/**

 * $Id$

 *

 * Miscellaneous application-wide declarations (mainly logging atm)

 *

 * Copyright (c) 2005 Nathan Keynes.

 *

 * 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.

 */

#ifndef dream_H

#define dream_H 1

#include <stdio.h>

#include <stdlib.h>

#include <stdint.h>

#include <string.h>

#include "lxdream.h"

#ifdef __cplusplus

extern "C" {

#endif

/************************ Modules ********************************/

/**

 * Basic module structure defining the common operations across all

 * modules, ie start, stop, reset, etc. 

 */

typedef struct dreamcast_module {

    char *name;

    /**

     * Perform all initial module setup (ie register / allocate any

     * memory required, etc). Only called once during system startup

     */

    void (*init)();

    /**

     * Reset the module into it's initial system boot state. Will be called

     * once after init(), as well as whenever the user requests a reset.

     */

    void (*reset)();

    /**

     * Set the module into a running state (may be NULL)

     */

    void (*start)();

    /**

     * Execute one time-slice worth of operations, for the given number of

     * nanoseconds.

     * @return Number of nanoseconds actually executed

     */

    uint32_t (*run_time_slice)( uint32_t nanosecs );

    /**

     * Set the module into a stopped state (may be NULL)

     */

    void (*stop)();

    /**

     * Save the module state to the FILE stream. May be NULL, in which case

     * the module is considered to have no state.

     */

    void (*save)(FILE *);

    /**

     * Load the saved module state from the FILE stream. May be NULL, in which

     * case reset() will be called instead.

     * @return 0 on success, nonzero on failure.

     */

    int (*load)(FILE *);

} *dreamcast_module_t;

void dreamcast_register_module( dreamcast_module_t );

extern struct dreamcast_module mem_module;

extern struct dreamcast_module sh4_module;

extern struct dreamcast_module asic_module;

extern struct dreamcast_module pvr2_module;

extern struct dreamcast_module aica_module;

extern struct dreamcast_module ide_module;

extern struct dreamcast_module maple_module;

extern struct dreamcast_module pvr2_module;

extern struct dreamcast_module gui_module;

extern struct dreamcast_module eventq_module;

extern struct dreamcast_module unknown_module;

void fwrite_string( const char *s, FILE *f );

int fread_string( char *s, int maxlen, FILE *f );

void fwrite_gzip( void *p, size_t size, size_t num, FILE *f );

int fread_gzip( void *p, size_t size, size_t num, FILE *f );

void fwrite_dump( unsigned char *buf, unsigned int length, FILE *f );

void fwrite_dump32( unsigned int *buf, unsigned int length, FILE *f );

void fwrite_dump32v( unsigned int *buf, unsigned int length, int wordsPerLine, FILE *f );

void install_crash_handler(void);

gboolean write_png_to_stream( FILE *f, frame_buffer_t );

frame_buffer_t read_png_from_stream( FILE *f );

#ifdef __cplusplus

}

#endif

#endif