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>
#include "sysdeps.h"
#include "main.h"
#include "C64.h"
#include "Display.h"
#include "Prefs.h"
#include "SAM.h"
#include "gui/gui.hh"
#include "data_store.hh"
#include "utils.hh"
#if defined(GEKKO)
#include <gccore.h>
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#include <fat.h>
#include <ogc/usbstorage.h>
#endif
// Global variables
extern int init_graphics(void);
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extern void CloseShare (bool silent);
// Global variables
C64 *TheC64 = NULL; // Global C64 object
char AppDirPath[1024]; // Path of application directory
bool usbismount = false;
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bool networkisinit = false;
bool smbismount = false;
#ifndef GEKKO
networkisinit = true;
#endif
// 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"
#if defined(GEKKO)
//init and deinit USB device functions
bool InitUSB()
{
printf("Initializing USB FAT subsytem ...\n\n");
fatUnmount("usb:");
// This should wake up the drive
bool isMounted = fatMountSimple("usb", &__io_usbstorage);
bool isInserted = __io_usbstorage.isInserted();
if (!isInserted) return false;
// USB Drive may be "sleeeeping"
// We need to try Mounting a few times to wake it up
int retry = 10;
while (retry && !isMounted)
{
sleep(1);
isMounted = fatMountSimple("usb", &__io_usbstorage);
retry--;
}
return isMounted;
}
void DeInitUSB()
{
fatUnmount("usb:");
__io_usbstorage.shutdown();
}
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bool InitNetwork()
{
char myIP[16];
memset(myIP, 0, sizeof(myIP));
printf("Getting IP address via DHCP...\n\n");
if (if_config(myIP, NULL, NULL, true) < 0) {
printf("No DHCP reply\n");
return false;
}
printf("Got an address: %s\n",myIP);
return true;
}
#endif
/*
* 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);
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#if defined(GEKKO)
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DIR *dir_tmp;
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#endif
// Init SDL
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_JOYSTICK) < 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;
}
fflush(stdout);
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#ifdef GEKKO
printf("\x1b[2;0H");
//initialize libfat library
if (!fatInitDefault())
{
printf("Couldn't initialize SD fat subsytem\n\n");
sleep(3);
exit(0);
}
else
printf("SD FAT subsytem initialized\n\n");
usbismount = InitUSB();
if (usbismount)
printf("USB FAT subsytem initialized\n\n");
else
printf("Impossible to initialize USB FAT subsytem\n\n");
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networkisinit = InitNetwork();
sleep(4);
//create tmp directory if it does not exist
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dir_tmp = opendir("/frodo/tmp");
if (!dir_tmp) {mkdir("/frodo/tmp",0777);printf("Making tmp directory\n");sleep(2);} else closedir(dir_tmp);
#endif
Frodo *the_app = new Frodo();
the_app->ArgvReceived(argc, argv);
the_app->ReadyToRun();
delete the_app;
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if (smbismount) CloseShare (true);
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#ifdef GEKKO
DeInitUSB();
fatUnmount(0);
#endif
return 0;
}
/*
* Constructor: Initialize member variables
*/
Frodo::Frodo()
{
Prefs p;
TheC64 = NULL;
ThePrefs = p; /* Silly workaround to fix joystick bug */
TheDefaultPrefs = p;
}
/*
* Process command line arguments
*/
char *network_server_connect = 0;
void Frodo::ArgvReceived(int argc, char **argv)
{
if (argc == 2)
network_server_connect = argv[1];
}
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)
out = what;
return out;
}
void Frodo::LoadFrodorc()
{
const char *paths[] = {
"/frodo", // Wii
".",
"/apps/frodo", // Wii
"frodo",
NULL, // Filled in below
NULL, // also filled in below
"/usr/share/frodo",
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[4] = home_1;
paths[5] = home_2;
for (i = 0; paths[i]; i++)
{
const char *p;
const char *name = "frodorc";
p = try_path(paths[i], name);
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, total_name, sizeof(ThePrefs.PrefsPath));
} else
printf("No frodorc, using default\n");
free((void*)total_name);
}
/*
* Arguments processed, run emulation
*/
void Frodo::ReadyToRun(void)
{
if (getcwd(AppDirPath, 256) == NULL)
strcpy(AppDirPath, "");
this->LoadFrodorc();
if (network_server_connect)
strncpy(ThePrefs.NetworkServer, network_server_connect,
sizeof(ThePrefs.NetworkServer));
panic_if (!init_graphics(),
"Can't initialize graphics!\n");
// Create and start C64
TheC64 = new C64;
DataStore::ds = new DataStore();
TimerController::init();
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);
}