On 26/05/2010 20:14, Xiao Xu wrote:
> PIC 84 microprocessors have instruction sets that are 14 bits long,
> but there are only 35 instructions.
> So wouldn't it be more efficient to make each the instruction sets 6
> bits, then you can represent 2^6=64 instructions, which is more than
> you need.
> What's the point of the 8 extra bits?

The arguments are part of the instruction, therefore more bits are 
needed than just the actual opcode itself.

David
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