C64 BASIC: Game Map Overhead Camera View
Hacker News (AI keywords)·13 days ago·Tutorial
The article explains how to separate world coordinates from a visible viewport in a C64 BASIC game.
It starts with a naive 11-by-11 camera slice rendered from a larger map, keeping the player centered where possible.
It then improves performance with lookup tables, a flattened map array, loop unrolling, and notes on further retro-system optimizations.
