.IF NDF DEV .TITLE GD4010 - TEK 4010 DRIVER .IFF .IIF EQ DEV-4006 .TITLE GD4006 - TEK 4006 DRIVER .IIF EQ DEV-4010 .TITLE GD4010 - TEK 4010 DRIVER .IIF EQ DEV-4012 .TITLE GD4012 - TEK 4012 DRIVER .IIF EQ DEV-4014 .TITLE GD4014 - TEK 4014 DRIVER .ENDC ;NDF DEV .IDENT /VERS20/ .SBTTL HOW TO CUSTOMIZE THIS PACKAGE .ENABLE LC ; This file contains the 401X driver for DIGLIB. ; THIS PACKAGE IS CONDITIONAL ASSEMBLED. THE CONDITIONALS ; AND THEIR RESPECTIVE MEANINGS ARE LISTED BELOW. ; ;1) SET THE SYMBOL "OS" TO: ; 1 ==> RT-11 ; 2 ==> TSX ; 3 ==> RSX11M (IMPLIES F4P OR F77) .IF NDF OS OS = 3 .ENDC ;3) SET THE SYMBOL "DEV" TO THE PROPER DEVICE TYPE: ; 4010, 4014, ETC. .IF NDF DEV DEV = 4010 .ENDC ;NDF DEV .SBTTL DEFINATIONS, ECT. .IF NE OS-3 .MCALL .PRINT, .TTYIN JSW = 44 TTSPC = 50000 ;SPECIAL MODE + LOWER CASE ENABLE .IFF .MCALL QIOW$, DIR$ .ENDC ;NE OS-3 (RSX11M) .GLOBL GDAID, GDGAID .IIF EQ OS-3 .GLOBL WAIT F0 = %0 ;FLOATING PT. REG. 0 FOR RSX11M .IF EQ OS-3 BUFSIZ = 130. .IFF BUFSIZ = 78. .ENDC GS = 29. ;DEFINE TEKTRONIX 4010 CONTROL CODES US = 37 ;GO TO ASCII MODE CR = 15 LF = 12 FF = 14 ;FORM-FEED FOR FOR 4010 ERASE ESC = 33 CSUB = 32 ;ERROR MACRO DEFINATION .MACRO ERROR TEXT JSR R0,ERROR1 .ASCIZ @TEXT@ .EVEN .ENDM ERROR .PSECT GD401X ;WE ARE RELOCATABLE .SBTTL ENTRY POINT .IIF EQ DEV-4006 GD4006:: .IIF EQ DEV-4010 GD4010:: .IIF EQ DEV-4012 GD4012:: .IIF EQ DEV-4014 GD4014:: TST (R5)+ ;SKIP ARG COUNT MOV @(R5)+,R0 ;GET FUNCTION TO PERFORM BLE 1$ ;ITS A BADDY ASL R0 ;MAKE WORD OFFSET ADD #DSPTBL-2,R0 ;R0 ==> ADDRESS OF PROCESSING ROUTINE CMP R0,#TBLEND ;SEE IF UNSUPPORTED FUNCTION BGE 1$ ;YES JMP @(R0)+ ;NO, DISPATCH TO ROUTINE 1$: ERROR DSPTBL: .WORD INIT, BGNPLT, MOVE, DRAW, ENDPLT, RLSDEV .WORD GETCHR,SETCOL,GIN TBLEND: .SBTTL INIT AND BGNPLT ; ;INITIALIZE - FUNCTION 1 ; INIT: .IF EQ OS-2 ;IF BLOODY TSX THEN MOV #ON,R0 ;TELL TSX TO LEAVE EMT 375 ;OUR TTY OUTPUT ALONE .IFTF JSR PC,DOINIT MOV 2(R5),R4 ;R4 ==> YA(1) CLR (R4)+ ;YA(1) = 0.0 CLR (R4)+ ;MEANS NO ERROR ON INIT. RTS PC .IFT ON: .BYTE 1,120 ;FROM BILL MCDONALD .ENDC ;EQ OS-2 ; ;BGNPLT - FUNCTION 2 ; BGNPLT: JSR PC,DOINIT ;KILL ANY LEFT OVER GRAPHICS JSR R4,INSEND ;REQUEST A GRAPHICS ERASE .BYTE GS,ESC,FF .BYTE 0 .EVEN CLR XPOSN ;AND RESET X & Y POSN CLR YPOSN .IF NE OS-3 MOV #4,R1 ;USE SOFTWARE DELAY UNDER RT-11 AND TSX CLR R0 1$: SOB R0,1$ SOB R1,1$ .IFF ;NE OS-3 MOV #WAIT5,R5 ;CALL WAIT(1,2,IDSW) JSR PC,WAIT ;WAIT FOR ONE SECOND .ENDC ;NE OS-3 RTS PC ;DONE .IF EQ OS-3 WAIT5: .WORD 3,TMG,TNT,IDSW TMG: .WORD 1 TNT: .WORD 2 IDSW: .WORD 0 .ENDC ;EQ OS-3 (RSX) .SBTTL MOVE AND DRAW ; ;MOVE - FUNCTON 3 ; MOVE: JSR PC,MAKINT ;SCALE SCREEN CM COORD. TO GDU MOV NEWX,XPOSN ;SET NEW POSITION MOV NEWY,YPOSN SETPOS: MOVB #1,DOINGV ;SHOW MOVED RTS PC ;RETURN TO FORTRAN ; ;DRAW - FUNCTION 4 ; DRAW: JSR PC,MAKINT ;CONVERT SCREEN CM COORD. TO GDU CMPB DOINGV,#2 ;SEE IF IN A SERIES OF VECTORS BEQ ADDTO ;YES, JUST ADD THIS ONE STVCT: JSR PC,SETXY ;START A VECTOR AT XPOSN,YPOSN MOVB #2,DOINGV ;SHOW VECTOR MODE ADDTO: CMP BUFCNT,#BUFSIZ-8. ;SEE IF ROOM FOR MORE BPL STVCT ;NOPE, RESTART MOV NEWY,R3 ;AND DO NEW POINT JSR PC,CVTY MOV NEWX,R3 ;AND X PART JSR PC,CVTX ALLDON: MOV NEWX,XPOSN ;AND SET TO NEW POSITION MOV NEWY,YPOSN RTS PC SETXY: CMP BUFCNT,#BUFSIZ-15. ;SEE IF ENOUGH ROOM LEFT IN BUFFER BLO 1$ ;YES JSR PC,PLTMT1 ;EMPTY BUFFER 1$: JSR R4,INSERT ;AND START A VECTOR .BYTE GS,0 .EVEN MOV YPOSN,R3 ;DO OLD Y JSR PC,CVTY MOV XPOSN,R3 ;DO OLD X ALSO JSR PC,CVTX RTS PC ;ALL DONE NOW .SBTTL ENDPLT AND RLSDEV ; ;END OF PLOTTING (FLUSH BUFFER) - FUNCTION 5 ; ENDPLT: JSR PC,PLTMTY ;FORCE LAST BUFFER OUT CLR XPOSN ;MOVE CURSOR OF 4010 TO TOP LEFT MOV #767.,YPOSN ;VERY TOP, VERY LEFT JSR PC,SETXY ;DO MOVE NOW JSR PC,PLTMT1 ;FORCE OUT THE LAST OF THE GRAPHICS RTS PC ; ;RELEASE DEVICE - FUNCTION 6 RLSDEV: JSR PC,ENDPLT .IF EQ OS-2 ;IF BLOODY TSX THEN MOV #OFF,R0 ;RESTORE TSX TO "NORMAL" TTY MODE EMT 375 .IFTF RTS PC .IFT OFF: .BYTE 0,120 ;FROM BILL MCDONALD .ENDC ;EQ OS-2 .SBTTL GETCHR - GET CHARACTERISTICS ; ;GET DEVICE CHARACTERISTICS - FUNCTION 7 ; GETCHR: MOV (R5)+,R4 ;R4 ==> OUTPUT ARRAY MOV #CHRTBL,R0 ;R0 ==> OUR CHARACTERISTICS MOV #CWORDS,R1 ;R1 = NUMBER OF WORDS TO MOVE 1$: MOV (R0)+,(R4)+ ;MOVE CHARACTERISTICS SOB R1,1$ RTS PC CHRTBL: .IF EQ DEV-4006 ; ;4006 ; .FLT2 4004.0 .FLT2 ?? ;PLACE 4006 X AXIS LENGTH IN CM. HERE .FLT2 ?? ;PLACE 4006 Y AXIS LENGTH IN CM. HERE XGUPCM: .FLT2 ?? ;PLACE 4006 X AXIS RESOLUTION IN ; GRAPHICS UNITS PER CM. HERE YGUPCM: .FLT2 ?? ;PLACE 4006 Y AXIS RESOLUTION IN ; GRAPHICS UNITS PER CM. HERE .FLT2 1.0 ;1 FOREGROUND COLOR .FLT2 130.0 ;STORAGE TUBE, GIN AVAILABLE .ENDC ;DEV-4006 .IF EQ DEV-4010 ; ;4010 ; .FLT2 4010.0, 21.4916, 16.1134 XGUPCM: .FLT2 47.6 YGUPCM: .FLT2 47.6 .FLT2 1.0 .FLT2 130.0 ;STORAGE TUBE, GIN AVAILABLE .ENDC ;DEV-4010 .IF EQ DEV-4012 ; ;4012 ; .FLT2 4012.0 .FLT2 20.02 ;X AXIS LENGTH .FLT2 15.01 ;Y AXIS LENGTH XGUPCM: .FLT2 51.1 ;X AXIS RESOLUTION IN GU/CM. YGUPCM: .FLT2 51.1 ;Y AXIS RESOLUTION IN GU/CM. .FLT2 1.0 ;1 FOREGROUND COLOR .FLT2 130.0 ;STORAGE TUBE, GIN AVAILABLE .ENDC ;DEV-4012 .IF EQ DEV-4014 ; ;4014 ; .FLT2 4014.0 .FLT2 34.796, 26.0884 ;X AND Y AXIS LENGTH XGUPCM: .FLT2 29.4 YGUPCM: .FLT2 29.4 .FLT2 1.0 ;1 FOREGROUND COLOR .FLT2 130.0 ;STORAGE TUBE, GIN AVAILABLE .ENDC ;DEV-4014 .FLT2 1.0 ;ALL DEVICES NEED EVERY LINE FILLED CWORDS = <.-CHRTBL>/2 .SBTTL SELECT COLOR ; ;SELECT COLOR - FUNCTION 8 ; SETCOL: RTS PC .SBTTL GIN COMMAND COMMON ; ;GRAPHICS INPUT WITH PICK CHARACTER - FUNCTION 8 ; GIN: JSR PC,PLTMTY ;FLUSH BUFFER .IF EQ OS-3 ;RSX-11M MOV #FLUSH,QDPB+Q.IOPL ;SET ADDRESS OF FLUSH TYPE AHEAD MOV #FLSIZ,QDPB+Q.IOPL+2 ;NUMBER OF BYTES MOV #SF.SMC,QDPB+Q.IOFN ;SET FUNCTION TO SET MULT. CHAR DIR$ #QDPB ;FLUSH THE TYPEAHEAD BUFFER .ENDC ;EQ OS-3 (RSX11M) JSR R4,INSERT ;INSERT A REQUEST FOR ALPHA POSITION .BYTE ESC,5 .IIF NE OS-3 .BYTE 200 .BYTE 0 .EVEN JSR PC,GETLIN ;READ POSITION OF ALPHA CURSOR JSR PC,GINCHR ;IGNORE STATUS BYTE JSR PC,UNPACK ;GET ALPHA X MOV R0,-(SP) ;SAVE IT JSR PC,UNPACK ;GET ALPHA Y MOV R0,-(SP) ;SAVE IT ALSO JSR PC,DOINIT ;CLEAN BUFFER JSR R4,INSERT ;DO A POSITION COMMAND .BYTE GS,0 .EVEN MOV GINY,R3 ;MOVE TO PREVIOUS GIN POSITION JSR PC,CVTY ;CONVERT TO 4010 CODE MOV GINX,R3 ;X LAST FOR 4010 JSR PC,CVTX JSR R4,INSERT ;PLACE REQUEST FOR GIN IN BUFFER .BYTE ESC,CSUB .IIF NE OS-3 .BYTE 200 .BYTE 0 .EVEN JSR PC,GETLIN ;GET THE RESPONSE MOV (R5)+,R4 ;R4 ==> ARRAY FOR CHAR,X,Y JSR PC,GINCHR ;GET GIN CHARACTER STRUCK .IF EQ OS-3 ;IF RSX, THEN F4P/F77 SO FPU SETF SETI LDCIF R0,F0 ;FLOAT R0 INTO F0 STF F0,(R4)+ ;PLACE CHARACTER FIRST IN ARRAY .IFF ;NO FPU JSR PC,FLOAT ;FLOAT THE NUMBER MOV R0,(R4)+ ;PLACE IT FIRST IN THE ARRAY MOV R1,(R4)+ .ENDC ;EQ OS-3 MOV R4,UNXADD ;SHOW WHERE TO STORE X IN CM. ADD #4,R4 ;FIGURE OUT WHERE Y IN CM. GOES MOV R4,UNYADD ;SHOW WHERE TO STORE Y IN CM. JSR PC,UNPACK ;GET IX MOV R0,GINX ;SAVE GIN X POSITION JSR PC,UNPACK ;GET IY MUL #8.,R0 ;SCALE Y BY 8/13 ADD #6,R1 ;ROUND DIV #13.,R0 MOV R0,GINY ;SAVE IY MOV #UNSCR5,R5 ;PREPARE TO UNSCALE IX,IY TO X,Y JSR PC,GDGAID ;CALL FTN TO UNSCALE JSR PC,DOINIT ;CLEAN UP BUFFER JSR R4,INSERT ;DO A POSITION COMMAND .BYTE GS,0 .EVEN MOV (SP)+,R3 ;MOVE TO PREVIOUS ALPHA POSITION JSR PC,CVTY ;CONVERT TO 4010 CODE MOV (SP)+,R3 ;X LAST FOR 4010 JSR PC,CVTX JSR PC,PLTMT2 ;EMPTY THE CURRENT BUFFER RTS PC ;AND DONE UNSCR5: .WORD 6 .WORD GINX,GINY,XGUPCM,YGUPCM UNXADD: .WORD 0 UNYADD: .WORD 0 .IF EQ OS-3 FLUSH: .BYTE TC.TBF .BYTE 0 FLSIZ = . - FLUSH .ENDC ;EQ OS-3 (RSX11M) .SBTTL GIN SUPPORT SUBROUTINES .IF NE OS-3 ;RT OR TSX GETLIN: .PRINT #BUFST ;OUTPUT THE DESIRED PROMPT MOV #BUFST,R1 ;INPUT TO OUR OUTPUT BUFFER MOV @#JSW,-(SP) ;SAVE OLD JSW BIS #TTSPC,@#JSW ;INHIBIT ECHO BY RT-11 1$: .TTYIN ;GET A CHARACTER CMPB R0,#LF ;SEE IF CR? BEQ 2$ ;YES, GOT RESPONSE NOW MOVB R0,(R1)+ ;NO, PUT CHARACTER IN BUFFER BR 1$ ;GO GET NEXT CHARACTER 2$: CMP R1,#BUFST+4 ;SEE IF FAKED OUT BY "CR" AS PICK CHARACTER BLO 1$ ;IF SO, IGNORE LINEFEED AND GO GET MORE CLRB (R1)+ ;SHOW END OF INPUT MOV (SP)+,@#JSW ;RESTORE TO ORIGINAL STATE MOV #BUFST,R3 ;R3 ==> GIN CHARACTER RTS PC .IFF ;RSX11M I/O GETLIN: MOV #BUFST,QDPB+Q.IOPL ;SET BUFFER START ADDRESS MOV #6,QDPB+Q.IOPL+2 ;SET EXPECTED NUMBER OF BYTES MOV #IO.RPR!TF.RNE!TF.RAL,QDPB+Q.IOFN ;READ AFTER PROMPT ;WITH NO ECHO ;READ ALL BYTES MOV #BUFST,QDPB+Q.IOPL+6 ;SET PROMPT ADDRESS MOV BUFCNT,QDPB+Q.IOPL+10 ;SET PROMPT SIZE CLR QDPB+Q.IOPL+12 ;VFC = NONE MOV #5,QDPB+Q.IOLU ;MAKE SURE LUN=5 DIR$ #QDPB ;EXECUTE THE READ AFTER PROMPT BCS RDERR ;VERY BAD CMPB IOSB,#IS.SUC ;MAKE SURE READ WORKED BNE RDERR ;WE FAILED, SORRY. MOV #BUFST,R3 ;R3 ==> GIN CHARACTER RTS PC ;AH, THE SWEET SMELL OF SUCCESS RDERR: ERROR .ENDC ;NE OS-3 (RSX11M) GINCHR: MOVB (R3)+,R0 ;GET GIN CHARACTER BIC #177600,R0 ;MAKE 7 BIT ASCII RTS PC ;DONE UNPACK: MOVB (R3)+,R2 ;GET HIGH PART BIC #177740,R2 ;GET ONLY 5 LSB ASL R2 ;X2 ASL R2 ;X4 ASL R2 ;X8 ASL R2 ;X16 ASL R2 ;X32 MOVB (R3)+,R0 ;GET LOW PART BIC #177740,R0 ;ONLY 5 LSB BIS R2,R0 ;OR IN HIGH PART RTS PC ;ALL DONE .SBTTL ASCII CODING ROUTINES CVTX AND CVTY CVTY: MOV #96.,LOBIAS ;Y LOW BIAS IS 96 BR CVT ;GO CONVERT CVTX: MOV #64.,LOBIAS ;X LOW BIAS IS 64 CVT: MOV BINPTR,R1 ;GET A POINTER INTO BUFFER MOV R3,-(SP) ;SAVE A COPY BIC #176037,R3 ;GET HIGH 5 BITS ASL R3 ;POSITION THEM ASL R3 ASL R3 SWAB R3 ;FINALLY GOT EM INTO LOW 5 BITS ADD #32.,R3 ;CODE AS CHARACTER MOVB R3,(R1)+ ;INSERT INTO BUFFER MOV (SP)+,R3 ;GET COPY BACK BIC #177740,R3 ;ONLY LOW BITS ADD LOBIAS,R3 ;MAKE PROPER CHARACTER MOVB R3,(R1)+ ;INSERT IT ALSO MOV R1,BINPTR ;RESTORE POINTER ADD #2,BUFCNT ;ACCOUNT FOR INSERTING TWO RTS PC ;WE DID IT ALL LOBIAS: .WORD 0 .SBTTL MAKINT SUBROUTINE MAKINT: MOV (R5)+,XADD ;PASS X ARG ON MOV (R5)+,YADD ;PASS Y ARG ON MOV #SCLR5,R5 ;PREPARE TO CALL A FTN CALC. ROUTINE JSR PC,GDAID RTS PC SCLR5: .WORD 6 XADD: .WORD 0 YADD: .WORD 0 .WORD XGUPCM .WORD YGUPCM IXADD: .WORD NEWX IYADD: .WORD NEWY GETINT: MOV (R5)+,R4 ;POINT TO FLOATING VALUE GETIN2: .IF EQ OS-3 ;IF RSX, THEN F4P/F77 SO FPU SETF SETI LDF (R4)+,F0 ;GET FLOATING VALUE STCFI F0,R1 ;PLACE 16 LSB IN R1 RTS PC ;THATS IT .IFF ;NO FPU MOV (R4)+,R0 ;GET HIGH PART MOV (R4)+,R1 ;GET LOW PART MOV R0,R3 ;COPY EXPONENT MOV R0,-(SP) ;SAVE SIGN ALSO BIC #177600,R0 ;GET MANTISSA (ALMOST) BIS #200,R0 ;RESTORE HIDDEN BIT TO MANTISSA ASL R3 ;ALIGN EXPON. IN HIGH BYTE SWAB R3 ;PUT IN LOW BYTE BIC #177400,R3 ;GET ONLY EXPON. SUB #200,R3 ;TAKE OUT EXCESS 200 FROM EXPON. BLE 2$ ;IF <0 THEN NUMBER <1 SUB #24.,R3 ;COMPUTE RIGHT SHIFT COUNT CMP R3,#8. ;SEE IF > 2**32 -1 BGE 2$ ;IF THAT BIG, USE ZERO ASHC R3,R0 ;SHIFT RIGHT PROPER NUMBER OF BITS TST (SP)+ ;SEE IF MINUS BPL 1$ COM R0 ;NEG. D.P. INTEGER NEG R1 ADC R0 ;PROPAGE CARRY 1$: RTS PC ;AND DONE 2$: CLR R1 ;RETURN 0 CLR R0 TST (SP)+ ;FORGET STUFF ON STACK RTS PC FLOAT: MOV R0,R1 ;PREPARE TO FLOAT BEQ 9$ ;ALL DONE SIZE ITS ZERO CLR R0 ;ZERO HIGH PART MOV R2,-(SP) ;SAVE R2 MOV #46000,R2 ;R2=EXPONENT OF 24 BIT NUMBER 1$: SUB #200,R2 ;WHACK DOWN EXPONENT AS WE NORMALIZE ASL R1 ;SHIFT LOW LEFT ROLB R0 ;SHIFT HIGH LEFT BPL 1$ ;NOPE, KEEP ON SHIFTING BIC #177600,R0 ;KILL MSB BIS R2,R0 ;MAKE FLOATING PT. EXP + MANTISSA MOV (SP)+,R2 ;RESTORE R2 9$: RTS PC ;DONE .ENDC ;EQ OS-3 .SBTTL UTILITY ROUTINES ; ;CALL PLTMTY ; ;THIS ROUTINE EMPTIES THE GRAPHICS BUFFER PLTMTY: CMPB DOINGV,#1 ;SEE IF BEAM WAS POSITIONED? BNE PLTMT1 ;NOPE JSR PC,SETXY ;YES, MOVE THERE PLTMT1: TST BUFCNT ;MAKE SURE SOMETHING TO SEND BEQ EXIT PLTMT2: MOV BINPTR,R1 ;SET INPUT POINTER IN R1 MOVB #US,(R1)+ ;TERMINATE WITH "GO TO ASCII" INC BUFCNT ;SHOW CHARACTER THERE .IF NE OS-3 MOVB #200,(R1)+ ;TERMINATE WITH NO CR/LF .PRINT #BUFST ;DO THE I/O NOW .IFF ;RSX11M I/O JSR PC,DOQIO ;SEND TO THE TERMINAL .ENDC ;NE OS-3 (RSX11M) DOINIT: CLRB DOINGV ;NOT DOING A VECTOR CLR BUFCNT ;NO CHARS LEFT IN BUFFER ANY MORE MOV #BUFST,BINPTR ;RESTORE TO START OF BUFFER EXIT: RTS PC ;AND DONE .IF NE OS-3 ;RT-11 AND TSX ERROR ERROR1: MOV R0,-(SP) ;SAVE POINTER TO ERROR CODE .PRINT #NAME ;OUTPUT DRIVER NAME MOV (SP)+,R0 ;RESTORE POINTER TO TEXT .PRINT ;MAKE .PRINT CALL TRAP 300+63. ;GIVE FORTRAN ERROR MESSAGE .IFF ;RSX11M WITH F4P/F77 ERROR ERROR1: MOV #BUFST,R1 ;R1 ==> ERROR MESSAGE AREA MOV #NAME,R2 ;R2 ==> START OF MESSAGE 1$: MOVB (R2)+,(R1)+ ;MOVE START OF MESSAGE BNE 1$ ;GO TILL ALL MOVED DEC R1 ;BACK UP TO NEXT FREE BYTE 2$: MOVB (R0)+,(R1)+ ;PLACE SECOND HAVE OF MESSAGE IN BUFFER BNE 2$ CLR -(SP) ;2ND WORK OF MESSAGE BLOCK MOV #BUFST,-(SP) ;SET ADDRESS OF TEXT MOV SP,R0 ;R0 ==> MSG BLOCK CLR R1 ;SIGNAL NOT AN ERROR YET JSR PC,$ERRLG ;TYPE OUR MESSAGE CMP (SP)+,(SP)+ ;CLEAN UP THE STACK TRAP +341 ;GIVE NON-FTN4PLUS ERROR MESSAGE .ENDC ;NE OS-3 NAME: .IIF NE OS-3 .BYTE 15,12 .IIF EQ DEV-4006 .ASCIZ 'GD4006 - ' .IIF EQ DEV-4010 .ASCIZ 'GD4010 - ' .IIF EQ DEV-4012 .ASCIZ 'GD4012 - ' .IIF EQ DEV-4014 .ASCIZ 'GD4014 - ' .EVEN INSERT: CLR INFLG ;SHOW INSERT BR PUT INSEND: MOV R4,INFLG ;SHOW INSEND PUT: MOV R1,-(SP) ;SAVE R1 MOV BINPTR,R1 ;GET POINTER TO BUFFER 1$: MOVB (R4)+,(R1)+ ;INSERT A CHAR BEQ 2$ ;BRANCH ON END OF STRING INC BUFCNT ;ADD UP CHARS CMP BUFCNT,#BUFSIZ-1 ;CHECK FOR TOO MANY BMI 1$ ;NOPE ERROR 2$: DEC R1 ;BACK UP TO REAL CHAR MOV R1,BINPTR ;RESTORE POINTER MOV (SP)+,R1 ;RESTORE R1 TST INFLG ;SEE IF WE SHOULD SEND ALSO BEQ EVNOUT ;NOPE JSR PC,PLTMT2 ;SEND BUFFER EVNOUT: INC R4 ;MAKE R4 EVEN BIC #1,R4 RTS R4 .IF EQ OS-3 .SBTTL QIO DRIVER DOQIO: MOV #BUFST,QDPB+Q.IOPL ;SET BUFFER ADDRESS MOV BUFCNT,QDPB+Q.IOPL+2 ;SET BYTE COUNT MOV #'+,QDPB+Q.IOPL+4 ;SET TO FORT. VFC - SUPPRESS LF MOV #IO.WAL,QDPB+Q.IOFN ;SET TO WRITE VIRTUAL BLOCK MOV #5,QDPB+Q.IOLU ;SET LUN=5 (TI:) DIR$ #QDPB ;EXECUTE THE QIO BCS WRTERR ;OOPS TSTB IOSB ;MAKE SURE TRANSFER WORKED BMI WRTERR ;OOPS RTS PC ;WHEW, WE DID IT UNDER RSX WRTERR: ERROR QDPB: QIOW$ IO.WAL,0,24.,0,IOSB,0, IOSB: .BLKW 2 .ENDC ;EQ OS-3 (RSX11M) .SBTTL VARIABLES AND BUFFER XPOSN: .WORD 0 YPOSN: .WORD 0 NEWX: .WORD 0 NEWY: .WORD 0 GINX: .WORD 1024./2 GINY: .WORD 768./2 INFLG: .WORD 0 DOINGV: .BYTE 0 .EVEN BINPTR: .WORD BUFST ;MUST BE INITIALIZED TO "BUFST" BUFCNT: .WORD 0 BUFST: .BLKB BUFSIZ+2 ;+2 FOR SAFETY .END