O/S design & implementation - was Re: FPGA tricks - Re: using new technology on old machines

[Toby Thain]

On 2015-06-15 12:18 PM, ben wrote:
> On 6/15/2015 9:08 AM, Toby Thain wrote:
>> On 2015-06-15 9:35 AM, Dave G4UGM wrote:
>>> I don't think it is over kill. If you want over kill try this:-
>>>
>>> https://www.youtube.com/watch?v=ALXax3Gydl8
>>>
>>> and FPGA implementation of the Baby or SSEM which had 32x32 bits of
>> RAM. The implementation uses around 1% of the Spartan 3E 1200K gates,
>> and that includes the logic to generate the VGA which is around 50% of
>> the circuit. I expect to get it on a 100K gate chip but that’s still
>> over-kill.
>>>
>>
>> Speaking of VGA, you might like this:
>>
>> http://www.fpgarelated.com/showarticle/42.php
>>
>> --Toby
>>
>
> But alas the software does *not* support the older chips.
> You want to make a mod 5 years down the road, sorry we do not
> support that model any more. TTL needs to  be stock piled
> now for the next +50 years.
> I finally got 18 bit FPGA computer (DE1) design I like, that
> is early 70's speed. 1.5 us core. What I am having problems
> is finding a good book on Operating Systems from that Era
> that is online, any one know a good book? I have software
> that I need to write.

I think Tanenbaum should be fine? A lot of it is fairly timeless.

https://archive.org/details/OperatingSystemsDesignImplementation

--Toby

> Ben.
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