Date   : Mon, 17 Jul 2006 13:42:28 +0100
From   : "Ian Wolstenholme" <BBCMailingList@...>
Subject: Re: 6502 copro diagnostics?

Maybe the tried and trusted method of plugging it into a Beeb
and seeing if the "Acorn 6502 Tube 64K" message comes up!!??

The Level 2 & Level 3 Econet file servers test the second processor
memory before starting, so that would check the RAM is working OK
and presumably if it passes, the Boot ROM & Tube host are working
OK too.

Best wishes,


Ian

----- Original Message -----
From: Jules Richardson
To:   bbc-micro@...
Sent:  Sun, 16 Jul 2006 17:32:24 +0000
Subject: [BBC-Micro] 6502 copro diagnostics?


Do such things exist? I've got a 6502 copro to go on ebay on behalf of 
Bletchley - it'd be nice to make sure it's properly tested first, though!

(failing official diags, has anyone written a RAM tester for them?)

cheers

Jules


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