Re: DECstation 5000/200 timekeeping

[David Brownlee <abs%netbsd.org@localhost>]

On Tue, 26 Oct 2021 at 19:30, Mouse <mouse%rodents-montreal.org@localhost> wrote:
> How complicated is turbochannel from a hardware designer's perspective?
> Or is that not publicly known?  I'm wondering if it'd be practical to
> build a TC board providing proper clock capabilities.  Even if just a
> sampleable free-running counter, once calibrated that could substitute
> for the cycle counter the r3k apparently lacks.

There is prior art for building a TC board with a basic CPLD to act as
glue http://www.flxd.de/tc-usb/

David