* 64KB base + 256KB extra RAM (e.g. Dk'Tronics 256KB RAM Expansion)
* 64KB base + 512KB extra RAM (e.g. Dk'Tronics 256KB RAM Expansion & Dk'Tronics 256KB Silicon Disk OR X-MEM OR Symbiface 2 OR other device which provides 512KB)
3. JavaCPC uses e0-ff to store an emulator ID (see snapshot V3 for more details)
= Changes and additions in Version 3 from Version 2 =