VHDL实现cpu核心逻辑与运算单元模块的实现，完成4bit*4bit输入8bit输出的运算，可做加减乘除逻辑移位6种操作,the implementation of Arithmetic and logic unit based on VHDL, can do as the adder,subtractor,multiplier,divider,shifter and logic operation.

4-Bit Adder Subtractor Verilog Code. (Complete project)