Port a 1990 ASCII dungeon crawler to the browser

The repo has the Pascal source of a small 1990 dungeon crawler. Make it run in a browser, faithfully, with the original's feel and none of its crashes.

Requirements

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

Bonus Points

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

gameporttypescriptretro

Intermediate

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