processor stack pointer

processor stack pointer

[′prä‚ses·ər ′stak ‚pȯint·ər]

(computer science)

A programmable register used to access all temporary-storage words related to an interrupt-service routine which was halted when a new service routine was called in.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.