Technical documentation

BASIC / Firmware / CP/M

• Technical information about Locomotive BASIC

Built-in connectors: pinout

• 2nd disc drive (CPC664, CPC6128, CPC6128+)
• Analogue joystick (CPC Plus only)
• Aux socket (CPC Plus only)
• Cassette recorder
• Digital joystick
• Expansion port
• Floppy
• Monitor
• Printer port
• Stereo sound
• Tape

Hardware extensions

• CPC Booster
• SYMBiFACE II

How to's

• Changing the drive belt
• A Guide to running software on a real CPC!
• Modify PC floppy drives to work on a CPC

Internal components

• Arnold_V_specs - Arnold V (CPC+) Technical Specification
• AY-3-8912 - Sound chip / keyboard controller
• Cassette data information - Information about the cassette storage system
• CRTC - Video chip
• Gate Array - Custom chip (frequency generation, colors, bank switching)
• I/O Port Summary - map of all known I/O ports of the CPC
• PIO - I/O controller
• Serial interface - how to use the DART and 8253 chips of an Amstrad-compatible serial interface

Specifications

• Disc formats
• List of file formats
• SGX (SymbOS graphic files)
• VID (SymbOS video files)