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5sources/phypar.mac
There are 53 other files named phypar.mac in the archive. Click here to see a list.
;<5.ISI.MONITOR>PHYPAR.MAC.5070 24-Nov-82 13:40:48 Edit by SMITH
;#507 Change skip file function to use same code as SEEK ... ran out of bits
;#507 for new function.
;<5.ISI.MONITOR>PHYPAR.MAC.4160 20-Oct-82 21:11:22 Edit by SMITH
;#416 SA10 definitions
;#26 SA10 defs
;#25 SA10 defs
;#23 Change skip forward file routine to utilize hardware skip file function
;
; UPD ID= 147, SNARK:<5.MONITOR>PHYPAR.MAC.11, 3-Sep-81 16:35:17 by UHLER
;TCO 5.1487 ADD DEF'S FOR SUPPORT OF CHANNEL WRITE PARITY DETECTION IN PHYH2
; UPD ID= 1826, SNARK:<5.MONITOR>PHYPAR.MAC.10, 17-Apr-81 09:57:06 by WACHS
;TCO 5.1288 ADD DEF'S FOR MAGTAPE STATISTICS ON A PER-MODE BASIS
; UPD ID= 1574, SNARK:<5.MONITOR>PHYPAR.MAC.9, 23-Feb-81 16:12:02 by LYONS
; MAKE THE INTERUPT STACK FOR PHYSIO BIGGER. WE CALL PHYSIO ON OUR STACK,
; AND COULD RUN OUT OF ROOM
; UPD ID= 1364, SNARK:<5.MONITOR>PHYPAR.MAC.8, 18-Dec-80 10:14:33 by WACHS
; TCO 5.1206 CHANGE DEVICE TYPES FOR TM78, RP07
; UPD ID= 734, SNARK:<5.MONITOR>PHYPAR.MAC.7, 7-Jul-80 00:47:06 by DBELL
;TCO 5.1096 - ADD UDSCCK DISPATCH OFFSET
; UPD ID= 626, SNARK:<5.MONITOR>PHYPAR.MAC.6, 11-Jun-80 17:02:29 by LYONS
;TCO 5.0162 - ADD DEFINITIONS FOR WRITE VERIFICATION
; UPD ID= 579, SNARK:<5.MONITOR>PHYPAR.MAC.5, 31-May-80 23:04:19 by DBELL
;TCO 5. 1048 - ADD DEFINITIONS NEEDED FOR MULTIPLE-PAGE DSKOPS
; UPD ID= 503, SNARK:<5.MONITOR>PHYPAR.MAC.3, 1-May-80 15:19:11 by DBELL
;TCO 4.1.1153 - INCREASE NUIORB FROM 6 TO 15
; UPD ID= 365, SNARK:<4.1.MONITOR>PHYPAR.MAC.15, 26-Mar-80 11:07:27 by DBELL
;TCO 4.1.1119 - MAKE NECESSARY CHANGES FOR RP20 SUPPORT
;<4.MONITOR>PHYPAR.MAC.14, 25-Oct-79 18:56:45, EDIT BY DBELL
;TCO 4.2551 - ADD KS.HLT TO REMEMBER MICROCODE IS HALTED
;<4.MONITOR>PHYPAR.MAC.13, 19-Sep-79 15:45:04, EDIT BY DBELL
;TCO 4.2476 - ADD DISPATCHES UDSEXT AND CDSEXT
;<4.MONITOR>PHYPAR.MAC.12, 6-Mar-79 09:32:09, EDIT BY KONEN
;UPDATE COPYRIGHT FOR RELEASE 4
;<2BOSACK>PHYPAR.MAC.3, 14-Feb-79 10:54:52, EDIT BY BOSACK
;ADD TU77 HW DEVICE TYPE
;<4.MONITOR>PHYPAR.MAC.10, 26-Jul-78 00:20:36, Edit by MCLEAN
;DECOMMITT US.IDB AND MAKE IT BE US.PSI
;<4.MONITOR>PHYPAR.MAC.6, 18-Jul-78 01:03:21, Edit by MCLEAN
;ADD ONLINE/OFFLINE TRANSITION PSI (USED BY TAPE ONLY)
;<FORTMILLER>PHYPAR.MAC.3, 24-May-78 14:57:15, Edit by FORTMILLER
;ADD CHARACTERISTICS WORD TO UDB - UDBCHR
; AND DX20 SUPPORT
;<3A.MONITOR>PHYPAR.MAC.1, 19-Apr-78 02:28:35, Edit by MCLEAN
;ADD TY.T78 (TM78)
;<2BOSACK>PHYPAR.MAC.58, 24-Feb-78 01:09:25, EDIT BY BOSACK
;RENAME DATA AND DEVICE ERROR BITS IN IORB
;<1MCLEAN>PHYPAR.MAC.57, 27-Jan-78 16:48:20, Edit by MCLEAN
;ENLARGE INTERRUPT STACK FOR CALL TO ALLOCATE FREE SPACE
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED OR COPIED IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
;
;COPYRIGHT (C) 1976,1977,1978,1979 BY DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
; SAIO Changes Copyright 1982, All Rights Reserved
; University of Southern California
UNIVERSAL PHYPAR - UNIVERSAL FOR PHYSIO AND ASSOCIATED MODULES
SUBTTL L.BOSACK/T.HESS 16-MAY-75
SALL
SEARCH MONSYM,MACSYM
SUBTTL CHANNEL DATA BLOCK
CDBINT==-6 ;JSR TO HERE IF VECTOR DEVICE
;CDBINT+1 CONTAINS MOVEM P1,.+2+CDBSVQ
;CDBINT+2 CONTAINS XPCW PHYINT
CDBSTS==0 ;STATUS AND CONFIGURATION INFORMATION
CDBMBW==1 ;MEMORY BANDWIDTH SCHEDULING INFORMATION
CDBODT==2 ;OVERDUE TIMER WHEN DATA XFR ACTIVE
CDBICP==3 ;EXEC VIRTUAL ADDR OF INAD/ICCW
CDBIUN==4 ;INITIAL AOBJN PTR TO UDB TABLE
CDBCUN==5 ;CURRENT AOBJN PTR TO UDB TABLE
CDBDSP==6 ;UNIT UTILITIES DISPATCH,,MAIN ENTRY DISPATCH
CDBFCT==7 ;FAIRNESS COUNT FOR LATENCY
CDBPAR==10 ;CHANNEL MEMORY PARITY ERRORS
CDBNXM==11 ;CHANNEL NXMS
CDBXFR==12 ;CURRENTLY TRANSFERRING UDB
CDBCCL==13 ;3 WORD BLOCK, CHANNEL COMMAND LIST
CDBUDB==16 ;UDB TABLE - 8 WORDS
CDBSVQ==26 ;P1 SAVED HERE ON VECTOR INTERRUPT ENTRY
CDBJEN==27 ;INTERRUPT DISMISS (3 WORDS)
;CDBJEN CONTAINS BLT 17,17
;CDBJEN+1 CONTAINS DATAO RH,CDBRST
;CDBJEN+2 CONTAINS JEN @CDBINT
CDBRST==32 ;LOC USED BY CDBJEN
CDBCNI==33 ;CHANNEL CONI AT START OF INTERRUPT
CDBONR==34 ;FORK WHO HAS CHANNEL IN MAINT MODE
CDBADR==35 ;NUMBER OF THIS CHANNEL (CHNTAB INDEX)
CDBCS0==36 ;CHAN STATUS 0 AT ERROR
CDBCS1==37 ;CHAN STATUS 1
CDBCS2==40 ;CHAN STATUS 2
CDBCC1==41 ;FIRST CCW
CDBCC2==42 ;SECOND CCW
CDBOVR==43 ;NUMBER OF OVERRUNS
CDBICR==44 ;INITIAL STCR WHEN DEVICE STARTED
CDBCL2==45 ;3 WD BLOCK, ALTERNATE CCW LIST
CDBIRB==50 ;IORB WE MOST WANT TO START TRANSFER FOR
CDBLUN==51 ;LAST UDB WHICH DID TRANSFER OR POSITIONING
CDBCAD==52 ;2 WD BLOCK, ADDRESS OF CCW FOR FIRST AND
; SECOND COMMANDS
CDBDDP==54 ;START OF DEVICE DEPENDENT CDB
;BITS AND BYTES
;CDBSTS
CS.OFL==1B0 ;OFFLINE
CS.AC1==1B1 ;PRIMARY COMMAND ACTIVE
CS.AC2==1B2 ;SECONDARY COMMAND ACTIVE
CS.ACT==CS.AC1!CS.AC2 ;ANY ACTIVE
CS.MAI==1B3 ;CHANNEL IS IN MAINT MODE
CS.MRQ==1B4 ;MAINT MODE REQUESTED FOR SOME UNIT
CS.ERC==1B5 ;ERROR RECOVERY IN PROGRESS
CS.STK==1B6 ;CHANNEL SUPPORTS COMMAND STACKING
CS.ACL==1B7 ;ALTERNATE CCW LIST IS CURRENT
CS.CWP==1B8 ;CHANNEL WRITE PARITY ERROR DETECTED ON THIS
; CHANNEL
CS.MUX==1B14 ;#25 channel is multiplexor channel
CSSTYP==SIZ.UT ;SIZE OF TYPE FIELD
CSPTYP==^D35 ;POSITION OF TYPE FIELD
CSSPIA==3 ;SIZE OF PIA FIELD
CSPPIA==XSPTYP-XSSTYP ;POSITION OF PIA FIELD
;CHANNEL SERVICE ROUTINE MAIN ENTRY DISPATCH
CDSINI==0 ;INITIALIZE AND BUILD DATA STRUCTURE
CDSSTK==1 ;STACK SECOND CHANNEL COMMAND, SKIP IF OK
CDSSIO==2 ;START IO, SKIP IF STARTED OK.
CDSPOS==3 ;DO POSITIONING TO IDLE UNIT, SKIP IF OK.
CDSLTM==4 ;RETURN LATENCY AND BEST REQUEST
CDSINT==5 ;INTERRUPT ENTRY
CDSCCW==6 ;GENERATE SINGLE CCW ENTRY
CDSHNG==7 ;HUNG RESET
CDSRST==10 ;RESET CHANNEL AND ALL DEVICES, ON RESTART
CDSCHK==11 ;PERIODIC CHECK ENTRY, CHECK PIA, ETC.
CDSEXT==12 ;CHECK LEGALITY OF A UNIT, SKIP IF EXISTANT
CDSCCA==13 ;EXTRACT ADDRESS FROM CCW WORD
;CALLING SEQUENCES
;THE P&Q ACS ARE ASSUMED PRESERVED UNLESS STATED OTHERWISE.
;THE T ACS ARE ASSUMED DESTROYED UNLESS STATED OTHERWISE.
;INPUT ARGUMENTS ARE THOSE ACS WHICH MUST BE SETUP FOR THE CALL.
;OUTPT ARGUMENTS ARE THOSE ACS WHICH WILL BE SET TO A SPECIFIED VALUE
;BY THE CALL.
;ENTRY INPUT OUTPUT ;COMMENTS
;INI P4 P4 ;TAKES FIRST FREE CHAN # IN P4, UPDATES P4
; ;CAN CLOBBER ALL OTHER ACS
;PRQ P4,P1,3 P4,P1,3 ;SKIPS IF THE IORB IN P4 REQUIRES POSITIONING
; ;BEFORE TRANSFER CAN BE DONE
;SIO P4,P1,3 P4,P1,3 ;STARTS IO ON THE IORB IN P4. SKIPS IF START OK
;POS P4,P1,3 ;STARTS POSITIONING TO THE CYL OF THIS IORB.
; ;SKIPS IF SEEK STARTED OK.
;LTM T1,P1,3 ;RETURNS THE BEST IORB TO XFR ON THIS UNIT.
; T1,2,3 ;T1/ TIME TO GO IN USEC,T2/ PREDECESSOR IORB, T3/ IORB
;INT P1 P4,P3 ;CALLED ON AN INTERRUPT FOR THE CDB IN P1.
; ;RETURNS:P4/ 0=EXIT INTERRUPT,-1=DO SCHED CYCLE
; ; POSITIVE=IORB COMPLETED
;CCW T1,2, T1 ;BUILDS A SINGLE CCW FOR THE CHAN IN P1
; P1 ;T1/ DATA MODE,,BYTE COUNT (1B0 IF BACKWARDS XFR)
; ;T2/ PHYSICAL MEM ADDR. RETURNS CCW IN T1
SUBTTL KONTROLLER DATA BLOCK (TM02/3, DX20A/B ONLY)
KDBSTS==0 ;FLAGS, UNIT TYPE
KDBIUN==1 ;INITIAL AOBJN WORD TO UDB TABLE
KDBCUN==2 ;CURRENT AOBJN WORD TO UDB TABLE
KDBDSP==3 ;DISPATCH FOR SERVICE RTN
KDBACT==4 ;CURRENTLY ACTIVE UDB OR 0
KDBDDP==5 ;START OF DEVICE DEPENDENT PART
KDBUDB==KDBDDP ;THE BLOCK FOR UDB ADDRESSES STARTS
; AT THE DEVICE DEPENDENT PORTION
; SINCE THERE CAN BE ONLY 8 UNITS
; ON A TM02/TM03 AND THERE CAN
; BE UP TO 16 UNITS ON A DX20/TX02
;BITS AND BYTES
;KDBSTS
KS.ACT==1B1 ;ACTIVE
KS.HLT==1B2 ;MICROCODE IS HALTED
KS.DSK==1B3 ;THIS CONTROLLER IS FOR DISKS
SUBTTL UNIT DATA BLOCK
UDBSTS==0 ;STATUS AND CONFIGURATION INFORMATION
UDBMBW==1 ;MEMORY BANDWIDTH SCHEDULING INFORMATION
UDBODT==2 ;OVERDUE TIMER FOR SEEKS AND THE LIKE
UDBERR==3 ;ERROR RECOVERY STATE WORD
UDBERP==4 ;ERROR REPORTING WORK AREA IF NONZERO
UDBDSP==5 ;UNIT ROUTINE MAIN ENTRY DISPATCH
UDBCDB==6 ;SECONDARY,,PRIMARY CDB
UDBADR==7 ;SECONDARY,,PRIMARY ADDRESS OF UNIT ON CHANNEL
UDBAKA==10 ;CURRENT CDB,,CURRENT CHAN ADDR
UDBVID==11 ;VOLUME ID
UDBSTR==12 ;POINTER TO STR DATA BLOCK
UDBKDB==13 ;POINTER TO KDB, IF ANY
UDBDSN==14 ;DRIVE SERIAL NUMBER
UDBSEK==15 ;SEEKS
UDBRED==16 ;READS - SECTORS IF DISK, FRAMES IF TAPE
UDBWRT==17 ;WRITES - SECTORS IF DISK, FRAMES IF TAPE
UDBRCT==20 ;ACTUAL READ COUNT
UDBWCT==21 ;ACTUAL WRITE COUNT
UDBSRE==22 ;SOFT READ ERRORS
UDBSWE==23 ;SOFT WRITE ERRORS
UDBHRE==24 ;HARD READ ERRORS
UDBHWE==25 ;HARD WRITE ERRORS
UDBPS1==26 ;CURRENT CYL IF DISK,FILE IF TAPE
UDBPS2==27 ;CURRENT SECTOR WITHIN CYL IF DISK, RECORD IN FILE IF TAPE
UDBPWQ==30 ;POSITION WAIT QUEUE - TAIL,,HEAD
UDBTWQ==UDBPWQ+1 ;TRANSFER WAIT QUEUE - TAIL,,HEAD
UDBONR==32 ;FORK WHO OWNS THIS UNIT (MAINT MODE)
UDBERC==33 ;CURRENT RETRY COUNT
UDBSPE==34 ;SOFT POSITIONING ERROR
UDBHPE==35 ;HARD POS ERR
UDBPNM==36 ;PROGRAM NAME TO LOG ON ERROR
UDBUDR==37 ;USER DIRECTORY NUMBER TO LOG ON ERROR
UDBSIZ==40 ;UNIT SIZE (NUMBER OF CYLINDERS)
UDBFCT==41 ;SEEK FAIRNESS COUNT
UDBCHB==42 ;IORB USED BY HOME BLOCK CHECK
UDBFCR==43 ;FAIRNESS COUNT FOR READ SEEK PREF
UDBSLV==44 ;SLAVE NUMBER IF TAPE
UDBCHR==45 ;CHARACTERISTICS WORD
UDBDDD==46 ;DEVICE DEPENDENT PART IF A DISK
UDBRNR==46 ;FRAMES READ IN NRZI (MAGTAPE)
UDBRPE==47 ;FRAMES READ IN PE
UDBRGC==50 ;FRAMES READ IN GCR
UDBWNR==51 ;FRAMES WRITTEN IN NRZI
UDBWPE==52 ;FRAMES WRITTEN IN PE
UDBWGC==53 ;FRAMES WRITTEN IN GCR
UDBDDM==54 ;DEVICE DEPENDENT PART IF A MAGTAPE
;BITS AND BYTES
;UDBSTS
US.OFS==1B0 ;OFFLINE OR UNSAFE
US.CHB==1B1 ;CHECK HOME BLOCKS BEFORE ANY NORMAL IO
US.POS==1B2 ;POSITIONING IN PROGRESS
US.ACT==1B3 ;ACTIVE
US.BAT==1B4 ;ON IF BAD BAT BLOCKS ON THIS UNIT
US.BLK==1B5 ;LOCK BIT FOR THIS UNITS BAT BLOCKS
US.PGM==1B6 ;DUAL PORT SWITCH IN (A OR B) (RP04,5,6)
US.MAI==1B7 ;UNIT IS IN MAINT MODE
US.MRQ==1B8 ;MAINT MODE IS REQUESTED ON THIS UNIT
US.BOT==1B9 ;UNIT IS AT BOT
US.REW==1B10 ;UNIT IS REWINDING (FOR MAGTAPES)
US.WLK==1B11 ;UNIT IS WRITE LOCKED
US.MAL==1B12 ;MAINT MODE ALLOWED ON THIS UNIT
US.OIR==1B13 ;OPERATOR INTERVENTION REQUIRED.
;SET AT INTERRUPT LEVEL, CHECKED AT SCHED.
US.OMS==1B14 ;ONCE A MINUTE MESSAGE TO OPR. USED IN
;CONJUNCTION WITH US.OIR
US.PRQ==1B15 ;POSITIONING REQUIRED ON THIS UNIT
US.TAP==1B16 ;TAPE TYPE DEVICE
US.PSI==1B17 ;PSI ONLINE/OFFLINE/REWIND DONE TRANSITION OCCURRED
US.DSK==1B18 ;DISK TYPE DEVICE
USSTYP==SIZ.UT ;UNIT TYPE FIELD SIZE
USPTYP==^D35 ;UNIT TYPE FIELD POSITION
DEFSTR (USTYP,UDBSTS,USPTYP,USSTYP) ;UNIT TYPE IN UDBSTS
MSKSTR (USOFL,UDBSTS,US.OFS) ;UNIT OFFLINE
;UDBCHR
UC.7TK==1B0 ;7 TRACK TAPE DRIVE
;DENSITYS DRIVE IS CAPABLE OF
UC.200==1B1 ;200 BPI
UC.556==1B2 ;556 BPI
UC.800==1B3 ;800 BPI
UC.160==1B4 ;1600 BPI
UC.625==1B5 ;6250 BPI
;DATA MODES DRIVE IS CAPABLE OF
UC.CD==1B6 ;CORE DUMP MODE
UC.6B==1B7 ;SIXBIT MODE
UC.AA==1B8 ;ANSI ASCII MODE
UC.IC==1B9 ;INDUSTRY COMPATIBLE MODE
UC.HD==1B10 ;HI-DENSITY MODE
;UNIT ROUTINE MAIN ENTRY POINTS
UDSINI==0 ;INITIALIZE
UDSSIO==1 ;START IO,SKIPS IF OK.
UDSINT==2 ;INTERRUPT ROUTINE
UDSERR==3 ;ERROR RECOVERY,SKIP IF DONE.
UDSHNG==4 ;HUNG RESET
UDSCNV==5 ;CONVERT LINEAR ADDR TO CYL,SURF,SEC
UDSLTM==6 ;RETURN LATENCY/BEST REQUEST
UDSPOS==7 ;START POSITION,SKIP IF OK.
UDSATN==10 ;ATTENTION INTERUPT
UDSPRQ==11 ;SKIP IF POSITIONING REQUIRED
UDSSTK==12 ;STACK SECOND COMMAND, SKIP IF OK
UDSEXT==13 ;CHECK LEGALITY OF A UNIT, SKIP IF EXISTANT
UDSCCK==14 ;CHECK FOR HALTED MICROCODE IN CONTROLLERS
;CALLING SEQUENCES
;ENTRY INPUT OUTPUT ;COMMENTS
;INI P1,Q2 P2,3 ;CALLED ONCE PER UNIT. Q2/ UNIT NUMBER
; ;Q3/ SUBUNIT # IF GT 1 SUBUNITS
; ;RETURNS UDB IN P3,MAY RETURN KDB IN P2.
;SIO P4,P1,3 ;STARTS IO ON AN IORB. SKIPS IF OK.
;INT P1,P3 ;CALLED ON INTERRUPT FOR XFR DONE.
;ERR P4,P1,3 ;INITIATE ERROR RETRY. SKIPS IF NO MORE RETRYS.
;HNG P1,3 ;CALLED FROM TIMER TO RESET HUNG DEVICE.
;CNV T1,P1,3 T1,2,3 ;CONVERTS FROM UNIT LINEAR ADDR TO CYL,SURF,SEC
; ;T1/ LINEAR ADDR, ON RETURN: T1/ SAME, T2/CYL,T3/SURF,,SEC
;LTM P1,3 T1,2,3 ;SEE CDSLTM
;POS P4,P1,3 ;START POSITIONING ON IORB. SKIPS IF OK
;ATN P1,3,Q1 P4,2 ;CALLED ON DRIVE ATTENTION INTERRUPT.
; ;RETURNS P4=0 IF NO ERRORS (SEEK ERRORS)
; ;SETS LH(Q1) TO -1 IF IORB POSITION DONE
; ;NOTE: TAPE SHOULD RETURN P4=0, Q1 UNCHANGED
SUBTTL IO REQUEST BLOCK
IRBSTS==0 ;STATUS,, NEXT IORB
IRBLNK==0 ;WHEN REFERING TO LINK
IRBMOD==1 ;PRIO,DENSITY,PAR,MORE
IRBCNT==2 ;COUNT OF DATA TRANSFERRED
IRBXFL==3 ;XFR LIST TAIL,,HEAD
IRBIVA==4 ;SIO EXIT,,ROUTINE TO CALL ON TERMINATION
IRBADR==5 ;PHYSICAL DEVICE ADDRESS (IF NEEDED)
IRBLEN==:6 ;LENGTH OF IORB
;STRUCTURE DEFINITIONS FOR THE IORB
DEFSTR (IRLNK,IRBLNK,35,18) ;LINK TO NEXT IORB
DEFSTR (IRBHD,IRBXFL,35,18) ;POINTER TO HEAD OF TRANSFER LIST
DEFSTR (IRBTL,IRBXFL,17,18) ;POINTER TO TAIL OF TRANSFER LIST
;FUNCTIONS, POINTER IRYFCN
ISSFCN==4 ;FUNCTION CODE SIZE
ISPFCN==^D17 ;POSITION IN IRBSTS
DEFSTR (ISFCN,IRBSTS,ISPFCN,ISSFCN) ;FUNCTION CODE IN IORB
IRFRED==1 ;READ DATA
IRFRDF==2 ;READ DATA AND FORMAT (COUNT, KEY, HEADER)
IRFWRT==3 ;WRITE DATA
IRFWTF==4 ;WRITE FORMAT
IRFSEK==5 ;SEEK
IRFFSB==6 ;FORWARD SPACE BLOCK
IRFBSB==7 ;BACKSPACE BLOCK
IRFWTM==10 ;WRITE TAPE MARK
IRFERG==11 ;ERASE GAP
IRFREW==12 ;REWIND
IRFRUN==13 ;REWIND AND UNLOAD
IRFRDR==14 ;READ REVERSE
IRFRCR==15 ;RECOVERY READ
IRFWVC==16 ;WRITE WITH VALIDITY CHECK
IRFRVC==17 ;READ VALIDITY CHECK
IRFFSF==IRFSEK ;#23 Forward space file : multiplex since OOB
;MODES
IMSMOD==3 ;SIZE OF MODE WHAT
IMPMOD==^D17 ;POSITION OF MODE FIELD
DEFSTR (IRBDM,IRBMOD,IMPMOD,IMSMOD) ;DATA MODE
IRBSDN==4 ;SIZE OF DENSITY FIELD
DEFSTR (IRBDN,IRBMOD,35,IRBSDN) ;DENSITY FIELD
DEFSTR (IRBPAR,IRBMOD,31,1) ;PARITY BIT
DEFSTR (IRBPRI,IRBMOD,30,4) ;PRIORITY FIELD
IRMWRD==1 ;WORD MODE
IRM6BT==2 ;SIXBIT
IRM7BT==3 ;SEVEN BIT MODE
IRM8BT==4 ;EIGHT BIT MODE
IRMHID==5 ;HIGH DENSITY MODE
IRMMAX==5 ;MAXIMUM LEGAL MODE
;BITS AND BYTES
;LH IRBSTS
IS.SHT==1B0 ;SHORT FORM (PAGEM) REQUEST
IS.DON==1B1 ;DONE WITH THIS IORB
IS.ERR==1B2 ;ERROR ON THIS OPERATION
IS.NRT==1B3 ;NO MORE RETRIES
IS.WGU==1B4 ;WRONG UNIT INTERRUPTED
IS.TPM==1B5 ;HIT TAPE MARK
IS.EOT==1B6 ;ON WRITE ONLY: HIT PHYSICAL EOT
IS.WLK==1B7 ;WRITE LOCKED
IS.IER==1B8 ;INHIBIT ERROR RECOVERY
IS.DTE==1B9 ;DATA ERROR
IS.DVE==1B10 ;DEVICE (HARDWARE) ERROR
IS.BOT==1B11 ;HIT BEGINING OF TAPE
IS.RTL==1B12 ;RECORD TOO LONG (BUFFER TOO SMALL?)
IS.IEL==1B13 ;INHIBIT ERROR LOGGING
IS.ALE==IS.ERR!IS.NRT!IS.WGU!IS.DTE!IS.DVE!IS.RTL ;ALL ERROR BITS
MSKSTR (ISERR,IRBSTS,IS.ERR) ;ERROR ON THIS OPERATION
MSKSTR (ISTPM,IRBSTS,IS.TPM) ;TAPE MARK HIT
SUBTTL PARAMETERS - USUALLY DETERMINE MAXIMUM # OF DEVICES
PZSSIZ==20 ;PAGE ZERO STORAGE
CHNN==^D8 ;MAXIMUM NUMBER OF CHANNELS
MAXRH==10 ;MAXIMUM NUMBER OF UNITS ON RH20
NUIORB==^D15 ;NUMBER OF IORBS FOR UDSKIO MUST BE GE 2
UIOLEN==IRBLEN+2 ;LENGTH OF FREE STG BLOCK IN IORB POOL
CCWMAX==^D50 ;GREATEST NUMBER OF CCW WORDS ALLOWABLE
LPHYPD==55 ;PRIVATE PDL
LPHIPD==120 ;INTERRUPT PDL
SUBTTL MACRO DEFINITIONS
;PI SYSTEM CONTROL
PHYCHN==:5 ;CHANNEL FOR PHYSIO DEVICES
DEFINE IOPIOF<
CHNOFF PHYCHN
>
DEFINE IOPION<
CHNON PHYCHN
>
SUBTTL TYPE CODES
;BLOCK TYPES
SIZ.UT==5 ;CHANNEL/UNIT TYPE CODE SIZE
XSSTYP==2 ;SIZE OF BLOCK TYPE FIELD
XSPTYP==^D35-SIZ.UT ;POSITION OF BLOCK TYPE FIELD
.BTCDB==1 ;CDB
.BTKDB==2 ;KDB
.BTUDB==3 ;UDB
;CHANNEL TYPES
.CTRH1==1 ;RH10
.CTRH2==2 ;RH20
.CTRH3==3 ;RH11
.CTSSA==4 ;#25 SA10
;UNIT TYPES
.UTRP4==1 ;RP04
.UTRS4==2 ;RS04
.UTT45==3 ;TU45
.UTTM2==4 ;TM02 (AS UNIT)
.UTRP5==5 ;RP05
.UTRP6==6 ;RP06
.UTRP7==7 ;RP07
.UTRP8==10 ;RP08
.UTRM3==11 ;RM03
.UTTM3==12 ;TM03
.UTT77==13 ;TU77
.UTTM7==14 ;TM78
.UTT78==15 ;TU78
.UTDXA==16 ;DX20A FOR TAPES
.UTT70==17 ;TU70 (800/1600 200IPS 9TRK)
.UTT71==20 ;TU71 (200,556,800 200IPS 7TRK)
.UTT72==21 ;TU72 (1600/6250 125IPS 9TRK)
.UTT73==22 ;TU7x (1600/6250 200IPS 9TRK)
;DO NOT REORDER .UTT70 - 3 WITHOUT
; ALSO REORDERING TABLES IN PHYX2
.UTDXB==23 ;DX20B FOR RP20 DISKS
.UTP20==24 ;RP20
.UTCT1==30 ;#416 ;#26 IBM compatable Tape drive
.UTCC1==31 ;#416 ;#25 Calcomp 230 (=IBM 3330 mod I)
.UTCC2==32 ;#416 ;#25 Calcomp 235 (=IBM 3330 mod II)
;MASS BUSS DEVICE TYPES
TY.RP4==020 ;RP04
TY.RP5==021 ;RP05
TY.RP6==022 ;RP06
TY.RM3==24 ;RM03
TY.R7F==42 ;RP07 FIXED HEAD
TY.R7M==41 ;MOVING RP07
TY.RPL==TY.RP4 ;LOWEST "RP04" TYPE
TY.RPH==TY.R7F ;HIGHEST "RP04" TYPE
TY.RS4==002 ;RS04 DRIVE TYPE
TY.T2L==010 ;LOWEST TM02 TYPE
TY.T2H==017 ;HIGHEST TM02 TYPE
TY.T3L==050 ;LOWEST TM03 TYPE
TY.T3H==057 ;HIGHEST TM03 TYPE
TY.T77==014 ;TU77 NOTE: TM03 HAS 40 BIT ON
TY.DXA==060 ;DX20A TYPE (FOR TUXX TAPES)
TY.DXB==061 ;DX20B TYPE (FOR RP20 DISKS)
TY.T78==101 ;TM78
SUBTTL SA10 parameters ;#25 .
;#25 ;#26 Begin additions for disks, tapes on SA10
;Parameters for SA10 channel and IBM style devices used on SA10.
SSANSC==4 ;number of subchannels on an SA10
SA10BF==1 ;all are model "B" SA10s
SA0==274 ;device number of 1st SA10
SA1==374 ;device number of 2nd SA10
SA0BAS=:2000 ;base address for 1st SA10
SA1BAS=:2020 ;base address for 2nd SA10
SSACHN==5 ;PI channel for SA10
MAXSAU==^D8 ;maximum units supported on each SA10 subchan.
PGSIZ==:1000 ;Better be same as in prolog
NWREC==PGSIZ ;size of physical record
NBREC==NWREC*9/2 ;number of bytes per record
NRECS==5 ;number of records per track, mod I or II
;PARAMETERS USED IN SA10 AND IBM-STYLE DEVICES
; 8 bit bytes in a word
BYTE0==MASKB(0,7)
BYTE1==MASKB(8,15)
BYTE2==MASKB(16,23)
BYTE3==MASKB(24,31)
; bits in an 8 bit byte
BB0==200
BB1==100
BB2==040
BB3==020
BB4==010
BB5==004
BB6==002
BB7==001
;CONO TO SSA
SA%INI==1B18 ;Initialize whole SA10
SA%CME==1B19 ;Clear memory error flags
SA%CLK==1B26 ;Clock control in SA10 microprocessor
SA%FCN==MASKB(27,29) ;Function selection
.SANOP==0 ;NOP=0
.SAHIO==2 ;Halt I/O
.SARSC==3 ;Reset channel
.SAGOF==4 ;Go flag for channel
.SASRQ==5 ;Status request flag
.SASTS==6 ;Status done flag
.SAPIE==7 ;Interrupt enable for a channel
SA%SET==1B30 ;Set/do one of above flags/functions.
SA%CLR==0B30 ;Clear one of above flags.
SA%CHN==MASKB(31,32) ;(Sub)Channel select for above functions
.SACH0==0 ;Select channel 0
.SACH1==1 ;Select channel 1
.SACH2==2 ;Select channel 2
.SACH3==3 ;Select channel 3
SA%PIA==MASKB(33,35) ;PI assignment for the SA10 as a whole.
;CONI FROM SSA
SA%PIR==1B18 ;A PI request is being made
SA%MPE==1B19 ;Parity error flag
SA%NXM==1B20 ;Non-existent memory flag
SA%IEN==MASKB(21,24) ;Interrupt enable bits
SA%GON==MASKB(25,28) ;Go flags
SA%SFN==MASKB(29,32) ;The status flags
;The following codes apply to SA%IEN, SA%FON,SA%SFN
.SACB0==10 ;Bit for channel 0
.SACB1==04 ;Bit for channel 1
.SACB2==02 ;Bit for channel 2
.SACB3==01 ;Bit for channel 3
;and the PIA comes back in bits 33-35 (SA%PIA)
; field sizes for 2 models of SA10
IFE SA10BF,<
WCSIZ==^D15 ;size of word count field
ADSIZ==^D20 ;size of address field
>
IFN SA10BF,<
WCSIZ==^D11 ;size of word count field
ADSIZ==^D24 ;size of address field
>
;Block Multiplexor Control Commands (entries in Device List)
IFE SA10BF,<
BMX%CM==MASKB(0,3) ;command field
BMX%DV==MASKB(8,15) ;device field
>
IFN SA10BF,<
BMX%CM==MASKB(8,11) ;command field
BMX%DV==MASKB(0,7) ;device field
>
BMX%AD==MASKB(36-ADSIZ,35) ;address field (points to CP)
; Commands in the command field
.BMXS==^B1101 ;Start this device
.BMXW==^B1110 ;Waiting on this device
.BMXT==^B1111 ;This device has terminated
.BMXE==^B0000 ;End of list
;Channel Program commands
TCH==1B1 ;Transfer in Channel program
; (valid in CP or at Base address)
BMX.LP==3B1 ;Block multiplexor Device List Pointer
; (only valid at Base address)
;Device Command Word
SC%CCF==BYTE0 ;channel command flags
.SCNMX==BB0 ;No Memory Transfer
.SCTMM==BB1 ;Transfer mode modifier
.SCXCT==BB2 ;execute this word
.SCCHN==BB3 ;chain to further words after this one
.SCBYT==BB4 ;transfer bytes, not words (byte = 8 bits)
; (for tape, used with .SCTMM to specify mode)
.SCINT==BB5 ;cause an interrupt when this CMD executed
.SCILE==BB6 ;ignore length error
.SCBOF==BB7 ;byte offset. start 2 bytes over in word.
.SCWDM==0*.SCBYT+0*.SCTMM ; Word mode
.SCBTM==1*.SCBYT+0*.SCTMM ; Byte mode (SC name) [counts are byte counts]
.SCICM==1*.SCBYT+0*.SCTMM ; "Industry Compatible" mode (DEC name) [byte count]
.SCNLM==0*.SCBYT+1*.SCTMM ; Natural mode (SC name)
.SCHDM==0*.SCBYT+1*.SCTMM ; "High Density" mode (DEC name)
.SCTCM==1*.SCBYT+1*.SCTMM ; "Tape Compatibility" mode (SC name)
.SCCDM==1*.SCBYT+1*.SCTMM ; "Core Dump" mode (DEC name)
SC%CMD=BYTE1 ;device command field
SC%DEV=BYTE2 ;device address field
DEFINE DCW (BITS,CMD,DEV)<
..CW==0
IRP BITS,<..CW==..CW!.SC'BITS>
EXP FLD(..CW,SC%CCF)+FLD(CMD,SC%CMD)+FLD(DEV,SC%DEV)>
;Device Chain Word (IOW)
SC%LST==1B0 ;last command in chain if on
SC%CNT==MASKB(1,WCSIZ) ;word count (negative)
SC%ADR==MASKB(36-ADSIZ,35) ;core address
SC%PAG==<SC%ADR-<PGSIZ-1>> ;page number portion of address field
DEFINE IOW (CNT,ADR,CHN)<+<FLD(-CNT,SC%CNT)&SC%CNT>+FLD(ADR,SC%ADR)! IFB <CHN>,<SC%LST>>
; Halt command
DEFINE HLT.H <0B0> ;halt, hanging
DEFINE HLT.C <1B0> ;halt, continuing
DEFINE HLT <HLT.H> ;default to hang
;DEVICE CODES ON THE IBM BUS
.IDDSK==300 ;Address of Disk drive 0
.IDMTA==340 ;Address of Tape drive 0
;Channel status byte -- B0 - B7 of status word one in low core
S1%CHS==BYTE0 ;channel status in status word 1
S1%STY==MASKB(0,1) ;status type
.S1INI==0 ;Initial selection status
.S1END==1 ;Ending status
.S1ASY==2 ;Asynchronous status
.S1DMY==3 ;Dummy status (program requested)
.S1SER==040 ;Select err. no such device.
.S1BIP==020 ;Bus in parity error on IBM chan bus
.S1CSE==004 ;Control sequence error. Junk on BUS.
.S1LNE==002 ;Length error (data xfer word/byte count)
.S1PIF==001 ;Prog interrupt flag (req by chan prg)
;IBM-device status byte. Appears in B8-B15 of status wd 1
S1%DVS==BYTE1 ;device status in status word 1
.S1ATN==200 ;Attention
.S1SMD==100 ;Status modifier
.S1CUE==040 ;Control unit end
.S1BSY==020 ;Busy (device or controller)
.S1CHE==010 ;Channel end (data xfr through)
.S1DVE==004 ;Device end
.S1UCK==002 ;Unit check
.S1UEX==001 ;Unit exception (unusual state, not error)
S1%DEV==BYTE2 ;device code of unit interrupting
;IBM command codes - opcodes to tape or disk
.ICNOP==003 ;No-operation
.ICWRT==001 ;Write data (Tape)
.ICRDT==002 ;Read data (Tape)
.ICRDD==006 ;Read data area of DSK record
.ICWRD==005 ;Write data area of DSK record
.ICSNS==004 ;Request sense bytes from device
.ICREW==007 ;Rewind (Tape)
.ICSEK==007 ;Seek (Disk)
.ICRDR==014 ;Read reverse (Tape)
.ICRUN==017 ;Rewind-unload (Tape)
.ICERG==027 ;Erase gap (Tape)
.ICWEF==037 ;Write tape mark (end of file)
.ICBSB==047 ;Backspace block
.ICBSF==057 ;Backspace file
.ICSKB==067 ;Skip block
.ICSKF==077 ;Skip file
.ICSSC==043 ;Set sector (Disk) wait for right angular pos.
.ICSIE==061 ;Search id equal (Disk)
.ICRCL==027 ;Recalibrate (restore) (Disk)
.ICRDC==022 ;Read count (Disk)
.IC916==303 ;Set mode to 9-track, Hi density (1600) (Tape)
.IC908==313 ;Set mode to 9-track, Lo density (800) (Tape)
; Sense byte bits
;Sense byte 0
SN%CRJ==FLD(BB0,BYTE0) ;command reject
SN%IRQ==FLD(BB1,BYTE0) ;intervention required
SN%BOP==FLD(BB2,BYTE0) ;bus out parity check
SN%EQC==FLD(BB3,BYTE0) ;equipment check
SN%DC== FLD(BB4,BYTE0) ;data check
SN%OVR==FLD(BB5,BYTE0) ;overrun
SN%WCZ==FLD(BB6,BYTE0) ;word count zero (tape)
SN%DCC==FLD(BB7,BYTE0) ;data converter check (tape)
;sense byte 1 (disk)
SN%PRM==FLD(BB0,BYTE1) ;permanent error
SN%ITF==FLD(BB1,BYTE1) ;invalid track format
SN%EOC==FLD(BB2,BYTE1) ;end of cylinder
; FLD(BB3,BYTE1)
SN%NRF==FLD(BB4,BYTE1) ;no record found
SN%FPR==FLD(BB5,BYTE1) ;file protect
SN%WIN==FLD(BB6,BYTE1) ;write inhibit
SN%OPI==FLD(BB7,BYTE1) ;operation incomplete
;sense byte 2 (disk)
SN%COR==FLD(BB1,BYTE2) ;correctable
SN%EDP==FLD(BB3,BYTE2) ;environmental data present
;
; macro to generate a channel program for disk
;
DEFINE CC1CP(LABEL,SHORT)<
...BEG:
...RCL: DCW <NMX,XCT,CHN,ILE>,.ICRCL,.IDDSK ;recalibrate command
LABEL: ;normal channel program begins here
...SKC: DCW <XCT,CHN,BYT>,.ICSEK,.IDDSK ;seek cylinder
IOW 6,LABEL+DPOSEK ; address of cylinder
...SSC: DCW <XCT,CHN,BYT>,.ICSSC,.IDDSK ;set sector
IOW 1,LABEL+DPOSEK+2 ; address of sector number
...SRC: DCW <XCT,CHN,BYT,BOF>,.ICSIE,.IDDSK ;search ID equal
IOW 5,LABEL+DPOSEK ; address of search address
...TCC: TCH .-2 ;keep searching
...OPC: DCW <XCT>,.ICRDD,.IDDSK ;read data or write data
IFB <SHORT>,<
...ADR: EXP 0,0,0,0 ;room for up to 3 IOW's + HLT **
EXP 0 ;#2 extra halt for safety
...PSK: DCW <XCT,BYT>,.ICSEK,.IDDSK ;#2 seek cylinder (no chaining)
IOW 6,LABEL+DPOSEK ;#2 address of cylinder
HLT.C ;#2 end of Seek-only program
EXP 0 ;#2 extra halt for safety
...SNP:
DCW <XCT,CHN,BYT>,.ICSNS,.IDDSK ;sense command
IOW ^D24,.-. ;where to store sense bytes
HLT.H ;end of sense program (hang when done)
...SEK: EXP 0,0,0 ;seek argument for drive
...LEN: ;end of CP
> ;end of IFB <SHORT>
IFB <SHORT>,<
DPORCL==:...RCL-LABEL ;displacement to Recalibrate command
DPOSKC==:...SKC-LABEL ;displacement to Seek command
DPOSSC==:...SSC-LABEL ;displacement to Set sector command
DPOSRC==:...SRC-LABEL ;displacement to Search command
DPOTCC==:...TCC-LABEL ;displacement to TCH back to Search
DPOOPC==:...OPC-LABEL ;displacement to Read/Write command
DPOADR==:...ADR-LABEL ;displacement to Read/Write IOW (address)
DPOPSK==:...PSK-LABEL ;#2 displacement to Position only Seek cmd
DPOSNP==:...SNP-LABEL ;displacement to Sense command
DPOSEK==:...SEK-LABEL ;displacement to Seek buffer
DPOCPL==:...SNP-...BEG ;length of standard channel program
DPOLEN==:...LEN-...BEG ;length of command program
> ;end of IFB <SHORT>
PURGE ...BEG,...END,...RCL,...OPC,...ADR,...SNP,...SEK
PURGE ...SKC,...SSC,...SRC,...TCC
>
;#25 ;#26 end additions for disks, Tapes on SA10
END