The Zx Spectrum Ula- How To Design A: Microcomputer -zx Design Retro Computer- Exclusive
The ZX Spectrum 48K features 16KB of Read-Only Memory (ROM) and 48KB of Random-Access Memory (RAM). Crucially, the RAM is split into two blocks:
Translate the original video signals into VGA or HDMI using an FPGA. The ZX Spectrum 48K features 16KB of Read-Only