HLASM: V1R6 Language Ref

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IndexSpecialcharacters/as division operator 355.concatenation operator forstrings 377in qualified symbols 65*PROCESS statement 98initiating the first control section 53restricted options 99−as negative unary operator 355as subtraction operator 355&SYSas start of system variable names 259&SYSADATA_DSN system variablesymbol 260&SYSADATA_MEMBER system variablesymbol 261&SYSADATA_VOLUME system variablesymbol 262&SYSASM system variable symbol 263&SYSCLOCK system variablesymbol 263&SYSDATC system variable symbol 263&SYSDATE system variable symbol 264&SYSECT system variable symbol 264CSECT 265DSECT 265RSECT 265&SYSIN_DSN system variablesymbol 266&SYSIN_MEMBER system variablesymbol 267&SYSIN_VOLUME system variablesymbol 268&SYSJOB system variable symbol 269&SYSLIB_DSN system variablesymbol 269&SYSLIB_MEMBER system variablesymbol 270&SYSLIB_VOLUME system variablesymbol 270&SYSLIN_DSN system variablesymbol 271&SYSLIN_MEMBER system variablesymbol 272&SYSLIN_VOLUME system variablesymbol 273&SYSLIST system variable symbol 273&SYSLOC system variable symbol 275LOCTR 276&SYSM_HSEV system variablesymbol 276&SYSM_SEV system variablesymbol 277&SYSMAC system variable symbol 276&SYSNDX system variable symbolcontrolling its value usingMHELP 392definition 278&SYSNEST system variable symbol 280&SYSOPT_DBCS system variablesymbol 281&SYSOPT_OPTABLE system variablesymbol 281&SYSOPT_RENT system variablesymbol 281&SYSOPT_XOBJECT system variablesymbol 282&SYSPARM system variable symbol 282&SYSPRINT_DSN system variablesymbol 283&SYSPRINT_MEMBER system variablesymbol 284&SYSPRINT_VOLUME system variablesymbol 284&SYSPUNCH_DSN system variablesymbol 285&SYSPUNCH_MEMBER system variablesymbol 286&SYSPUNCH_VOLUME system variablesymbol 287&SYSSEQF system variable symbol 287&SYSSTEP system variable symbol 288&SYSSTMT system variable symbol 288&SYSSTYP system variable symbol 289CSECT 289DSECT 289RSECT 289&SYSTEM_ID system variablesymbol 289&SYSTERM_DSN system variablesymbol 290&SYSTERM_MEMBER system variablesymbol 291&SYSTERM_VOLUME system variablesymbol 291&SYSTIME system variable symbol 292&SYSVER system variable symbol 292+as addition operator 355as positive unary operator 355=defining a literal constant 171Numerics24AMODE instruction 109RMODE instruction 21031AMODE instruction 109RMODE instruction 21064AMODE instruction 109RMODE instruction 21064-bit addressing mode 98AA-type address constant 151A2B (SETC built-in function) 369A2C (SETC built-in function) 369A2D (SETC built-in function) 369A2X (SETC built-in function) 370absolute addressesbase registers for 218absolute expression 46absolute symboldefined 30absolute terms 27ACONTROLPUSH instruction 209ACONTROL instruction 100ACONTROL operandsAFPR 83NOAFPR 83ACTR instruction 387ADATA assembler option 106ADATA instruction 106address constantsA-type 151complex relocatable 151J-type 158Q-type 157R-type 154S-type 155V-type 156Y-type 151addressabilityby means of the DROPinstruction 171by means of the USINGinstruction 216dependent 65establishing 62qualified 65relative 66using base register instructions 64addressesabsolute 84explicit 62implicit 62relocatable 84addressing mode64-bit 98addressing mode (AMODE) 66AEJECT instruction 254AFPR ACONTROL operand 83AFPR assembler option 100AGO instructionalternative statement format 387general statement format 386AGOBas synonym of AGO instruction 387AIF instruction 383alternative statement format 385AIFBas synonym of AIF instruction 386AINSERT instruction 106, 254© Copyright IBM Corp. 1982, 2008 425
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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
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DC instruction—Decimal constantsD
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DC instruction—Address constants|
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DC instruction—Address constantsT
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DC instruction—Offset constantIn
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DC instruction—Hexadecimal floati
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DC instruction—Decimal floating-p
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Syntax of binary, decimal, and hexa
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DC instruction—Binary floating-po
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DROP instructionLabeledDependentIf
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DS instructionv An ordinary symbolv
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DS instructionthe data that follows
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DSECT instructionTo effect referenc
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DXD instructionnominal_valueis the
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END instructionNotes:1. If the END
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EQU instruction||||to the symbol in
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EQU instruction|FPR Register - Floa
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EXITCTL instructionSee the section
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ISEQ instruction►►sequence_symb
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LOCTR instructionA LOCTR name may b
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LTORG instructionAddressingDuplicat
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MNOTE instructionNote: The maximum
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OPSYN instruction||||||v An operati
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ORG instruction||||||||If symbol de
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ORG instructionThat is, the ORG ins
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PRINT instructionPRINT instructionT
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PRINT instructionexceeded the macro
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PUNCH instructionv A pair of single
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REPRO instruction||Notes:1. The ide
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RSECT instructionThe beginning of a
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TITLE instructionv Provides heading
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TITLE instructionIf the TITLE state
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USING instructioninstructions suppo
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USING instructionby means of anothe
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USING instructionLabeled USING inst
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USING instructionDomain of a labele
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USING instructionIf the dependent U
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XATTR instructionXATTR instruction
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XATTR instructionSCOPE(MODULE), abb
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232 HLASM: V1R6 Language Ref
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Name entry . . . . . . . . . . . .
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Macro definitionA macro definition
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Macro instructionThe macro instruct
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240 HLASM: V1R6 Language Ref
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Where to define a macro in a source
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Prototype statement|||||specified o
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Model statementsEach field or subfi
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Model statementsTable 37. Rules for
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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
Page 392 and 393: Substring notationSuppose the SETC
Page 394 and 395: Substring notationX2C(’’) has v
Page 396 and 397: Substring notationFor example, eith
Page 398 and 399: Substring notationStatement 1 assig
Page 400 and 401: SETAF instruction►► variable_sy
Page 402 and 403: AIF instructionsequence_symbolis a
Page 404 and 405: AIF instructionAIFB—synonym of th
Page 406 and 407: ACTR instruction►►sequence_symb
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Page 410 and 411: MHELP optionsparameters are dumped
Page 416 and 417: Assembler instructions and statemen
Page 422 and 423: Summary of constantsTable 65. Summa
Page 424 and 425: Macro and conditional assembly lang
Page 436 and 437: Standard character set code tableHe
Page 438 and 439: Standard character set code tableHe
Page 440 and 441: NoticesPURPOSE. Some states do not
Page 444 and 445: ALIAS instruction 108maximum operan
Page 446 and 447: comment statements (continued)ordin
Page 448 and 449: GG-type graphic constant 144GBLA in
Page 450 and 451: macro instructions (continued)opera
Page 452 and 453: eference constant (R) 154reference
Page 454 and 455: UUHEADPRINT instruction 206unary op
Page 456: Readers’ Comments — We’d Like
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