VHDL 的testbench 编写风格及技巧，有助利用modelsim做仿真，一看就会！-The testbench VHDL writing style and skills will help make using modelsim simulation, a look will be!

stepper motor controller vhdl and verilog code is given with explainintion testbench in verilog quartus and modelsim implementation is also awailable -stepper motor controller vhdl and verilog code is given with explainintion testbench in verilog qu