+1 to pdp11. The workhorse of the 1970's. They were everywhere. City Library. Auto parts stores. And reliable; Maytag ain't got nothing on a pdp 11. Downside

+1 to pdp11. The workhorse of the 1970's. They were everywhere. City Library. Auto parts stores. And reliable; Maytag ain't got nothing on a pdp 11. Downside, programs are pretty simple that run in 64k. And extended addressing in any form, sucks.