PICO-8 uses lua and has strictly specified resource constraints (fix sized palette maps). This is a clever little hack to save space which is already artificia

PICO-8 uses lua and has strictly specified resource constraints (fix sized palette maps). This is a clever little hack to save space which is already artificially constrained. Part of the fantasy console concept is to pick constraints like token counts in code being limited and sprite memory limits. These limits make finding ways around them fun and sometimes requires creativity like this compression scheme which needs to fit within the limited code space.