FPGA VAX update, now DIY TTL computers

Chuck Guzis cclist at sydex.com
Thu Nov 3 17:22:03 CST 2005


On 11/3/2005 at 7:53 PM ard at p850ug1.demon.co.uk wrote:

>There was a hrrible thing called fake parity memory. It stored 8 bits and 
>calaculted the parity bit on a read (ignored the incoming parity bit on a 
>write) to keep the memory controller happy. Of course you can't store 9 
>bits in that type of device.

Of course you can, as long as the bits you're storing agree with the parity
of the 8 bits...

:)



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