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

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Interruptions to System/7The program in the 1130 can request an interruption to the System/7 processor module.The interrupt priority level, sublevel, and device address are fixed for the 1130 hostattachment; therefore, no prepare I/O command is required. As directed by a bit in aninitiate read or initiate write IOCC, the request to the System/7 processor is made onpriority level 3 with a sublevel of 0. The interruption request presented to the System/7by the 1130 is handled the same as any other priority interruption request as described inChapter 3 under "Priority Interruptions." When the processor services the request, the1130 host attachment presents a device address of 011100.INSTRUCTIONS AND COMMANDS FOR 1130 SYSTEMStandard 1130 I/O instructions and control commands are used to program the hostattachment from the 1130. An 1130 execute I/O (XIO) instruction is issued to address theappropriate IOCC. The IOCC specifies the operation to be performed and the device towhich the operation is directed. For data transfer operations, the IOCC also specifies theword count or address of the data to be transferred. For a general description of the X10instruction and IOCC's, refer to the manual /BM 1130 Functional Characteristics, OrderNo. GA26-5881.I/O Control Commands (IOCC)An IOCC must start at an even storage address in the 1131 processor and has the followingformat:0 16 21 24 31Word count/address Device 'Fun Modifier0 1 1 0 0 X X X 0 0 0 0IXX XXMilli' t I I I I 1 I I I I I I I I IX X X X 6 1-7 0 XThe IOCC fields are described as follows:Word Count/Address: This field is used to pass the three values required by the 1130 hostattachment in order to perform a data transmission: (1) a transmission word count, (2) aSystem/7 storage address, and (3) an 1130 storage address. The count specifies the numberof data words to be transferred. The addresses establish the beginning of the data tablesbetween which the data transfer is to occur. The count and one of the addresses aretransferred to System/7 storage by two separate control IOCC's. The third value, anaddress, is transferred by the 1130 initiate read or initiate write IOCC.Device: This 5-bit field identifies the I/O device to which the IOCC is directed. In thiscase, a binary 01100 is the code identifying the System/7.Function (Fun): The 3-bit function code determines the specific I/O operation to beperformed.Modifier: This 8-bit field provides additional information, when necessary, for thefunction specified.16-4 GA34-0003
Control0 16 21 24 31Word count/address Device Fun Modifier1111 1 11111 1 1110 1 1 0 0 1 0 0 00001XXXX1 1 1111111••■••■••■••• s-0"..0■*X X X X 6 4 0 XAn X10 instruction with a control IOCC loads the 1130 host attachment in the System/7with one of two parameters necessary before starting a data transfer operation betweenthe System/7 and the 1130. The two parameters are:1. The System/7 storage address at which the data transfer is to begin.2. The count of the number of 16-bit data words to be transferred.The 1130 storage address involved in the data transfer is indicated subsequently ineither the 1130 initiate read or initiate write IOCC.Since only one of the two parameters can appear in a single control IOCC, two controlIOCC's are required (and, hence, two XIO instructions) prior to performing the actual datatransfer.Modifier bits 30 and 31 signal which, if either, of the two parameters is containedin the control IOCC as follows:Bit 30 = 0 — Neither parameter being transferred (ignore bit 31)Bit 30 = 1 — Perform function specified by bit 31Bit 31 = 0 — Word count being transferred to attachmentBit 31 = 1 — System/7 storage address being transferred to attachmentModifier bits 28 and 29 of the control IOCC determine the basic interruption controls tobe established in the attachment. To establish the basic control status, modifier field bits28 and 29 are set as follows:Bit 28 = 0 — Ignore bit 29Bit 28 = 1 — Perform function specified by bit 29Bit 29 = 0 — Permit attention and power/thermal interruptionsBit 29 = 1 — Prevent attention and power/thermal interruptionsModifier field bit 30 serves a dual purpose in a control IOCC. This bit also establishesa temporary interruption control status as follows:Bit 30 = 0 — No effect; return to basic control statusBit 30 = 1 — Prevent attention and power/thermal interruptionsThe temporary control status is temporary only in the sense that an initiate read command,an initiate write command, or another control command, immediately following such acontrol IOCC, can return the interruption control status to the basic control status.1130 Host Attachment 16-5
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GA34-0003-7File No. S7-00IBM System
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ContentsPrefaceChapter 1. Introduct
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Flagging 15-26Track Initialization
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PrefaceThis reference manual is a s
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IntroductionCHAPTER CONTENTSSystem/
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Figure 1-1. IBM 5028 Operator Stati
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• One or two analog output points
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Power Failure and Thermal WarningPo
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IBM 5010 Processor ModuleCHAPTER CO
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StorageProcessorAACycleSteal/ Featu
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The processor does not recognize in
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DATA FORMATSInput/output data can b
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The absolute form can be obtained i
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Accumulators (ACC 0 to ACC 3)Page o
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Overflow IndicatorThe overflow indi
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System/7 InterruptionsCHAPTER CONTE
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Level 1interruptionprocessing'.ros
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Interruption Mask Register and Summ
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Page of GA34-0003-6,-7As Updated Au
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The accumulator associated with the
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Page of GA34-0003-6, -7As Updated A
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The summary mask isturned on; sampl
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Processor InstructionsCHAPTER CONTE
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InstructionMnemonic'OperationcodeLo
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' 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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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
Page 250 and 251: Code nameHexBit patternResponse Com
Page 252 and 253: Read End Acknowledge: This code (he
Page 254 and 255: Begin Diagnostic: This code (hexade
Page 256 and 257: Page of GA34-0003-6, -7As Updated A
Page 258 and 259: Command SequencesThe 2790 Control m
Page 260 and 261: An area station requiring service l
Page 262 and 263: Set Diagnostic Mode0 5 8 11 16 20 2
Page 264 and 265: 14-32 GA34-0003
Page 266 and 267: FUNCTIONAL DESCRIPTIONThe IBM 5022
Page 268 and 269: FILE ORGANIZATIONEach surface of ea
Page 270 and 271: Sector Identifier FormatEach identi
Page 272 and 273: If fewer than 128 words are to be t
Page 274 and 275: When the IPL operation starts, the
Page 276 and 277: Recalibrate Operation: A recalibrat
Page 278 and 279: 1111 11 I 111111111111WRead Initial
Page 280 and 281: If an error is detected during a da
Page 282 and 283: None of the data read is transferre
Page 284 and 285: Error and Status ConditionsErrors d
Page 286 and 287: Significant Bits Meaning5* No recor
Page 288 and 289: Significant Bits Meaning3 Seek chec
Page 290 and 291: FLAGGINGThe condition of a track su
Page 292 and 293: Track Initialization ProceduresThe
Page 294 and 295: Bit 5—No Record FoundIt should be
Page 296 and 297: 15-32 GA34-0003
Page 298 and 299: I III 1111111111111111111111111111
Page 302 and 303: Initiate Read0 16 21 24 31111111Add
Page 304 and 305: Device Status Word (DSW): The 16-bi
Page 306 and 307: 16-10 GA34-0003
Page 308 and 309: The IBM 5024 I/O Attachment Enclosu
Page 310 and 311: III 1111•1111111111•1111111 III
Page 312 and 313: 11111 1 11•1111111111111111111111
Page 314 and 315: Reset 5024The reset 5024 resets the
Page 316 and 317: 2502 Card Reader Translate TableA 2
Page 318 and 319: I/O Transfer BlockThe address of th
Page 320 and 321: Status Word 1.0 152502 status buffe
Page 322 and 323: Status Word 2.0 15Status word 1% St
Page 324 and 325: 1 1 111111111111111111111111111•1
Page 326 and 327: IMP P 1111,1111.11,11311111 I MP 11
Page 328 and 329: 11 11 1111111111 1 1111111111111111
Page 330 and 331: algaaaagIrlug",',/"'", BeltPosition
Page 332 and 333: • Disable Attention Interrupt 110
Page 334 and 335: Status Word 1.0 15aStatus word 1•
Page 336 and 337: Status Word 2.15Status word 1N+1Res
Page 338 and 339: Interrupt PresentationThe printer a
Page 340 and 341: 17-30 GA34-0003
Page 342 and 343: Add immediateMnemonicExecutiontime
Page 344 and 345: Alter storage key (provided only wi
Page 346 and 347: BranchMnemonicExecutiont i me (ns)O
Page 348 and 349: 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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