飞思卡尔--15秒单圈程序

　　/******************************************************************************

　　FILE ： datapage.c

　　PURPOSE ： paged data access runtime routines

　　MACHINE ： Freescale 68HC12 （Target）

　　LANGUAGE ： ANSI-C

　　HISTORY ： 21.7.96 first version created

　　******************************************************************************/

　　#include “hidef.h”

　　#include “non_bank.sgm”

　　#include “runtime.sgm”

　　#ifndef __HCS12X__ /* it‘s different for the HCS12X. See the text below at the #else // __HCS12X__ */

　　/*

　　According to the -Cp option of the compiler the

　　__DPAGE__， __PPAGE__ and __EPAGE__ macros are defined.

　　If none of them is given as argument， then no page accesses should occur and

　　this runtime routine should not be used ！

　　To be on the save side， the runtime routines are created anyway.

　　If some of the -Cp options are given an adapted versions which only covers the

　　needed cases is produced.

　　*/

　　/* if no compiler option -Cp is given， it is assumed that all possible are given ： */