Opcode: Difference between revisions

Revision as of 00:32, 21 June 2005

Revision as of 00:45, 21 June 2005

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Microprocessors perform operations using binary bits (on/off/1or0).

Eight bits is equal to a byte (on most modern processors), and two bytes is equal to a word.

As an example let's design a crude 4-bit microprocessor.

All registers, ALUs, counters, and addresses have a data path of 4-bit widebits.

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