revsattr.c

详细介绍了一篇关于pci开发的接口芯片

/*  CXL - Copyright (c) 1987-1989 by Mike Smedley - All Rights Reserved  */
/*  REVSATTR.C  - reverses the attribute given  */

#include "cxlvid.h"

int revsattr(int attr)
{
    return(((attr>>4)&0x07)|((attr<<4)&0x70)|(attr&0x80)|(attr&0x08));
}