Motorola Corporation

Elizabeth Marie Rudnick

William C Bruce

Wai-on Law

Judith Elizabeth Laurens

An apparatus and method for generating pseudo-random test instructions for testing a microprocessor begins by providing an array of list structures (502 through 508). Each list structure (502 through 508) contains a list of instructions, a discipline field (34), a pick field (42) and a biasing field (36). A random list of instructions is created by using a list selection discipline field to determine which list (502 through 508) is selected. The discipline field in the particular list (502 through 508) is then used to determine a manner in which instructions are selected from a list of instructions contained within the list structure. The pick field indicates how many instructions are to be selected from each selected list structure using a method determined via the discipline field. Once a number of instructions equal to the pick value has been selected, another list structure is selected as determined in the list selection discipline field until an entire test file of computer instructions is fully generated.

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Urbana, IL, United States of America

Elizabeth Marie Rudnick