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Text File  |  1994-06-01  |  517 b   |  18 lines
  1. /***************************************************************
  2.     Okome Super Famic PAD V1.04   High-C V1.7
  3.                                 Copyright(C) おこめ 1991,1992
  4. ***************************************************************/
  5.  
  6. int sptrig(int n)    /*    ＳＦＣ ＰＡＤ　+ＬＡＹＸＢＲ　ボタンの読み取り    */
  7. {
  8.     int i;
  9.     if (n == (n & 1))    {
  10.         _outb(0x4d6, 15);
  11.         i = ~_inb(0x4d0 + n * 2) >> 4 & 3;
  12.         _outb(0x4d6, 0x3f);
  13.         return (i + ((~_inb(0x4d0 + n * 2) & 63) << 2));
  14.     }    else    {
  15.         return (0);
  16.     }
  17. }
  18.