the biggest reason is that draw commands of the same color can be space efficient. another is that the NES had to deal with 56 colors while modern images use 8 bits per color channel (RGB) meannig it has to store a lot more data it doesnt necessarily need.
the biggest reason is that draw commands of the same color can be space efficient. another is that the NES had to deal with 56 colors while modern images use 8 bits per color channel (RGB) meannig it has to store a lot more data it doesnt necessarily need.
Kind of. The NES also used cell-based graphics and reusable tilemaps, which I think the 8 bit guy made a video about.
https://www.youtube.com/watch?v=Tfh0ytz8S0k