AppleWin/source/CommonVICE/mem.h
2014-05-23 22:59:02 +01:00

96 lines
3.2 KiB
C

/*
* mem.h - Memory interface.
*
* Written by
* André Fachat <fachat@physik.tu-chemnitz.de>
* Ettore Perazzoli <ettore@comm2000.it>
* Andreas Boose <viceteam@t-online.de>
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
*/
#ifndef _MEM_H_
#define _MEM_H_
#include "..\CommonVICE\types.h"
typedef BYTE REGPARM1 read_func_t(WORD addr);
typedef read_func_t *read_func_ptr_t;
typedef void REGPARM2 store_func_t(WORD addr, BYTE value);
typedef store_func_t *store_func_ptr_t;
extern read_func_ptr_t *_mem_read_tab_ptr;
extern store_func_ptr_t *_mem_write_tab_ptr;
extern BYTE **_mem_read_base_tab_ptr;
extern int *mem_read_limit_tab_ptr;
extern BYTE mem_ram[];
extern BYTE *mem_page_zero;
extern BYTE *mem_page_one;
extern BYTE *mem_color_ram_cpu;
extern BYTE *mem_color_ram_vicii;
extern unsigned int mem_old_reg_pc;
extern BYTE *mem_chargen_rom_ptr;
extern void mem_initialize_memory(void);
extern void mem_powerup(void);
extern int mem_load(void);
extern void mem_get_basic_text(WORD *start, WORD *end);
extern void mem_set_basic_text(WORD start, WORD end);
extern void mem_toggle_watchpoints(int flag, void *context);
extern int mem_rom_trap_allowed(WORD addr);
extern void mem_set_bank_pointer(BYTE **base, int *limit);
extern void mem_color_ram_to_snapshot(BYTE *color_ram);
extern void mem_color_ram_from_snapshot(BYTE *color_ram);
extern read_func_t rom_read, rom_trap_read, zero_read;
extern store_func_t rom_store, rom_trap_store, zero_store;
extern read_func_t mem_read;
extern store_func_t mem_store;
/* ------------------------------------------------------------------------- */
/* Memory access functions for the monitor. */
extern const char **mem_bank_list(void);
extern int mem_bank_from_name(const char *name);
extern BYTE mem_bank_read(int bank, WORD addr, void *context);
extern BYTE mem_bank_peek(int bank, WORD addr, void *context);
extern void mem_bank_write(int bank, WORD addr, BYTE byte, void *context);
extern void mem_get_screen_parameter(WORD *base, BYTE *rows, BYTE *columns, int *bank);
typedef struct mem_ioreg_list_s {
const char *name;
WORD start;
WORD end;
unsigned int next;
} mem_ioreg_list_t;
extern mem_ioreg_list_t *mem_ioreg_list_get(void *context);
/* Snapshots. */
struct snapshot_s;
extern int mem_write_snapshot_module(struct snapshot_s *s, int save_roms);
extern int mem_read_snapshot_module(struct snapshot_s *s);
#endif