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 management. M1 card, TI card, CPU card processing code to read and write