Up to this point I've shown comparisons of the new vs old MC-10 ROM. This video demonstrates the difference in speed between the CoCo 3 running at double speed vs the MC-10 with the new ROM. This is the difference the hardware multiply makes, along with a better implementation of the interpreter. The CoCo 3 will show a greater difference on non-math oriented programs, but this provides a rather interesting comparison. If I were to replace the MC-10's Motorola 6803 with a Hitachi 6303, and if it provided even a 10% speed increase, the MC-10 would win in this comparison. The 6309 provides at least a 20% speedup over the 6809 so that is a very real possibility.
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