Re: Could you make a 'new', 'better' computer from the C64 just by reprogramming the PLA?

From: Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de>
Date: Thu, 4 Nov 2021 17:46:01 +0100
Message-ID: <10832910-e0bc-ba0e-99f5-1212366d4c11_at_laosinh.s.bawue.de>
On 11/4/21 5:05 PM, Jim Brain wrote:
> 
> Oh, no argument there, but at Commodore, cost alone drove the 
> discussion, not features (or too many of them). if they could get great 
> yields out and not have to buy outside, the vertical integration could 
> yield significant cost savings.  So, the fact they used the 2114 in the 
> 64 and the newer PETs suggests they were sourcing 2114s cheaper than it 
> cost CBM to manufacture 6550s combined with the opportunity cost of 
> tying up their fab space for that IC in lieu of using it for other ICs.

As far as I know, they also bought a RAM design from Micron, got junk, 
Micron admitted that it didn't work for them either, got sued and that 
was about the end of MOS making RAM.

  Gerrit
Received on 2021-11-04 18:01:03

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