Interaction between /dev/par and /dev/ser
Mike "Ford" Ditto
ford at amix.commodore.com
Tue May 14 11:48:20 AEST 1991
rhealey at digibd.com (Rob Healey) writes:
>
> Is there some sort of incestuous relationship betwixed /dev/par and
> /dev/ser?
There's not supposed to be, but there was a bug...
> As an aside, WHY do the two devices interact and is this quirk
> fixed in 2.0 like all the other annoying 1.1 problems?
As Randell speculated, some extra bits were being written to a CIA
register. As I recall, the whole byte was being written when only 3
bits needed to be changed.
-=] Ford [=-
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