A dual port register file is a typical element of a CPU design.
This project implements a simple version of that.
There is set of 16 4-bit registers that can be read and written. It allows 2 simultaneous reads, hence the "dual port". It is typical of many CPU architectures to allow two registers to be accessed in a single instruction, hence the usefulness of this kind of specialized memory.
16x4 bit dual port register file, with dual read ports and a single write port - perfect for the heart of a 4-bit CPU!