The Control Unit. The Instruction Register The Instruction Formats The Register Type (R type) Fields AND RD, RS, RT -- #and(RS,RT) -> RD.

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Presentation transcript:

The Control Unit

The Instruction Register

The Instruction Formats The Register Type (R type) Fields AND RD, RS, RT -- #and(RS,RT) -> RD

The Instruction Formats Immediate type (I-type) Fields SW RT, 48(RS) -- #[RT] -> M[RS+48] LW RT, 100(RS) -- #M[RS+100] -> RT This is actually RD

The Instruction Formats Fields AND RD, RS, RT -- #and(RS,RT) -> RD SW RT, 48(RS) -- #[RT] -> M[RS+48] LW RT, 100(RS) -- #M[RS+100] -> RT This is actually RD

The Comparison of R and I-type Instruction Formats RD for Store Operation

General Wiring from the Instruction Register and Opcode Map

Wiring Diagram Control signals and the Datapath

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