HLASM: V1R6 Language Ref

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ORG instructionThat is, the ORG instruction can cause the location counter to be set to any part ofa control section, even the middle of an instruction, into which you can assembledata. It can also cause the location counter to be set to the next available locationso that your program can be assembled sequentially.Source Module │ Object Code─────────────────────────────────────────────────────┼────────────────────────│FIRST START 0 │. │. │▌1▐ TABLE DC XL256’0’ │ TABLE (in Hex)▌2▐ ORG TABLE+0 │ +0 ┌────┐┌ DC C’0’ ▌3▐ │ │ F0 ││ DC C’1’ │ │ F1 ││ . │ │ . ││ . │ │ . ││ ORG TABLE+13 │ +13 │ . ││ DC C’D’ │ │ C4 ││ DC C’E’ │ │ C5 ││ . │ │ . ││ . │ │ . │▌4▐ ─┤ ORG TABLE+C’D’ │ │ . ││ DC AL1(13) │ +196 │ 13 ││ DC AL1(14) │ │ 14 ││ . │ │ . ││ . │ │ . ││ ORG TABLE+C’0’ │ +240 │ . ││ DC AL1(0) │ │ 00 ││ DC AL1(1) │ │ 01 ││ . │ │ │└ . │ +255 └────┘ORG│▌5▐ GOON DS 0H │ . │TABLE+256 . │TR INPUT,TABLE │. │. │INPUT DS CL20 │. │. │END│Figure 22. Building a translate table202 HLASM: V1R6 Language Ref
POP instructionPOP instructionThe POP instruction restores the PRINT, USING or ACONTROL status saved bythe most recent PUSH instruction.►►sequence_symbolPOP ▼ ,PRINTUSINGACONTROL(1),NOPRINT►◄Notes:1 Each keyword from this group may be selected only once.sequence_symbolis a sequence symbol.PRINTinstructs the assembler to restore the PRINT status to the status saved by themost recent PUSH instruction.USINGinstructs the assembler to restore the USING status to the status saved by themost recent PUSH instruction.ACONTROLinstructs the assembler to restore the ACONTROL status to the status saved bythe most recent PUSH instruction.NOPRINTinstructs the assembler to suppress the printing of the POP statement in whichit is specified.The POP instruction causes the status of the current PRINT, USING orACONTROL instruction to be overridden by the PRINT, USING or ACONTROLstatus saved by the last PUSH instruction. For example:PRINT GEN Printed macro generated codeDCMAC X,27 Call macro to generate DC+ DC X’27’ ... Generated statementPUSH PRINT Save PRINT statusPRINT NOGEN Suppress macro generated codeDCMAC X,33 Call macro to generate DCPOP PRINT Restore PRINT statusDCMAC X,42 Call macro to generate DC+ DC X’42’ ... Generated statementChapter 5. Assembler instruction statements 203
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High Level Assembler for z/OS & z/V
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Note!Before using this information
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|Open code . . . . . . . . . . . .
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Programming interface informationOr
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IBM High Level Assembler for z/OS &
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Syntax notationFormat▌A▐ ▌B
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Double-byte character set notationx
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Summary of changesxvi HLASM: V1R6 L
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Chapter 1. IntroductionA computer c
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Assembler languagev Macro instructi
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Assembler programProcessingConditio
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Coding made easierCoding made easie
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Chapter 2. Coding and structureThis
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Character setTable 4. Examples usin
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Assembler language coding conventio
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Assembler language structureThe mac
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Assembler language structureMachine
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Assembler language structureConditi
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Mnemonic tags|||||||||For example,
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Terms, literals, and expressions- T
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Terms, literals, and expressionsAss
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Terms, literals, and expressionsUsi
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Terms, literals, and expressions|||
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Terms, literals, and expressionsz/V
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Terms, literals, and expressionsTab
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Terms, literals, and expressions1.
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Terms, literals, and expressions1.
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Terms, literals, and expressions┌
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Terms, literals, and expressionsA-Y
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Chapter 3. Program structures and a
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SourcemoduleA source module is comp
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Beginning of a source modulev The S
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Beginning of a source moduleReferen
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Beginning of a source moduleNote: T
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Beginning of a source moduleClass l
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Beginning of a source modulez/VM an
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AddressingBase Address Definition:
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QualifiedDependentaddressingQualifi
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Addressingz/VM and z/OSWhen you spe
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Addressing..EX_SYM DC V(EXMOD1) Add
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AddressingSee the appendix “Objec
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Part 2. Machine and assembler instr
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Chapter 4. Machine instruction stat
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Input/output operationsThe input or
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Branching with extended mnemonic co
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Statement formatsSymbolic operation
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Operand entriesRegistersYou can spe
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Operand entriesv Explicitly—in a
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Operand entriesImmediateused by the
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Examples of coded machine instructi
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Chapter 5. Assembler instruction st
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*PROCESS statementstatement, follow
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ACONTROL instruction►►NOCOMPAT,
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ACONTROL instructionFLAG(PAGE0)inst
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ACONTROL instruction|||may be fetch
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AINSERT instruction►►sequence_s
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ALIAS instruction||||||The alias_st
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AMODE instructionCATTR instruction
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CATTR instructionRMODE(ANY)The text
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CCW and CCW0 instructionssupport 31
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CEJECT instructionIf number of line
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CNOP instructionAfter the BALR inst
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COPY instructioncopied from either
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CSECT instructionsame section name
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CXD instructionZETA: the resulting
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DC instruction10EBP(7)L2’12’the
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DC instructionTable 17. Length attr
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DC instruction4. Double-byte data i
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DC instructionTable 19. Type codes
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DC instructionYou may omit the modi
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DC instructionfirst constant to be
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DC instructionTable 21. Specifying
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DC instruction—Character constant
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DC instruction—Character constant
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DC instruction—Graphic constantTa
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DC instruction—Fixed-point consta
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DC instruction—Fixed-point consta
Page 169 and 170: DC instruction—Decimal constantsD
Page 171 and 172: DC instruction—Address constants|
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Page 176 and 177: DC instruction—Offset constantIn
Page 178 and 179: DC instruction—Hexadecimal floati
Page 184 and 185: DC instruction—Decimal floating-p
Page 186 and 187: Syntax of binary, decimal, and hexa
Page 188 and 189: DC instruction—Binary floating-po
Page 190 and 191: DROP instructionLabeledDependentIf
Page 192 and 193: DS instructionv An ordinary symbolv
Page 194 and 195: DS instructionthe data that follows
Page 196 and 197: DSECT instructionTo effect referenc
Page 198 and 199: DXD instructionnominal_valueis the
Page 200 and 201: END instructionNotes:1. If the END
Page 202 and 203: EQU instruction||||to the symbol in
Page 204 and 205: EQU instruction|FPR Register - Floa
Page 206 and 207: EXITCTL instructionSee the section
Page 208 and 209: ISEQ instruction►►sequence_symb
Page 210 and 211: LOCTR instructionA LOCTR name may b
Page 212 and 213: LTORG instructionAddressingDuplicat
Page 214 and 215: MNOTE instructionNote: The maximum
Page 216 and 217: OPSYN instruction||||||v An operati
Page 218 and 219: ORG instruction||||||||If symbol de
Page 222 and 223: PRINT instructionPRINT instructionT
Page 224 and 225: PRINT instructionexceeded the macro
Page 226 and 227: PUNCH instructionv A pair of single
Page 228 and 229: REPRO instruction||Notes:1. The ide
Page 230 and 231: RSECT instructionThe beginning of a
Page 232 and 233: TITLE instructionv Provides heading
Page 234 and 235: TITLE instructionIf the TITLE state
Page 236 and 237: USING instructioninstructions suppo
Page 238 and 239: USING instructionby means of anothe
Page 240 and 241: USING instructionLabeled USING inst
Page 242 and 243: USING instructionDomain of a labele
Page 244 and 245: USING instructionIf the dependent U
Page 246 and 247: XATTR instructionXATTR instruction
Page 248 and 249: XATTR instructionSCOPE(MODULE), abb
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Page 252 and 253: Name entry . . . . . . . . . . . .
Page 254 and 255: Macro definitionA macro definition
Page 256 and 257: Macro instructionThe macro instruct
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Page 260 and 261: Where to define a macro in a source
Page 262 and 263: Prototype statement|||||specified o
Page 264 and 265: Model statementsEach field or subfi
Page 266 and 267: Model statementsTable 37. Rules for
Page 268 and 269: Model statements||v Variable symbol
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Symbolic parametersPositionalKeywor
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Other conditional assembly instruct
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AREAD instruction||If no operand is
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MEXIT instructionThe MEXIT instruct
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System variable symbols1 macro2 get
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&SYSADATA_MEMBER System Variable Sy
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&SYSDATC System Variable SymbolYYYY
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&SYSECT System Variable Symbolv Sta
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&SYSIN_MEMBER System Variable Symbo
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&SYSLIB_DSN System Variable SymbolS
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&SYSLIN_DSN System Variable SymbolE
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&SYSLIST System Variable Symbolposi
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&SYSLOC System Variable Symbolinstr
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&SYSNDX System Variable Symbol1 MAC
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&SYSNDX System Variable SymbolState
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&SYSOPT_RENT System Variable Symbol
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&SYSPRINT_DSN System Variable Symbo
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&SYSPUNCH_DSN System Variable Symbo
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&SYSSEQF System Variable Symbol1. I
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&SYSTEM_ID System Variable SymbolNo
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&SYSTERM_VOLUME System Variable Sym
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&SYSVER System Variable Symbol294 H
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Macro instruction format|name_entry
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Macro instruction formatOperandYou
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Macro instruction formatAny keyword
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Macro instruction formatparameters
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Sublists in operandsTable 48. Relat
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Values in operandsUnquotedSpecial2.
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Values in operands’SPACES ALLOWED
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Levels of macro call nestingLevels
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Levels of macro call nestingCOMPAT(
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Levels of macro call nesting&SYSSEQ
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SET symbolsSET symbolsSET symbols a
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SET symbolsTable 50. Features of SE
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SET symbolspreceding 999999 element
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Data attributesTable 51. Data attri
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Data attributesThe values of attrib
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Data attributesV R-, V-type address
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Data attributes|||||||||Notes:1. Or
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Data attributesv If the first opera
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Data attributesCount attribute (K')
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Data attributes||||||defined attrib
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Sequence symbolsparameter wherever
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LookaheadSequencelater defined by O
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GBLA, GBLB, and GBLC instructionsGB
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LCLA, LCLB, and LCLC instructions,
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Assigning values to SET symbolsLogi
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Assigning values to SET symbolsTabl
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SETA instructionTable 58. Variable
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SETA instructionB2A(’’) has val
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SETA instruction|||||||||||||||||||
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SETA instructionAfter the following
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SETA instruction10. An arithmetic e
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SETA instructionarithmetic value
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SETB instructionv A logical express
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SETB instructionOR Format: Logical-
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SETC instructionSETCinstructionThe
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SETC instruction|LCLC &C1,&C2LCLC &
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Substring notationv When e2 has a v
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Substring notation||||ExamplesA2D(0
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Substring notationC2X Format: Funct
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Substring notationSuppose the SETC
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Substring notationX2C(’’) has v
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Substring notationFor example, eith
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Substring notationStatement 1 assig
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SETAF instruction►► variable_sy
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AIF instructionsequence_symbolis a
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AIF instructionAIFB—synonym of th
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ACTR instruction►►sequence_symb
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390 HLASM: V1R6 Language Ref
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MHELP optionsparameters are dumped
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Assembler instructions and statemen
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Summary of constantsTable 65. Summa
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Macro and conditional assembly lang
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Standard character set code tableHe
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Standard character set code tableHe
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NoticesPURPOSE. Some states do not
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z/VM: CP Planning and Administratio
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ALIAS instruction 108maximum operan
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comment statements (continued)ordin
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GG-type graphic constant 144GBLA in
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macro instructions (continued)opera
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eference constant (R) 154reference
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UUHEADPRINT instruction 206unary op
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