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

To the naive observer, slowing the CPU down 30% to draw the screen is a flaw. To the systems engineer, it is genius.

Memory Arbiter / Contention Unit

To the naive observer, slowing the CPU down 30% to draw the screen is a flaw. To the systems engineer, it is genius.

Memory Arbiter / Contention Unit