Bay Route
From Sega Retro
This teeny-tiny article needs some work. You can help us by expanding it.
Bay Route is a 1989 run-and-gun game for the Sega System 16B by Sega and Sunsoft. You play as a guy with an arm cannon that can switch between several weapons with one button, aim with 
and 
, and shoot with another button. A third button jumps.