Dave 506db36ed8 Fixed multiple problems with OSI interface
- off-by-one connections to keyboard connector
- wrong demultiplexing of select signals
- 2OE on 74LS240 was not inverted, resulting in wrong circuit.
- use pre-jumpered row diodes.
- fixed off-grid errors on schematic
2023-11-11 17:51:33 -06:00
..
2020-03-16 13:35:41 -05:00
2020-12-29 17:11:50 -06:00