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- Fri Oct 31, 2014 8:04 am
- Forum: Games
- Topic: Space Invaders (Midway)
- Replies: 5
- Views: 14204
Re: Space Invaders (Midway)
A last thing to know : If none of the Joystick switches is actuated, then the six inputs will be at logic state 1. It means that when a switch is actuated, the logic status of the corresponding input changes to 0. To know the status of the JS you just have to read the port A of VIA. (LDA$301) My JS ...