ajp166 wrote:
Core is one of the few destructive readout memories used. So every
read has a following write to restore the data, often between data
read there will be a modify cycle which means new data written back.
I know that. That is why the early memory chips had separate in/out pins
to emulate core memory. Everything nowadays tends to be 8 bits with
tri-state
I/O ( Grumbles here as he has a 12 bit computer and has to waste 4 bits
out of 16 )
BTW - some say the best way to cook a fish is in the dishwasher.
--
Ben Franchuk --- Pre-historic Cpu's --
www.jetnet.ab.ca/users/bfranchuk/index.html