65c22

If you want to ask questions about how the machine works, peculiar details, the differences between models, here it is !
How to program the oric hardware (VIA, FDC, ...) is also welcome.
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Silicebit.
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Re: 65c22

Post by Silicebit. » Sun Jun 02, 2019 2:53 pm

Hi Vyper68!

You can use the R65C22P2/3/4, the R65C22 is fully compatible with NMOS 6522 devices, The /IRQ output pin is an open-drain configuration, so no problem. :-)
Oric user since 1984. YouTube

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