Beavis and Butthead

D16C-0D0D       Start with half energy--1st life
D161-AF0D       Start with half energy--after 1st life
C22C-AF08       Almost infinite energy
7DA8-C7DC       Gun power-ups worth 30
D9A8-C7DC       Gun power-ups worth 5
C267-A70D       Infinite lives
DF6C-040D       Start with 2 life
D76C-040D       Start with 4 lives
DB6C-040D       Start with 10 lives
82EA-A4D1       1 hit and you're invincible
DDEA-AFA1 + DDA0-04A8   Everyone is invincible--including enemies