/* 
 * Copyright (c) 2013 Yasushi Oshima, All rights reserved.  
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY YASUSHI OSHIMA ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 */

#include <x68k/sram.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>


#define SRAMDEV "/dev/sram"

int getcrtmod() {
	int sramfd;
	int i;
	int ret;
	struct sram_io sramio;

	sramio.offset = 0x10;

	if ((sramfd = open(SRAMDEV,O_RDONLY) ) < 0 ) {
		return -1;
	}
	if (ioctl (sramfd, SIOGSRAM, &sramio) < 0) {
		perror("ioctl:");
		close (sramfd);
		return -1;
	}

	ret = sramio.sram[13];
	close (sramfd);

	return ret;
}