因为“飞思卡尔”S12单片机不支持Printf()函数，要想输出还得自己编写输出函数。所以我给大家提供一个Printp90函数吧！-Since " Freescale"　S12 does not support single-chip Printf () function, in order to prepare the output will have its own output function. So everyone give me a function Printp90 it!