摘要: As late as 1967, a prominent researcher reported to his organization that he believed successful higher-level microprogramming language seemed unlikely. At the same time, other members of were describing what they termed "A Microprogram Compiler". Meanwhile, hardware and software designers, equally oblivious each other, generating useful powerful languages assist them in their work. reader will see, stage had been set for development higher-level, machine-independent be used task writing microprograms.