IBM 5280 Distributed Data System - Index of

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PrefaceThis reference manual is intended for people who need thefollowing information about the 5280:• An overview of system programming and system function• A description of system and partition data areas• A description of machine addressing and object codeinstructions• How to use system diagnostic aidsIn the appendixes are hexadecimal conversion and additiontables, EBCDIC and ASCII charts, and SCS control codes.Related Publications• IBM 5280 Data Areas and Diagnostic Aids Handbook,SY31-0595• IBM 5280 Assembler Language Reference Manual,SC21-7790• IBM 5280 Communications Utilities Reference Manual,SC34-0247First Edition (February 1980)Changes are periodically made to the information herein; these changes will be reported intechnical newsletters or in new editions of this publication.Use this publication only for the purposes stated in the Preface.It is possible that this publication may contain reference to, or information about, IBM products(machines and programs), programming, or services that are not announced in your country.Such references or information must not be construed to mean that IBM intends to announcesuch IBM products, programming, or services in your country.Publications are not stocked at the address below. Requests for copies of IBM publications andfor technical information about the system should be made to your IBM representative or to thebranch office serving your locality.This publication could contain technical inaccuracies or typographical errors. Use the Reader'sComment Form at the back of this publ ication to make comments about this publ ication. If theform has been removed, address your comments to I BM Corporation, Product InformationDevelopment, Department 997, 11400 Burnet Road, Austin, Texas 78758. IBM may use anddistribute any of the information you supply in any way it believes appropriate without incurringany obligations whatever. You may, of course, continue to use the information you supply.©Copyright International Business Machines Corporation 1980
ContentsCHAPTER 1.5280 FUNCTIONS AND STORAGEOVERVIEWSystem Controller . . . . . . 1Main Storage . . . . . . . . . 3Main Storage Addressing 4Common Area ........ 5System Control Block . . 6Common Functions and Help Text 8Configuration Table . . . . 8Error Recording Tables . . 8Resource Allocation Table 9ASCII Translate Table 9Partitions . . . . . . . 9Partition lOB . . . . . . 10Logical I/O Table 10Keyboard/Display lOB 10Registers and Indicators. 10Partition Work Buffer . . 12System Work Buffer . . . 12Foreground and Background Partitions 12I nput and Output Buffers. 13External Status Processing 13Loading a Partition 14Partial Over lay 14Error Recovery. 14Subroutines . . . . . 15.Address Validity Checking 16Opening a Data Set 16Share Data Set Opens . 18Keyboard/D isplay I/O Cont rol 19Keyboard/Display Storage . 20Screen Format Control Strings . 20Functions and Modes . . 20Magnetic Stripe Reader . . . . . 21Elapsed Time Counter . . . . . . 21Errors Detected by the Keyboard/Display Microprocessor . 21Diskette I/O Control .......... . 21Error Recovery and External Status . 22Printer Control . . . . . . . . . . . . . . . 22Error Recovery and External Status . 22Communications Control . . . . . . . . . 23Error Recovery and External Status . 24Typical Operation . . . . . . . . . . . . . 24CHAPTER 2. MAIN STORAGE DATA AREAS. . 27System Control Block . . . . . . . . . . . 28Common Functions and Global Tables . 35Global Configuration Table . 36Error Recording Tables . . 37Hard Error Table Format . . 38Soft Error Table Format . . 46Resource Allocation Table . 46ASCII Translate Table . . . .48Partition AreaPartition lOB ...Logical I/O TableKeyboard/Display lOBSystem Indicators within a PartitionSystem Registers with in a PartitionDiskette lOBPrinter lOB .......... .System Tables .......... .System Table for Data TablesSystem Tables for Edit Format Control StringsSystem Tables for Screen Format Control StringsSystem Tables for Prompts and Constant InsertsSystem Tables for Main Storage Duplicate AreasScreen Format Control StringsByte Group I D .... .Control Byte Group ... .Data Field Byte Groups ..Constant Insert Data and PromptsDisplay Attributes ....Edit Format Control StringsHeader BytesByte Groups ...... .CHAPTER 3. KEYBOARD/DISPLAY STORAGERefresh Buffer AreaValidity Table ........ .Storage Area .. . . . . . . . .Monocase Exception TableDiacritic Table ........ .Refresh Areas for the Status LineDisplay Control Area ..Display Translate Table ..Katakana Translate Table .Scan Code Translate TableCHAPTER 4. OBJECT CODE INSTRUCTION FORMATAddressing Methods Within a Partition ..Addressing a Byte Within a PartitionAddressing an Object Code InstructionInstruction Displacement ...Addressing a Decimal RegisterAddressing a Binary Register .Indicator AddressingAddressing Through a System TableAddressing Methods Outside the PartitionAddressing Through a System Table .Constants .................. .Instruction Format ............ .Mnemonic to Op Code Conversion ChartUnconditional Branch (GOTO/NOP)Test Decimal Register for 0 (Zero) or Blank (IF Rn 0)Test Format Number (IF fmt) ............. ..49.50.56.57. 75.77.78.87.94.95.96.97.98.99100101102107110111111112113121123123124125126127127129129130131131132132132133134135136136137137138138140141142iii
Page 1: ------------_.-- - - GA21-9353-0S52
Page 5 and 6: Binary Double Register Add Immediat
Page 7 and 8: Chapter 1. 5280 Functions and Stora
Page 9 and 10: MAIN STORAGEMain storage is divided
Page 11 and 12: COMMON AREAThe following is a gener
Page 13 and 14: Device lOB PointersEach device lOB
Page 15 and 16: Resource Allocation TableThe option
Page 17 and 18: The first 256 bytes of this area, i
Page 19 and 20: When a program executing in a backg
Page 21 and 22: User Defined Error RecoveryWhen a p
Page 23 and 24: 3. Determines the proper attention
Page 25 and 26: If the compare of options does not
Page 27 and 28: Magnetic Stripe ReaderThe optional
Page 29 and 30: COMMUN ICATIONS CONTROLThe communic
Page 31 and 32: The main microprocessor checks the
Page 33 and 34: Chapter 2. Main Storage Data AreasT
Page 35 and 36: Hex Length inDisplace- Bytes {inmen
Page 37 and 38: Hex Length inDisplace- Bytes (inmen
Page 39 and 40: Hex Length inDisplace- Bytes (inmen
Page 41 and 42: COMMON FUNCTIONS AND GLOBAL TABLEST
Page 43 and 44: Error Recording TablesA system hard
Page 45 and 46: Error Code Format,.xxx xe Device Id
Page 47 and 48: e For error codes 1200 and 1201, by
Page 49 and 50: • Storage overrun: The diskette M
Page 51 and 52: • Outstanding Status from Printer
Page 53 and 54:
The format of the partition header
Page 55 and 56:
PARTITION AREAThe partition area co
Page 57 and 58:
Hex Length inDisplace- Bytes (inmen
Page 59 and 60:
HexDisplacementLength inBytes (inHe
Page 61 and 62:
Page 63 and 64:
Diskette and Printer FormatByteoMea
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70 Positions Remaining in Current R
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Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
HexDisplacement39Length inBytes (in
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HexDisplacement3C3DLength inBytes (
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
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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Page 92 and 93:
Page 94 and 95:
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
Page 104 and 105:
The following illustration shows ho
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The following illustration shows ho
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Control Byte GroupContiol (such as
Page 110 and 111:
010 Start of Control String: Contro
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101 Execute Secondary Format: The e
Page 114 and 115:
Field Attributes and Storage Duplic
Page 116 and 117:
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
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OpOpMnemonic Code Mnemonic CodeTROF
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Test Format Number (I F fmt)Source:
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Test and Reset Indicator (lFIR In)S
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Decrement Binary Register and Test
Page 154 and 155:
Subroutine CaU (CALL/CALL TB)CALL B
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Subroutine Return or Enable Externa
Page 158 and 159:
Test Decimal Register for Absolute
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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
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Close a Data Set or Terminate Commu
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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
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Insert a Record into a Data Set (WR
Page 194 and 195:
Source: INIT (dsn ,BRn)Object:8DIII
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ByteMeaningend The last byte in the
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
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Read Table Entry (T8RO/TBRL)Source:
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Search Reverse Ordered Table for Lo
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Insert Table Entry (TBIN)Source: TB
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Compare Decimal for Not Equal (I F
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ea.n,.are Det:imal for Equal (I F R
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Compare Decima' Digit5 for Not Equa
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Compare Decimal Digits for Equal (I
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Compare Binary Ha!f-Register for No
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C.ompare Binary Half-Register for E
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Compare Binary for Not Equal OF BRn
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Compare Binary for Equal (I F BRn E
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Load Decimal Register from Base-Dis
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Store Decimal Register into Labeled
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Binary Subtract Immediate Data (BRn
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Binary Double Register Subtract Imm
Page 248 and 249:
Binary AND with Immediate Data (BRn
Page 250 and 251:
Binary Exclusive OR with Immediate
Page 252 and 253:
Store Binary Register Contents (lab
Page 254 and 255:
Move Characters (MVC(BRn) I MVC(BRn
Page 256 and 257:
Convert Binary to Decima! (Rn = BRn
Page 258 and 259:
Translate and Test (TRT)Source:Obje
Page 260 and 261:
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
Page 272 and 273:
Insert Constant Into a Base Displac
Page 274 and 275:
Skip if Byte Equals Constant (I FB
Page 276 and 277:
Duplicate a Character at Base Displ
Page 278 and 279:
Replace Field on Screen (REPFLD)Sou
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Read Elapsed Time CounterSource: RT
Page 282 and 283:
Change Row Attribute (KEYOP)Source:
Page 284 and 285:
Accept Keystrokes and Store (KACCPT
Page 286 and 287:
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
Page 294 and 295:
The magnetic stripe data consists o
Page 296 and 297:
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
Page 324 and 325:
Page 326 and 327:
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
Page 388:
GA21-9353-0Fold and tapePlease do n
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