The Zx Spectrum Ula How To Design A Microcomputer Zx Design Retro Computer Portable Free Jun 2026

Here’s a for a retro-inspired portable microcomputer based on the ZX Spectrum ULA design philosophy:

For beginners, an RP2040-based emulated version is faster to prototype. But for the true “design a microcomputer” experience—understanding contention, video timing, and memory arbitration—an FPGA ULA is the definitive modern method. Here’s a for a retro-inspired portable microcomputer based