/* copied from _Palm Programming_ p. 79*/

#ifndef __CALLBACK__
#define __CALLBACK__

register void *reg_a4 asm("%a4");

#define CALLBACK_PROLOGUE() \
    { void* __save_a4 = reg_a4; asm("move.l %%a5,%%a4; sub.l #edata,%%a4" : :);

#define CALLBACK_EPILOGUE() reg_a4 = __save_a4;}

#endif