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0. It can occur only during a read operation. Theprogram should send a read end command witherror status (/80).DATA STORAGE PROTECT: This error occurs ifthe adapter attempts to store a byte of data in a storageprotected location. It can occur only during aread operation. The program should send a read endcommand with error status (/80).CHANNEL TIMED OUT: This error occurs if achannel does not complete a data transfer operationwithin the time allowed by the program. The programshould send an end command with error status (/80).254
Appendix A. 1800 Instruction SetSymbolMeaningAAccumulatorQAccumulator ExtensionAddr Contents of the address portion of a two-word instructionCSL Core storage locationDISP Contents of the displacement portion of a one-word instructionEAEffective addressEA+1 Next higher address from the effective addressIContents of the instruction registerVValueXR1 Contents of index register 1XR2 Contents of index register 2XR3 Contents of index register 3XHexadecimal value (can be 0-F)Used for hexadecimal values that have limits. See individualinstruction in "Instruction Set' for limits.HexadecimalValue08xx09xxOAxxOBxx0C00xxxx0C80xxxx0D00xxxxOD80xxxx0E00xxxx0E80xxxxOF00xxxxOF80xxxxExecute I/O (X10)Execute IOCC in CSL at EA (I+DISP) and EA+1Execute IOCC in CSL at EA (XR1+DISP) and EA+1Execute IOCC in CSL at EA (XR2+DISP) and EA+1Execute IOCC in CSL at EA (XR3+DISP) and EA+1Execute IOCC in CSL at EA (Addr) and EA+1Execute IOCC in CSL at EA (V in CSL at Addr) and EA+1Execute IOCC in CSL at EA (Addr+XR1) and EA+1Execute IOCC in CSL at EA (V in CSL at "Addr+XR 1") and EA+1Execute IOCC in CSL at EA (Addr+XR2) and EA+1Execute IOCC in CSL at EA (V in CSL at "Addr+XR2") and EA+1Execute IOCC in CSL at EA (Addr+XR3) and EA+1Execute IOCC in CSL at EA (V in CSL at "Addr+XR3") and EA+1Shift Left Logical A (SLA)10"x Shift contents of A left the number of shift counts in DISP1100 Shift contents of A left the number of shift counts in XR 11200 Shift contents of A left the number of shift Counts in XR21300 Shift contents of A left the number of shift counts in XR3Shift Left and Count A (SLCA)10"x Shift contents of A left the number of shift counts in DISP1140 Shift contents of A left the number of shift counts in XR 11240 Shift contents of A left the number of shift counts in XR21340 Shift contents of A left the number of shift counts in XR3Shift Left Logical A and Q (SLT)10"x Shift contents of A and Q left the number of shift counts in DISP1180 Shift contents of A and Q left the number of shift counts in XR1HexadecimalValue1280138010 * x11C012C013C018. x19001A001 B0018. x19801A80188018"x19C01ACO1 BCO200020012002200328xx29xx2Axx2Bxx2C00xxxx2C40xxxx2C41xxxxShift Left Logical A and Q (SLT) (con't)Shift contents of A and CI left the number of shift counts in XR2Shift contents of A and Q left the number of shift counts in XR3Shift Left and Count A and Q (SLC)Shift contents of A and Q left the number of shift counts in DISPShift contents of A and Q left the number of shift counts in XR1Shift contents of A and 0 left the number of shift counts in XR2Shift contents of A and Q left the number of shift counts in XR3Shift Right Logical A (SRA)Shift contents of A right the number of shift counts in DISPShift contents of A right the number of shift counts in XR1Shift contents of A right the number of shift counts in XR2Shift contents of A right the number of shift counts in XR3Shift Right A and Q (SRT)Shift contents of A and Q right the number of shift counts inDISPShift contents of A and Q right the number of shift counts inXR1Shift contents of A and 0 right the number of shift counts inXR2Shift contents of A and Q right the number of shift counts inXR3Rotate Right A and Q (RTE)Rotate contents of A and Q right the number of shift counts in DISPRotate contents of A and Q right the number of shift counts in XR1Rotate contents of A and Q right the number of shift counts in XR2Rotate contents of A and Q right the number of shift counts in XR3Load Status (LDS)Set carry and overflow indicators offSet overflow on and carry offSet overflow off and carry onSet carry and overflow indicators onStore Status (STS)Store status of indicators in CSL at EA (I+DISP)Store status of indicators in CSL at EA (X R1+DISP)Store status of indicators in CSL at EA (XR2+DISP)Store status of indicators in CSL at EA (XR3+DISP)Store status of indicators in CSL at EA (Addr)Clear storage protect bit in CSL at EA (Addr)Write storage protect bit in CSL at EA (Addr)117875.0AAppendix A. 1800 Instruction Set 255
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File No. 1800-01Order No. GA26-5918
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ContentsINTRODUCTION 1SYSTEM DESCRI
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Thermocouple Conversion ExampleConv
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Status Character 2412790 ADAPTER PR
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Processor - ControllerCoreStorageOu
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Page of GA26-5918-8Revised July 14,
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egister or the index register speci
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Short InstructionDDOne WordInstruct
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Instruction SetThe 1800 system inst
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LOAD ACCUMULATOR (LD)FORMATS oitamw
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STORE ACCUMULATOR (STO)FORMATSF 0 O
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LOAD INDEX (LDX)0 OP F T Disp 151 0
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STORE STATUS (STS) Store Status Fun
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LOAD STATUS (LDS)117165 A1DESCRIPTI
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SUBTRACT DOUBLE (SD).fartzaielTmEas
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DIVIDE (D)FORMATS0 OP F T DispF T I
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LOGICAL EXCLUSIVE OR (EOR)'FORMATS
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SHIFT LEFT A AND Q (SLT)altkae..,.:
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SHIFT RIGHT LOGICAL A (SRA)FORMAT s
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ROTATE RIGHT A AND Q (RTE)FORMAT ta
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BRANCH OR SKIP ON CONDITION (BSC OR
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a4.-4KA4rE4.7.9.4.&.4VA/M4:14/24...
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',V.71..1.41VV4-02,P2A,V4,1%1,L—N
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COMPARE (CMP)FORMATS0 OP F T Disp 1
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MachineCyclesAUGEND (A-reg) and ADD
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chain is accomplished as follows: T
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InterruptTo allow for coordination
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After a request for service has bee
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2. The forced BSI with indirect add
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Storage ProtectionStorage protectio
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Page of GA26-5918-8Revised January
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Processor-Controller ConsoleThe pro
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117674,Figure 23. Console Pushbutto
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DATA FLOW DISPLAYSSix rows of light
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This command causes the console int
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High -LevelHigh -Level Low-LevelLow
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CUSTOM ELEMENT: This element is ava
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The clock stop period does not dire
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Numberingwithin 18511851's withMult
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selected analog signal to a digital
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0 1 2 3 4 5 8 7 0 9 10 14 15Indicat
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Direct Program Control Operations P
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Temp TempF C1652° 9001472° 81292
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2. Determine the ADC reading (Q val
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Digital InputDigital input features
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ead operation without external sync
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AdapterFirstSecondThirdFourthFifthS
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the next input group address (conta
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status word (PISW), the PISW is rea
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ProcessorControllerOut Bus(16 - Bit
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DAC reference voltage used in devel
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126 is assigned to the second group
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The input/output control command (I
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1053/1816 Printer IOCC'sCE ModeSpec
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Keyboard entries are not printed au
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error is detected, the program may
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the keyboard into a storage-protect
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Channel••• ••••• 14
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READER ANY ERROR: This indicator tu
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Even-Numbered ColumnsOdd-Numbered C
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1442 DSW Interrupt IndicatorsFigure
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The preceding examples show that if
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CharHexCore Storage BitsTypebar2 5
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CE PRINTER BUSY: When the 1443 is i
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DrumDownDRUM FAST RUN: This switch
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1627 DSW Noninterrupt IndicatorsFig
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120255A1Each track is divided into
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This command places the disk storag
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ANY ERROR: This indicator turns on
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LogicalDataRecordIBGapLRCIBGap.._01
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A tape mark read from seven-track t
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Modifier bits perform the five func
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an XIO initialize read operation wi
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Communications AdapterINTRODUCTIONT
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character (bit positions 0 through
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Bit PositionsP, 7, 6, 54, 3, 2, 100
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Standard replies as well as NAK cau
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either seeking characters received
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CA IOCC'sInitialize Write0 15 0 4 8
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TIMEOUT: This indicator turns on, c
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0 I 2 3 4 5 6 7 8 9 10 11 i2 13 14
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ETB, ETX, AND ENQ: These characters
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.■••.0■-3toCOc.nroz0F21.0fa
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Selector ChannelThe selector channe
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CCW Word 1 CCW Word 2 CCW Word 315B
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limited to the number of sense byte
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Page 216 and 217: CSW Word 2 CSW Word 3CSW Word 40 3
Page 218 and 219: Termination of an operation with a
Page 220 and 221: Device end, when subsequently provi
Page 222 and 223: System /360 AdapterINTRODUCTIONThe
Page 224 and 225: specified by the channel command wo
Page 226 and 227: ATTENTION: This status indicates th
Page 228 and 229: Page of GA26-5918-8Revised July 14,
Page 230 and 231: HALT: This bit turns on, causing an
Page 234 and 235: Start Byte AS Address Byte Device A
Page 238 and 239: Read data request causes the adapte
Page 240 and 241: If a 1053 Printer is addressed by t
Page 242 and 243: specific 16-word block within the c
Page 244 and 245: LCCBWord1Address Word(Active Frame)
Page 246 and 247: channel active is interrogated. If
Page 248 and 249: Form GA26-5918-8Page Revised 10/1/7
Page 250 and 251: AREA STATION LOCAL I/O TRANSACTION
Page 254 and 255: 244Form GA26-5918-8Page Added 10/1/
Page 262 and 263: When all segments are bypassed modi
Page 268 and 269: HexadecimalValueDouble Compare (DCM
Page 270 and 271: Appendix B. I/O Device AddressingTh
Page 272 and 273: 1054 AND 1055 PAPER TAPEWRITE: Punc
Page 274 and 275: INITIALIZE WRITE: Move contents of
Page 276 and 277: INITIALIZE READ: Move tape data to
Page 278 and 279: AREA FEATURE 0 1 2 3 4 5 6 7 8 9•
Page 284 and 285: Clear (Continued)Storage (Continued
Page 286 and 287: Converting Thermocouple Characteris
Page 290 and 291: 4Input/Output Control (Continued)On
Page 292 and 293: Loop Channel (Continued)Control Blo
Page 294 and 295: Pulse OutputDescription of 125Timer
Page 296 and 297: Storage ProtectBit (S) 10Bit Light
Page 298 and 299: 1053 Printer (Continued)Maximum Rat
Page 300 and 301: 1810 Disk Storage (Continued)Read/W
Page 302: Form GA26-5918-8Page Revised 10/1/7
Page 305: IBM Technical Newsletter File Numbe
Page 308 and 309: ^;``
Page 311 and 312: • READER'S COMMENT FORM•▪ IBM
Page 313 and 314: • READER'S COMMENT FORM• IBM 18
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• READER'S COMMENT FORM• IBM 18
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