FPGA VAX update, now DIY TTL computers

[Chuck Guzis]

On 11/11/2005 at 4:14 PM woodelf wrote:

>I got playing around with 74xx logic and the best I can do for my CPU
>design
>is  about 36 chips for a two bit slice.  Now who sells 3-input NAND's 
>and Gated
>J/K  F/F's  cheap like they did  in the 70's?  And lots and lots of 14 
>pin Socket

You can't get much cheaper than plain scavenging from old boards.  Get your
torch out!

Ebay occasionally has  large wirewrap prototyping boards up for auction.
That might be just the ticket.eg.,

http://cgi.ebay.com/AUGAT-72-Pin-Gold-Wire-Wrap-Card-Breadboard_W0QQitemZ756
2252605QQcategoryZ4660QQrdZ1QQcmdZViewItem

Cheers,
Chuck