Re: Emulator discrepancies (was DMA'ing in Commodore 64 for developing purposes.)

From: Michal Pleban <*lists_at_michau.name*> Date: Sat, 18 Jun 2022 23:40:26 +0200 Message-ID: <59fa5919-a6c4-419f-2df4-f2d24a508e43_at_michau.name> · lists_at_michau.name

tokafondo_at_tokafondo.name wrote on 18.06.2022 23:15:

> It seems there is a good candidate here for that:
> https://uk.pi-supply.com/products/ryanteck-rtk-gpio-pc-gpio-interface?lang=es
> This is a small board that adds 28 pins of gpio to any standard PC, controlled with the USB port.
> I counted 28 pins for DMA'ing into a Commodore 64. I'm surely wrong and there are more needed... or maybe I'm right and this is a way to do it.

I sincerely doubt that it would be fast enough to control all the 28 
pins with the speed required to do DMA transfer. I suspect it is using 
some kind of serial port to communicate, which will be awfully slow.

Regards,
Michau