Data processor having selective breakpoint capability with minim

Details Data processor having selective breakpoint capability with minim Data processor having selective breakpoint capability with minim

1986-05-13

1987-01-06

Williams, Archie E.

Boots, shoes, and leggings

371 16, 371 19, G06F 922, G06F 1100

Patent

active

046351930

ABSTRACT:
A data processor communicates with a peripheral device and selectively sets breakpoints with minimal overhead. The data processor utilizes an instruction register to store instructions to be executed. Control means communicate with the peripheral device to selectively set a breakpoint in a software program. When repetitions of the breakpoint are encountered, an exception handler is only executed at the desired breakpoint to minimize overhead. A control portion of the processor selectively receives a breakpoint instruction and stores the breakpoint instruction in the instruction register.

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C. J. Sippl et al, Computer Dictionary &Handbook, (Howard W. Sams & Co., Inc., Indianapolis, Ind., 1980), p. 249.

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