Currah
Currah was a British computer peripheral manufacturer, famous mainly for the speech synthesis ROM cartridges it designed for the ZX Spectrum, Commodore 64, and other 8-bit home computers of the 1980s. == Currah μSource for the ZX Spectrum == The Currah μSource, commonly referred to as the Microsource, from Quadhouse is a self-contained ROM cartridge with a full-function-two-pass macro assembler, Forth and a debugger, all of which can interact with BASIC. It is also compatible with Interface 1.