In the early 1990s, engineers at Japan's Hitachi found ways to compress the reduced instruction sets so they fit in even smaller memory systems than CISCs. Such compression schemes were used for the instruction set of their SuperH series of microprocessors, introduced in 1992.
In the early 1990s, engineers at Japan's Hitachi devised ways to shrink reduced instruction sets so they could fit within even smaller memory systems than CISCs. Such compression methods were employed for the SuperH series of microprocessors, launched in 1992.