针对MC2008POS机，实现读写IC卡、打印、SAM卡认证、FLSH读写与存储、键盘输入、屏幕显示、电源管理。M1卡、TI卡、CPU卡进行读写处理的代码-For MC2008POS machine, to achieve reading and writing IC card, print, SAM card authentication, FLSH read and write and storage, keyboard input, screen display, power manage