> On 2019-08-26, at 23:24, Mia Magnusson <mia_at_plea.se> wrote: > >> It might be easier to do what Commodore has done in the 1570/71 and >> use an additional 6526 just for the shift register. Then borrow the >> code from the 1571. > > That would most likely be the solution that requires the least amount > of work to get it up and running. > > Captain Obvious says that the con is of course that it needs a CIA. For > a one-off or general DIY project that might not be a problem, but if > someone were to order a bunch of PCBs and sell either as a complete kit > or ready-built thing it might be troublesome to source CIAs. Pulling a CIA's shift register off a PLD would be Captain Obvious next advice ;-) -- SD!Received on 2020-05-29 22:57:41
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