key.cpp

在纯DOS下运行的TurboC3_ucos2_ucgui bug改进版本

#include <bios.h>

#include "KEY.H"

int GetKey (void){
  int key,status;
  if (bioskey(1)==0) return 0;
  key=bioskey(0);
  status=bioskey (2);

  if (key&0xFF) key=key&0x00FF;
  if (key==KEY_SPACE)
    if (status&0x04) key=KEY_F2;
  return(key);
}