Port a 1990 ASCII dungeon crawler to the browser

Read the Pascal, understand the game loop, and reimplement it in TypeScript — not a line-by-line transliteration

Render the ASCII map with a fixed-width grid and the original colours

Keyboard controls as in the original, plus touch controls

Save and load in local storage

Fix the two bugs noted in the original's README without changing the balance

A "how I ported it" page explaining one non-obvious decision

Requirements