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FILE MULTOS-8 MULTI-USER OS/8 SYSTEM TITLE VERSION, REVISION, AND EDIT NUMBER * * Copyright (C) 1978, 1979 by Computer Methods * 7822 Oakledge Road * Salt Lake City, UT 84121 * Phone 801-942-2300 * * Unauthorized reproduction in whole or in part * by any means whatsoever without written authorization * from Computer Methods is strictly prohibited by law. * * VERSION SET '1 29 MAY 1977 REVISION SET 'A 29 MAY 1977 *EDIT EQU 797 14 JUL 1978 *SPLIT THE SOURCE FILE INTO SEVERAL SMALLER FILES. *OSA CONTAINS MACRO AND OTHER DEFINITIONS * EDIT1 EQU 135 19 Aug 79
* * EDIT HISTORY * *EDIT DATE REASON *113 28 SEP 78 ADDED PERTEC DISK SUPPORT *114 28 SEP 78 DITTO *115 2 OCT 78 ADDED CAPABILITY TO USE NON-CONTIGUOUS MEMORY *116 4 OCT 78 ADDED DATA PRINTER V132 SUPPORT *118 5 OCT 78 ADDED .SWAPJ MACRO *119 23 OCT 78 MAINTENANCE -- CHANGE '.DISK6' TO '.DISK' *120 23 OCT 78 ADDED DEFINITION FOR 'RTS8' *122 25 OCT 78 MAINTENANCE *123 1 NOV 78 MAINTENANCE *125 23 Nov 78 Maintenance *126 24 Nov 78 Maintenance *130 25 Nov 78 Maintenance *133 4 Jan 79 Added '.END' Macro *135 19 Aug 79 Added support for 6 terminals.
* * DEFINITIONS BASED ON DEFINITIONS IN PARAMETER FILE * PDP8I EQU PDP8E-1 * NO:DECTAPE EQU DECTAPE-1 * NO:TC08 EQU TC08-1 * NO:TD8E EQU TD8E-1 * NO:MAGTAPE EQU MAGTAPE-1 * NO:KL8A EQU KL8A-1 * NO:PTR EQU PTR-1 * NO:PTP EQU PTP-1 * NO:FLOPPY EQU FLOPPY-1 * NO:EAE EQU EAE-1 * NO:RKO5 EQU RKO5-1 * NO:SPOOL EQU SPOOL-1
* * SYSTEM DISK SUPPORT * AIF SYS:DISK.NE.RK8E,.DISK2 * .DISK1 ANOP NOTE: System Disk: RK8-E DSK EQU 074 I/O ADDRESS FOR RK8-E DLAG EQU 3 DISK LOAD AND GO DLCA EQU 4 LOAD CURRENT ADDRESS DRST EQU 5 READ DISK STATUS DLDC EQU 6 LOAD DISK COMMAND AGO .DISK * .DISK2 AIF SYS:DISK.NE.RK8L,.DISK3 * NOTE: System Disk: RK8-L AGO .DISK * .DISK3 AIF SYS:DISK.NE.RL01,.DISK5 * NOTE: System Disk: RL01 AGO .DISK * .DISK5 AIF SYS:DISK.NE.PERTEC,.DISK * NOTE: System Disk: Pertec * * PERTEC DISK SUPPORT * DLHS EQU 06153 LOAD HEAD AND SECTOR ADDRESS DLCY EQU 06154 LOAD CYLINDER ADDRESS DSAE EQU 06164 SKIP ON ATTENTION OR ERROR FLAG DLDC EQU 06173 LOAD COMMAND REGISTER DRST EQU 06174 READ DISK STATUS * DSKWC QUT 0,07750 3 CYCLE DATA BREAK WORD COUNT DSKCA QUT 0,07751 AND CURRENT ADDRESS * AGO .DISK
* .SYS:DISK:1 ANOP * ERROR: SYSTEM DISK: UNKNOWN MONR ABORT THE ASSEMBLY * .DISK ANOP * AIF NO:RKO5,.DISK * NOTE: Additional Disk Drives (3 max) * .DISK ANOP
* * TERMINAL SUPPORT * AIF KL8A,.KL8A:DEF * * TTY I/O ADDRESSES * KEY1 EQU 03 TTY # 1 TTY1 EQU KEY1+1 * AIF TERM2,.TERM2 * NOTE: TTY # 2 TERM2 not specified MONR ABORT ASSEMBLY AND RETURN TO OS/8 * .TERM2 ANOP * KEY2 EQU TERM2 TTY # 2 TTY2 EQU TERM2+1 * AIF TERMS.GT.2,.TERMS3 * NOTE: Terminals: 2 AGO .TERMS * .TERMS3 ANOP * AIF TERM3,.TERM3 * NOTE: TTY # 3 TERM3 not specified MONR ABORT ASSEMBLY AND RETURN TO OS/8 * .TERM3 ANOP * KEY3 EQU TERM3 TTY # 3 TTY3 EQU KEY3+1 * AIF TERMS.GT.3,.TERMS4 * NOTE: Terminals: 3 AGO .TERMS * .TERMS4 ANOP * AIF TERM4,.TERM4 * NOTE: TTY # 4 TERM4 not specified. MONR Abort assembly and return to OS/8. * .TERM4 ANOP * KEY4 EQU TERM4 TTY # 4 TTY4 EQU KEY4+1 * AIF TERMS.GT.4,.TERMS5 * NOTE: Terminals: 4 AGO .TERMS * .TERMS5 ANOP * AIF TERM5,.TERM5 * NOTE: TTY # 5 TERM5 not specified. MONR Abort assembly and return to OS/8. * .TERM5 ANOP * KEY5 EQU TERM5 TTY # 5 TTY5 EQU KEY5+1 * AIF TERMS.GT.5,.TERMS6 * NOTE: Terminals: 5 AGO .TERMS * .TERMS6 ANOP * AIF TERM6,.TERM6 * NOTE: TTY # 6 TERM6 not specified. MONR Abort assembly and return to OS/8. * .TERM6 ANOP * KEY6 EQU TERM6 TTY # 6 TTY6 EQU KEY6+1 * .TERMS AGO .CLOCKS:DEF
* .KL8A:DEF ANOP * AIF (KL8A.GE.040).AN.(KL8A.LE.057),.KL8A:OK * NOTE: KL8-A device code out of range MONR ABORT ASSEMBLY AND RETURN TO OS/8 * .KL8A:OK ANOP
* .CLOCKS:DEF ANOP * * REAL TIME CLOCK SUPPORT * AIF (DK8EA.OR.DK8EC.OR.DK8EP.OR.DKC8AA),.CLOCK:DEF NOTE: Type of clock not specified MONR ABORT ASSEMBLY AND RETURN TO OS/8 * .CLOCK:DEF ANOP AIF DK8EA.EQ.0,.NO:HERTZ AIF HERTZ,.HERTZ NOTE: No line frequency specified MONR ABORT ASSEMBLY AND RETURN TO OS/8 * .HERTZ ANOP TICKS EQU HERTZ*2 DEFINE TICKS/SECOND .NO:HERTZ ANOP DK8 EQU 013 I/O ADDRESS FOR ANY CLOCK AIF DK8EP.OR.DKC8AA,.PROG:8A:CLOCK CLEI EQU 1 ENABLE CLOCK INTERRUPTS CLDI EQU 2 DISABLE CLOCK INTERRUPTS CLSK EQU 3 SKIP ON CLOCK FLAG, CLEAR FLAG AIF DK8EC,.CRYSTAL:CLOCK AIF HERTZ.EQ.50,.FIFTY:HZ MIDNHO EQU 04743 CLOCK TICKS PER DAY MIDNLO EQU 02000 MMIDNHO EQU 03034 MINUS CLOCK TICKS PER DAY MMIDNLO EQU 06000 NOTE: Clock: DK8-EA 60 Hz AGO .CLOCK * .FIFTY:HZ ANOP MIDNHO EQU 04075 CLOCK TICKS PER DAY MIDNLO EQU 03000 MMIDNHO EQU 03702 MINUS CLOCK TICKS PER DAY MMIDNLO EQU 05000 NOTE: Clock: DK8-EA 50 Hz AGO .CLOCK * .CRYSTAL:CLOCK ANOP TICKS EQU 50 TICKS PER SECOND MIDNHO EQU 02036 CLOCK TICKS PER DAY MIDNLO EQU 05400 MMIDNHO EQU 05741 MINUS CLOCK TICKS PER DAY MMIDNLO EQU 02400 NOTE: Clock: DK8-EC 50 Hz AGO .CLOCK
* .PROG:8A:CLOCK ANOP * TICKS EQU 100 * MIDNHO EQU 04075 CLOCK TICKS PER DAY MIDNLO EQU 03000 MMIDNHO EQU 03702 MINUS CLOCK TICKS PER DAY MMIDNLO EQU 05000 * AIF DKC8AA,.PDP8A:CLOCK * ENABLE EQU 05510 ENABLE OVERFLOW, MODE 1, 100 KHZ, & INTERRUPT * NOTE: Clock: DK8-EP 100 Hz * CLZE EQU 0 CLEAR CLOCK ENABLE REGISTER PER AC CLSK EQU 1 SKIP ON CLOCK INTERRUPT CLOE EQU 2 SET CLOCK ENABLE REGISTER PER AC CLAB EQU 3 AC TO CLOCK BUFFER CLEN EQU 4 LOAD CLOCK ENABLE REGISTER CLSA EQU 5 CLOCK STATUS TO AC CLBA EQU 6 CLOCK BUFFER TO AC CLCA EQU 7 CLOCK COUNTER TO AC * AGO .CLOCK * .PDP8A:CLOCK ANOP * NOTE: Clock: DKC8-AA * CLLE EQU 5 LOAD INTERRUPT ENABLE FROM AC11 CLCL EQU 6 CLEAR CLOCK FLAG CLSK EQU 7 SKIP ON CLOCK FLAG * .CLOCK ANOP * TENTH EQU TICKS/10 NUMBER OF TICKS PER TENTH SECOND
* * DECTAPE SUPPORT * AIF NO:DECTAPE,.DECTAPE * AIF NO:TC08,.TC08 * NOTE: TC08 DECtape: 8 transports * * TC08 DECTAPE IOT DEFINITIONS * DTRA EQU 06761 READ STATUS REGISTER A DTCA EQU 06762 CLEAR STATUS REGISTER A DTXA EQU 06764 LOAD STATUS REGISTER A DTLA EQU DTCA.OR.DTXA CLEAR AND LOAD STATUS REGISTER A DTSF EQU 06771 SKIP ON DECTAPE FLAG DTRB EQU 06772 READ STATUS REGISTER B DTXB EQU 06774 LOAD STATUS REGISTER B * .TC08 AIF NO:TD8E,.DECTAPE * * TD8E DECTAPE SUPPORT * NOTE: TD8E DECtape: 8 transports * * TD8E DECTAPE IOT DEFINITIONS * SDSS EQU 06771 SKIP ON SINGLE LINE FLAG SDST EQU 06772 SKIP ON TIME ERROR FLAG SDSQ EQU 06773 SKIP ON QUAD LINE FLAG SDLC EQU 06774 LOAD COMMAND REGISTER FROM AC, CLEAR AC SDLD EQU 06775 LOAD DATA REGISTER FROM AC, DO NOT CLEAR AC SDRC EQU 06776 LOAD AC FROM COMMAND REGISTER SDRD EQU 06777 LOAD AC FROM DATA REGISTER * .DECTAPE ANOP
* * MAGTAPE SUPPORT * AIF NO:MAGTAPE,.MAGTAPE * NOTE: TM8E MAGtape: 8 transports * * TM8E MAGTAPE IOT DEFINITIONS * LWCR EQU 06701 LOAD WORD COUNT REGISTER CWCR EQU 06702 CLEAR WORD COUNT REGISTER LCAR EQU 06703 LOAD CURRENT ADDRESS REGISTER CCAR EQU 06704 CLEAR CURRENT ADDRESS REGISTER LCMR EQU 06705 LOAD COMMAND REGISTER LFGR EQU 06706 LOAD FUNCTION/GO REGISTER RWCR EQU 06711 READ WORD COUNT REGISTER CLT EQU 06712 CLEAR TRANSPORT'S MASTER REGISTERS RCAR EQU 06713 READ CURRENT ADDRESS REGISTER RMSR EQU 06714 READ MAIN STATUS REGISTER RCMR EQU 06715 READ COMMAND REGISTER RFSR EQU 06716 READ FUNCTION AND 2ND STATUS REGISTER SKEF EQU 06721 SKIP IF ERROR FLAG IS SET SKCB EQU 06722 SKIP IF CONTROL NOT BUSY SKJD EQU 06723 SKIP IF JOB DONE FLAG IS SET SKTR EQU 06724 SKIP IF TAPE UNIT IS READY CLF EQU 06725 CLEAR CONTROLLER AND TRANSPORT MASTER * .MAGTAPE ANOP
* * FLOPPY DISK SUPPORT * AIF NO:FLOPPY,.FLOPPY * NOTE: RX8-E Dual Drive Floppy Disk * RX8 EQU 075 I/O ADDRESS LCD EQU 1 LOAD COMMAND REGISTER, CLEAR AC XDR EQU 2 TRANSFER DATA REGISTER STR EQU 3 SKIP ON TRANSFER REQ FLAG, CLEAR FLAG SER EQU 4 SKIP ON ERROR FLAG, CLEAR FLAG SDN EQU 5 SKIP ON DONE FLAG, CLEAR FLAG INTR EQU 6 ENABLE/DISABLE INTERRUPTS INIT EQU 7 INITIALIZE CONTROLLER AND INTERFACE * .FLOPPY ANOP
* AIF NO:PTR,.PTR * * PAPER TAPE SUPPORT * NOTE: PR8-E Paper Tape Reader * PR8 EQU 01 READER I/O ADDRESS RRB EQU 2 READ READER BUFFER RFC EQU 4 FETCH NEXT CHARACTER RRC EQU 6 RRB RFC COMBINATION * .PTR ANOP * AIF NO:PTP,.PTP * NOTE: PP8-E Paper Tape Punch * PP8 EQU 02 PUNCH I/O ADDRESS * .PTP ANOP
* * EAE SUPPORT * AIF NO:EAE,.EAE * NOTE: KE8-E Extended Arithmetic Element * SCL EQU 07403 SC LOAD FROM MEMORY SWAB EQU 07431 SWITCH FROM MODE 'A' TO MODE 'B' SCA EQU 07441 AC = SC.OR.AC SWBA EQU 07447 SWITCH FROM MODE 'B' TO MODE 'A' DPSZ EQU 07451 IF (AC,MQ)=0 AND MODE 'B', SKIP NEXT INST; * IF MODE A, 'SCA NMI' * .EAE ANOP * AIF NO:SPOOL,.SPOOL * NOTE: Print Spooler * .SPOOL ANOP
TITLE MACRO DEFINITIONS * * PICK UP A JOB PARAMETER * MACRO .PARAM <PARAMETER> AIF %*,.F1 !<> DSI UPARAM DC <PARAMETER> MEXIT .F1 ANOP !<> DSI PARAM DC <PARAMETER> MEND * * FIND AN AVAILABLE MEMORY FIELD * MACRO .FINDM MSKIP AIF %*,.F1 !<> JMS UFINDM MEXIT .F1 ANOP !<> JMS QFINDM MEND * * FIND A FIELD FROM INFO IN AC AND MASK IN MQ * MACRO .FINDF MSKIP AIF %*,.F1 !<> JMS UFINDF MEXIT .F1 ANOP !<> JMS QFINDF MEND * * FIND A DISK SWAP BLOCK BASED ON INFO IN AC * MACRO .FINDB MSKIP !<> JMS QFINDB MEND
* * QUEUE A DISK REQUEST * MACRO .EXDISK MSKIP AIF %*,.F1 !<> JMSI UXDISK MEXIT .F1 ANOP !<> JMSI QXDISK MEND * * SWAP A FIELD TO/FROM DISK SWAP BLOCKS * MACRO .SWAPF MSKIP AIF %*,.F1 !<> JMS USWAPF MEXIT .F1 ANOP !<> JMS QSWAPF MEND * * SWAP OUT ALL JOBS OTHER THAN THE CURRENT JOB * MACRO .SWAPJ ROOM 4 !<> JMS USWAPJ ; SKIP IF NO SWAP OCCURS MEND * * CHECK FOR AVAILABLE MEMORY * MACRO .AVMEM ROOM 4 !<> JMS QAVMEM MEND * * PERFORM AN EXCLUSIVE 'OR' * MACRO .XOR MSKIP AIF %*,.F1 !<> JMS UXOR MEXIT .FI ANOP !<> JMS QXOR MEND
* * SUSPEND A JOB * MACRO .SUSPEND MSKIP AIF %*.EQ.1,.Q !<> JMPI USUSP MEXIT .Q ANOP !<> JMPI QSUSP MEND * * CLEAR AN I/O BUFFER * MACRO .CLEAR MSKIP AIF %*,.F1 !<> JMS UCLEAR MEXIT .F1 ANOP !<> JMS QCLEAR MEND * * CHANGE EXECUTIVE DATA FIELD * MACRO .CUIF MSKIP !<> JMS UUCUIF MEND * MACRO .CUDF MSKIP !<> JMS UUCUDF MEND * MACRO .F0 MSKIP !<> JMS CDF0 MEND * MACRO .CUR MSKIP !<> JMS CDFCUR MEND
* * MACRO TO HANDLE 'MQL' ON ALL PDP-8/I AND LATER MACHINES * UNLINK MQL MACRO MQL MSKIP AIF PDP8I.AN.NO:EAE,.MQL LINK MQL !<> MQL UNLINK MQL MEXIT .MQL ANOP !<> DCA CPU:MQ ; STORE IN FAKE MQ MEND * * MACRO TO HANDLE 'MQA' ON ALL PDP-8/I AND LATER MACHINES * UNLINK MQA MACRO MQA MSKIP AIF PDP8I.AN.NO:EAE,.MQA LINK MQA !<> MQA UNLINK MQA MEXIT .MQA ANOP !<> TAD CPU:MQ ; JUST ADD IN THE FAKE 'MQ' MEND * * MACRO TO HANDLE 'MQOR' * MACRO MQOR MSKIP AIF PDP8I.AN.NO:EAE,.MQOR LINK MQA !<> MQA UNLINK MQA MEXIT .MQOR AIF %*,.F1 !<> JMS UMQOR ; DO IT IN SOFTWARE MEXIT .F1 ANOP !<> JMS QMQOR ; DO IT IN SOFTWARE MEND
* * MACRO TO HANDLE 'CAM' FOR PDP-8/I NON-EAE SYSTEMS * UNLINK CAM MACRO CAM MSKIP AIF PDP8I.AN.NO:EAE,.CAM LINK CAM !<> CAM UNLINK CAM MEXIT .CAM AIF %*,.F1 !<> JMS UCAM ; DO IT IN SOFTWARE MEXIT .F1 ANOP !<> JMS QCAM ; DO IT IN SOFTWARE MEND * * MACRO TO HANDLE 'SWP' FOR PDP-8/I NON-EAE SYSTEMS * UNLINK SWP MACRO SWP MSKIP AIF PDP8I.AN.NO:EAE,.SWP LINK SWP !<> SWP UNLINK SWP MEXIT .SWP AIF %*,.F1 !<> JMS USWP ; DO IT IN SOFTWARE MEXIT .F1 ANOP !<> JMS QSWP ; DO IT IN SOFTWARE MEND
* * MACROS TO HANDLE 'GTF' AND 'RTF' * UNLINK GTF MACRO GET THE FLAGS GTF AIF PDP8I,.GTFI LINK GTF !<> GTF UNLINK GTF MSKIP MEXIT .GTFI ANOP !<> CLA RAR ; GET THE LINK INTO BIT 0 RIB ; GET THE INTERRUPT FLAGS MEND * UNLINK RTF MACRO RESTORE THE FLAGS RTF AIF PDP8I,.RTFI LINK RTF !<> RTF UNLINK RTF MSKIP MEXIT .RTFI ANOP LISTM !<> DCA CPU:TEM ; STORE THE FLAGS TEMPORARILY CDF %* TAD CPU:TEM AND =07 ; EXTRACT 'DF' CLL RAL RTL TAD =KCDF DCA $2F TAD CPU:TEM SPA ; IS THE LINK TO BE SET ? STL ; YES AND =070 ; EXTRACT 'IF' TAD =KCIF DCA $1F TAD CPU:TEM AND =UM ; EXTRACT USER MODE BIT SNA CLA ; IS IT SET ? JMP $1F ; NO, DON'T ENABLE USER MODE OR INTERRUPT ROOM 6 DI SUF ; YES, ENABLE USER MODE AND ION ; ENABLE INTERRUPT SYSTEM $1H HLT ; SET 'IF' $2H HLT ; SET 'DF' NOLISTM MEND
* * 'MULT64' MACRO * UNLINK BSW MACRO MULTIPLY BY 64 MULT64 AIF PDP8I,.MULT64 LINK BSW !<> CLL BSW UNLINK BSW MEXIT .MULT64 ANOP !<> CLL RTL RTL RTL MEND * * 'RAR6' MACRO * MACRO ROTATE RIGHT 6 BITS RAR6 MSKIP AIF PDP8I,.RAR6 LINK BSW !<> CLL BSW UNLINK BSW MEXIT .RAR6 ANOP AIF %*,.F1 !<> JMS URAR6 MEXIT .F1 ANOP !<> JMS QRAR6 MEND
* * MACRO TO HANDLE 'LDI' * UNLINK LDI MACRO LDI <ARG> MSKIP AIF (<ARG>.EQ.0100).AN.PDP8I,.LDI AIF <ARG>.EQ.1,.OK AIF <ARG>.EQ.2,.OK AIF <ARG>.EQ.3,.OK AIF <ARG>.EQ.4,.OK AIF <ARG>.EQ.6,.OK AIF <ARG>.EQ.0100,.OK AIF <ARG>.EQ.04000,.OK AIF <ARG>.EQ.02000,.OK AIF <ARG>.EQ.06000,.OK AIF <ARG>.EQ.03777,.OK AIF <ARG>.EQ.05777,.OK AIF <ARG>.EQ.07775,.OK AIF <ARG>.EQ.07776,.OK AIF <ARG>.EQ.07777,.OK AGO .LDI .OK LINK LDI !<> LDI <ARG> UNLINK LDI MEXIT .LDI ANOP !<> TAD =<ARG> MEND
* * GENERATE TEXT FOR INITIALIZATION MESSAGES * MACRO .OUTEXT <STRING> !<> JMS OUTEXT :A SET 0 .LOOP ANOP :B MSCAN :A,<STRING> ; PICK UP A TEXT CHARACTER AIF :B.EQ.0215,.END DC :B :A SET :A+1 AGO .LOOP * .END ANOP DC CR DC LF DC 0 MEND * GENERATE TEXT FORPASS WORD SIGNON * MACRO .OTXT <STRING> !<> JMS OTXT :A SET 0 .LOOP ANOP :B MSCAN :A,<STRING> ; PICK UP A TEXT CHARACTER AIF :B.EQ.0215,.END DC :B :A SET :A+1 AGO .LOOP * .END ANOP DC CR DC LF DC 0 MEND * * Indicate highest address used in a field. * MACRO .END DSEC :F SET %*+'0 :H SET *-1 ! NOTE: HIGHEST ADDR [:F\:H MEND
* * MACRO TO GENERATE STATUS BITS * :STAT SET 0 MACRO .STAT <ARG> !<> EQU :STAT AIF :STAT.GE.0100,.STAT:OVFLO :STAT SET :STAT+<ARG> MEXIT .STAT:OVFLO ANOP NOTE: More than 64 status words generated MONR ABORT ASSEMBLY AND RETURN TO OS/8 MEND * * MACRO TO GENERATE LOGICAL WAIT BITS * :LWAIT SET 04000 MACRO .LWAIT !<> EQU :LWAIT :LWAIT SET :LWAIT.RS.1 MEND * MACRO TO GENERATE DEVICE WAIT BITS * :DWAIT SET 01 MACRO .DWAIT !<> EQU :DWAIT :DWAIT SET :DWAIT.LS.1 MEND * * MACRO TO GENERATE BUFFER STORAGE ALLOCATIONS IN FIELD 1 * :BUFF SET 0200 MACRO .BUFF <SIZE> !<> QUT 1,:BUFF :BUFF SET :BUFF+<SIZE> MEND
* * MACROS TO GENERATE TWO IOT LIST TABLES * :IOT SET 0 * MACRO GENERATE IOT LIST .IOT <IOT:><IOTADR> MSKIP !<> DC -<IOT:> ; NEGATE THE IOT IOT\:IOT EQU <IOTADR> ; THIS CONSTANT WILL BE USED IN NEXT MACRO :IOT SET :IOT+1 MEND * MACRO GENERATE IOT LIST SERVICE ADDRESS TABLE .GEN :IOT2 SET 0 !<> DC IOT\:IOT2 :IOT2 SET :IOT2+1 .LOOP DC IOT\:IOT2 :IOT2 SET :IOT2+1 AIF :IOT-:IOT2,.LOOP MEND
TITLE SOME OS/8 DEFINITIONS * OS8NDES QUT 0,07600 NON-DESTRUCTIVE STANDALONE OS/8 ENTRY OS8DEST QUT 0,07605 DESTRUCTIVE STANDALONE OS/8 ENTRY OSDATEH QUT 0,07777 HIGH ORDER OS/8 SYSTEM DATE (BITS 3-4) OSDATEL QUT 1,07666 LOW ORDER OS/8 SYSTEM DATE * USR QUT 1,07700 USR ENTRY ADDRESS USRRES QUT 1,0200 USR ENTRY ADDRESS WHEN RESIDENT LOOKUP EQU 2 LOOK UP A PERMANENT FILE ENTER EQU 3 OPEN A TENTATIVE OUTPUT FILE CLOSE EQU 4 CLOSE A TENTATIVE FILE USRIN EQU 8 LOCK USR IN MEMORY USROUT EQU 9 RELEASE USR FROM MEMORY INQUIRE EQU 10 USR INQUIRE FOR DEVICE HANDLER * RTS8 EQU 01000 RTS/8 BACKGROUND EXECUTION BIT
TITLE HARDWARE ASSUMED COMMON TO ALL SYSTEMS * * KP8-E POWER FAIL/AUTO-RESTART * KP8 EQU 010 I/O ADDRESS SBE EQU 1 SKIP IF BATTERY EMPTY (PDP-8/A) SPL EQU 2 SKIP ON POWER LOW CACL EQU 3 CLEAR AC LOW FLAG (PDP-8/A) * * KM8-E TIME SHARE * CINT EQU 06204 CLEAR USER INTERRUPT SINT EQU 06254 SKIP ON USER INTERRUPT CUF EQU 06264 CLEAR USER FLAG SUF EQU 06274 CLEAR USER FLAG * * LA8-E LINE PRINTER * LA8 EQU 066 I/O ADDRESS SE EQU 03 SKIP ON LINE PRINTER ERROR FLAG EIN EQU 05 ENABLE LINE PRINTER INTERRUPTS DIN EQU 07 DISABLE LINE PRINTER INTERRUPTS * * DATA PRINTER V-132 LINE PRINTER * LSEP EQU 06641 SKIP ON END-OF-PAGE FLAG LSRF EQU 06642 SKIP ON IF RUN FLAG IS TRUE LCEP EQU 06644 CLEAR END-OF-PAGE FLAG LSCP EQU 06645 SKIP ON END-OF-PAGE FLAG & CLEAR FLAG LSPR EQU 06651 SKIP ON PRINTER FLAG LRLC EQU 06652 REQUEST LOAD CYCLE LCPF EQU 06653 CLEAR PRINTER FLAG LIP EQU 06654 INITIATE PRINTING LSSD EQU 06661 SKIP IF SEND DATA IS TRUE LLPB EQU 06662 LOAD PRINTER BUFFER LCLA EQU 06664 CLEAR AC LPBC EQU 06666 LOAD PRINTER BUFFER & CLEAR AC * * GENERAL IOT SUFFIXES * TFL EQU 0 SET TTY FLAG SF EQU 1 SKIP ON FLAG CF EQU 2 CLEAR FLAG TSK EQU 5 SKIP IF KEYBOARD/TTY FLAG IS SET LS EQU 6 LOAD SEQUENCE
LIST TITLE USER STATUS AND WAIT BIT DEFINITIONS * * USER STATUS AREA DEFINITIONS * DWAIT .STAT 1 DEVICE WAIT BITS LWAIT .STAT 1 LOGIC WAIT BITS FLAGS .STAT 1 HARDWARE FLAGS PC .STAT 1 PROGRAM COUNTER AC .STAT 1 ACCUMULATOR MQ .STAT 1 MULTIPLIER/QUOTIENT SC .STAT 1 STEP COUNTER/EAE MODE SR .STAT 2 SWITCH REGISTER FLAG AND SWITCH REGISTER RESTART .STAT 2 REAL TIME RESTART TIME IBF .STAT 1 INPUT BUFFER FILL POINTER CURJOB EQU IBF USED ONLY BY EXECUTIVE JOBS (SUCH AS SPOOLER) IBE .STAT 1 INPUT BUFFER EMPTY POINTER OUTIOT .STAT 1 OUTPUT IOT MF .STAT 1 OUTPUT MOTION FLAG OBF .STAT 1 OUTPUT BUFFER FILL POINTER OBE .STAT 1 OUTPUT BUFFER EMPTY POINTER OBC .STAT 1 OUTPUT BUFFER CHARACTER COUNTER JMSPC .STAT 1 STORE JMS PC FOR NON-RESIDENT 'IF' JMSAVE .STAT 14 SPECIAL SAVE REGISTER AREA (6 ITEMS MAX) MTCM .STAT 1 MAGTAPE COMMAND MTWC .STAT 1 WORD COUNT MTCA .STAT 1 CURRENT ADDRESS MTMSR .STAT 1 MAIN STATUS MTFN .STAT 1 FUNCTION DTWC EQU MTWC DECTAPE WORD COUNT DTCADR EQU MTCA CURRENT ADDRESS DTSRA EQU MTMSR STATUS REGISTER 'A' DTSRB EQU MTFN STATUS REGISTER 'B' USER:ST EQU 0100 LENGTH OF USER STATUS AREA * * LOGIC WAIT DEFINITIONS * HALTW .LWAIT HALT WAIT NRESW .LWAIT NON-RESIDENT WAIT EXECW .LWAIT SPECIAL EXECUTIVE WAIT JMSW .LWAIT 'JMS' AFTER 'CIF' WAIT ISUSPW .LWAIT INDEFINITE SUSPEND WAIT REALW .LWAIT REAL TIME WAIT * * DEVICE WAIT DEFINITIONS * DISKW .DWAIT DISK WAIT TTYW .DWAIT TTY OUTPUT WAIT KEYW .DWAIT KEYBOARD INPUT WAIT PUNW .DWAIT PUNCH WAIT READW .DWAIT READER WAIT FLOPW .DWAIT RX8-E FLOPPY WAIT LPTW .DWAIT LINE PRINTER WAIT DTAW .DWAIT DECTAPE WAIT MTAW .DWAIT MAGTAPE WAIT
* * INPUT/OUTPUT BUFFER DEFINITIONS * (ALL I/O BUFFERS ARE IN FIELD 1) * BUFFERS .BUFF 0 START OF BUFFERS LPB .BUFF 128 LINE PRINTER BUFFER (128 CHARACTERS) AIF NO:PTR,.PTR RB .BUFF 128 READER BUFFER (128 CHARACTERS) .PTR AIF NO:PTP,.PTP PB .BUFF 128 PUNCH BUFFER (128 CHARACTERS) .PTP ANOP JOB1OB .BUFF 128 JOB 1 OUTPUT BUFFER (128 CHAR'S EACH) JOB2OB .BUFF 128 JOB 2 OUTPUT BUFFER AIF TERMS.LT.3,.TERMS JOB3OB .BUFF 128 JOB 3 OUTPUT BUFFER AIF TERMS.LT.4,.TERMS JOB4OB .BUFF 128 JOB 4 OUTPUT BUFFER AIF TERMS.LT.5,.TERMS JOB5OB .BUFF 128 JOB 5 OUTPUT BUFFER AIF TERMS.LT.6,.TERMS JOB6OB .BUFF 128 JOB 6 OUTPUT BUFFER .TERMS ANOP DQB .BUFF 64 DISK QUEUE BUFFER (16 ENTRIES) AIF SPOOL.EQ.0,.SPOOL SPLQ .BUFF 32*5 SPOOL QUEUE BUFFER (32 5-WORD ENTRIES) .SPOOL ANOP JOB1IB .BUFF 32 JOB 1 INPUT BUFFER (32 CHAR'S EACH) JOB2IB .BUFF 32 JOB 2 INPUT BUFFER AIF TERMS.LT.3,.TERMS JOB3IB .BUFF 32 JOB 3 INPUT BUFFER AIF TERMS.LT.4,.TERMS JOB4IB .BUFF 32 JOB 4 INPUT BUFFER AIF TERMS.LT.5,.TERMS JOB5IB .BUFF 32 JOB 5 INPUT BUFFER AIF TERMS.LT.6,.TERMS JOB6IB .BUFF 32 JOB 6 INPUT BUFFER .TERMS AIF NO:FLOPPY,.FLOPPY RXQB .BUFF 16 FLOPPY QUEUE BUFFER (4 ENTRIES) .FLOPPY AIF NO:DECTAPE,.DECTAPE DTQB .BUFF 16 DECTAPE QUEUE BUFFER (4 ENTRIES) .DECTAPE AIF NO:MAGTAPE,.MAGTAPE MTQB .BUFF 4 MAGTAPE QUEUE BUFFER (4 ENTRIES) .MAGTAPE ANOP * BUFFEND .BUFF 0 FIRST FREE LOCATION AFTER BUFFERS
TITLE ASCII CHARACTERS AND MISCELLANEOUS DEFINITIONS * * ASCII CHARACTER DEFINITIONS * BELL EQU 07 BELL CHARACTER LOGON EQU 010 LOG-ON CHARACTER TAB EQU 011 TAB LF EQU 012 LINE FEED FF EQU 014 FORM FEED CR EQU 015 CARRIAGE RETURN ESC EQU 033 ESCAPE SPACE EQU 040 SPACE DOLLAR EQU 044 DOLLAR SIGN DEL EQU 0177 DELETE CTRLA EQU 'A.AN.077 CONTROL/A CTRLC EQU 'C.AN.077 CONTROL/C CTRLH EQU 'H.AN.077 CONTROL/H CTRLO EQU 'O.AN.077 CONTROL/O CTRLP EQU 'P.AN.077 CONTROL/P CTRLQ EQU 'Q.AN.077 CONTROL/Q CTRLS EQU 'S.AN.077 CONTROL/S CTRLZ EQU 'Z.AN.077 CONTROL/Z * * TIME QUANTUM DEFINITION * QUANTUM EQU 2*TENTH 1/5 SECOND * * TIMESHARING IOT DEFINITIONS * FSD EQU 06110 FILE STRUCTURED DEVICE HANDLER IOT TSS EQU 06111 SKIP IF TIMESHARING SSR EQU 06112 SET SWITCH REGISTER RCR EQU 06113 RETURN CLOCK RATE (IN TICKS PER SECOND) TOD EQU 06114 RETURN TIME-OF-DAY DATE EQU 06115 RETURN SYSTEM DATE TASK EQU 06116 RETURN TASK NUMBER IHLT EQU 06117 HALT WITHOUT SENDING A MESSAGE SYN EQU 06120 SUSPEND UNTIL NEXT TIME QUANTUM STM EQU 06121 SUSPEND UNTIL SPECIFIED TIME RAN EQU 06122 RETURN A RANDOM NUMBER ALONE EQU 06123 RETURN TO STANDALONE OS/8 TALK EQU 06124 TRANSMIT A CHARACTER TO ANOTHER TERMINAL SPR EQU 06125 RETURN SYSTEM PARAMETERS
* * MISCELLANEOUS DEFINITIONS * KCDF EQU 06201 CONSTANT 'CDF 0' KCIF EQU 06202 CONSTANT 'CIF 0' KCID EQU 06203 CONSTANT 'CID 0' KNOP EQU 07000 CONSTANT 'NOP' KHLT EQU 07402 CONSTANT 'HLT' KSKP EQU 07410 CONSTANT 'SKP' * RK:BIAS EQU 06260 FOR SECOND HALF OF RK05 DRIVES 1, 2, & 3 * KBM:DA EQU 07 KEYBOARD MONITOR DISK ADDRESS USR:DA EQU 013 USER SERVICE ROUTINE DISK ADDRESS CD:DA EQU 051 COMMAND DECODER DISK ADDRESS * RELBIT EQU 0200 IF SET IN USER STATUS AREA FLSV WORD, * THEN FIELD BITS ARE RELATIVE UM EQU 0100 USER MODE BIT USED IN FLAGS WORD * * FLAGS USED IN FIELD INFORMATION WORDS * IF EQU 04000 'IF' RESIDENCY BIT DF EQU 02000 'DF' RESIDENCY BIT * LOCK EQU 01000 LOCK THIS FIELD IN MEMORY * N:EXIST EQU 0400 NON-EXISTANT MEMORY FLAG
LIST * * SOME DISK PARAMETERS * * SWAP = THE BEGINNING OF THE SWAP TRACKS * (EACH TERMINAL HAS 128 SWAP SECTORS; * EACH EXECUTIVE JOB HAS 16 SWAP SECTORS) * *THE DISK LAYOUT IS AS FOLLOWS (FOR ALL CONFIGURATIONS): * JOB 1 LOW DISK ADDRESSES * SWAP TRACKS * JOB 2 * JOB 3 (IF PRESENT) * ...ETC... * HIGH DISK ADDRESSES * *THE FOLLOWING ARE THE DISK ALLOCATIONS FOR MULTIPLE JOBS: * SWAP SECTORS/USER DISK STARTING ADDRESSES * TERMS+EXJOBS SECTORS & SWAP START USER1 USER2 USER3 USER4 USER5 USER6 * 2+0 0400 06060 00000 06460 - - - - * 3+1 0620 03760 00000 04600 10560 - - - * 4+1 01020 02720 00000 03740 06660 11600 - - * 4+2 01040 02720 00000 03760 06700 11620 - - * *THE FOLLOWING EXPRESSION COMPUTES THE STARTING ADDRESS OF *THE SWAPPING SECTORS FOR JOB 1 AND IS ALSO THE NUMBER OF *SECTORS ALLOCATED TO EACH JOB'S SYSTEM DEVICE. * SWAP EQU ((((06260.RS.1)-(JOBS*(128/4)))/TERMS).AN.07774)*4 PIP EQU -SWAP FOR USE IN PIP TABLE LOC 13641 * * Macro definition to print a note statement in the listing file * MACRO .PIP :SWAP EQU SWAP :PIP EQU PIP ! NOTE: SYS DEVICE SIZE = \:SWAP NOTE: SET PIP LOCATIONS 13623, 13656, NOTE: AND 13657 TO \:PIP MEND * .PIP Now print it.