这是一个用VHDL语言编写的较全面的出租车计费系统，可以实现计费，显示时间，所走路程以及停车时间的显示，算法相对复杂，但可移植性很强，占用逻辑资源相对较少-This is a VHDL language with a more comprehensive taxi billing system, can achieve billing, display time, the walking distance and the stopping time display, the algorithm is relatively complex, but highly portable, take a relatively logical resources less