![]() ![]() The german 64'er magazine published a short tutorial that descibes how to plug the paddle wires into a potted plant's soil and read the input for generating "singing plant" sounds. There are also curious applications for using the control port. The paddle buttons are also attached to the keyboard matrix. Most games and programs make use of the Control port 2 as it is easier to handle - for example control port 1 joystick left direction is hardwired to the CTRL key and can cause trouble when scrolling out of the screen in basic programs scrolling slows down. This causes some trouble when the joystick is set to autofire random chars will be entered or when a joystick is stuck in one direction it can lock out certain keys. Internally the control ports are not read by dedicated inputs, instead they are attached to various points of the keyboard matrix, which goes to CIA 1. The connector itself is a 9 pin d-sub male, most devices of that time used this connector for plugging in joysticks. The Commodore 64 has two control ports on the rightmost side for attaching peripherial devices like joystickspaddlesmouselightpen or dedicated hardware like sound digitizers. ![]()
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