Priority vectored interrupt having means to supply branch address directly

摘要: In a computer system, struture uses method for rapidly accessing and executing sub-routine selected in response to service request from an external source. The system provides storage unit containing the addresses of sub-routines called by requests, with being identified received requests. Also provided is register address given instruction control logic responsive enable become main program counter thereby point instruction. responds alter contents predetermined value. A decoder altered concurrently disable memory which then supplies while disabled. loads requested into acts as execution sub-routine.