Re: 6551 driver questions

From: Andre Fachat (
Date: 2003-08-24 16:33:20

On Sun, Aug 24, 2003 at 12:28:43PM +0200, Ullrich von Bassewitz wrote:
> > IIRC I never used the ACIA with the NMI, only with the IRQ.
> > But even then I had- with my GeckOS - latency problems when
> > receiving bytes, i.e. due to the missing buffer the CPU was not
> > quick enough draining the received bytes, so they were lost.
> This depends on the baudrate. The B machines have a maximum baud rate of

- or on the latency. Switching between tasks/threads in GeckOS
was simply taking too much time to use more than IIRC 9600.


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