frodo-wii/Src/main.cpp

/*
 *  main.cpp - Main program
 *
 *  Frodo (C) 1994-1997,2002-2005 Christian Bauer
 *
 *  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
 */
#include <SDL.h>
#include <SDL_ttf.h>

#include "sysdeps.h"

#include "main.h"
#include "C64.h"
#include "Display.h"
#include "Prefs.h"
#include "SAM.h"
#include "gui/gui.hh"


// Global variables
extern int init_graphics(void);


// Global variables
char Frodo::prefs_path[256] = "";
C64 *TheC64 = NULL;		// Global C64 object
char AppDirPath[1024];	// Path of application directory


// ROM file names
#ifndef DATADIR
#define DATADIR
#endif

#ifdef __riscos__
#define BASIC_ROM_FILE	"FrodoRsrc:Basic_ROM"
#define KERNAL_ROM_FILE	"FrodoRsrc:Kernal_ROM"
#define CHAR_ROM_FILE	"FrodoRsrc:Char_ROM"
#define DRIVE_ROM_FILE	"FrodoRsrc:1541_ROM"
#elif GEKKO
#define WII_FRODO_BASE_PATH "/apps/frodo/"
#define BASIC_ROM_FILE	WII_FRODO_BASE_PATH"Basic_ROM"
#define KERNAL_ROM_FILE	WII_FRODO_BASE_PATH"Kernal_ROM"
#define CHAR_ROM_FILE	WII_FRODO_BASE_PATH"Char_ROM"
#define DRIVE_ROM_FILE	WII_FRODO_BASE_PATH"1541_ROM"
#else
#define BASIC_ROM_FILE DATADIR "Basic ROM"
#define KERNAL_ROM_FILE DATADIR "Kernal ROM"
#define CHAR_ROM_FILE DATADIR "Char ROM"
#define DRIVE_ROM_FILE DATADIR "1541 ROM"
#endif


// Builtin ROMs
#include "Basic_ROM.h"
#include "Kernal_ROM.h"
#include "Char_ROM.h"
#include "1541_ROM.h"


/*
 *  Load C64 ROM files
 */

void Frodo::load_rom(const char *which, const char *path, uint8 *where, size_t size, const uint8 *builtin)
{
	FILE *f = fopen(path, "rb");
	if (f) {
		size_t actual = fread(where, 1, size, f);
		fclose(f);
		if (actual == size)
			return;
	}

	// Use builtin ROM
	printf("%s ROM file (%s) not readable, using builtin.\n", which, path);
	memcpy(where, builtin, size);
}

void Frodo::load_rom_files()
{
	load_rom("Basic", BASIC_ROM_FILE, TheC64->Basic, BASIC_ROM_SIZE, builtin_basic_rom);
	load_rom("Kernal", KERNAL_ROM_FILE, TheC64->Kernal, KERNAL_ROM_SIZE, builtin_kernal_rom);
	load_rom("Char", CHAR_ROM_FILE, TheC64->Char, CHAR_ROM_SIZE, builtin_char_rom);
	load_rom("1541", DRIVE_ROM_FILE, TheC64->ROM1541, DRIVE_ROM_SIZE, builtin_drive_rom);
}

/*
 *  Create application object and start it
 */

extern "C" int main(int argc, char **argv)
{
	timeval tv;
	gettimeofday(&tv, NULL);
	srand(tv.tv_usec);

	// Init SDL
        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0) {
                fprintf(stderr, "Couldn't initialize SDL (%s)\n", SDL_GetError());
                return 1;
	}
        if (TTF_Init() < 0)
        {
                fprintf(stderr, "Unable to init TTF: %s\n", TTF_GetError() );
		return 1;
        }

	if (!init_graphics())
		return 1;
	fflush(stdout);

	Frodo *the_app = new Frodo();
	the_app->ArgvReceived(argc, argv);
	the_app->ReadyToRun();
	delete the_app;

	return 0;
}


/*
 *  Constructor: Initialize member variables
 */

Frodo::Frodo()
{
	TheC64 = NULL;
}


/*
 *  Process command line arguments
 */
char *network_server_connect = 0;

void Frodo::ArgvReceived(int argc, char **argv)
{
	if (argc == 2)
		network_server_connect = argv[1];
}


/*
 *  Arguments processed, run emulation
 */

void Frodo::ReadyToRun(void)
{
	getcwd(AppDirPath, 256);

	// Load preferences
	if (!prefs_path[0]) {
		char *home = getenv("HOME");
		if (home != NULL && strlen(home) < 240) {
			strncpy(prefs_path, home, 200);
			strcat(prefs_path, "/");
		}
		strcat(prefs_path, ".frodorc");
	}
	ThePrefs.Load(prefs_path);
	if (network_server_connect)
		strncpy(ThePrefs.NetworkServer, network_server_connect,
				sizeof(ThePrefs.NetworkServer));

	// Create and start C64
	TheC64 = new C64;
	Gui::init();
	load_rom_files();
	TheC64->Run();

	delete TheC64;
}

/*
 *  Determine whether path name refers to a directory
 */

bool IsDirectory(const char *path)
{
	struct stat st;
	return stat(path, &st) == 0 && S_ISDIR(st.st_mode);
}