#include /* common defines and macros */
#include /* derivative information */
#pragma LINK_INFO DERIVATIVE "mc9s12dg128b"
extern char c;
void putchar(char c) {
SCI0CR2=0X0C; //初始化串行口//
SCI0BDH=0X00;
SCI0BDL=0X9C;
while((SCI0SR1&0X80)==0); //串口为空，输出数据//
SCI0DRL=c;}
void main(void) {
c=0x42;
putchar(c); //显示一个字符//
for(;;);
}
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