character grid + attribute bytes) to generate a PAL or NTSC signal, controlling the border color. It scans the
The ZX Spectrum's ULA, designed by Ferranti Electronics, played a crucial role in the machine's overall architecture. It was responsible for controlling many of the computer's functions, including the memory management, video output, and input/output operations. character grid + attribute bytes) to generate a
: Ferranti manufactured chips containing a pre-fabricated matrix of uncommitted logic gates on the lower metal layers. designed by Ferranti Electronics