HLASM: V1R6 Language Ref

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Branching with extended mnemonic codesExtended Code Meaning Format (Symbolic) MachineInstruction Equivalent─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────▌3▐ ▌4▐ ▌1▐│ │ ┌────▌2▐│ ┌───────┐ B └─►D₂(X₂,B₂) ┐ Unconditional Branch RX BC 15,D₂(X₂,B₂)BR R₂ ┘ RR BCR 15,R₂J label Unconditional Jump RI BRC 15,labelNOP D₂(X₂,B₂) ┐ No Operation RX BC 0,D₂(X₂,B₂)NOPR R₂ │ RR BCR 0,R₂JNOP label ┘ RI BRC 0,labelUsed After Compare InstructionsBH D₂(X₂,B₂) ┐ Branch on High RX BC 2,D₂(X₂,B₂)BHR R₂ ┘ RR BCR 2,R₂JH label Jump on High RI BRC 2,labelBL D₂(X₂,B₂) ┐ Branch on Low RX BC 4,D₂(X₂,B₂)BLR R₂ ┘ RR BCR 4,R₂JL label Jump on Low RI BRC 4,labelBE D₂(X₂,B₂) ┐ Branch on Equal RX BC 8,D₂(X₂,B₂)BER R₂ ┘ RR BCR 8,R₂JE label Jump on Equal RI BRC 8,labelBNH D₂(X₂,B₂) ┐ Branch on Not High RX BC 13,D₂(X₂,B₂)BNHR R₂ ┘ RR BCR 13,R₂JNH label Jump on Not High RI BRC 13,labelBNL D₂(X₂,B₂) ┐ Branch on Not Low RX BC 11,D₂(X₂,B₂)BNLR R₂ ┘ RR BCR 11,R₂JNL label Jump on Not Low RI BRC 11,labelBNE D₂(X₂,B₂) ┐ Branch on Not Equal RX BC 7,D₂(X₂,B₂)BNER R₂ ┘ RR BCR 7,R₂JNE label Jump on Not Equal RI BRC 7,labelFigure 14. Extended mnemonic codes (Part 1 of 5)Used After Arithmetic InstructionsBP D₂(X₂,B₂) ┐ Branch on Plus RX BC 2,D₂(X₂,B₂)BPR R₂ ┘ RR BCR 2,R₂JP label Jump on Plus RI BRC 2,labelBM D₂(X₂,B₂) ┐ Branch on Minus RX BC 4,D₂(X₂,B₂)BMR R₂ ┘ RR BCR 4,R₂JM label Jump on Minus RI BRC 4,labelBZ D₂(X₂,B₂) ┐ Branch on Zero RX BC 8,D₂(X₂,B₂)BZR R₂ ┘ RR BCR 8,R₂JZ label Jump on Zero RI BRC 8,labelBO D₂(X₂,B₂) ┐ Branch on Overflow RX BC 1,D₂(X₂,B₂)BOR R₂ ┘ RR BCR 1,R₂JO label Jump on Overflow RI BRC 1,labelBNP D₂(X₂,B₂) ┐ Branch on Not Plus RX BC 13,D₂(X₂,B₂)BNPR R₂ ┘ RR BCR 13,R₂JNP label Jump on Not Plus RI BRC 13,labelBNM D₂(X₂,B₂) ┐ Branch on Not Minus RX BC 11,D₂(X₂,B₂)BNMR R₂ ┘ RR BCR 11,R₂JNM label Jump on Not Minus RI BRC 11,labelBNZ D₂(X₂,B₂) ┐ Branch on Not Zero RX BC 7,D₂(X₂,B₂)BNZR R₂ ┘ RR BCR 7,R₂JNZ label Jump on Not Minus RI BRC 7,labelBNO D₂(X₂,B₂) ┐ Branch on No Overflow RX BC 14,D₂(X₂,B₂)BNOR R₂ ┘ RR BCR 14,R₂JNO label Jump on No Overflow RI BRC 14,labelFigure 14. Extended mnemonic codes (Part 2 of 5)78 HLASM: V1R6 Language Ref
Branching with extended mnemonic codesUsed After Test Under Mask InstructionsBO D₂(X₂,B₂) ┐ Branch if Ones RX BC 1,D₂(X₂,B₂)BOR R₂ ┘ RR BCR 1,R₂BM D₂(X₂,B₂) ┐ Branch if Mixed RX BC 4,D₂(X₂,B₂)BMR R₂ ┘ RR BCR 4,R₂BZ D₂(X₂,B₂) ┐ Branch if Zero RX BC 8,D₂(X₂,B₂)BZR R₂ ┘ RR BCR 8,R₂BNO D₂(X₂,B₂) ┐ Branch if Not Ones RX BC 14,D₂(X₂,B₂)BNOR R₂ ┘ RR BCR 14,R₂BNM D₂(X₂,B₂) ┐ Branch if Not Mixed RX BC 11,D₂(X₂,B₂)BNMR R₂ ┘ RR BCR 11,R₂BNZ D₂(X₂,B₂) ┐ Branch if Not Zero RX BC 7,D₂(X₂,B₂)BNZR R₂ ┘ RR BCR 7,R₂Branch Relative on Condition LongBRUL label Unconditional Br Rel Long RIL BRCL 15,labelBRHL label Br Rel Long on High RIL BRCL 2,labelBRLL label Br Rel Long on Low RIL BRCL 4,labelBREL label Br Rel Long on Equal RIL BRCL 8,labelBRNHL label Br Rel Long on Not High RIL BRCL 13,labelBRNLL label Br Rel Long on Not Low RIL BRCL 11,labelBRNEL label Br Rel Long on Not Equal RIL BRCL 7,labelBRPL label Br Rel Long on Plus RIL BRCL 2,labelBRML label Br Rel Long on Minus RIL BRCL 4,labelBRZL label Br Rel Long on Zero RIL BRCL 8,labelBROL label Br Rel Long on Overflow RIL BRCL 1,labelBRNPL label Br Rel Long on Not Plus RIL BRCL 13,labelBRNML label Br Rel Long on Not Minus RIL BRCL 11,labelBRNZL label Br Rel Long on Not Zero RIL BRCL 7,labelBRNOL label Br Rel Long on Not Overflow RIL BRCL 14,labelFigure 14. Extended mnemonic codes (Part 3 of 5)Branch Relative on ConditionBRO label Branch on Overflow RI BRC 1,labelBRP label Branch on Plus RI BRC 2,labelBRH label Branch on High RI BRC 2,labelBRL label Branch on Low RI BRC 4,labelBRM label Branch on Minus RI BRC 4,labelBRNE label Branch on Not Equal RI BRC 7,labelBRNZ label Branch on Not Minus RI BRC 7,labelBRE label Branch on Equal RI BRC 8,labelBRZ label Branch on Zero RI BRC 8,labelBRNL label Branch on Not Low RI BRC 11,labelBRNM label Branch on Not Minus RI BRC 11,labelBRNH label Branch on Not High RI BRC 13,labelBRNP label Branch on Not Plus RI BRC 13,labelBRNO label Branch on No Overflow RI BRC 14,labelBRU label Unconditional Branch RI BRC 15,labelFigure 14. Extended mnemonic codes (Part 4 of 5)Chapter 4. Machine instruction statements 79
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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
Page 45 and 46: Mnemonic tags|||||||||For example,
Page 47 and 48: Terms, literals, and expressions- T
Page 49 and 50: Terms, literals, and expressionsAss
Page 51 and 52: Terms, literals, and expressionsUsi
Page 53 and 54: Terms, literals, and expressions|||
Page 55 and 56: Terms, literals, and expressionsz/V
Page 57 and 58: Terms, literals, and expressionsTab
Page 59 and 60: Terms, literals, and expressions1.
Page 61 and 62: Terms, literals, and expressions1.
Page 63 and 64: Terms, literals, and expressions┌
Page 65 and 66: Terms, literals, and expressionsA-Y
Page 67 and 68: Chapter 3. Program structures and a
Page 69 and 70: SourcemoduleA source module is comp
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: Input/output operationsThe input or
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 and 120: ACONTROL instruction►►NOCOMPAT,
Page 121 and 122: ACONTROL instructionFLAG(PAGE0)inst
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
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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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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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