Port 4 data register (p4dat), Port 4 control register (p4cr) byte write, Bi-directional port 6 – Rainbow Electronics ATAR862-3 User Manual

Port 4 data register (p4dat), Port 4 control register (p4cr) byte write, Bi-directional port 6 | Atar862-3 | Rainbow Electronics ATAR862-3 User Manual | Page 38 / 105