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/ASSIGN TAPE USER DEVICE NAMES FROM INTERNAL LABELS /THIS VERSION IS INDEPENDENT OF THE DEVICE /NUMBERS ASSOCIATED WITH TAPES. HENCE /IT WILL RUN WITH OS/8 SYSTEM WITH "BUILD". /MODIFIED 8/21/74 /TO LOOK UP DEVICE TYPE FROM DCB TABLE TO DECIDE /IF TC08 DECTAPE OR LINCTAPE. /MODIFIED 7/19/73 /TO USE BLOCK 6 AS PARAMETER BLOCK. /ASSEMBLY INFORMATION: / .CO DTA /L / *=12000(89)$ / .SA SYS AUTOAS /NOTE THIS PROGRAM MAY BE RUN ON NON-DECSYSTEM-8 SYSTEMS /VIA JUST .R AUTOAS USR=200 DCB=7760 /DCB TABLE FIELD 1 *2000 CLA CLL JMS I (7700 /USRIN 10 DCBLOP, TAD I DCBTP /GET DCB ENTRY AND (7770 /NOT INTERESTED IN ACTIVE TENATIVE TAD (-4160 /DECTAPE TYPE SNA JMP TC08TYP /IS TC08 DECTAPE TAD (4160-4170 /LINCTAPE TYPE SNA JMP LTATYP /IS LINCTAPE TAD (4170-4210 /TD8E DECTAPE SNA CLA JMP TD8ETYP /SOMEDAY DO TD8E STUFF ISZ DCBTP /NEXT ENTRY IN TABLE ISZ DCBCNT /ONLY CHECK 17 OF THEM JMP DCBLOP /CHECK NEXT JMP EXIT /NO GOT NONE!!! DTAX, DEVICE DTA LTAX, DEVICE LTA LTATYP, TAD (LTAONLINE DCA ONLINE /CHANGE ONLINE TO LTA TYPE TAD LTAX /AND CHANGE NAME CHECK DCA DTAX TAD LTAX DCA ZDEVN /AND FOR INQUIRE TC08TYP, /EVERYTHING SET UP FOR TC08 ZDTLP, CLA CLL /WE WISH TO DELETE THE USER DEVICE JMS I (USR /NAMES. SO INQUIRE DEVICE NUMBERS 12 /AND BUILD "UNITABLE". ZDEVN, DEVICE DTA0 /DEVICE NAME;DEVICE NUMBER 0 JMP LOOP /HAVE GONE THROUGH ALL AVAILABLE UNITS. TAD ZDEVN+1 /PICK UP DEVICE NUMBER DCA I ZDTPTR /AND SAVE IN TABLE ISZ ZDTPTR /POINT TO NEXT TAD ZDEVN+1 /NOW CALC ADDRESS OF USER DEV. NAME TABLE TAD (7740 /IS 7740+DEV# DCA ZDTCT DCA I ZDTCT /NOW CLEAR OUT OLD ENTRY TAD DTAX /NOW RESTORE DEVICE NAME DCA ZDEVN /FIRST WORD TAD DTAX+1 /SECOND WORD (NO NUMBER) TAD ZDTPTR /AND PUT IN UNIT NUMBER TAD (60-UNITABLE DCA ZDEVN+1 JMP ZDTLP /AND LOOP FOR NEXT UNIT. LOOP, CLA CLL ISZ UNIT TAD I UNIT /PICK UP DEV. NUMBER SNA CLA /ZEROS END LIST JMP EXIT TAD UNIT TAD (-UNITABLE /TO CALC UNIT NUMBER JMS I ONLINE /IS THIS UNIT ONLINE JMP LOOP /NO JMS CRLF JMS DOLABL JMP LOOP ZDTPTR, UNITABLE ZDTCT, 0 UNIT, UNITABLE-1 ONLINE, DTAONL DCBTP, DCB /POINTER TO DCB TABLE DCBCNT, -17 /TABLE LENGTH
EXIT, CLA CLL CIF CDF 0 JMP I (7600 PRTEXT, 0 DCA PRTIP TAD I PRTIP SNA JMP I PRTEXT RTR RTR RTR JMS PR6BIT TAD I PRTIP JMS PR6BIT ISZ PRTIP JMP PRTEXT+2 PRTIP, 0 PR6BIT, 0 AND (77 SNA JMP I PRTEXT TAD (-40 SPA TAD (100 TAD (240 JMS OPUTC JMP I PR6BIT OPUTC, 0 TLS TSF JMP .-1 CLA CLL JMP I OPUTC PAGE
DOLABL, 0 CLA CLL TAD (4001 DCA HANENT TAD UNIT DCA UNIT2 /COPY POINTER TO THIS PAGE TAD I UNIT2 /PICK UP DEVICE NUMBER JMS I (USR 1 /FETCH ITS HANDLER HANENT, 0 HLT CIF 0 JMS I HANENT /READ 0110 /1 PAGE (128 WDS) TO FIELD 1 4000 /AT LOC 4000-4177 0 /BLOCK ZERO OF TAPE HLT CIF 0 JMS I HANENT /READ 0111 /1 PAGE 4200 /BEHIND BLOCK 0 6 /PARAMETER BLOCK HLT CLA CLL TAD (DTAX JMS PRTEXT TAD UNIT2 TAD (260-UNITABLE /MAKES ASCII UNIT NUMBER JMS OPUTC DCA LABEL DCA LABEL+1 /CLEAR FROM PREVIOUS DCA LABEL+2 ISZ I (4202 /SKIP IF PARAM BLOCK JMP BLK0 /NO: TRY BLOCK 0 TAD I (4300 /GET LABLE CHARS JMS RTL6 /OVER TO HIGH ORDER DCA LABEL /FOR LABEL CHECK. TAD I (4301 /NEXT AND (77 TAD LABEL /FINISH UP 1ST TWO DCA LABEL TAD I (4302 /3RD CHAR JMS RTL6 /OVER TO HIGH ORDER DCA LABEL+1 TAD I (4303 /LAST CHAR AND (77 TAD LABEL+1 DCA LABEL+1 TAD I (4277 /INTERNAL LABLE DCA INTLBL /STASH JMP LFINISH /GO FINISH UP BLK0, TAD I (4000 TAD (-6260 SZA CLA JMP UNLAB TAD I (4001 TAD (-0714 SZA CLA JMP UNLAB TAD I (4005 /WE ARE WORKING ON LABEL AND (7400 CLL RTR DCA LABEL TAD I (4004 AND (1400 CLL RTL TAD LABEL DCA LABEL TAD I (4006 AND (77 TAD LABEL DCA LABEL TAD LABEL DCA INTLBL LFINIS, TAD (PRLABL JMS PRTEXT TAD (LABEL JMS CHKDUP JMP DUPLAB /WE ALREADY HAVE DEVICE BY THAT NAME CLA CLL TAD (7740 /CALCULATE TAD I UNIT2 /INDEX INTO TABLE DCA ASGIND TAD INTLBL /GET INTERNAL LABEL DCA I ASGIND /ENTER IT JMP I DOLABL INTLBL, 0 UNIT2, 0 ASGIND, 0 PRLABL, 4040 LABEL, 0;0;0 UNLAB, TAD (PRUNL JMS PRTEXT JMP I DOLABL DUPLAB, CLA CLL TAD (DUPMSG JMP UNLAB+1 PAGE
DUPMSG, TEXT / IS DUP NAME, NOT ASSIGNED/ PRUNL, TEXT / UNLABELED/ TD8ENO, TEXT / TD8E AUTOAS NOT IMPLEMENTED/ /NO TD8E SUPPORT AS YET TD8ETYP,TAD (TD8ENO JMS I (PRTEXT JMP I (EXIT CHKDUP, 0 DCA CHKD TAD I CHKD DCA CHKA1 ISZ CHKD TAD I CHKD DCA CHKA1+1 JMS I (USR 12 /INQUIRE CHKA1, 0;0;0 ISZ CHKDUP /NO DEVICE BY THIS NAME ALREADY EXISTS, GOOD JMP I CHKDUP /IF WE CAME BACK TO HERE, TAKE ER RET FROM HERE CHKD, 0 CRLF, 0 CLA CLL TAD (215 JMS OPUTC TAD (212 JMS OPUTC JMP I CRLF RTL6, 0 AND (77 CLL RTL;RTL;RTL JMP I RTL6 UNITABLE,ZBLOCK 11 PAGE
/"ONLINE" SUBROUTINE FOR LINCTAPES LTAONL, 0 CLL RAR /THIS GETS UNIT (EVEN - ODD) IN LINK TAD (10 /WE NOW HAVE NO PAUSE + EX UNIT IN AC 6141 /GO TO LINC MODE 0001 /AC TO XOB 0452 /SKIP IF LINK ZERO .+4&1777+6000 /JMP .+4 0703 /MOVE 0000 .+3&1777+6000 /JUMP AROUND THE ONE FOR NO LINK 0713 0000 0002 CLA CLL TAD (5000 /GET 6151 CLA CLL 6154 RTR SNL CLA /SKIP IF TAPE OK JMP ONLIN1 /NOT ONLINE = NO NEED TO WAIT 6141 /GO TO LINK MODE 0416 /IN ORDER TO WAIT UNTIL .-1&1777+6000 /TAPE FINISHED 0002 /BACK TO 8 MODE ISZ LTAONL /RETURN TO CALL +2: TAPE O.K. ONLIN1, CLA CLL TAD (20 6141 /LINC MODE 0004 /I/O PRESET 0002 /8 MODE JMP I LTAONL
/"ONLINE" SUBROUTINE FOR TC08 DECTAPES DTAONL, 0 CLL RTR; RTR TAD (700 /START MOTION IN REVERSE 6762 /CLEAR STATUS REG A 6764 /LOAD STATUS REG A 6771 /WAIT FOR SOMETHING TO HAPPEN JMP .-1 6772 /READ STATUS REG B AND (400 /LOOK AT SEL ERR BIT SNA CLA /BIT IS SET, UNIT NOT ON LINE ISZ DTAONL /UNIT ONLINE, RETURN TO CALL +2 JMP I DTAONL PAGE