Summary of changes
- Date of Publication
- July 2008
- Form of Publication
- Sixth Edition, SC26-4940-05
Here is a list of the changes to HLASM
that are explained in this document.
Changed Assembler instructions
- New QY-type and SY-type address constants provide resolution into long-displacement.
- Support for three decimal floating-point data types,
increasing instruction addressability and reducing the need for additional instructions.
Unified Opcode table
- OPTABLE option
- The OPTABLE option is permitted on the *PROCESS statement.
- Mnemonic tagging
- Suffix tags for instruction mnemonics let you use identically-named
macro instructions and machine instructions in the same source
program.
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