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

From: smf <smf_at_null.net>
Date: Sat, 18 Jun 2022 21:04:12 +0100
Message-ID: <24bd12cf-8466-2da9-dd4b-acc9025eee70_at_null.net>
I suspect you'd need some kind of programmable logic (like a cpld or
fpga) to cope with the timing requirements, plus some kind of
microcontroller with built in usb/ethernet/wifi etc to talk to act as a
bridge between the pc and the cpld.

On 18/06/2022 16:48, tokafondo_at_tokafondo.name wrote:
> For proper DMA, there are at least 24 lines for the address and data
> buses, and there are also the lines of PHI2, /DMA, RW and BA lines
> that need to be taken care of, AFAIK.
> What device can be used to control 28 bits from a PC?
Received on 2022-06-18 23:00:04

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