Re: Fluke 9010a 68000 Pod Eprom TestingonOutrun- help please !!

Mike Coates wrote:
> If a 68000 system uses 8 bit roms then they will be interleaved in the
> memory map, hence generating the rom signature for just the 8 bit rom
> on it's own is not going to match.
>
> I guess it either uses a different algorithm, or you need to
> interleave the two roms, and generate the checksum for the new double
> sided rom.
>
> biggest pain I found with the Fluke pod is that you can only do 16 bit
> read/writes - I had some hardware that had a custom chip that
> processed 32 bit writes, so had to 'poke' some machine code in to ram
> and call that to do the job.
>

Hey, the machine runs on a Z80!

It was designed in the mid to late 70s after all...8-bits was king, 16
and 32 bits were minis or supercomputers.

John ;-#)#
> On 09/06/2010 21:29, Colin Davies wrote:
>> OK... That kind of makes sense.....When I get my pod pluged into the
>> working board again (once I've fixed the header) , I'll try to do some
>> homework !!!
>>
>> eg.... read location 0000 in.... and see if its 16 bits and the pair of
>> 8 bits matches the first bytes of both roms :-)
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