there's another technique: define your own charset (a mapping of a char to a 8x8 pixel grid) and then render your image as an ascii screen in this charset. This

there's another technique: define your own charset (a mapping of a char to a 8x8 pixel grid) and then render your image as an ascii screen in this charset. This technique was used often on C64. It's also easy to do animations as the charset can be switched instantly. It does require a lot of preprocessing though.