sim/rl78/mem.h

/* mem.h --- interface to memory for RL78 simulator.

   Copyright (C) 2011
   Free Software Foundation, Inc.
   Contributed by Red Hat, Inc.

   This file is part of the GNU simulators.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef SIM_RL78_MEM_H_
#define SIM_RL78_MEM_H_

#define MEM_SIZE 0x100000

/* Only for cpu.c to use.  */
extern unsigned char memory[];

void init_mem (void);

/* Pass the amount of bytes, like 2560 for 2.5k  */
void mem_ram_size (int ram_bytes);
void mem_rom_size (int rom_bytes);

void mem_put_qi (int address, unsigned char value);
void mem_put_hi (int address, unsigned short value);
void mem_put_psi (int address, unsigned long value);
void mem_put_si (int address, unsigned long value);

void mem_put_blk (int address, const void *bufptr, int nbytes);

unsigned char mem_get_pc (int address);

unsigned char mem_get_qi (int address);
unsigned short mem_get_hi (int address);
unsigned long mem_get_psi (int address);
unsigned long mem_get_si (int address);

void mem_get_blk (int address, void *bufptr, int nbytes);

int sign_ext (int v, int bits);

#endif