[Coco] 6309

[Juan Castro]

No, that's just for arithmetic. The chip has only 16 address lines, just
like the 6809.
Em 07/10/2012 19:34, "mike delyea" <mdelyea at gmail.com> escreveu:

> I was just reading up on the 6309 and noticed that it can merge the D and W
> accumulators into a 64 bit Q accumulator.
> I'm familiar with using the A and B accumulators to make up the 16 bit D.
> Does the Q accumulator mean the 6309 can address 32 bit memory?
> That would mean 4gb of address space for memory (minus the OS ROMs).  Also,
> is it even practical for an 2mhz CPU to address that much memory
> assuming CAS/RAS?
>
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