key.cpp

超级玛丽游戏源码

#include<dos.h>
#ifdef __cplusplus
    #define __CPPARGS ...
#else
    #define __CPPARGS
#endif

#define ESC      1
#define UP       72
#define LEFT     75
#define RIGHT    77
#define DOWN     80
#define ENTER    28
#define SPACE    57
#define ALT      56
#define CTRL     29

int key[128];

int ti=0;

void  interrupt far time_handler(__CPPARGS)
  {  disable();
     ti++;
enable();
}


void  interrupt far key_handler(__CPPARGS)
{
  int k;
  disable();
  asm{
     sti
     in al,60H
     xor ah,ah
     mov k,ax
     in al,61h
     or al,82h
     out 61h,al
     and al,7fh
     out 61h,al
     mov al,20h
     out 20h,al
     }
  if(k<128)
    key[k]=1;
  else
    key[k-128]=0;
 enable();
}

void set_time(int time)
{
    int tt,ttt;
    tt=time&0x00ff;
    ttt=(time>>8)&0x00ff;
    outp(0x43,0x3c);
    outp(0x40,tt);
    outp(0x40,ttt);

}