Instruction Address Register

<architecture>

(IAR) The IBM name for program counter.

The IAR can be accessed by way of a supervisor call in supervisor state, but cannot be directly addressed in problem state.

Last updated: 1995-03-21

Nearby terms:

instruction ♦ Instruction Address Register ♦ instructional technology

Try this search on Wikipedia, Wiktionary, Google, OneLook.

Loading