IBM 5280 Distributed Data System - Index of

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ByteMeaningend The last byte in the parameter stnng must always be a biank (hex 40;unless a 14-character owner I D is specified.Note: This parameter string can also be used to open a data set on a securediskette; the OPEN instruction does not use the bytes before the fifth byte.The information that is taken from the data set lOB is as follows:ParameterDATA set name (NAME)Logical record length (RECL)Block size (BSIZ)Delete Character (DFLG)ExplanationThe data set name is mandatory for allocatinga diskette data set. It is optional for a printer.If this option .DATASET parameter isomitted, the length is set to equal to blocksize.Except for blocked and spanned data sets, theblock size must equal, or be a multiple of, thelogical record length. For blocked and spanneddata sets, BSIZ is an optional parameter; ifspecified it must equal sector size, and ifomitted the 5280 sets it to sector size.Delete flag; the character that is placed in theHD R 1 label during the allocate, and which willbe used to indicate a deleted record. Optionalfor I and E exchange; ignored for basic and Hexchange. Valid characters can be A-Z, 0-9, orone of the following symbols: . , - I % #@ : $ &.During the allocation operation, the data set organization byte of the HDR 1 label isset to blank (hex 40) for basic and H exchange data sets. It is set to D for I and Eexchange data sets. It is invalid to allocate a data set with the ALLOC instructionwhen the data set type is label update.Upon completion of the ALLOC operation, the allocated data set is also opened.The op code in the data set lOB is replaced with hex 00. Upon completion of theALLOC, or if an external status for insufficient physical buffer size (3430) or fortwo physical buffers specified with unequal sizes (3435) occurs, or if any group 7warning message is presented, the minimum number of 128-byte blocks requiredfor sufficient buffer size is placed into hex 78 of the data set lOB. If any otherexternal status occurs, this number is not placed into the lOB.The HD R 1 label is placed into the first 128 bytes of the physical buffer except forpointer 110 and SCS data sets that have the SW or ERS parameters specified in the.DATASET control statement.190
Delete a Record from a Data Set (WRTS)Source:WRTS (dsn, [fmt], 0, [~J, B)__ I IObject:DIID Bits:89Not used, always zero.0= Overlap mode (0 specified).1 = Nonoverlap mode (N specified).10 Not used, always zero.11 0 = I/O buffer is not blanked.1 = I/O buffer is blanked at the start of the operation (B is specified)if a format is specified.fJ Data set number: The number (hex 1-F) of the data set to be accessed.II Format number: The number (hex 01-FE) of the format to use. If noformat was specified, this is hex FF.II Record to access: AI'!Vays the current record (hex 08).When this instruction is executed, the record indicated by the current recordcounter is written as for the write instruction (op code 30). In addition, the recordis flagged as deleted. For a basic or H exchange data set, a special ac;Jdress mark isused to flag a deleted record. For an I or E exchange data set, the delete characterin the data set lOB is used to flag a deleted record.Object Code Instruction Format 191
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------------_.-- - - GA21-9353-0S52
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ContentsCHAPTER 1.5280 FUNCTIONS AN
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Binary Double Register Add Immediat
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Chapter 1. 5280 Functions and Stora
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MAIN STORAGEMain storage is divided
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COMMON AREAThe following is a gener
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Device lOB PointersEach device lOB
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Resource Allocation TableThe option
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The first 256 bytes of this area, i
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When a program executing in a backg
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User Defined Error RecoveryWhen a p
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3. Determines the proper attention
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If the compare of options does not
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Magnetic Stripe ReaderThe optional
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COMMUN ICATIONS CONTROLThe communic
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The main microprocessor checks the
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Chapter 2. Main Storage Data AreasT
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Hex Length inDisplace- Bytes {inmen
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Hex Length inDisplace- Bytes (inmen
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COMMON FUNCTIONS AND GLOBAL TABLEST
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Error Recording TablesA system hard
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Error Code Format,.xxx xe Device Id
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e For error codes 1200 and 1201, by
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• Storage overrun: The diskette M
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• Outstanding Status from Printer
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The format of the partition header
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PARTITION AREAThe partition area co
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HexDisplacementLength inBytes (inHe
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Diskette and Printer FormatByteoMea
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70 Positions Remaining in Current R
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HexDisplacement39Length inBytes (in
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HexDisplacement3C3DLength inBytes (
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System Indicaton Within a Partition
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Diskette lOBFollowing is a general
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HexDisplacementLength inBytes (inDe
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HexDisplacementlength inBytes (inHe
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58 System Use Only I Number of Byte
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HexDisplacement63Length inBytes (in
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An object code table instruction co
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The following illustration shows ho
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The following illustration shows ho
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Control Byte GroupContiol (such as
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010 Start of Control String: Contro
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101 Execute Secondary Format: The e
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Field Attributes and Storage Duplic
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Constant Insert Data and PromptsCon
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-------Byte Groups: Repeated for ea
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Edit FlagsThe edit flags specify th
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Second Optional Edit Control ByteTh
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Hex Code05MeaningInsert comma chara
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120This page intentionally left bla
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Ell---------r---00 20 40 60 80 AD C
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The validity table contains 1-byte
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DIACRITIC TABLETho "''''' "" rli",,
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The second and third byte contain t
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SCAN CODE TRANSLATE TABLETI-t._ ,..
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Addressing a Byte Within the Partit
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Addressing a Binary RegisterEach bi
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.4rlrlr,.ccinn thrnllnh ::. ~vct,."
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INSTRUCTION FORMATMnemonic to Op Co
Page 146 and 147: OpOpMnemonic Code Mnemonic CodeTROF
Page 148 and 149: Test Format Number (I F fmt)Source:
Page 150 and 151: Test and Reset Indicator (lFIR In)S
Page 152 and 153: Decrement Binary Register and Test
Page 154 and 155: Subroutine CaU (CALL/CALL TB)CALL B
Page 156 and 157: Subroutine Return or Enable Externa
Page 158 and 159: Test Decimal Register for Absolute
Page 160 and 161: Test Decimal Register for Signed Nu
Page 162 and 163: Deci",@1 Register Subtract (-)Soure
Page 164 and 165: Decimal Register Copy (=)Source: Ra
Page 166 and 167: Decimal Register Diyide U}Source: R
Page 168 and 169: Decimal Registers, Move Partial Con
Page 170 and 171: Decimal Register lone Modification
Page 172 and 173: Decimal Register Shift Left Signed
Page 174 and 175: Decimal Registei Shift Right and Ro
Page 176 and 177: Formatted Read to Storage (REBF)Sou
Page 178 and 179: Close a Data Set or Terminate Commu
Page 180 and 181: Search a Data Set (SEARCH)Source:SE
Page 182 and 183: ByteContents3-4 Fie!d position in w
Page 184 and 185: Position Diskette (POSN)[BOE] CURRS
Page 186 and 187: Search Resource Allocation Table (S
Page 188 and 189: Load a Partition (LOAD)Source:LOADO
Page 190 and 191: Exit a Partition (EXIT)Source:IIEXI
Page 192 and 193: Insert a Record into a Data Set (WR
Page 194 and 195: Source: INIT (dsn ,BRn)Object:8DIII
Page 198 and 199: Wait for 110 Completion (WAIT/lWAIT
Page 200 and 201: Formatted Write from Registers (WRB
Page 202 and 203: Diagnostic operations are used for
Page 204 and 205: Formatted Write to the Screen (WFMC
Page 206 and 207: The TeTL instructioll perforrns the
Page 208 and 209: Skip on AND, Exclusive-OR Mask (AND
Page 210 and 211: Exchange Binary Register Contents
Page 212 and 213: Convert Binary to EBCDIC (BINHEX)So
Page 214 and 215: Skip If Not Equal (I FC NOT)Source:
Page 216 and 217: Search Ordered Table for Higher or
Page 218 and 219: Read Table Entry (T8RO/TBRL)Source:
Page 220 and 221: Search Reverse Ordered Table for Lo
Page 222 and 223: Insert Table Entry (TBIN)Source: TB
Page 224 and 225: Compare Decimal for Not Equal (I F
Page 226 and 227: ea.n,.are Det:imal for Equal (I F R
Page 228 and 229: Compare Decima' Digit5 for Not Equa
Page 230 and 231: Compare Decimal Digits for Equal (I
Page 232 and 233: Compare Binary Ha!f-Register for No
Page 234 and 235: C.ompare Binary Half-Register for E
Page 236 and 237: Compare Binary for Not Equal OF BRn
Page 238 and 239: Compare Binary for Equal (I F BRn E
Page 240 and 241: Load Decimal Register from Base-Dis
Page 242 and 243: Store Decimal Register into Labeled
Page 244 and 245: Binary Subtract Immediate Data (BRn
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Binary Double Register Subtract Imm
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Binary AND with Immediate Data (BRn
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Binary Exclusive OR with Immediate
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Store Binary Register Contents (lab
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Move Characters (MVC(BRn) I MVC(BRn
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Convert Binary to Decima! (Rn = BRn
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Translate and Test (TRT)Source:Obje
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Binary Divide. Single or Double Reg
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Compare Character Strings (CLC)iSou
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Set Bits On 'v· .. ith Mask (SETON
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Set Bits Off with Mask (SETOFF)Sour
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Skip if Bits are OFF (lFB OFF)Sourc
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Skip If Bits are On (I FB ON)Source
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Insert Constant Into a Base Displac
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Skip if Byte Equals Constant (I FB
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Duplicate a Character at Base Displ
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Replace Field on Screen (REPFLD)Sou
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Read Elapsed Time CounterSource: RT
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Change Row Attribute (KEYOP)Source:
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Accept Keystrokes and Store (KACCPT
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Pass EBCDIC to Keyboard (KEYOP)Sour
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Request Keyboard Error Mode (KERRST
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Sound Buzzer (BUZZ)Source:BuzzII I
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Click Keyboard (CLICK)Source:CLICKO
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The magnetic stripe data consists o
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This operation should be issued onl
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Keyboard/Disp!ay Externa! Register
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Load KeyboardlDisplay Control Area
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Move Characters to Screen (CRTMM)o
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Resume Data Entry (RESUME/RESMXT/RE
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Enter (ENTR)Source:Object:D Op code
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How to Start the Display IAlter Fun
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The following chart shows the optio
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Display Main StorageThe display mai
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Move Keyboard/Display StorageThis f
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DUMP AND TRACE CONSOLE FUNCTIONSWit
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Trace FunctionThe trace function tr
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Main Storage Disp!ayYou can request
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Byte Bit Meaning if 13 Autu-dup/ski
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In verify mode, for all fields exce
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No character set checking is perfor
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!f the I+- (Field Backspace) key is
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• Di~its Only Ri~ht-Adjust or Num
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• Numeric Field: For a numeric fi
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Katakana Uppershiftkey (SYM SH I FT
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Skip FunctionThe skip function is i
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EBCDIC CHARTS FOR PRINTABLE CHARACT
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• BellFunction: This control char
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The following table shows the chara
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Notes:1. The following table shows
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BitEBCDIC Number Key DescriptionX'O
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•Functions from 2D-3F are handled
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The 69-Key Data Entry Keyboard and
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DecimalPosition73747576DescriptionE
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D!SKETTE HEADER LABEL (HDR1)Diskett
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Decima!Position45DescriptionMultivo
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auto dup: Automatic duplication. (1
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data table: A table defined by the
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input record: A data record that is
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program listing: A computer printou
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verify mode: The mode in which the
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lock lengthdiskette JOB 82printer l
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EBCDIC charts for printable charact
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load parameters 182lock shared tabl
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shift instructionsbinary register 2
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380
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GA21-9353-0Fold and tapePlease do n
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