Instruction decoder definition

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The Instruction Decoder reads the next instruction in from memory, and sends the component pieces of that instruction to the necessary destinations. In any macro-assembler I have ever encountered, it is easy to define a pseudo-opcode to emit any stream of bytes you wish into the instruction stream. So youThe instruction decoder is the circuit that decodes an opcode. Obviously, since each instruction has a different opcode, meaning a different combination An instruction decoder is one of those logic-type circuits. It interprets the instruction that is presented and sets the corresponding tasks into motion. The instruction decoder of a processor is a combinatorial circuit sometimes in the form of a read-only memory, sometimes in the form of an ordinary