HLASM: V1R6 Language Ref

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Macro and conditional assembly language summaryTable 68. Macro language elements (part 2)Attributes TypeStatementLength Scale Integer Count Number Defined Operation CodeMACROPrototypeStatementGBLAGBLBGBLCLCLALCLBLCLCModelStatementSETA Operand Operand Operand Operand Operand OperandSETAF Operand¹³ Operand¹³ Operand¹³ Operand¹³ Operand¹³SETB Operand⁵ Operand⁶ Operand⁶ Operand⁶ Operand⁶ Operand⁶ Operand⁶ Operand⁵SETC Operand OperandSETCF Operand¹³ACTR Operand Operand Operand Operand OperandAEJECTAGOAIF Operand⁵ Operand⁶ Operand⁶ Operand⁶ Operand⁶ Operand⁶ Operand OperandANOPAREADASPACE Operand Operand Operand Operand OperandMEXITMNOTEMENDOuterMacroNotes:1. Variable symbols in macro instructions are replaced by their values before processing.2. Depending upon their values, system variable symbols with global scope can be used in the same way as global SET symbols, and system variable symbols with local scope can be used in the same way as local SET symbols.3. Only if value is self-defining term.4. Converted to arithmetic 0 or 1.5. Only in character relations.6. Only in arithmetic relations.7. Only in arithmetic or character relations.8. Converted to an unsigned number.9. Converted to character 0 or 1.10. Only if one to ten decimal digits, not greater than 2147483647.11. Only in created SET symbols if value of parenthesized expression is an alphabetic character followed by 0 to 61 alphanumeric characters.12. Only in created SET symbols (as described above) and in subscripts (see SETA statement).13. The first operand of a SETAF or SETCF instruction must be a character (SETC) expression containing or evaluating to an eight byte module name.408 HLASM: V1R6 Language Ref
Macro and conditional assembly language summaryTable 69. Conditional assembly expressionsExpressionCancontainArithmeticExpressionsSelf-defining termsAbsolute, predefinedordinary symbolsLength, scale, integer,count, defined, andnumber attributesSETA and SETB symbolsSETC symbols whosevalues are aself-defining termCharacterExpressionsAny combination of characters(including double-bytecharacters, if the DBCSassembler option is specified)enclosed in single quotationmarksAny variable symbol enclosed insingle quotation marksA concatenation of variablesymbols and other charactersenclosed in single quotationmarksLogicalExpressionsA 0 or a 1Absolute, predefinedordinary symbolsSETB symbolsArithmetic relationsCharacter relationsArithmetic value||||Symbolic parameters ifthe correspondingoperand is aself-defining termBuilt-in Functions&SYSDATC&SYSLIST(n) if thecorresponding operandis a self-defining term&SYSLIST (n,m) if thecorresponding operandis a self-defining term&SYSOPT_DBCS,&SYSOPT_RENT, and&SYSOPT_XOBJECT&SYSM_HSEV and&SYSM_SEVBuilt-in FunctionsA type or operation codeattribute referenceSubstrings&SYSNDX, &SYSNEST,and &SYSSTMTOperations +, − (unary and binary),*, and /;Rangeof valuesParentheses permittedUsed in SETA operandsConcatenation, with a period (.),or by juxtaposition; substringsAND, OR, NOT, XORParentheses permitted−2³¹ to +2³¹−1 0 through 1024 characters 0 (false) or 1 (true)SETC operandsSETB operandsArithmetic relationsCreated SET symbolsSubscripted SETsymbols&SYSLIST subscript(s)Substring notationSublist notationCharacter relationsCreated SET symbolsAIF operandsCreated SET symbolsAppendix C. Macro and conditional assembly language summary 409
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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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Name entry . . . . . . . . . . . .
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Macro definitionA macro definition
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Macro instructionThe macro instruct
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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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Page 378 and 379: SETB instructionv A logical express
Page 380 and 381: SETB instructionOR Format: Logical-
Page 382 and 383: SETC instructionSETCinstructionThe
Page 384 and 385: SETC instruction|LCLC &C1,&C2LCLC &
Page 386 and 387: Substring notationv When e2 has a v
Page 388 and 389: Substring notation||||ExamplesA2D(0
Page 390 and 391: 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 442 and 443: z/VM: CP Planning and Administratio
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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