The Zx Spectrum Ula How To Design A Microcomputer Zx Design Retro — Computer Portable !!link!!

Richard wasn’t just a hobbyist; he was a dreamer who wanted to shrink the power of Clive Sinclair's masterpiece into something that could fit in a coat pocket. To do it, he had to master the "Black Box" at the heart of the machine: the Uncommitted Logic Array (ULA) The Secret Heart

This limitation caused "attribute clash"—the famous visual artifact where moving characters would change color based on the background grid. Designing a Modern, Portable ZX Spectrum Clone Richard wasn’t just a hobbyist; he was a