Programming ROMs (Acorn BBC Micro) Updated Apr 18, 2026 · 3 min read · Support · 0 viewing 🔥 Most active page right now Previous 1770 Floppy Upgrade (Acorn BBC Micro) If your floppy interface on the BBC Micro is using the 8271 you can only load 40 track disks. There ... Next 📄 Single Beep _ Cursor (Acorn BBC Micro) If you turn on your Beeb and get a single 1 second low beep but no the following high beep, this is ...