====== UEFI DEBUG METHOD ======

===== OUTPUT 80H 81H DEBUG CODE =====

輸出常數確認程式是否有執行
<code>
//DonRtest S+
    for(int i=0;i<800;i++)
    {
        for(int j=0;j<100;j++)
        {
            IoWrite8(0x81,0xAA);
            IoWrite8(0x80,0x55);
        }
    }       
//DonRtest E+
</code>

輸出8位元變數
<code>
//DonRtest S+
    UINT8  RegRead;         //DonRtest
    RegRead=MmioRead8(0xFE001020);
    for(int i=0;i<800;i++)
    {
       for(int j=0;j<100;j++)
       {
          IoWrite8(0x81,0x33);
          IoWrite8(0x80,RegRead);
       }
    }
//DonRtest E+
</code>

輸出32位元變數
<code>
//DonRtest S+
  UINT32  RegisterValue;
  UINT8   bytes[4];

    bytes[0] = (UINT8)(RegisterValue & 0xFF);        // LOW Byte (LSB)
    bytes[1] = (UINT8)((RegisterValue >> 8) & 0xFF);
    bytes[2] = (UINT8)((RegisterValue >> 16) & 0xFF);
    bytes[3] = (UINT8)((RegisterValue >> 24) & 0xFF); // High Byte (MSB)
    for(int y=0;y<4;y++)
    {    
      for(int i=0;i<800;i++)
      {
        for(int j=0;j<100;j++)
        {
          IoWrite8(0x81,0xAA);
          IoWrite8(0x80,bytes[y]);
        }
      }
    }
//DonRtest E+
</code>