Boots – shoes – and leggings
Patent
1986-08-29
1989-06-13
Shaw, Gareth D.
Boots, shoes, and leggings
3642302, 3642292, 3642707, 3642412, 3649416, G06F 1300
Patent
active
048398004
ABSTRACT:
A multiprocessor system includes a number of subsystems all coupled in common to an asynchronous system bus. Apparatus is included in the system bus interface logic of each processing subsystem to receive commands from the system bus and compare the interrupt priority level of the new command with the current command being executed. If the new command has a lower interrupt priority than the current command, then the subsystem sending the command will receive a not acknowledge response from the processing system. The apparatus is responsive to certain control signals from the new command to bypass the interrupt priority comparison logic and initiate an immediate interrupt regardless of the interrupt priority level of the current command being executed by the processing subsystem. The processing subsystem may also generate a command to itself via the system bus which requires the high speed interrupt.
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Barlow George J.
Keeley James W.
Bull HN Information Systems Inc.
Elbinger Lewis P.
Grayson George
Ruiz Adolfo
Shaw Gareth D.
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