Emerson PS/2 Library
This is a project to interface AT and PS/2 protocol peripherals (keyboard and mouse) to the TI-83 Plus series calculator.
The electrical interface between a PC and an AT or PS/2 device is very similar to that provided by the calculator's link port, so all an adapter needs to do is provide power to the peripheral and convert the DIN socket connection to a 2.5mm mini stereo jack plug.
The following video clips were recorded using the latest demo. Each is under a megabyte and is a WMV file.
These clips are from an older demo, and are also about a megabyte and WMV.
The following are listed in reverse date order, newest releases first.
- Combined keyboard, mouse and terminal demo with keyboard layout editor (22nd September 2006). Can be used to experiment with the AT protocol; detect device type; view keyboard scancodes or handle text input; poll mouse coordinates, or sketch with the mouse. Comes with source.
- Mouse demo and AT terminal (24th February 2006). Displays a mouse icon (with button state) and scrolling changes the contrast. The AT terminal can be used to experiment with AT protocol devices.
- Mouse demo (22nd February 2006). Displays a mouse icon (with button state) and scrolling changes the contrast. Earlier version of the above.
- Individual keyboard and mouse demos (21st February 2006). Move a sprite with the keyboard, or move a mouse cursor on the screen.
A miniature laptop mouse.
Close-up of a sample adapter with 5V regulator.
Kerm Martian took it a step further and built a PS/2 port directly into his calculator.