HLASM: V1R6 Language Ref

Appendix A. Assembler instructionsTable 63 summarizes the basic formats of assembler instructions, and Table 64 onpage 400 summarizes assembler statements.Table 63. Assembler instructionsOperationEntry Name Entry Operand EntryACONTROL⁵ A sequence symbol or space One or more operands, separated bycommasACTR A sequence symbol or space An arithmetic SETA expressionADATA⁵ A sequence symbol or space One-to-four decimal, self-defining terms,and one character string, separated bycommas.AEJECT² A sequence symbol or space Taken as a remarkAGO A sequence symbol or space A sequence symbolAIF A sequence symbol or space A logical expression enclosed inparentheses, immediately followed by asequence symbolAINSERT⁵ A sequence symbol or space A character string, followed by FRONTor BACKAMODE Any symbol or space 24, 31, 64, ANY or ANY31ALIAS⁵ A symbol A character string or a hexadecimalstringANOP A sequence symbol or space Taken as a remarkAREAD² Any SETC symbol NOPRINT, NOSTMT, CLOCKB,CLOCKD, or spacesASPACE A sequence symbol or space An absolute expressionCATTR (z/OSand CMS)A valid program object externalclass nameOne or more attributesCCW⁴ Any symbol or space Four operands, separated by commasCCW0⁴ Any symbol or space Four operands, separated by commasCCW1⁴ Any symbol or space Four operands, separated by commasCEJECT⁵ A sequence symbol or space An absolute expression or spaceCNOP⁴ Any symbol or space Two absolute expressions, separated bya commaCOM Any symbol or space Taken as a remarkCOPY⁵ A sequence symbol or space An ordinary symbol, or, for open codestatements, a variable symbolCSECT Any symbol or space Taken as a remarkCXD⁴ Any symbol or space Taken as a remarkDC⁴ Any symbol or space One or more operands, separated bycommasDROP A sequence symbol or space One or more absolute expressions andsymbols, separated by commas, or space© Copyright IBM Corp. 1982, 2008 397