I bought a PC keyboard at the local thrift store and hooked it up to a 28x2. I have a speaker wired to c.4. The following program is loaded:
EEPROM $00,(22,22,22,22,22,22,22,22,22,22,22,22,22,10,11,22)
EEPROM $10,(22,22,22,22,22,8,9,22,22,22,22,22,22,6,7,22)
EEPROM...