Computer Basics. Datapath Operations The Register File.

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Presentation transcript:

Computer Basics

Datapath Operations

The Register File

Bit Level view of the Register File

The Arithmatic Logic Unit (ALU)

Memory Local and Main

Instructions and Datapath for Register-to-Register Operations

Instructions and Datapath for Store Operation SW R4, 0X4385

Instructions and Datapath for Load Operation LW R21, 0X23A9

Variations in Instruction sets & Datapaths

Datapath for sw R2, 4(R30) operation Say, [R30]=4500 [R2] =3245 values are in decimal

Enhancement of Instruction set SHL R14, R8, 3 shift left the content of R8 by 3 and place in R14 SHR R2,R27, 2 shift right the content of R27 by 2 and place in R2

Source A First Course in Digital Systems Design - An Integrated Approach by John P. Uyemura Brooks/Cole Publishing Company, (required)