Quick Guide

This guide is a quick introduction to using the Microtan system and assumes that you are already familiar with writing 6502 assembler code. The linked technical-reference pages provide the detailed information that followed this introduction on the original site.

Version 1.0 — 6 June 2000

1. Memory map — the system’s memory areas and their functions.
2. System variables — TANBUG monitor addresses.
3. Display format — how the display is formed in text and chunky-graphics modes.
4. Character sets — tables of ASCII and chunky-graphics characters.
5. Useful monitor subroutines — TANBUG routines that may be useful in programs.
6. Monitor commands — TANBUG and XBUG command descriptions.