VHDL语言设计的出租车计费器，能模拟汽车启动、停止、暂停、车速等状态，能预置起步费、每公里收费、车行加费里程，能实现计费功能。功能强大，初学者适合看一看。-VHDL language design taxi billing, and can simulate the vehicle to start, stop, pause, speed, etc., and to preset the initial charges, fees a