Shamusworld >> Repos - virtualjaguar/blob - src/virtualjaguar.cpp

   1 //
   2 // Virtual Jaguar Emulator
   3 //
   4 // Original codebase by David Raingeard (Cal2)
   5 // GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
   6 // Cleanups/fixes/enhancements by James Hammons and Adam Green
   7 //
   8
   9 #include <SDL.h>
  10 #include <time.h>
  11 #include "file.h"
  12 //#include "gui.h"
  13 #include "jaguar.h"
  14 #include "log.h"
  15 #include "memory.h"
  16 #include "sdlemu_opengl.h"
  17 #include "settings.h"                                                           // Pull in "vjs" struct
  18 #include "video.h"
  19
  20 // Uncomment this to use built-in BIOS/CD-ROM BIOS
  21 // You'll need a copy of jagboot.h & jagcd.h for this to work...!
  22 //#define USE_BUILT_IN_BIOS
  23
  24 // Uncomment this for an official Virtual Jaguar release
  25 //#define VJ_RELEASE_VERSION "1.1.0"
  26 #warning !!! FIX !!! Figure out how to use this in GUI.CPP as well!
  27
  28 #ifdef USE_BUILT_IN_BIOS
  29 #include "jagboot.h"
  30 #include "jagcd.h"
  31 #endif
  32
  33
  34 // Private function prototypes
  35
  36 //
  37 // The main emulator loop (what else?)
  38 //
  39 //Maybe we should move the video stuff to TOM? Makes more sense to put it there...
  40 //Actually, it would probably be better served in VIDEO.CPP... !!! FIX !!! [DONE]
  41 //uint32 totalFrames;//temp, so we can grab this from elsewhere...
  42 int main_old(int argc, char * argv[])
  43 {
  44 //NOTE: This isn't actually used anywhere... !!! FIX !!!
  45         int32 nFrameskip = 0;                                                   // Default: Show every frame
  46
  47 #ifdef VJ_RELEASE_VERSION
  48         printf("Virtual Jaguar GCC/SDL Portable Jaguar Emulator v%s\n", VJ_RELEASE_VERSION);
  49 #else
  50         printf("Virtual Jaguar GCC/SDL Portable Jaguar Emulator SVN %s\n", __DATE__);
  51 #endif
  52         printf("Based upon Virtual Jaguar core v1.0.0 by David Raingeard.\n");
  53         printf("Written by Niels Wagenaar (Linux/WIN32), Carwin Jones (BeOS),\n");
  54         printf("James Hammons (WIN32) and Adam Green (MacOS)\n");
  55         printf("Contact: http://sdlemu.ngemu.com/ | sdlemu@ngemu.com\n");
  56
  57         bool haveCart = false;                                                  // Assume there is no cartridge...!
  58
  59         LogInit("vj.log");
  60         LoadVJSettings();                                                               // Get config file settings...
  61
  62         // Check the switches... ;-)
  63         // NOTE: Command line switches can override any config file settings, thus the
  64         //       proliferation of the noXXX switches. ;-)
  65
  66         for(int i=1; i<argc || argv[i]!=NULL; i++)
  67         {
  68                 // This would be the most likely place to do the cart loading...
  69                 if (argv[i][0] != '-')
  70                         haveCart = true;                                                // It looks like we have a cartridge!
  71
  72                 if (!strcmp(argv[i], "-joystick"))
  73                         vjs.useJoystick = true;
  74
  75                 if (!strcmp(argv[i], "-joyport"))
  76                 {
  77                         vjs.joyport = atoi(argv[++i]) + 1;
  78
  79                         if (vjs.joyport > 3)
  80                                 vjs.joyport = 3;
  81                 }
  82
  83                 if (!strcmp(argv[i], "-frameskip"))
  84                 {
  85                         nFrameskip = atoi(argv[++i]) + 1;
  86
  87                         if (nFrameskip > 10)
  88                                 nFrameskip = 10;
  89                 }
  90
  91                 if (!strcmp(argv[i], "-bios"))
  92                         vjs.useJaguarBIOS = true;
  93
  94                 if (!strcmp(argv[i], "-nobios"))
  95                         vjs.useJaguarBIOS = false;
  96
  97                 if (!strcmp(argv[i], "-dsp"))
  98                         vjs.DSPEnabled = true;
  99
 100                 if (!strcmp(argv[i], "-nodsp"))
 101                         vjs.DSPEnabled = false;
 102
 103                 if (!strcmp(argv[i], "-pipeline"))
 104                         vjs.usePipelinedDSP = true;
 105
 106                 if (!strcmp(argv[i], "-nopipeline"))
 107                         vjs.usePipelinedDSP = false;
 108
 109                 if (!strcmp(argv[i], "-gl"))
 110                         vjs.useOpenGL = true;
 111
 112                 if (!strcmp(argv[i], "-nogl"))
 113                         vjs.useOpenGL = false;
 114
 115                 if (!strcmp(argv[i], "-fullscreen"))
 116                         vjs.fullscreen = true;
 117
 118                 if (!strcmp(argv[i], "-window"))
 119                         vjs.fullscreen = false;
 120
 121                 if (!strcmp(argv[i], "-pal"))
 122                         vjs.hardwareTypeNTSC = false;
 123
 124                 if (!strcmp(argv[i], "-ntsc"))
 125                         vjs.hardwareTypeNTSC = true;
 126
 127                 if (!strcmp(argv[i], "--help") || !strcmp(argv[i], "-?"))
 128                 {
 129                     printf("Usage: \n\n");
 130                         printf("vj [romfile] [switches]\n");
 131                         printf("  -? or --help    : Display usage and switches                \n");
 132                         printf("  -frameskip 1-10 : Enable frameskip 1 - 10 (default: none)   \n");
 133                         printf("  -joystick       : Enable joystick/gamepad                   \n");
 134                         printf("  -joyport 0-3    : Select desired joystick port              \n");
 135                         printf("  -bios           : Boot cart using Jaguar BIOS ROM           \n");
 136                         printf("  -nobios         : Boot cart without using Jaguar BIOS ROM   \n");
 137                         printf("  -dsp            : Force VJ to use the DSP                   \n");
 138                         printf("  -nodsp          : Force VJ to run without the DSP           \n");
 139                         printf("  -pipeline       : Use the DSP pipelined core                \n");
 140                         printf("  -nopipeline     : Use the DSP non-pipelined core            \n");
 141                         printf("  -gl             : Use OpenGL rendering                      \n");
 142                         printf("  -nogl           : Use old non-OpenGL rendering              \n");
 143                         printf("  -fullscreen     : Enable fullscreen mode (default: windowed)\n");
 144                         printf("  -window         : Enable windowed mode                      \n");
 145                         printf("  -pal            : Force VJ to PAL mode (default: NTSC)      \n");
 146                         printf("  -ntsc           : Force VJ to NTSC mode                     \n");
 147                         printf("\nInvoking Virtual Jagaur with no ROM file will cause it to boot up\n");
 148                         printf("with the VJ GUI.\n");
 149                         return 1;
 150                 }
 151     }
 152
 153         // Set up SDL library
 154         if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0)
 155         {
 156                 WriteLog("VJ: Could not initialize the SDL library: %s\n", SDL_GetError());
 157                 return -1;
 158         }
 159
 160         WriteLog("VJ: SDL successfully initialized.\n");
 161
 162 //      WriteLog("Initializing memory subsystem...\n");
 163 //      MemoryInit();
 164 #ifdef VJ_RELEASE_VERSION
 165         WriteLog("Virtual Jaguar %s (Last full build was on %s %s)\n", VJ_RELEASE_VERSION, __DATE__, __TIME__);
 166 #else
 167         WriteLog("Virtual Jaguar SVN %s (Last full build was on %s %s)\n", __DATE__, __DATE__, __TIME__);
 168 #endif
 169         WriteLog("Initializing jaguar subsystem...\n");
 170         JaguarInit();
 171
 172         // Get the BIOS ROM
 173 #ifdef USE_BUILT_IN_BIOS
 174         WriteLog("VJ: Using built in BIOS/CD BIOS...\n");
 175         memcpy(jaguarBootROM, jagBootROM, 0x20000);
 176         memcpy(jaguarCDBootROM, jagCDROM, 0x40000);
 177         BIOSLoaded = CDBIOSLoaded = true;
 178 #else
 179 // What would be nice here would be a way to check if the BIOS was loaded so that we
 180 // could disable the pushbutton on the Misc Options menu... !!! FIX !!! [DONE here, but needs to be fixed in GUI as well!]
 181 WriteLog("About to attempt to load BIOSes...\n");
 182         BIOSLoaded = (JaguarLoadROM(jaguarBootROM, vjs.jagBootPath) == 0x20000 ? true : false);
 183         WriteLog("VJ: BIOS is %savailable...\n", (BIOSLoaded ? "" : "not "));
 184         CDBIOSLoaded = (JaguarLoadROM(jaguarCDBootROM, vjs.CDBootPath) == 0x40000 ? true : false);
 185         WriteLog("VJ: CD BIOS is %savailable...\n", (CDBIOSLoaded ? "" : "not "));
 186 #endif
 187
 188         SET32(jaguarMainRAM, 0, 0x00200000);                    // Set top of stack...
 189
 190 WriteLog("Initializing video subsystem...\n");
 191         VideoInit();
 192 WriteLog("Initializing GUI subsystem...\n");
 193 #warning "!!! FIX !!! (GUIInit())"
 194 //      GUIInit();
 195
 196         // Now with crunchy GUI goodness!
 197 WriteLog("About to start GUI...\n");
 198 #warning "!!! FIX !!! (GUIMain(...))"
 199 //      GUIMain(haveCart ? argv[1] : NULL);
 200
 201 //This is no longer accurate...!
 202 //      int elapsedTime = clock() - startTime;
 203 //      int fps = (1000 * totalFrames) / elapsedTime;
 204 //      WriteLog("VJ: Ran at an average of %i FPS.\n", fps);
 205
 206         JaguarDone();
 207         VideoDone();
 208 //      MemoryDone();
 209         LogDone();
 210
 211         // Free SDL components last...!
 212         SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER);
 213         SDL_Quit();
 214
 215         return 0;
 216 }