That isn't Tecmo Bowl, it is Tecmo Super Bowl. Here's how:
1. The music, that song is ingrained in my memory forever.
2. 8 Offensive Plays that include the players names, Tecmo Bowl had just 4 and there was only 1 running play that had Bo Jackson.
3. Tecmo Bowl showed the players stats for the previous year under their player name while playing the game itself.
4. The NFL logo-Tecmo Bowl had the Players License, but not the NFL license so the teams were only knowns as New York, San Francisco, Miami, Cleveland Etc...