frodo-wii/Src/main.cpp

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/*
* 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>
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#include "sysdeps.h"
#include "main.h"
#include "C64.h"
#include "Display.h"
#include "Prefs.h"
#include "SAM.h"
#include "gui/gui.hh"
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#include "utils.hh"
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// Global variables
extern int init_graphics(void);
// Global variables
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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
*/
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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;
}
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/*
* Constructor: Initialize member variables
*/
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Frodo::Frodo()
{
TheC64 = NULL;
}
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/*
* Process command line arguments
*/
char *network_server_connect = 0;
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void Frodo::ArgvReceived(int argc, char **argv)
{
if (argc == 2)
network_server_connect = argv[1];
}
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const char *try_path(const char *path, const char *file)
{
if (path == NULL || file == NULL)
return NULL;
char *what = (char *)xmalloc(strlen(path) + strlen(file) + 3);
struct stat st;
const char *out = NULL;
sprintf(what, "%s/%s", path, file);
if (stat(what, &st) == 0)
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out = what;
return out;
}
void Frodo::LoadFrodorc()
{
const char *paths[] = {
NULL, // Filled in below
NULL, // also filled in below
".",
"/apps/frodo", // Wii
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"frodo",
"/usr/share/frodo",
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NULL,
};
const char *prefs_path = NULL;
const char *prefs_name = NULL;
const char *total_name = NULL;
char home_1[255];
char home_2[255];
int i;
if (getenv("HOME"))
{
snprintf(home_1, sizeof(home_1), "%s/.frodo", getenv("HOME"));
snprintf(home_2, sizeof(home_2), "%s/frodo", getenv("HOME"));
}
else
{
strcpy(home_1, "");
strcpy(home_2, "");
}
paths[0] = home_1;
paths[1] = home_2;
for (i = 0; paths[i]; i++)
{
const char *p;
const char *name = "frodorc";
p = try_path(paths[i], name);
if (!p)
{
name = "frodorc.default";
p = try_path(paths[i], "frodorc.default");
}
if (p)
{
prefs_path = paths[i];
prefs_name = name;
total_name = p;
break;
}
free((void*)p);
}
// Load preferences
if (total_name)
{
ThePrefs.Load(total_name);
strncpy(ThePrefs.PrefsPath, prefs_path, sizeof(ThePrefs.PrefsPath));
} else
warning("Cannot find frodorc or frodorc.default in any tried directory");
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free((void*)total_name);
}
/*
* Arguments processed, run emulation
*/
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void Frodo::ReadyToRun(void)
{
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if (getcwd(AppDirPath, 256) == NULL)
strcpy(AppDirPath, "");
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this->LoadFrodorc();
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);
}