I don't recall which of the Atari cart game did this (might've been Combat) rather than using space for storing sound effects the game would refer to its own c

I don't recall which of the Atari cart game did this (might've been Combat) rather than using space for storing sound effects the game would refer to its own code in memory for a random noise sound effect. So true that back in the day much of a game programmers mental effort was spent on how to make big ideas fit inside small memory, anemic color palettes, and slow processors.