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#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 : */

/* Compile with option -DHCS12 to activate this code */
#if defined(HCS12) || defined(_HCS12) || defined(__HCS12__) /* HCS12 family has PPAGE register only at 0x30 */
#define PPAGE_ADDR (0x30+REGISTER_BASE)
#ifndef __PPAGE__ /* may be set already by option -CPPPAGE */
#define __PPAGE__
#endif
/* Compile with option -DDG128 to activate this code */
#elif defined DG128 /* HC912DG128 derivative has PPAGE register only at 0xFF */
#define PPAGE_ADDR (0xFF+REGISTER_BASE)
#ifndef __PPAGE__ /* may be set already by option -CPPPAGE */
#define __PPAGE__
#endif
#elif defined(HC812A4)
/* all setting default to A4 already */
#endif


#if !defined(__EPAGE__) && !defined(__PPAGE__) && !defined(__DPAGE__)
/* as default use all page registers */
#define __DPAGE__
#define __EPAGE__
#define __PPAGE__
#endif

/* modify the following defines to your memory configuration */

#define EPAGE_LOW_BOUND   0x400u
#define EPAGE_HIGH_BOUND  0x7ffu

#define DPAGE_LOW_BOUND   0x7000u
#define DPAGE_HIGH_BOUND  0x7fffu

#define PPAGE_LOW_BOUND   (DPAGE_HIGH_BOUND+1)
#define PPAGE_HIGH_BOUND  0xBFFFu

#define REGISTER_BASE      0x0u
#ifndef DPAGE_ADDR
#define DPAGE_ADDR        (0x34u+REGISTER_BASE)
#endif
#ifndef EPAGE_ADDR
#define EPAGE_ADDR        (0x36u+REGISTER_BASE)
#endif
#ifndef PPAGE_ADDR
#define PPAGE_ADDR        (0x35u+REGISTER_BASE)
#endif

/*
  The following parts about the defines are assumed in the code of _GET_PAGE_REG :
  - the memory region controlled by DPAGE is above the area controlled by the EPAGE and
    below the area controlled by the PPAGE.
  - the lower bound of the PPAGE area is equal to be the higher bound of the DPAGE area + 1
*/
#if EPAGE_LOW_BOUND >= EPAGE_HIGH_BOUND || EPAGE_HIGH_BOUND >= DPAGE_LOW_BOUND || DPAGE_LOW_BOUND >= DPAGE_HIGH_BOUND || DPAGE_HIGH_BOUND >= PPAGE_LOW_BOUND || PPAGE_LOW_BOUND >= PPAGE_HIGH_BOUND
#error /* please adapt _GET_PAGE_REG for this non default page configuration */
#endif

#if DPAGE_HIGH_BOUND+1 != PPAGE_LOW_BOUND
#error /* please adapt _GET_PAGE_REG for this non default page configuration */
#endif


/* this module does either control if any access is in the bounds of the specified page or */
/* ,if only one page is specified, just use this page. */
/* This behavior is controlled by the define USE_SEVERAL_PAGES. */
/* If !USE_SEVERAL_PAGES does increase the performance significantly */
/* NOTE : When !USE_SEVERAL_PAGES, the page is also set for accesses outside of the area controlled */
/*        by this single page. But this is should not cause problems because the page is restored to the old value before any other access could occur */

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