led8cok.c

这是HOLTEK HT 48系列单片机应用实例

unsigned char _pac @ 0x13;
unsigned char _pa  @ 0x12;
void delay()
{unsigned int i;  for(i=0;i<200;i++);}
void main()
{
 _pac = 0; //set port A controller
 while(1)
 {
  _pa = 0xf0; 
  delay();
  _pa = 0x0f; 
  delay();
 }
}