HLASM: V1R6 Language Ref

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ACONTROL instruction►►,FLAG( ▼ integer )ALIGNNOALIGNCONTNOCONTEXLITWNOEXLITWIMPLENNOIMPLENPAGE0NOPAGE0SUBSTRNOSUBSTRUSING0NOUSING0►◄|integerspecifies that error diagnostic messages with this or a higher severity code areprinted in the source and object section of the assembly listing.FLAG(ALIGN), abbreviation FLAG(AL)instructs the assembler to issue diagnostic message ASMA033I, ASMA212W, orASMA213W when an inconsistency is detected between the operation code andthe alignment of addresses in machine instructions.FLAG(NOALIGN), abbreviation FLAG(NOAL)instructs the assembler not to issue diagnostic message ASMA033I,ASMA212W, orASMA213W when an inconsistency is detected between the operation code andthe alignment of addresses in machine instructions.FLAG(CONT)specifies that the assembler is to issue diagnostic messages ASMA430W throughASMA433W when an inconsistent continuation is encountered in a statement.FLAG(NOCONT)specifies that the assembler is not to issue diagnostic messages ASMA430Wthrough ASMA433W when an inconsistent continuation is encountered in astatement.FLAG(EXLITW)instructs the assembler to issue diagnostic warning ASMA016W when a literalis specified as the object of an EX instruction.FLAG(NOEXLITW)instructs the assembler to suppress diagnostic warning message ASMA016Wwhen a literal is specified as the object of an EX instruction.FLAG(IMPLEN)instructs the assembler to issue diagnostic message ASMA169I when an explicitlength subfield is omitted from an SS-format machine instruction.FLAG(NOIMPLEN)instructs the assembler not to issue diagnostic message ASMA169I when anexplicit length subfield is omitted from an SS-format machine instruction.102 HLASM: V1R6 Language Ref
ACONTROL instructionFLAG(PAGE0)instructs the assembler to issue diagnostic message ASMA309W when an operandis resolved to a baseless address and a base and displacement is expected.FLAG(NOPAGE0)instructs the assembler not to issue diagnostic message ASMA309W when anoperand is resolved to a baseless address and a base and displacement isexpected.FLAG(SUBSTR), abbreviation FLAG(SUB)instructs the assembler to issue warning diagnostic message ASMA094I when thesecond subscript value of the substring notation indexes past the end of thecharacter expression.FLAG(NOSUBSTR), abbreviation FLAG(NOSUB)instructs the assembler not to issue warning diagnostic message ASMA094Iwhen the second subscript value of the substring notation indexes past the endof the character expression.FLAG(USING0), abbreviation FLAG(US0)instructs the assembler to issue diagnostic warning message ASMA306W for aUSING that is coincident with or overlaps the implied USING 0,0, when theUSING(WARN) suboption includes the condition numbers 1 and/or 4.FLAG(NOUSING0), abbreviation FLAG(NOUS0)instructs the assembler to suppress diagnostic warning message ASMA306W►►NOLIBMACLIBMAC►◄LIBMAC, abbreviation LMACspecifies that, for each macro, macro definition statements read from a macrolibrary are to be imbedded in the input source program immediately precedingthe first invocation of that macro.NOLIBMAC, abbreviation NOLMACspecifies that macro definition statements read from a macro library are not tobe included in the input source program.|||►►,NOLISTOPTABLE( DOS )ESA ,LISTXA370YOPZOPZS3ZS4►◄Chapter 5. Assembler instruction statements 103
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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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Page 71 and 72: Beginning of a source modulev The S
Page 73 and 74: Beginning of a source moduleReferen
Page 75 and 76: Beginning of a source moduleNote: T
Page 77 and 78: Beginning of a source moduleClass l
Page 79 and 80: Beginning of a source modulez/VM an
Page 81 and 82: AddressingBase Address Definition:
Page 83 and 84: QualifiedDependentaddressingQualifi
Page 85 and 86: Addressingz/VM and z/OSWhen you spe
Page 87 and 88: Addressing..EX_SYM DC V(EXMOD1) Add
Page 89 and 90: AddressingSee the appendix “Objec
Page 91 and 92: Part 2. Machine and assembler instr
Page 93 and 94: Chapter 4. Machine instruction stat
Page 95 and 96: Input/output operationsThe input or
Page 97 and 98: Branching with extended mnemonic co
Page 99 and 100: Statement formatsSymbolic operation
Page 101 and 102: Operand entriesRegistersYou can spe
Page 103 and 104: Operand entriesv Explicitly—in a
Page 105 and 106: Operand entriesImmediateused by the
Page 107 and 108: Examples of coded machine instructi
Page 115 and 116: Chapter 5. Assembler instruction st
Page 117 and 118: *PROCESS statementstatement, follow
Page 119: ACONTROL instruction►►NOCOMPAT,
Page 123 and 124: ACONTROL instruction|||may be fetch
Page 125 and 126: AINSERT instruction►►sequence_s
Page 127 and 128: ALIAS instruction||||||The alias_st
Page 129 and 130: AMODE instructionCATTR instruction
Page 131 and 132: CATTR instructionRMODE(ANY)The text
Page 133 and 134: CCW and CCW0 instructionssupport 31
Page 135 and 136: CEJECT instructionIf number of line
Page 137 and 138: CNOP instructionAfter the BALR inst
Page 139 and 140: COPY instructioncopied from either
Page 141 and 142: CSECT instructionsame section name
Page 143 and 144: CXD instructionZETA: the resulting
Page 145 and 146: DC instruction10EBP(7)L2’12’the
Page 147 and 148: DC instructionTable 17. Length attr
Page 149 and 150: DC instruction4. Double-byte data i
Page 151 and 152: DC instructionTable 19. Type codes
Page 153 and 154: DC instructionYou may omit the modi
Page 155 and 156: DC instructionfirst constant to be
Page 157 and 158: DC instructionTable 21. Specifying
Page 159 and 160: DC instruction—Character constant
Page 161 and 162: DC instruction—Character constant
Page 163 and 164: DC instruction—Graphic constantTa
Page 165 and 166: DC instruction—Fixed-point consta
Page 167 and 168: DC instruction—Fixed-point consta
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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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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
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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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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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