The C-One, designed by Jeri Ellsworth, a self-taught designer, was initially created in 2002 as an enhanced Commodore 64, but has been reengineered to allow cloning of other 8-bit computers. It uses FPGA chips to recreate the hardware of old computers -- not merely an emulator, the C-One uses core files loaded from disk to configure the hardware. In 2004 the platform was expanded to include an Amstrad CPC core by Tobias Gubener. The boards were produced by Individual Computers and currently sell for 269.