//範例7-8C:4×4鍵盤掃描輸入,將鍵值顯示在七段顯示器上
//檔名ch7C_8.c

#include "KB44.h"
unsigned char code seg7[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,
                      0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e} ;
main()
{
   unsigned char kbin;                   // 鍵盤輸入值    
   P0= seg7[0] ;              // 輸出LED初始值
   while(1){
      kbin=kbscan();
     if(kbin!=0xff)
          P0=seg7[kbin];          // 將輸入的鍵值直接顯示在LED 
   }// end while
}//end maim