Macro level control of an activity switch in a scientific vector processor which processor requires an external executive control program
This patent describes a scientific data processor requiring an external executive control program, the scientific data processor having an activity switch which includes an instruction cache buffer to receive the temporarily store data from a main storage, an instruction address selection logic means connected to the instruction cache buffer and an instruction decode and sequencing control means coupled to the instruction cache buffer, apparatus for controlling the activity switch of the scientific processor at the macro instruction level comprising: (a) macro code storage means to store a plurality of macro coded instructions and to provide a source thereof; (b) macro code control means responsive to a plurality of interrupt signals from various sources and to provide a plurality of control signals; (c) a source of data from a main storage means; and (d) an instruction buffer writer data selector means commonly connected to (a), (b) and (c) to selectively receive information from either the (a) or (c) under the control of (b) such that in response to any one of a plurality of interrupt signals to the macro code control means, the macro code control means causes the instruction buffer write data selector means to selectively shift from the receipt of data from the main storage to the receipt of data from the macro code store means thereby providing macro level control of the activity switch in the scientific processor.
- Assignee:
- Unisys Corp., Blue Bell, PA
- Patent Number(s):
- US 4791560
- OSTI ID:
- 6390456
- Resource Relation:
- Patent File Date: Filed date 31 Jul 1985
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
EXECUTIVE CODES
SUPERCOMPUTERS
SWITCHING CIRCUITS
VECTOR PROCESSING
COMPUTERIZED CONTROL SYSTEMS
COMPUTERS
DATA TRANSMISSION SYSTEMS
MEMORY DEVICES
COMPUTER CODES
CONTROL SYSTEMS
DIGITAL COMPUTERS
ELECTRONIC CIRCUITS
PROGRAMMING
990210* - Supercomputers- (1987-1989)