Unlimited lives:

Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 4866,173 

Unlimited lives (alternate):

Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 4739,173 

Invincibility:

Load or reset the game, then execute the following BASIC commands before running or restarting the program. 

POKE 4679,173

POKE 63757,96 

Unlimited time:

Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 4933,173