25 Feb
2008
25 Feb
'08
9:25 a.m.
David Griffith wrote:
On Mon, 25 Feb 2008, Roy J. Tellason wrote:
Too bad my plan to make a CPU from TTL isn't
anywhere near the stage to
go sourcing parts.
Get switches and hardware while you can.
I am building a 20 bit cpu rather than a 12/24 bit cpu since all I have are
21 toggle switches and 6 momontary ones.
Even using MSI but no ROM a TTL computer uses a lot of chips and
board space.