waitkey.c

来自「详细介绍了一篇关于pci开发的接口芯片」· C语言 代码 · 共 20 行

/*  CXL - Copyright (c) 1987-1989 by Mike Smedley - All Rights Reserved  */
/*  WAITKEY.C   - halts execution until a key is pressed  */

#include <conio.h>
#include "cxlkey.h"
#include "cxlmou.h"

#if     defined(_M_IX86)
#define bioskey(a)  _bios_keybrd(a)
#endif

int waitkey(void)
{
    int ch;

    clearkeys();
    do ch=getxch(); while(_kbinfo.source==2 && ch!=0x1c0d && ch!=0x011b);
    return(ch&0x00ff);
}