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Chapter Two Historical Evolution of Microprogramming
PART TWO MICROPROGRAMMING HARDWARE
12 other sections not shown
A-bus algorithm architecture arithmetic basic command compiler condition contains contents control memory control store control unit COOE cycle D-bus emulator example execution Fetch field Figure file register designated firmware flip-flop format hardware HIGH BYTE high-level language host I/O device incremented input instruction set interrupt jump function K-bus loaded logic low byte machine instruction machine language main memory memory address memory location micro microassembler microcode microcommands Microdata 1600 Microdata Corporation microfunction microinstruction microoperations microprogram microprogram memory Microprogrammed Implementation Nova opcode operand operating system optimization output parameter performed permission of Microdata pointer processor program counter read-only memory REAO reset result routine selected sequence shown in Fig Skip specified stack storage subroutine T-register tion transfer virtual word Workshop on Microprogramming XMAP XMAS language zero