Microprogrammed control of foreign processor control functions

Details Microprogrammed control of foreign processor control functions Microprogrammed control of foreign processor control functions

G - Physics

06

F

354/221, 354/230

G06F 9/22 (2006.01) G06F 9/455 (2006.01) G06F 15/18 (2006.01)

Patent

CA 1080364

ABSTRACT OF THE DISCLOSURE A host system includes a microprogrammed processing unit which couples a foreign processing unit to the main memory of the host system. The microprogrammed processing unit also couples to an interface connected to the foreign processor. During operation, the host processor transfers a channel command to the microprogrammed processing unit which is operative under firmware control to perform the various control functions required for initiating a partic- ular job. In this manner, the various parameters and in- formation necessary to dispatch a job of the foreign pro- cessor is accomplished expeditiously under the firmware control in response to commands issued by the host processor. -1-

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