Add support for Voom! (Doom on Vectrex)

## Feature/Bug Fix

This is pretty straight forward and already has been compiled by @technobly and @rattboi, but there is an issue where the frame rate is slow and not consistent either.  Also some lines appear to be out of place where they should be.

Should be smooth like this: https://www.youtube.com/watch?v=VuVnoqFF3II