ZX Spectrum – Interesting Features and Details

The Spectrum utilizes a Zilog Z80 A CPU running at 3.5MHz (or NEC D780C 1 clone).  The Spectrums original model featured 16KB (16×1025 bytes) of ROM plus 16 KB or 48 KB of RAM.  Richard Altwasser of Sinclair Research was the hardware designer, while Rick Dickinson, Sinclair’s industrial designer, designed the external appearance. The video … Continue reading ZX Spectrum – Interesting Features and Details