16-Bit CPU/Minicomputer Built from scratch with own C compiler and OS [video] 2 years ago
This is a full 16bit CPU and a minicomputer system built around it. The CPU has virtual memory, user and supervisor modes, 8 prioritized interrupts and DMA. The minicomputer has a real timer clock, parallel and serial ports, a floppy drive controller, and is connected to the internet. It has a unix like operating system and C compiler, both written from scratch.