In about 1978 I designed my own keyboard. The unique feature it had was that the key positions were used as address lines into a ROM, and I was free to assign a

In about 1978 I designed my own keyboard. The unique feature it had was that the key positions were used as address lines into a ROM, and I was free to assign any character to any key I wanted. Shift/Ctrl weren't required to be at all related to the base character. Today we take it for granted, but back then it was radical.