Opcode: Difference between revisions

Revision as of 19:45, 8 June 2005

Revision as of 14:18, 18 June 2005

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Four bits is equal to a byte, and two bytes is equal to a word.

asAs an example letslet's design a crude 4-bit microprocessor.

allAll registers/ALU/counter/address, ALUs, counters, and addresses have a data path of 4-bit wide.

andAlso, all of our instructions must fit in a 3-bit address.

theseThese are the

op-codes mnemonic operations explanation

000 ADD add A to B and store in b

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the desired operations are performed..

thisThis is a better explanation then whats below..cleanUpLater..