Date : Tue, 18 Jul 2006 22:15:44 +0100
From : Sprow <info@...>
Subject: Re: 6502 copro diagnostics?
In article <44BB9ACA.8070302@...>,
Jules Richardson <julesrichardsonuk@...> wrote:
> Ian Wolstenholme wrote:
> > Maybe the tried and trusted method of plugging it into a Beeb
> > and seeing if the "Acorn 6502 Tube 64K" message comes up!!??
>
> Yes, that's an obvious first test (well, after validating PSU lines!) -
> but does the on-board firmware do a RAM test as part of startup?
Nope. It doesn't even size it (like the host BBC does, 16 or 32k), just
copies the ROM image into RAM and jumps with fingers crossed,
Sprow.