Program Logic Manual - All about the IBM 1130 Computing System

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Settings.Negative = EOTZero = BlockPositive = TextNotes. TBTX is set during call processing accordingto digit 1 of the control parameter.TRNSPUse. A switch indicating the type of text beingmonitored by SCAT3.Settings.Zero = Monitoring Normal EBCDIC textNon-zero = Monitoring Full-Transparent textNotes. TRNSP is set non-zero during interruptprocessing when DLE STX is received while monitoring.TRNSP is set to zero during interrupt process-ing when SCAT3 resynchronizes with the transmittingstation.XNAKUse. A switch indicating that NAK is the nextcharacter to be transmitted.Settings.Zero = negative of non-zeroNon-zero = Next character to be transmitted isNAKNotes. XNAK is set non-zero during the call processingfor a Receive Repeat operation. XNAK is setnon-zero during interrupt processing when an erroris detected while receiving a message or when theselection address is received and SCAT3 is notprepared to receive data. XNAK is set to zeroduring interrupt processing when NAK has beentransmitted.108.15
SECTION 13. SYSTEM DEVICE SUBROUTINESThe system device subroutines are a group ofspecial subroutines used exclusively by the monitorsystem programs. These are the only devicesubroutines used by the monitor system programs,aside from DISKZ. They are listed below:DISKZ1403 Subroutine1132 SubroutineConsole Printer Subroutine2501/1442 Subroutine1442/1442 Subroutine1134/1055 SubroutineKeyboard/Console Printer Subroutine2501/1442 Conversion Subroutine1134/1055 Conversion Subroutine (dummy)Keyboard/Console Printer Conversion Subroutine(dummy)Section 13. System Device Subroutines 109
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File Number 1130-36Form Y-26-3714-2
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CONTENTSSECTION 1. INTRODUCTION 1 S
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IntroductionProgram Analysis Proced
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SUP05„ Supervisor, XEQ Processing
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to be fetched as a result.Phase 2 o
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Table 1. The Contents of COMMALABEL
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"Table 1 . The Contents of COMMA (C
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Table 2. The Contents of DCOM (Conc
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Likewise, information acquired by P
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1Subphase 2Subphase 2 contains the
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prior to performing any disk operat
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Cold StartLoaderResidentImageParame
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Page Blank In Original
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lank (the mainline is in Working St
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0 0 0 0COMMA, COMMA, COMMA, COMMA,S
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SECTION 8. CORE LOAD BUILDERFLOWCHA
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core load is executed) below locati
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LOCALs AND SOCALsIf during the firs
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LOWCORE./‘. BSC L I FL210 I BSS 1
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SubroutineMC000RL000FunctionMaster
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PHASE 6Phase 6 performs several mis
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DUP CONTROL RECORDSIn the table bel
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LocationPIHDRSIHDRPTHDRCIHDRPhase N
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specified on the DUP control record
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the disk area reserved for DUP phas
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DCTL SubroutinesThese subroutines m
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SNOFF SubroutineFixed Area is the b
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XW000This subroutine places the dat
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IITo delete the FORTRAN Compiler, t
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If // or * is found in column 1, th
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PRECIThis phase is read into core s
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Subroutine in execution Contents of
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phase. When the overlay phase compl
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PHASE 2Phase 2 handles the processi
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SCANThe SCAN subroutine collects th
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Figure 14, panel 3 shows the layout
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PhaseNumber Phase NameFunctionPhase
Page 85 and 86: 0 0 0 0 0 0 0 0COMMA,SkeletonSuperv
Page 87 and 88: If at any time during the compilati
Page 89 and 90: Dimension Information Array Name75
Page 91 and 92: calls the System Core Dump program
Page 93 and 94: Pass 1 of phase 4 examines all COMM
Page 95 and 96: phase 16, when an arithmetic operat
Page 97 and 98: Phase 11 then calculates the subscr
Page 99 and 100: A DO Table entry is made for each D
Page 101 and 102: associated string and performs the
Page 103 and 104: All calls to these subprograms are
Page 105 and 106: Errors DetectedThere are no errors
Page 108 and 109: SECTION 12. SYSTEM LIBRARYFLOWCHART
Page 110 and 111: Function Name(s) Type Subtype Refer
Page 116 and 117: If (1) cylinder zero is defective,
Page 118 and 119: 1130 Disk Data File Conversion Prog
Page 120 and 121: into a 31 word work area which has
Page 122 and 123: Acknowledge and Receive. If the ope
Page 124 and 125: Write Response (Transmit). If the t
Page 126 and 127: ead response routine to handle the
Page 128 and 129: Normal EBCDIC text. This interrupt
Page 130 and 131: Notes. FIRST is set non-zero during
Page 132 and 133: Notes. During call processing SYN5
Page 134 and 135: switches and storage locations requ
Page 139 and 140: SECTION 14. STAND-ALONE UTILITIESDI
Page 141 and 142: PROGRAM ANALYSIS PROCEDURESINTRODUC
Page 143 and 144: SUBROUTINE ERROR NUMBER/ERROR STOPL
Page 145 and 146: •Table 8. Error Number List (Cont
Page 147 and 148: COMMA,SkeletonSupervisorCOMMA,Skele
Page 149 and 150: Assumes CoreLocation Procedureshave
Page 151 and 152: StepProcedureContinue nowhaving the
Page 153 and 154: SUBROUTINE DATA CHARTSSYSTEM DEVICE
Page 155 and 156: Register status:MainlineSaved at/re
Page 157 and 158: Significant variables:Symbolic loca
Page 173 and 174: TYPE ZFlowchart: F1012Used by: SFIO
Page 175 and 176: PRNZFlowchart: FI010Used by: SFIOSu
Page 183 and 184: Register status:MainlineSaved at/re
Page 185 and 186: READ1Used by: Assembler Language pr
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Significant variables:Symbolic loca
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Register status:ACC EXT XR1 XR2 XR3
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Register status:ACC EXT XR1 XR2 XR3
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DISK1Used by: Monitor system progra
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Postoperative conditions and entry
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Significant variables: (Continued)S
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mom texauao ularAS • TO •LkS 2.
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MAINS• ENTER FROM• PHASE 1•SE
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•.4ISLA11.41.0..005•• • •
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••••10•ENTER FROM COLD.
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****A1**********ENTER FROM CORE** I
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J P300****A1**********ENTRY FROM Su
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****AI*ENTER HF.E F.OM♦* PHASE 3
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***** *Sim*000* 5 * * 008*%al* * A2
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.•.•••▪NNA L FRM CORE.•
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• A4 :...CM000CM11;... A4114**Al
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SOZ sixelpAAINAnoTvezifemul gaaprin
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•003•• Al•• ••iSTOREA
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..*006 *.Al.•006•. A2• •
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E T z siautromoiacuninact umi2oad A
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• D Al•••DUMPLET*A/• EXEC
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DEFINE0 *****1000* ******0*****ENTE
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•014.• Al.• •PRECI*rnA•EN
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A l•ENTER FROM MCRA•B145TAIVral
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• ENTER FROM •• PHASE 1 •
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•RHAN4 ;FLIPPER•• •x81•
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.-706 FROM •• PHASE 3 ••
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• ENTER FROM •• PHASE 9 •
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.1/1E11/2 *PHA S 7 FLIPPER:BI•RES
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•• ENTER FROM •• PHASE 9
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LDLBL Al• CONVERT LABEL •• TO
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DTHORAlCOMPUTE OSFBLOCK MORDCOUNT%I
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INT2AlFETCH DISKBUFFERADDRESSESBI
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EM0001•FETCH •APPROPRIATE •ER
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AlSAV5014yEAREAX81 82•"• INITIA
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• •• A4 •• •XF0000 F150
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STARTST1CKRLAl•"INITIALIZE PASSON
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•OOP•%AI*•NXTPOAlINIUNZE•
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•008.• AI.• •BEGIN1A• •
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Esz SDIETT0AA0T3L asvtid (aaudutop
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• A3 ••• • •STARTAlINIT
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STARTAl••• INITIALIZE TO •*
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XSTARTAlA4•• I NIT I ALIZESUBSC
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ENEAlINITIALIZE PHASE • ••STA
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6T as'otici ‘aaudurop NV/U.1103
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ENTAl• MOVE STRINGNEXT TO SYRT8L.
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••ENT 12012Al A2 ..• ••IN
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ENTAlINITIALIZEPHASE• B/ •.X.
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RC000A2:REVAIHLPHISE•B2• LOAD S
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FSLEN•Al:FSICUEStitiCeDD•SYSTEM
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DISCAl•CALIO •• ••READ ID
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IDENTAl•CALPR 007A1•.----------
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swIrommaAc103 tAreaqn tuaiskS • 8
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*****. YES *010.Er000 .FC015 * 02**
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ICNVT****A1*** ***** *ENTER I - * C
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INSRT .4. .4.Al *. 44 *. *****As **
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INT2 ..*A1***** *******• SENSE &
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XMTNTAt .. *.4:00* ******** .1,1. *
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SCAT3 s****A1************SAVE RUGS.
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%.• • * • **▪ 208* *0013*AL
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SEAL...•.A1ENTRYARK)•• ENTRY
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•003*• A/o• •.0*.*•003•
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..Al....A; .... ao•• COLUMN •
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RAPT!..•.AI+ENTRY VIA LIEF• PAP
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• A2 •12300 X 12100 72400••
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PACES PNCHZ P2080••••Al ...
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HOLE/'ENTRY VIA LEAF •HOLEZ•
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8Z '90£LT,Old `Ireami tualsAs TtOL
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0X.*.2*•A5 *.•.* LAST 5.REMOVE
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APPENDIX A. EXAMPLES OF FORTRAN OBJ
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Object CodingSource Coding Object C
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Source CodingObject CodingObject Co
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Source CodingObject CodingObject Co
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Source CodingObject CodingNon-Disk
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Source CodingObject CodingWRITE (2'
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APPENDIX B. LISTINGSThis appendix c
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ADOR REL OBJECT ST.NO. LABEL OPCD F
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ADDR RFL OBJECT ST.NO. LABEL OPCD F
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ADOR REL OBJECT ST.NO. LABEL OPCD F
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ADDR REL OBJECT ST.NO. LABEL OPCD F
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AMA REL OBJECT ST.NO. LABEL OPCD FT
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SYMROL VALUE REL DEFN REFERENCESSSC
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APPENDIX C. ABBREVIATIONSBelow is a
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Abbreviation Meaning Abbreviation M
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Abbreviation Meaning Abbreviation M
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Disk Monitor Microfiche Disk Monito
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Disk Monitor Microfiche Disk Monito
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cters respectively.CSP D1 FORMAT:CS
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APPENDIX G: FIELD TYPE COMPRESSIONS
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Disk I/O subroutineResident monitor
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Arithmetic and function subroutines
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READER'S COMMENT FORMIBM 1130 Disk
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