Insignia Solutions Plc

Roderick MacGregor

Data processing means adapted to be controlled by sequential instructions, a substantial number of which comprise an operation code selected from a set of n such codes and a qualifying code selected from a set of m such codes, the data processing means comprising a store having approximately n times m locations with each location corresponding to a consistent combination of operating code and qualifying code and holding a series of instructions corresponding to the said operating code and qualifying code. The qualifying code may be the addressing mode and a jump table of 256.times.256 entries may be employed to access the instruction series.

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Bucks, United Kingdom

Roderick MacGregor