6502/65c02 timing about jace HOT 2 CLOSED

Be able to switch between 6502 and 65C02 will be a nice feature. But not only for timing but also for OPCODES!.

(and why not later, support "exotic" CPU from 6502 family)

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Right now the way that the CPU class is structured using enumeration, it would be hard to make a class that neatly provides a 6502 abstraction and then a subsequent sub-class for 65c02, 65sc02, etc. The issue I would run into is that I wrote it to be fast with the least amount of syntax (for java) and this would require either an expansion of the code to support cleanly, or perhaps a lot of duplication across classes. I like the idea though but I might make a separate issue for breaking out the 65c02 class into smaller classes since it's already quite large as it is with many nested sub-classes to support things like commands and addressing modes.

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