Acorn BBC Microcomputer System User Guide

About this manual

This guide begins with essential safety information, wiring colour codes and plug‑fitting instructions for the BBC Microcomputer. It also lists the part number (0433 000) and recommended 3 A ASTA‑approved fuse.

The remainder of the manual covers getting started with the machine, using the keyboard, BASIC commands, variables, graphics, sound and file handling on cassette. Detailed chapters explain program structure, error handling and advanced features such as shadow screen mode and custom graphics.

What's inside

• Introduction
• Safety and Wiring
• Getting Started
• Keyboard and Commands
• Variables and Programs
• Graphics and Sound
• Cassette File Handling
• Advanced BASIC Features
• Reference Section

Specifications

Frequently asked questions

What colour wire is the earth (ground) connection?

The earth wire is coloured green and yellow.

What fuse rating should be used if the fuse blows?

Replace it with a 3 amp fuse that is ASTA‑approved to BS1362.

What is the part number of this manual?

The manual’s part number is 0433 000.

Which company produced the BBC Microcomputer?

Acorn Computers Limited produced the BBC Microcomputer.