The VON unit is a fully functional interactive CPU meant to display every interact process of a CPU. Its purpose is to educate students who are curious about the inner workings of a CPU. The VON unit includes a full blown schematic, Assembly language and a assembler. As the CPU is open and interactive, one can reprogram it’s Control unit decoder system to expand or recreate the instruction set. The VON unit includes features such as serial communication, a Stack, an ALU, index registers, IRQ handling and a fully re-programmable instruction set.
Please see Documentation