Why? Because one engineer, armed with a logic analyzer and a Ferranti databook, looked at the problem of building a color computer for the working class and said: "I don't need a million transistors. I need 1,000 gates, configured perfectly."

"If a function can be done in software, do it in software. If it saves a chip to do it in hardware, do it in the ULA."

But underneath its rubbery keyboard and distinctive rainbow stripe lies a feat of minimalist engineering that still teaches lessons to modern hardware designers. At the heart of the machine lies a single, mysterious chip: the .

The Zx Spectrum Ula- How To Design A Microcomputer -zx Design Retro Computer- -

Why? Because one engineer, armed with a logic analyzer and a Ferranti databook, looked at the problem of building a color computer for the working class and said: "I don't need a million transistors. I need 1,000 gates, configured perfectly."

"If a function can be done in software, do it in software. If it saves a chip to do it in hardware, do it in the ULA." Why? Because one engineer

But underneath its rubbery keyboard and distinctive rainbow stripe lies a feat of minimalist engineering that still teaches lessons to modern hardware designers. At the heart of the machine lies a single, mysterious chip: the . mysterious chip: the .

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