Conditional assembly language

A Conditional Assembly Language is that part of an Assembly Language used to write macros.

In the IBM conditional assembly language (as an example), the most important statements are:-

• MACRO and MEND - used to start and finish a macro
• AIF, AGO, ANOP, AEND, AEXIT and MEXIT - used to control the generation of different assembly language statements, depending on the nature of the macro’s supplied arguments.
• SETx - used to manipulate variables within the macro.

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