Cleanup and repository

A project log for Joy232

Print using RS232 on the joystick port of MSX computers

danjovicdanjovic 11/26/2016 at 15:120 Comments

I have made a cleanup in the code, eliminating the selection of the multiplex for PORTB which was useless for only writing to the joystick ports.

Restructured (slightly) the code by moving the instructions that select PSG register to the subroutine where they are used. Now the structure of the program follows the diagram below.