leax -$01,x NextCmd andcc #^Carry rts L0264 pshs y,x leay $02,y L0268 ldx ,s L026A lda ,x+ cmpa #$61 bcs L0272 suba #$20 L0272 eora ,y+ lsla bne L0286 bcc L026A lda -$01,y cmpa #$C1 bcs L0283 bsr L0241 bcs L0286 L0283 clra puls pc,y,b,a L0286 leay -$01,y L0288 lda ,y+ bpl L0288 sty $02,s ldd ,y++ bne L0268 comb puls pc,y,x Ex lbsr L01E1 clra bsr L02B8 bsr L02B7 bsr L02B7 bsr Comment leax $01,x tfr x,d subd <u0008 std <u0006 leas >u00FF,u lbsr L0497 os9 F$Chain lbra L00C2 L02B7 inca L02B8 pshs a bra L0313 Chx lda #DIR.+EXEC. bra L02C2 *Chd lda #DIR.+UPDAT. note write mode!! * Removed WRITE. requirement above (some devices are read only) Chd lda #DIR.+READ. note write mode!! L02C2 os9 I$ChgDir rts Prompt clra bra L02CB NoPrompt lda #$01 L02CB sta <u0012 rts Echo lda #$01 bra L02D3 NoEcho clra L02D3 sta <u0013 rts X lda #$01 bra L02DB NOX clra L02DB sta <u0014 rts Comment lda #$0D L02E0 cmpa ,x+ bne L02E0 cmpa ,-x rts L02E7 pshs b,a,cc lda #$01 bra L02F1 L02ED pshs b,a,cc lda #$02 L02F1 sta <u0011 clra L02F4 bsr L02FF inca cmpa <u0011 bls L02F4 ror ,s+ puls pc,b,a L02FF pshs a tst <u0010 bmi L031B bne L0313 tst a,u beq L031E os9 I$Close lda a,u os9 I$Dup L0313 ldb ,s lda b,u beq L031E clr b,u L031B os9 I$Close L031E puls pc,a L0320 fcc "WHAT?" fcb C$CR L0326 bsr L02ED leax <L0320,pcr lbsr WriteLin clrb coma rts L0331 inc <u0010 bsr L02ED lda #$FF sta <u0010 bsr L02E7 leax <u0016,u bsr L03BC lbcs Exit lda #$02 bsr L02FF lbsr L03DC clr <u0010 lbra L005E InRedir ldd #$0001 bra L036E ErrRedir ldd #$020D stb -$02,x bra L035E OutRedir lda #$01 L035E ldb #$02 bra L036E L0362 tst a,u bne L0326 pshs b,a tst <u0010 bmi L0386 bra L0378 L036E tst a,u bne L0326 pshs b,a ldb #$0D stb -$01,x L0378 os9 I$Dup bcs L03A8 ldb ,s sta b,u lda ,s os9 I$Close L0386 lda $01,s bmi L0391 ldb ,s bsr L03E1 tsta bpl L0398 L0391 anda #$0F os9 I$Dup bra L03A6 L0398 bita #$02 bne L03A1 os9 I$Open bra L03A6 L03A1 ldb #PREAD.+READ.+WRITE. os9 I$Create L03A6 stb $01,s L03A8 puls pc,b,a L03AA clra L03AB ldb #$03 bra L0362 AllRedir lda #$0D L03B1 sta -$04,x L03B3 bsr L03BC bcc L03DC L03B7 rts IORedir lda #$0D sta -$02,x L03BC bsr L03AA bcs L03B7 ldd #$0180 bra L0362 IERedir lda #$0D sta -$03,x bsr L03AA bcs L03B7 ldd #$0280 bra L0362 OERedir lda #$0D sta -$03,x lda #$01 bsr L03AB bcs L03B7 L03DC ldd #$0281 bra L0362 L03E1 pshs x,b,a ldd ,x++ cmpd #$2F30 bcs L040D cmpd #$2F32 bhi L040D pshs x,b,a lbsr L0241 puls x,b,a bcs L040D andb #$03 cmpb $01,s bne L0404 ldb $01,s ldb b,u L0404 orb #$80 stb ,s puls b,a leas $02,s rts L040D puls pc,x,b,a StkSize ldb #$0D stb -$01,x ldb <u0003 lbne L0326 lbsr ASC2Int eora #'K anda #$DF bne L042C leax $01,x lda #$04 mul tsta lbne L0326 L042C stb <u0003 lbra L0241 Return leax -$01,x lbsr L04CA bra L043B NextCmd2 lbsr L04C6 L043B bcs L044E lbsr L02ED bsr L045F L0442 bcs L044E lbsr L0241 cmpa #$0D bne L044D leas $04,s L044D clrb L044E lbra L02ED Backgrnd bsr L04C6 bcs L044E bsr L044E ldb #$26 lbsr L0597 bra L0442 Wait clra L045F pshs a L0461 os9 F$Wait tst <kbdsignl beq L0479 ldb <kbdsignl cmpb #$02 bne L0491 lda ,s beq L0491 os9 F$Send clr ,s bra L0461 L0479 bcs L0495 cmpa ,s beq L0491 tst ,s beq L0486 tstb beq L0461 L0486 pshs b bsr L044E ldb #$2D lbsr L0597 puls b L0491 tstb beq L0495 coma L0495 puls pc,a L0497 lda #Prgrm+Objct ldb <u0003 ldx <u0004 ldy <u0006 ldu <u0008 rts L04A3 lda #EXEC. os9 I$Open bcs L0500 leax <u005E,u ldy #$000D os9 I$Read pshs b,cc os9 I$Close puls b,cc lbcs L0561 lda $06,x ldy $0B,x bra L04D9 L04C6 lda #$0D sta -$01,x L04CA pshs u,y,x clra ldx <u0004 IFGT Level-1 os9 F$NMLink ELSE os9 F$Link ENDC bcs L04A3 ldx <u0004 os9 F$UnLoad L04D9 cmpa #Prgrm+Objct beq L0527 sty <u000A leax >L0013,pcr L04E4 tst ,x beq L055F cmpa ,x+ beq L04F2 L04EC tst ,x+ bpl L04EC bra L04E4 L04F2 ldd <u0008 subd <u0004 addd <u0006 std <u0006 ldd <u0004 std <u0008 bra L0525 L0500 ldx <u0006 leax $05,x stx <u0006 ldx <u0004 ldu $04,s lbsr InRedir bcs L0561 ldu <u0008 ldd #$5820 std ,--u ldd #$5020 std ,--u ldb #$2D stb ,-u stu <u0008 leax >L000D,pcr L0525 stx <u0004 L0527 ldx <u0004 lda #Prgrm+Objct IFGT Level-1 os9 F$NMLink ELSE os9 F$Link ENDC bcc L0535 IFGT Level-1 os9 F$NMLoad ELSE os9 F$Load ENDC bcs L0561 L0535 tst <u0003 bne L0542 tfr y,d addd <u000A addd #$00FF sta <u0003 L0542 lbsr L0497 os9 F$Fork pshs b,a,cc bcs L0552 ldx #$0001 os9 F$Sleep L0552 lda #Prgrm+Objct ldx <u0004 clr <u0004 clr <u0005 os9 F$UnLoad puls pc,u,y,x,b,a,cc L055F ldb #E$NEMod L0561 coma puls pc,u,y,x PipeName fcc "/pipe" fcb C$CR Pipe pshs x leax <PipeName,pcr ldd #$0103 lbsr L0362 puls x bcs L05CB lbsr L04C6 bcs L05CB lda ,u bne L0589 os9 I$Dup bcs L05CB sta ,u L0589 clra os9 I$Close lda #$01 os9 I$Dup lda #$01 lbra L02FF L0597 pshs y,x,b,a pshs y,x,b leax $01,s ldb #$2F L059F incb suba #100 bcc L059F stb ,x+ ldb #$3A L05A8 decb adda #$0A bcc L05A8 stb ,x+ adda #$30 ldb #$0D std ,x leax ,s lbsr WriteLin leas $05,s puls pc,y,x,b,a * Kill a process Kill bsr ASC2Int cmpb #$02 compare against first user process ID bls L05E7 if lower or same, tfr b,a transfer process ID to A ldb #S$Kill load B with kill signal os9 F$Send and send to process in A L05CB rts * Entry: X = ASCII representation of number * Exit : B = decimal value of ASCII number ASC2Int clrb L05CD lda ,x+ suba #$30 cmpa #$09 bhi L05DE pshs a lda #10 mul addb ,s+ bcc L05CD L05DE lda ,-x bcs L05E5 tstb bne L05CB L05E5 leas $02,s L05E7 lbra L0326 SetPr bsr ASC2Int stb <u0015 lbsr L0241 bsr ASC2Int lda <u0015 os9 F$SPrior rts emod eom equ * end