Homebuilt TTL and transistor CPUs
dwight.elvey at amd.com
Wed Jan 4 15:50:49 CST 2006
>From: "Chuck Guzis" <cclist at sydex.com>
>On 1/4/2006 at 11:29 AM Dwight Elvey wrote:
>> If it was some IP you bought or got from someone else,
>>I don't think it would qualify. If you did the work your
>>self, then it is valid.
>> Think in terms of:
>> I build my PC by plugging these cards in.
>> I build my cpu using FPGA for my alu and instruction
>> decoder. I used my own MISC instruction set.
>Okay, so where does "I put together the logic (or used an FPGA) but
>implemented someone else's instruction set (e.g. PDP-11, VAX, 6502, Z80,
>etc.) fit in?
I'd consider that to be home built. Just as the EPROM alu
that he used on the 6502 was homebuilt.
Still, it is much more fun to think about your own processor.
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