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U.S. Department of Energy
Office of Scientific and Technical Information

Multiprocessors on a single semiconductor chip

Patent ·
OSTI ID:6541187

This patent describes a data processing system which includes apparatus for performing the functionality of a basic operating system instruction processor, a scientific instruction processor and a commercial instruction processor integrated into a single semiconductor logic chip. It comprises: register file means for storing a plurality of operands including floating point operands, binary coded decimal operands and basic operating system operands; binary unit means coupled to the register file means for processing mantissa of the floating point operands, and binary data of the basic operating system operands; decimal unit means coupled to the register file means for processing the binary coded decimal operands; and exponent unit means coupled to the register file means for processing exponents of the floating point operands; and instruction processing means coupled to the register means.

Assignee:
Honeywell Bull, Inc., Waltham, MA (USA)
Patent Number(s):
US 4942547; A
Application Number:
PPN: US s 7-131246
OSTI ID:
6541187
Country of Publication:
United States
Language:
English