absacc.h

许继的2812开发全套驱动程序，很全很实用的.rar

/*
 *-----------------------------------------------------------------------------
 *  Copyright (c) KEIL ELEKTRONIK GmbH and Franklin Software, Inc., 1987-1992
 *-----------------------------------------------------------------------------
 */
/* ABSACC.H: direct access to 8051 memory areas V3.03 */

#define CBYTE ((unsigned char volatile *) 0x50000L)
#define DBYTE ((unsigned char volatile *) 0x40000L)
#define PBYTE ((unsigned char volatile *) 0x30000L)
#define XBYTE ((unsigned char volatile *) 0x20000L)

#define CWORD ((unsigned int volatile *) 0x50000L)
#define DWORD ((unsigned int volatile *) 0x40000L)
#define PWORD ((unsigned int volatile *) 0x30000L)
#define XWORD ((unsigned int volatile *) 0x20000L)