The Zx Spectrum Ula How To Design A Microcomputer Zx Design Retro Computer Portable |verified| -

Replacing a faulty original ULA or building a system from scratch is best achieved via programmable logic. Chris Smith's landmark book, The ZX Spectrum ULA: How to Design a Microcomputer , reverse-engineered the exact schematic of the chip. You can implement this logic using: Xilinx XC95144XL CPLD Go to product viewer dialog for this item.

Managing access to the lower 16KB of RAM between the CPU and the video display generator. Replacing a faulty original ULA or building a

If you are building a ZX Spectrum portable (often called a "ZX-clone" or handheld), you have two paths: you have two paths: