/* 這是調用max7219匯編程序（Nm7219.ASM ）的C51程序,        */
/* 文件名CALL7219.c。                                       */
/* 功能：本程序主要是將顯示緩沖區的8位數在LED上顯示出來，   */
/* 顯示緩沖區為單片機的RAM區的40H,41HH,...47H連續的8個字節  */

#include <reg51.h>
#include <absacc.h>
#define uchar unsigned char
#define uint unsigned int

void delay1(uint x);
void timedelay(uint timess);
extern uchar chai7;
extern uchar a_func7(uchar);

void timedelay(uint timess)
{
 uint tj;
 for (tj=timess;tj>0;tj--){;}
}

void delay1(uint x)
{
 uchar tw;
 while (x-->0){
 for (tw=0;tw<125;tw++){;}
 }
}
void main()
{
      timedelay(10000);
      delay1(1);
      EA=0;
      DBYTE[0x40]=0x06;
      DBYTE[0x41]=0x02;
      DBYTE[0x42]=0x09;
      DBYTE[0x43]=0x05;
      DBYTE[0x44]=0x01;
      DBYTE[0x45]=0x04;
      DBYTE[0x46]=0x01;
      DBYTE[0x47]=0x83;
      chai7=a_func7(0x00);
      while(1);
}