//
// Virtual Jaguar Emulator
//
-// Original codebase by Cal2
+// Original codebase by David Raingeard (Cal2)
// GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
// Cleanups/fixes/enhancements by James L. Hammons and Adam Green
//
#ifdef __GCCUNIX__
-#include <unistd.h>
+#include <unistd.h> // Is this necessary anymore?
#endif
-#include <dirent.h> // POSIX, but should compile with linux & mingw...
#include <time.h>
#include <SDL.h>
#include "jaguar.h"
-#include "crc32.h"
-#include "zlib.h"
-#include "unzip.h"
#include "video.h"
#include "gui.h"
-#include "sdlemu_opengl.h" // For testing only... ;-)
+#include "sdlemu_opengl.h"
+#include "settings.h" // Pull in "vjs" struct
-// Uncomment this for speed control
+// Uncomment this for speed control (?)
//#define SPEED_CONTROL
// Private function prototypes
-void InitSDL(void);
-uint32 JaguarLoadROM(uint8 *, char *);
-void JaguarLoadCart(uint8 *, char *);
-int gzfilelength(gzFile gd);
-
// External variables
extern uint8 * jaguar_mainRam;
-extern uint8 * jaguar_bootRom;
extern uint8 * jaguar_mainRom;
+extern uint8 * jaguar_bootRom;
+extern uint8 * jaguar_CDBootROM;
-// Various paths
-
-static char * jaguar_bootRom_path = "./bios/jagboot.rom";
-//static char *jaguar_bootRom_path="c:/jaguarEmu/newload.img";
-//static char *jaguar_bootRom_path="./bios/JagOS.bin";
-char * jaguar_eeproms_path = "./eeproms/";
-char jaguar_boot_dir[1024];
-
-SDL_Surface * surface, * mainSurface;
-int16 * backbuffer = NULL;
-SDL_Joystick * joystick;
-Uint32 mainSurfaceFlags = SDL_SWSURFACE;
+// Global variables (export capable)
+//should these even be here anymore?
bool finished = false;
-bool fullscreen = false;
-bool hardwareTypeNTSC = true; // Set to false for PAL
-
-bool useJoystick = false;
-int32 nJoyport = 0; // Joystick port
bool showGUI = false;
-//These two should be local!
-// And now they are! ;-)
-bool jaguar_use_bios = false; // Default is now to USE the BIOS
-bool dsp_enabled = false;
-
-// Keybindings in order of L, R, U, D, C, B, A, Op, Pa, 0-9, #, *
-uint16 p1KeyBindings[21] = {};
-uint16 p2KeyBindings[21] = {};
-
bool showMessage = false;
uint32 showMessageTimeout;
char messageBuffer[200];
-
-bool useOpenGL = true; // ! ;-)
+bool BIOSLoaded = false;
+bool CDBIOSLoaded = false;
//
// The main emulator loop (what else?)
//
//Maybe we should move the video stuff to TOM? Makes more sense to put it there...
+//Actually, it would probably be better served in VIDEO.CPP... !!! FIX !!! [DONE]
uint32 totalFrames;//temp, so we can grab this from elsewhere...
int main(int argc, char * argv[])
{
- uint32 startTime;//, totalFrames;//, endTime;//, w, h;
- uint32 nNormalLast = 0;
- int32 nNormalFrac = 0;
- int32 nFrameskip = 0; // Default: Show every frame
- int32 nFrame = 0; // No. of Frame
-
- printf("Virtual Jaguar/SDL v1.0.6 (GCC/SDL Port)\n");
- printf("Based upon Virtual Jaguar core v1.0.0 by cal2 of Potato emulation.\n");
- printf("Written by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)\n");
- printf("Portions massaged by James L. Hammons (WIN32)\n");
+// uint32 startTime;//, totalFrames;//, endTime;//, w, h;
+// uint32 nNormalLast = 0;
+// int32 nNormalFrac = 0;
+ int32 nFrameskip = 0; // Default: Show every frame
+// int32 nFrame = 0; // No. of Frame
+
+ printf("Virtual Jaguar GCC/SDL Portable Jaguar Emulator v1.0.7\n");
+ printf("Based upon Virtual Jaguar core v1.0.0 by David Raingeard.\n");
+ printf("Written by Niels Wagenaar (Linux/WIN32), Carwin Jones (BeOS),\n");
+ printf("James L. Hammons (WIN32) and Adam Green (MacOS)\n");
printf("Contact: http://sdlemu.ngemu.com/ | sdlemu@ngemu.com\n");
- // BIOS is now ON by default--use the -nobios switch to turn it off!
- jaguar_use_bios = true;
- bool haveCart = false; // Assume there is no cartridge...!
+ bool haveCart = false; // Assume there is no cartridge...!
+
+ log_init("vj.log");
+ LoadVJSettings(); // Get config file settings...
- // Checking the switches ;)
+ // Check the switches... ;-)
+ // NOTE: Command line switches can override any config file settings, thus the
+ // proliferation of the noXXX switches. ;-)
for(int i=1; i<argc || argv[i]!=NULL; i++)
{
// This would be the most likely place to do the cart loading...
if (argv[i][0] != '-')
- haveCart = true; // It looks like we have a cartridge!
-
- if (!strcmp(argv[i], "-fullscreen"))
- fullscreen = true;
-
-//We *don't* need this option!
-/* if (!strcmp(argv[i], "-window"))
-// console.option("windowed output");
- fullscreen = false;*/
+ haveCart = true; // It looks like we have a cartridge!
if (!strcmp(argv[i], "-joystick"))
- useJoystick = true;
+ vjs.useJoystick = true;
if (!strcmp(argv[i], "-joyport"))
{
- nJoyport = atoi(argv[++i]) + 1;
- if (nJoyport > 3)
- nJoyport = 3;
+ vjs.joyport = atoi(argv[++i]) + 1;
+ if (vjs.joyport > 3)
+ vjs.joyport = 3;
}
if (!strcmp(argv[i], "-frameskip"))
#endif
}
+ if (!strcmp(argv[i], "-bios"))
+ vjs.useJaguarBIOS = true;
+
if (!strcmp(argv[i], "-nobios"))
- jaguar_use_bios = false;
+ vjs.useJaguarBIOS = false;
+
+ if (!strcmp(argv[i], "-dsp"))
+ vjs.DSPEnabled = true;
- if (!strcmp(argv[i], "-dspon"))
- dsp_enabled = 1;
+ if (!strcmp(argv[i], "-nodsp"))
+ vjs.DSPEnabled = false;
+
+ if (!strcmp(argv[i], "-pipeline"))
+ vjs.usePipelinedDSP = true;
+
+ if (!strcmp(argv[i], "-nopipeline"))
+ vjs.usePipelinedDSP = false;
+
+ if (!strcmp(argv[i], "-gl"))
+ vjs.useOpenGL = true;
+
+ if (!strcmp(argv[i], "-nogl"))
+ vjs.useOpenGL = false;
+
+ if (!strcmp(argv[i], "-fullscreen"))
+ vjs.fullscreen = true;
+
+ if (!strcmp(argv[i], "-window"))
+ vjs.fullscreen = false;
if (!strcmp(argv[i], "-pal"))
- hardwareTypeNTSC = false;
+ vjs.hardwareTypeNTSC = false;
+
+ if (!strcmp(argv[i], "-ntsc"))
+ vjs.hardwareTypeNTSC = true;
if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-?"))
{
printf("Usage: \n\n");
printf("vj [romfile] [switches]\n");
printf(" -? or -help : Display usage and switches \n");
- printf(" -fullscreen : Enable fullscreen mode (default: windowed)\n");
printf(" -frameskip 1-10 : Enable frameskip 1 - 10 (default: none) \n");
printf(" -joystick : Enable joystick/gamepad \n");
- printf(" -joyport 0-3 : Select desired joystick port \n");
+ printf(" -joyport 0-3 : Select desired joystick port \n");
+ printf(" -bios : Boot cart using Jaguar BIOS ROM \n");
printf(" -nobios : Boot cart without using Jaguar BIOS ROM \n");
- printf(" -dspon : Force VJ to use the DSP \n");
- printf(" -pal : Force VJ to PAL mode (default is NTSC) \n");
+ printf(" -dsp : Force VJ to use the DSP \n");
+ printf(" -nodsp : Force VJ to run without the DSP \n");
+ printf(" -pipeline : Use the DSP pipelined core \n");
+ printf(" -nopipeline : Use the DSP non-pipelined core \n");
+ printf(" -gl : Use OpenGL rendering \n");
+ printf(" -nogl : Use old non-OpenGL rendering \n");
+ printf(" -fullscreen : Enable fullscreen mode (default: windowed)\n");
+ printf(" -window : Enable windowed mode \n");
+ printf(" -pal : Force VJ to PAL mode (default: NTSC) \n");
+ printf(" -ntsc : Force VJ to NTSC mode \n");
printf("\nInvoking Virtual Jagaur with no ROM file will cause it to boot up\n");
- printf("with the Jaguar BIOS.\n");
+ printf("with the VJ GUI.\n");
return 1;
}
}
- getcwd(jaguar_boot_dir, 1024);
- log_init("vj.log");
- memory_init();
- version_init();
+ // Set up SDL library
+ if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0)
+// | SDL_INIT_CDROM) < 0)
+// | SDL_INIT_CDROM | SDL_INIT_NOPARACHUTE) < 0)
+ {
+ WriteLog("VJ: Could not initialize the SDL library: %s\n", SDL_GetError());
+ return -1;
+ }
+ WriteLog("VJ: SDL successfully initialized.\n");
+
+WriteLog("Initializing memory subsystem...\n");
+ InitMemory();
+WriteLog("Initializing version...\n");
+ InitVersion();
version_display(log_get());
+WriteLog("Initializing jaguar subsystem...\n");
jaguar_init();
// Get the BIOS ROM
- if (jaguar_use_bios)
- JaguarLoadROM(jaguar_bootRom, jaguar_bootRom_path);
+// if (vjs.useJaguarBIOS)
+// What would be nice here would be a way to check if the BIOS was loaded so that we
+// could disable the pushbutton on the Misc Options menu... !!! FIX !!! [DONE here, but needs to be fixed in GUI as well!]
+WriteLog("About to attempt to load BIOSes...\n");
+ BIOSLoaded = (JaguarLoadROM(jaguar_bootRom, vjs.jagBootPath) == 0x20000 ? true : false);
+ WriteLog("VJ: BIOS is %savailable...\n", (BIOSLoaded ? "" : "not "));
+ CDBIOSLoaded = (JaguarLoadROM(jaguar_CDBootROM, vjs.CDBootPath) == 0x40000 ? true : false);
+ WriteLog("VJ: CD BIOS is %savailable...\n", (CDBIOSLoaded ? "" : "not "));
SET32(jaguar_mainRam, 0, 0x00200000); // Set top of stack...
-//This is done here, so that we get valid numbers from TOM... !!! FIX !!!
- jaguar_reset();
-
- // Set up the backbuffer
-// int16 * backbuffer = (int16 *)malloc(845 * 525 * sizeof(int16));
- backbuffer = (int16 *)malloc(845 * 525 * sizeof(int16));
- memset(backbuffer, 0x22, tom_getVideoModeWidth() * tom_getVideoModeHeight() * sizeof(int16));
-
- InitSDL();
+WriteLog("Initializing video subsystem...\n");
+ InitVideo();
+WriteLog("Initializing GUI subsystem...\n");
+ InitGUI();
// Get the cartridge ROM (if passed in)
-// if (haveCart)
-// JaguarLoadCart(jaguar_mainRom, argv[1]);
// Now with crunchy GUI goodness!
- JaguarLoadCart(jaguar_mainRom, (haveCart ? argv[1] : (char *)""));
+// JaguarLoadCart(jaguar_mainRom, (haveCart ? argv[1] : vjs.ROMPath));
+//Need to find a better way to handle this crap...
+WriteLog("About to start GUI...\n");
+// GUIMain();
+ GUIMain(haveCart ? argv[1] : NULL);
-//Do this again??? Hmm... This is not very nice.
-//Maybe it's not necessary??? Seems to be, at least for PD ROMs... !!! FIX !!!
- jaguar_reset();
+/* jaguar_reset();
totalFrames = 0;
startTime = clock();
for(int i=0; i<nCount-1; i++)
jaguar_exec(backbuffer, false);
#endif
- // Setting up new backbuffer with new pixels and data
+ // Set up new backbuffer with new pixels and data
JaguarExecute(backbuffer, true);
totalFrames++;
+//WriteLog("Frame #%u...\n", totalFrames);
+//extern bool doDSPDis;
+//if (totalFrames == 373)
+// doDSPDis = true;
- // GUI stuff here...
+ // Some QnD GUI stuff here...
if (showGUI)
{
extern uint32 gpu_pc, dsp_pc;
#ifdef SPEED_CONTROL
}
#endif
- }
+ }*/
- int elapsedTime = clock() - startTime;
- int fps = (1000 * totalFrames) / elapsedTime;
- fprintf(log_get(), "VJ: Ran at an average of %i FPS.\n", fps);
+//This is no longer accurate...!
+// int elapsedTime = clock() - startTime;
+// int fps = (1000 * totalFrames) / elapsedTime;
+// WriteLog("VJ: Ran at an average of %i FPS.\n", fps);
jaguar_done();
- version_done();
- memory_done();
+ VersionDone();
+ MemoryDone();
+ VideoDone();
log_done();
- if (useOpenGL)
- sdlemu_close_opengl();
- SDL_JoystickClose(joystick);
- SDL_FreeSurface(surface);
+ // Free SDL components last...!
+// SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_CDROM);
SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER);
SDL_Quit();
return 0;
}
-
-//
-// Prime SDL and create surfaces
-//
-void InitSDL(void)
-{
- // Set up SDL library
- if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE) < 0)
- {
- WriteLog("VJ: Could not initialize the SDL library: %s", SDL_GetError());
- exit(1);
- }
-
- // Get proper info about the platform we're running on...
- const SDL_VideoInfo * info = SDL_GetVideoInfo();
-
- if (!info)
- {
- WriteLog("VJ: SDL is unable to get the video info: %s\n", SDL_GetError());
- exit(1);
- }
-
- if (useOpenGL)
- {
- mainSurfaceFlags = SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF | SDL_OPENGL;
- SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
- }
- else
- {
- if (info->hw_available)
- mainSurfaceFlags = SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF;
-
- if (info->blit_hw)
- mainSurfaceFlags |= SDL_HWACCEL;
- }
-
- if (fullscreen)
- mainSurfaceFlags |= SDL_FULLSCREEN;
-
-// mainSurface = SDL_SetVideoMode(tom_getVideoModeWidth(), tom_getVideoModeHeight(), 16, mainSurfaceFlags);
-//Testing purposes... :-)
- mainSurface = SDL_SetVideoMode(tom_getVideoModeWidth()*2, tom_getVideoModeHeight()*2, 16, mainSurfaceFlags);
-
- if (mainSurface == NULL)
- {
- WriteLog("VJ: SDL is unable to set the video mode: %s\n", SDL_GetError());
- exit(1);
- }
-
- SDL_WM_SetCaption("Virtual Jaguar", "Virtual Jaguar");
-
- // Create the primary SDL display (16 BPP, 5/5/5 RGB format)
- surface = SDL_CreateRGBSurface(SDL_SWSURFACE, tom_getVideoModeWidth(),
- tom_getVideoModeHeight(), 16, 0x7C00, 0x03E0, 0x001F, 0);
-
- if (surface == NULL)
- {
- WriteLog("VJ: Could not create primary SDL surface: %s\n", SDL_GetError());
- exit(1);
- }
-
- if (useOpenGL)
-// sdlemu_init_opengl(surface, 1/*method*/, 1/*size*/, 0/*texture type (linear, nearest)*/);
-//Testing purposes... :-)
- sdlemu_init_opengl(surface, 1/*method*/, 2/*size*/, 0/*texture type (linear, nearest)*/);
-
- // Initialize Joystick support under SDL
- if (useJoystick)
- {
- if (SDL_NumJoysticks() <= 0)
- {
- useJoystick = false;
- printf("VJ: No joystick(s) or joypad(s) detected on your system. Using keyboard...\n");
- }
- else
- {
- if ((joystick = SDL_JoystickOpen(nJoyport)) == 0)
- {
- useJoystick = false;
- printf("VJ: Unable to open a Joystick on port: %d\n", (int)nJoyport);
- }
- else
- printf("VJ: Using: %s\n", SDL_JoystickName(nJoyport));
- }
- }
-}
-
-//
-// Generic ROM loading
-//
-uint32 JaguarLoadROM(uint8 * rom, char * path)
-{
- uint32 romSize = 0;
-
- char * ext = strrchr(path, '.');
- if (ext != NULL)
- {
- WriteLog("VJ: Loading %s...", path);
-
- if (stricmp(ext, ".zip") == 0)
- {
- // Handle ZIP file loading here...
- WriteLog("(ZIPped)...");
-
- if (load_zipped_file(0, 0, path, NULL, &rom, &romSize) == -1)
- {
- WriteLog("Failed!\n");
- return 0;
- }
- }
- else
- {
-/* FILE * fp = fopen(path, "rb");
-
- if (fp == NULL)
- {
- WriteLog("Failed!\n");
- return 0;
- }
-
- fseek(fp, 0, SEEK_END);
- romSize = ftell(fp);
- fseek(fp, 0, SEEK_SET);
- fread(rom, 1, romSize, fp);
- fclose(fp);*/
-
- gzFile fp = gzopen(path, "rb");
-
- if (fp == NULL)
- {
- WriteLog("Failed!\n");
- return 0;
- }
-
- //fseek(fp, 0, SEEK_END);
- romSize = gzfilelength(fp);//ftell(fp);
- gzseek(fp, 0, SEEK_SET);
- gzread(fp, rom, romSize);
- gzclose(fp);
- }
-
- WriteLog("OK (%i bytes)\n", romSize);
- }
-
- return romSize;
-}
-
-//
-// Jaguar cartridge ROM loading
-//
-void JaguarLoadCart(uint8 * mem, char * path)
-{
- uint32 romSize = JaguarLoadROM(mem, path);
-
- if (romSize == 0)
- {
- char newPath[2048];
- WriteLog("VJ: Trying GUI...\n");
-
-//This is not *nix friendly for some reason...
-// if (!UserSelectFile(path, newPath))
- if (!UserSelectFile((path == "" ? (char *)"." : path), newPath))
- {
- WriteLog("VJ: Could not find valid ROM in directory \"%s\"...\nAborting!\n", path);
- log_done();
- exit(0);
- }
-
- romSize = JaguarLoadROM(mem, newPath);
-
- if (romSize == 0)
- {
- WriteLog("VJ: Could not load ROM from file \"%s\"...\nAborting!\n", newPath);
- log_done();
- exit(0);
- }
- }
-
- jaguar_mainRom_crc32 = crc32_calcCheckSum(jaguar_mainRom, romSize);
- WriteLog("CRC: %08X\n", (unsigned int)jaguar_mainRom_crc32);
- eeprom_init();
-}
-
-//
-// Get the length of a (possibly) gzipped file
-//
-int gzfilelength(gzFile gd)
-{
- int size = 0, length = 0;
- unsigned char buffer[0x10000];
-
- gzrewind(gd);
-
- do
- {
- // Read in chunks until EOF
- size = gzread(gd, buffer, 0x10000);
-
- if (size <= 0)
- break;
-
- length += size;
- }
- while (!gzeof(gd));
-
- gzrewind(gd);
- return length;
-}