Microprocessor with customer code store

Details Microprocessor with customer code store Microprocessor with customer code store

2007-05-08

2007-05-08

Coleman, Eric (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Branching

Reexamination Certificate

active

10891165

ABSTRACT:
A microprocessor including memory storage into which ISA customer code routines can be stored after having been decoded into their machine-native microinstructions. The customer code store is not subject to eviction and the like, as a cache memory would be. ISA level code can specify a routine for storage into the customer code store, at a time prior to its execution. The customer code store thus serves as a write-once execute-many library of pre-decoded routines which ISA level applications can subsequently use, permitting a system manufacturer to create a highly customized and optimized system.

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Gary B. Little, Inside the Apple lle, 1985, Prentice Hall, pp. 105-109.

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