IBM System/7 Functional Characteristics - All about the IBM 1130 ...

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Eighth Edition (February 1976)This is a reprint of GA34-0003-6 incorporating changes released in Technical Newsletter GN34-0290,dated October 10, 1975.Changes are periodically made to the information herein; before using this publication in connectionwith the operation of IBM systems, refer to the latest System/7 Bibliography, GC20-1737 for theeditions that are applicable and current.Text for this manual has been prepared with the IBM Selectric® Composer.Some illustrations in this manual have a code number in the lower corner. This is a publishing controlnumber and is not related to the subject matter.Requests for copies of IBM publications should be made to your IBM representative or the IBM branchoffice serving your locality.A form for readers' comments is provided at the back of this publication. If the form has beenremoved, send your comments to IBM Corporation, Systems Publications, Department 27T, P.O. Box1328, Boca Raton, Florida 33432. Comments become the property of IBM.li©Copyright International Business Machines Corporation 1970, 1971, 1972, 1974, 1975
ContentsPrefaceChapter 1. IntroductionChapter ContentsSystem/7 ConfigurationsProcessor ModuleI/O Modules5024 I/O Attachment EnclosureSystem Data FlowPower System ControlPower ControlPower Failure and Thermal WarningChapter 2. IBM 5010 Processor ModuleProcessor Module Data FlowProcessor StatesParityData FormatsNumeric Data Formats for Arithmetic OperationsStorage AddressesRegistersStorage Address Register (SAR)Instruction Address Register (IAR)Index Registers (XR1 to XR7)Accumulators (ACC 0 to ACC 3)Interruption Mask Register and Summary MaskMiscellaneous Machine RegistersProgram IndicatorsCarry IndicatorOverflow IndicatorResult-Zero IndicatorResult-Even IndicatorResult-Positive IndicatorResult-Negative IndicatorStorage Protect (5010 Processor Module Model EOnly)Chapter 3. System/7 InterruptionsChapter ContentsPriority InterruptionsPriority LevelsInterruption Request StackingInterruption Mask Register and Summary MaskReserved Storage LocationsInterrupt Sublevel BranchingClass InterruptionsPriority'of Class InterruptionsMachine CheckProgram CheckPower/Thermal WarningChapter 4. Processor InstructionsChapter ContentsInstruction ClassesInstruction FormatsEffective Address GenerationAddress ArithmeticLoad and Store InstructionsLoad Accumulator (PL)Load and Zero (PLZ)Load Immediate (PLI)Load Index Long (PLXL)Store Accumulator (PST)Store Index (PSTX)vii1-1Arithmetic Instructions 4-14Add (PA) 4-14Add Immediate (PAI) 4-15Subtract (PS) 4-151-1 Add Register (PAR) 4-171-2 Subtract Register (PSR) 4-181-2 Complement Register (PCR) 4-191-4 Logical Instructions 4-201-5 AND (PN) 4-201-6 OR (PO) 4-201-6 Exclusive OR (PX) 4-211-6 AND Register (PNR) 4-221-7 OR Register (POR) 4-22Exclusive OR Register (PXR) 4-232-1 Shift Instructions 4-242-22-42-62-72-82-92-92-92-102-102-112-112-122-122-122-132-132-132-132-132-133-1Shift Left Logical (PSLL) 4-25Shift Left Circular (PSLC) 4-26Shift Right Logical (PSRL) 4-27Shift Right Arithmetic (PSRA) 4-28Branch and Skip Instructions 4-29Branch (PB) 4-29Branch and Link (PBAL) 4-30Branch and Link Long (PBALL) 4-32Branch Conditional (PBC) 4-34Branch & Unmask Long (BUL) 4-36Skip Conditional (PSKC) 4-38Add to Storage and Skip (PAS) 4-39Register-to-Register Instructions 4-41Store to Register (PSTR) 4-41Load from Register (PLR) 4-42Interchange Register (PIR) 4-43Load Processor Status (PLPS) 4-44Inspect IAR Backup (PIIB) 4-44Write IAR Backup (WIB) 4-46Read IAR Backup (RIB) 4-47Store Indicators (STI) 4-48Interruption Mask Register Instructions 4-49AND to Mask (PNM) 4-49OR to Mask (POM) 4-49Sense Level and Mask (PSLM) 4-563-1 State Control Instructions 4-513-2 Level Exit (PLEX) 4-513-2 Stop (PSTP) 4-513-4 Supervisor Call (SVC) 4-513-5 Storage Protect Instructions (5010 Processor Module3-6 Model E Only) 4-523-8 Alter Storage Key (ASK) 4-523-9 Alter Protect Key (APK) 4-533-9 Read Protect Key (RPK) 4-543-10 Input/Output Instruction 4-553-10 Execute I/O (PIO or XIO) 4-553-11 I/O Command Functions 4-57 _Status Indicators 4-594-1 I/O Module Identification Word 4-624-14-2Chapter 5. Operator Console 5-14-5 Chapter Contents 5-14-6 Console Display Area 5-34-6 Machine Check (MCK) Indicator Lights 5-34-8 Program Check (PCK) Indicator Lights 5-44-8 Cycle Indicator Lights 5-44-9 Miscellaneous Indicators 5-54-104-114-124-13Contents iii
Page 3: GA34-0003-7File No. S7-00IBM System
Page 7 and 8: Flagging 15-26Track Initialization
Page 9 and 10: PrefaceThis reference manual is a s
Page 11 and 12: IntroductionCHAPTER CONTENTSSystem/
Page 13 and 14: Figure 1-1. IBM 5028 Operator Stati
Page 15 and 16: • One or two analog output points
Page 17 and 18: Power Failure and Thermal WarningPo
Page 19 and 20: IBM 5010 Processor ModuleCHAPTER CO
Page 21 and 22: StorageProcessorAACycleSteal/ Featu
Page 23 and 24: The processor does not recognize in
Page 25 and 26: DATA FORMATSInput/output data can b
Page 27 and 28: The absolute form can be obtained i
Page 29 and 30: Accumulators (ACC 0 to ACC 3)Page o
Page 31 and 32: Overflow IndicatorThe overflow indi
Page 33 and 34: System/7 InterruptionsCHAPTER CONTE
Page 35 and 36: Level 1interruptionprocessing'.ros
Page 37 and 38: Interruption Mask Register and Summ
Page 39 and 40: Page of GA34-0003-6,-7As Updated Au
Page 41 and 42: The accumulator associated with the
Page 43 and 44: Page of GA34-0003-6, -7As Updated A
Page 45 and 46: The summary mask isturned on; sampl
Page 47 and 48: Processor InstructionsCHAPTER CONTE
Page 49 and 50: InstructionMnemonic'OperationcodeLo
Page 51 and 52: ' rrrI !Mil,. '11111E1 luluINSTRUCT
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"" ',Pli iI 1114111111111111 111111
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Load Immediate (PLI)0 5 8 15Op code
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Store Accumulator (PST)0 5 8 15Op c
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vow wow. •1•01111111111111111
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NMI INNI 1111=111111 IM11111■1111
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11111 !III VIII I 1101 1,411111111,
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I i 1111111'1Np■I0111m PIP ,ili11
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Example:Word in accumulator 0110 11
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Exclusive ORing occurs only between
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Shift Left Circular (PSLC)0 5 8 11
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Shift Right Arithmetic (PSRA)0 5 8
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Example:PB instruction(R = 110 spec
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Branch and Link Long (PBALL)0 5 8 1
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Branch Conditional (PBC►0 5 8 9 1
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Branch and Unmask Long (BUL) (5010
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Skip Conditional (PSKC)0 5 8 9 15Op
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Example:0 5 8 15PAS instruction(loc
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Load from Register (PLR)0 5 8 15Op
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Load Processor Status (PLPS)0 5 8 1
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Write IAR Backup (WIB) (5010 Proces
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Store Indicators (STI) (5010 Proces
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Executing the OR-to-mask instructio
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the process position. If the system
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Read Protect Key (RPK)0 5 8 11 16 2
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Module address field:Module address
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11111E111111111 M11111111•11111 1
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1111111111111111111111■11•11111
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Page of GA34-0003-6, -7As Updated A
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Sixteen bits of additional module i
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1 REG 1---LEVEL0 10 0 2 1 20 0 0 03
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CTL CHK (Control Check) LightThis l
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1111■111111,11,11N I IIIADDRESS L
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CHECK CONTROL SwitchThis three-posi
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START KeyPressing the start key cau
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The processor module contains two 1
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6-4 GA34-0003II I 1 1 III 111 1111
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.11.1111111.111 MP I 111.10114P III
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1111 Minn. 11111111R !VW IMF" !PFLI
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The ACCA must be selected in order
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111.1111 111111 N uData and control
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I II III• 1111111111111111 1•11
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Significant Bits Meaning7* Data set
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I■ 0=11 1111111 MEM11 1111111111
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". — •• 11•111•MI !IF lim
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V IIF 1,1 NM IICONTROL CHARACTERS A
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Character SynchronizationCharacter
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Bit 1-Reserved.Bit 2-Transmit Opera
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1,114plilloi 1110 1111 1111.11 VI P
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1 1 - 1111=111111111 111M 1111 111
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The 5028 Operator Station (Figure 9
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Thickness Paper - .004 + .0003" (0,
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Character bit position 84 Tape move
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If the operator station motor is no
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Feed Tape and Print0 5 8 11 16 20 2
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Read 1SW0 5 8 11 16 20 26 31Op code
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The 5014 Analog Input Module Model
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Convert Analog Input with External
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Read ISW0 5 8 11 16 20 26 31Op code
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10-8 GA34-0003
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11111811111111.1.1.14.111.1111I II
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" 11, 141MINMIIIIF I WPM P IP !! 11
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Read and Convert ADC0 5 8 11 16 20
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Device Status Word (DSW): The 16 bi
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1411111111,1111111111n 111The 5014
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Convert Analog Input with External
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12-6 GA34-0003
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The 5012 Multifunction Module Model
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MODULE DEVICE ADDRESSESANALOG INPUT
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The range bits (RRR) in the control
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H1111111111111 1111.111111HIVRead A
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I/0 CommandsThe prepare I/O and hal
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Data stored in the register can hav
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If a particular amplifier gain was
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' 14 111•141111111111111011114111
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Read Digital Input Reference Regist
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Digital Input Groups Without Proces
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CIA ^iN1i Ma IIl AMINNNP u 11.!..11
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Write Analog Output Holding Registe
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1111111■11111111101=11111.1111111
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=111111111111111111 1 11 1 11111111
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DataThe data byte contains either d
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Read CommandsAll read commands are
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Write Null Acknowledge: This code (
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Area Station Local I/O Guidance Cha
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2791/2793 Adapter Critical timingIn
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BeginDSC* 05Write(AS enters data mo
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oww1111111111111111111111111,1,, V
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Bit 15 in the R register can be set
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The 5013 Digital I/O Module Model A
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The prepare I/O command is used as
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Read Digital Input RegisterO 5 8 11
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Set Digital Input Interrupt Control
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DIGITAL OUTPUT CONTROLThe Digital O
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The 2792 Remote Communications Cont
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Data TransmissionInformation is tra
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The functions of the five bytes in
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Code nameHexBit patternResponse Com
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Read End Acknowledge: This code (he
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Begin Diagnostic: This code (hexade
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Command SequencesThe 2790 Control m
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An area station requiring service l
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Set Diagnostic Mode0 5 8 11 16 20 2
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14-32 GA34-0003
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FUNCTIONAL DESCRIPTIONThe IBM 5022
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FILE ORGANIZATIONEach surface of ea
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Sector Identifier FormatEach identi
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If fewer than 128 words are to be t
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When the IPL operation starts, the
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Recalibrate Operation: A recalibrat
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1111 11 I 111111111111WRead Initial
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If an error is detected during a da
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None of the data read is transferre
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Error and Status ConditionsErrors d
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Significant Bits Meaning5* No recor
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Significant Bits Meaning3 Seek chec
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FLAGGINGThe condition of a track su
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Track Initialization ProceduresThe
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Bit 5—No Record FoundIt should be
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15-32 GA34-0003
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I III 1111111111111111111111111111
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Interruptions to System/7The progra
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Initiate Read0 16 21 24 31111111Add
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Device Status Word (DSW): The 16-bi
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16-10 GA34-0003
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The IBM 5024 I/O Attachment Enclosu
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III 1111•1111111111•1111111 III
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11111 1 11•1111111111111111111111
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Reset 5024The reset 5024 resets the
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2502 Card Reader Translate TableA 2
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I/O Transfer BlockThe address of th
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Status Word 1.0 152502 status buffe
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Status Word 2.0 15Status word 1% St
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1 1 111111111111111111111111111•1
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IMP P 1111,1111.11,11311111 I MP 11
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11 11 1111111111 1 1111111111111111
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algaaaagIrlug",',/"'", BeltPosition
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• Disable Attention Interrupt 110
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Status Word 1.0 15aStatus word 1•
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Status Word 2.15Status word 1N+1Res
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Interrupt PresentationThe printer a
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17-30 GA34-0003
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Add immediateMnemonicExecutiontime
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Alter storage key (provided only wi
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BranchMnemonicExecutiont i me (ns)O
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Branch conditionalMnemonicExecution
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Exclusive OR registertMnemonicExecu
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Level exitMnemonicExecutiontime (ns
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Load immediateMnemonicExecutiontime
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OR registerMnemonicExecutiontime (n
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Read protect key (provided only wit
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1111■11111■111111111 1 11111111
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StopMnemonicExecutiontime Ins)Op co
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SubtractMnemonicExecutiontime (ns)O
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A-26 GA34-0003
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PIO instruction Function ModifierDe
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1111111■111111PIO instruction Fun
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Valid responses to 2790 read comman
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Interrupt status wordsDevice0 1 2 3
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Device status word (2502, 5024 with
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11.1 11111 11110•11111111111.1111
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5028ConsoleShift/ 5028BSCAACCAContr
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5028ConsoleShift/ 5028BSCAACCAContr
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triNtitTIBitRanges and bit values (
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.••■• III II III 11111.•
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E-6 GA34-0003
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Verifydata beforewrite analogoutput
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Prepare I/OSet referenceregisterYes
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F-6 GA34-0003IIII•1111■•■
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G-2 GA34-0003
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analog signal resolution (continued
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cycle steal feature data flow 2-3cy
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forced interruption control, digita
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initial program load (IPL) to Syste
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111111•1111111111■ IllO (OR) in
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ead, 5022 Disk Storage Module (cont
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11111111111111111■1 1111111 11111
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X-16 GA34-0003
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GA34-0003-7Your comments, please ..
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I 111111111111111.1 I MEM II 1 1111
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