From: Tony Williams 

My pleasure. Your question brought back a lot of memories.

--
Tony

Joe Barr wrote:
> Fascinating!  Thanks, Tony.
>
> On Wed, 30 Oct 2002 21:57:35 +0000, Tony Williams wrote:
>
>
>>Joe Barr wrote:
>>[snip]
>>
>>>Anybody know what they use onboard for that kind of stuff in the F1 cars?
>>>
>>
>>I don't know about these days, but Ford used to use an in-house OS
>>running on an Intel 8061 clocked at about 20MHz with 42K of program
>>memory. The 8061 was a custom CPU produced only for Ford. Basically an
>>8051 with some extra A/D and D/A converters and a fancy hardware
>>interrupt scheduler.
>>
>>The F1 build was based on the standard EFI code you'd in in a family
>>saloon but heavily modified at the code level (as opposed to the
>>after-market chips you can buy which only have tweaked engine map data).
>>
>>As well as running the engine the same EEC-IV unit provided at least
>>some of the telemetry, but I don't know what other monitoring systems
>>they had on board.
>>
>>The whole system was written in assembler and we used to
>>laugh at the idea of using a high level language. The hardware we had at
>>the time (mid '80s) just couldn't have handled the
overhead.
>>
>>Anyone got some more up to date info?
>
>

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