VT101 8085 CPU Fault

Diane Bruce db at db.net
Mon Jan 19 15:28:42 CST 2015


On Mon, Jan 19, 2015 at 08:48:04PM -0000, Robert Jarratt wrote:
> 
> 
> > -----Original Message-----
> > From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of sandy
> > hamlet
> > Sent: 19 January 2015 19:38
> > To: General Discussion: On-Topic and Off-Topic Posts
> > Subject: Re: VT101 8085 CPU Fault
> > 
...
> > might have two devices trying to access the same line at the same time.
> > Devices on the same line may include a ram, rom, I/O ports, etc.
> > This could cause the processor to "hang up" and act erratic.
> > A schematic of the board would be helpfull if you have one.

Something like
https://archive.org/details/bitsavers_decterminachematicFeb82_6949589 ?

Diane
-- 
- db at FreeBSD.org db at db.net http://www.db.net/~db


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