HLASM: V1R6 Language Ref

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UUHEADPRINT instruction 206unary operators 355undefined type attribute 326Unicode character constant 140Unicode UTF-16character constant 143Unicode UTF-16 constant nominal dataCODEPAGE option 143unknown type attribute 326unnamed control section 54unquoted operands 306unsigned integer conversion 380UPPER (SETC built-in function) 375user I/O exits 186user recordsADATA instruction 106USINGPUSH instruction 209USING assembler optionWARN suboption 221USING instruction 216base registers for absoluteaddresses 218dependent 224discussion of 216domain of a 221for executable control sections 217for reference control sections 217labeled 222labeled dependent 224rangedependent 225labeled 223ordinary 220USING0suboption of FLAG 103UTF-16 143UTF-16 Unicode character constant 133VV-type address constant 156, 230validity checking functionsISBIN 352ISDEC 352ISHEX 352ISSYM 352valuespassing through nesting levels 311values in operands 305variable symbols&SYSADATA_DSN 260&SYSADATA_MEMBER 261&SYSADATA_VOLUME 262&SYSASM 263&SYSCLOCK 263&SYSDATC 263&SYSDATE 264&SYSECT 264&SYSIN_DSN 266&SYSIN_MEMBER 267&SYSIN_VOLUME 268&SYSJOB 269&SYSLIB_DSN 269variable symbols (continued)&SYSLIB_MEMBER 270&SYSLIB_VOLUME 270&SYSLIN_DSN 271&SYSLIN_MEMBER 272&SYSLIN_VOLUME 273&SYSLIST 273&SYSLOC 275&SYSM_HSEV 276&SYSM_SEV 277&SYSMAC 276&SYSNDX 278&SYSNEST 280&SYSOPT_DBCS 281&SYSOPT_OPTABLE 281&SYSOPT_RENT 281&SYSOPT_XOBJECT 282&SYSPARM 282&SYSPRINT_DSN 283&SYSPRINT_MEMBER 284&SYSPRINT_VOLUME 284&SYSPUNCH_DSN 285&SYSPUNCH_MEMBER 286&SYSPUNCH_VOLUME 287&SYSSEQF 287&SYSSTEP 288&SYSSTMT 288&SYSSTYP 289&SYSTEM_ID 289&SYSTERM_DSN 290&SYSTERM_MEMBER 291&SYSTERM_VOLUME 291&SYSTIME 292&SYSVER 292attributes 323, 409defined 29dimensioned 319implicitly declared 317, 319SETA 346SETB 359SETC 364subscripted 319summary of 411symbolic parameters 244type 317WWXTRN instruction 227XX-type hexadecimal constant 145X2A (SETA built-in function) 354X2B (SETC built-in function) 375X2C (SETC built-in function) 375X2D (SETC built-in function) 376XATTR instruction 228XATTR operandsATTRIBUTES 228LINKAGE 228PSECT 229REFERENCE 229SCOPE 229XOBJECT assembler option 71, 106, 187,271, 273XOBJECT assembler option (continued)ALIAS string 108CATTR instruction 111XATTR instruction 228XOR (SETA built-in function) 355XOR (SETB built-in function) 362XOR NOT (SETB built-in function) 362YY-type address constant 151ZZ-type decimal constant 149z/OS publications 423z/VM publications 423z/VSE publications 424zerodivision by, in expression 45436 HLASM: V1R6 Language Ref
Readers’ Comments — We’d Like to Hear from YouHigh Level Assembler for z/OS & z/VM & z/VSELanguage ReferenceRelease 6Publication No. SC26-4940-05We appreciate your comments about this publication. Please comment on specific errors or omissions, accuracy,organization, subject matter, or completeness of this book. The comments you send should pertain to only theinformation in this manual or product and the way in which the information is presented.For technical questions and information about products and prices, please contact your IBM branch office, yourIBM business partner, or your authorized remarketer.When you send comments to IBM, you grant IBM a nonexclusive right to use or distribute your comments in anyway it believes appropriate without incurring any obligation to you. IBM or any other organizations will only usethe personal information that you supply to contact you about the issues that you state on this form.Comments:Thank you for your support.Send your comments to the address on the reverse side of this form.If you would like a response from IBM, please fill in the following information:NameAddressCompany or OrganizationPhone No. E-mail address
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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
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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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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 456: Readers’ Comments — We’d Like
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