A 4 color VGA bitmap driver that runs on one cog. The code has been fully optimized with a super simple spin interface for maximum speed and is also fully commented.

Provides full support for:

Building a display driver library ontop of this code.
Flexible resolutions, 192 different resolutions are supported.

Clearing the display to any pattern.
Changing the four colors of the display.

Enabling or disabling video display output.
Synchronizing with the display vertical refresh.

Ploting pixels on screen code.
Ploting characters on screen code.