What is the Verilog code for a 4-bit bi-directional shift register? - Quora
6.verilog Shift Register | PDF | Areas Of Computer Science | Digital Technology
Shift Registers Overview, Types, Truth table and Applications
Shift Registers in Digital Logic - GeeksforGeeks
Verilog Programming By Naresh Singh Dobal: Design of 4 Bit Serial IN - Parallel OUT Shift Register using D_flip flop (Structural Modeling Style) Verilog CODE.