//
// Virtual Jaguar Emulator
//
-// by cal2
+// Original codebase by Cal2
// GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
-// Cleanups/fixes by James L. Hammons
+// Cleanups/fixes/enhancements by James L. Hammons and Adam Green
//
-// Added by SDLEMU (http://sdlemu.ngemu.com)
-// Added for GCC UNIX compatibility
#ifdef __GCCUNIX__
#include <unistd.h>
-#endif // __GCCUNIX__
+#endif
-#include <dirent.h> // POSIX, but should compile with linux & mingw...
+#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"
+#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
-//These two should be local!
-extern bool jaguar_use_bios;
-extern bool dsp_enabled;
-
extern uint8 * jaguar_mainRam;
extern uint8 * jaguar_bootRom;
extern uint8 * jaguar_mainRom;
char jaguar_boot_dir[1024];
SDL_Surface * surface, * mainSurface;
+int16 * backbuffer = NULL;
SDL_Joystick * joystick;
Uint32 mainSurfaceFlags = SDL_SWSURFACE;
bool finished = false;
-bool fullscreen = false;
-bool hardwareTypeNTSC = true; // Set to false for PAL
-
-bool useJoystick = false;
bool showGUI = false;
+bool showMessage = false;
+uint32 showMessageTimeout;
+char messageBuffer[200];
-int16 * backbuffer = NULL;
-
-// Added/changed by SDLEMU http://sdlemu.ngemu.com
-
-uint32 totalFrames;//so we can grab this from elsewhere...
+//
+// 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 !!!
+uint32 totalFrames;//temp, so we can grab this from elsewhere...
int main(int argc, char * argv[])
{
-
-/*DIR * dp = opendir("../../ROMs/");
-if (dp == NULL)
- printf("Could not open directory!\n");
-else
-{
- dirent * de;
- while ((de = readdir(dp)) != NULL)
- {
- char * ext = strrchr(de->d_name, '.');
- if (strcmpi(ext, ".zip") == 0 || strcmpi(ext, ".jag") == 0)
- printf("--> %s\n", de->d_name);
- }
-
- closedir(dp);
-}*/
-
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
- int32 nJoyport = 0; // Joystick port
-
- printf("Virtual Jaguar/SDL v1.0.5 (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");
+ int32 nFrameskip = 0; // Default: Show every frame
+ int32 nFrame = 0; // No. of Frame
+
+ printf("Virtual Jaguar GCC/SDL Portable Jaguar Emulator v1.0.6\n");
+ printf("Based upon Virtual Jaguar core v1.0.0 by Cal2 of Potato emulation.\n");
+ printf("Written by Niels Wagenaar (Linux/WIN32), Caz (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...!
+
+ LoadVJSettings(); // Get config file settings...
- // Checking the switches ;)
+ // Check the switches... ;-)
+ // NOTE: Command line switches can override any config file settings.
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!
+ 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;*/
+ vjs.fullscreen = true;
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], "-dspon"))
- dsp_enabled = 1;
+ vjs.DSPEnabled = true;
if (!strcmp(argv[i], "-pal"))
- hardwareTypeNTSC = false;
+ vjs.hardwareTypeNTSC = false;
+
+ if (!strcmp(argv[i], "-nogl"))
+ vjs.useOpenGL = false;
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 (windowed default)\n");
- printf(" -frameskip 1-10 : Enable frameskip 1 (default) - 10 \n");
- printf(" -joystick : Enable joystick/gamepad \n");
- printf(" -joyport 0-3 : Select desired joystick port \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(" -? 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(" -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(" -nogl : Use old non-OpenGL rendering \n");
printf("\nInvoking Virtual Jagaur with no ROM file will cause it to boot up\n");
printf("with the Jaguar BIOS.\n");
return 1;
jaguar_init();
// Get the BIOS ROM
- if (jaguar_use_bios)
+ if (vjs.useJaguarBIOS)
JaguarLoadROM(jaguar_bootRom, jaguar_bootRom_path);
SET32(jaguar_mainRam, 0, 0x00200000); // Set top of stack...
- jaguar_reset();
-
// Set up the backbuffer
-// int16 * backbuffer = (int16 *)malloc(845 * 525 * sizeof(int16));
+//To be safe, this should be 1280 * 625 * 2...
backbuffer = (int16 *)malloc(845 * 525 * sizeof(int16));
- memset(backbuffer, 0x22, tom_getVideoModeWidth() * tom_getVideoModeHeight() * sizeof(int16));
-
- // 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);
- }
+ memset(backbuffer, 0x22, VIRTUAL_SCREEN_WIDTH * VIRTUAL_SCREEN_HEIGHT * sizeof(int16));
- // Let's 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 (info->hw_available)
- mainSurfaceFlags = SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF;
-
- if (info->blit_hw)
- mainSurfaceFlags |= SDL_HWACCEL;
-
- if (fullscreen)
- mainSurfaceFlags |= SDL_FULLSCREEN;
-
- // Note: mainSurface is *never* used again!
- //Not true--had to look at what's what here... It's the primary surface...
- mainSurface = SDL_SetVideoMode(tom_getVideoModeWidth(), tom_getVideoModeHeight(), 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);
- }
-
- // 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));
- }
- }
+ InitVideo();
+ 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] : (char *)""));
-//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();
totalFrames = 0;
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++;
- // GUI stuff here...
+ // Some QnD GUI stuff here...
if (showGUI)
{
- extern uint32 gpu_pc;
- extern uint32 dsp_pc;
- DrawText(backbuffer, 8, 0, true, "Friendly GUI brought to you by JLH ;-)");
- DrawText(backbuffer, 8, 8, false, "GPU PC: %08X", gpu_pc);
- DrawText(backbuffer, 8, 16, false, "DSP PC: %08X", dsp_pc);
+ extern uint32 gpu_pc, dsp_pc;
+ DrawString(backbuffer, 8, 8, false, "GPU PC: %08X", gpu_pc);
+ DrawString(backbuffer, 8, 16, false, "DSP PC: %08X", dsp_pc);
}
// Simple frameskip
if (nFrame == nFrameskip)
{
- if (SDL_MUSTLOCK(surface))
- while (SDL_LockSurface(surface) < 0)
- SDL_Delay(10);
-
- memcpy(surface->pixels, backbuffer, tom_width * tom_height * 2);
-
- if (SDL_MUSTLOCK(surface))
- SDL_UnlockSurface(surface);
-
- SDL_Rect srcrect, dstrect;
- srcrect.x = srcrect.y = 0, srcrect.w = surface->w, srcrect.h = surface->h;
- dstrect.x = dstrect.y = 0, dstrect.w = surface->w, dstrect.h = surface->h;
- SDL_BlitSurface(surface, &srcrect, mainSurface, &dstrect);
- SDL_Flip(mainSurface);
+ RenderBackbuffer();
nFrame = 0;
}
else
nFrame++;
joystick_exec();
-
+
#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);
+ WriteLog("VJ: Ran at an average of %i FPS.\n", fps);
jaguar_done();
version_done();
memory_done();
+ VideoDone(); // Free SDL components last...!
log_done();
- SDL_JoystickClose(joystick);
- SDL_FreeSurface(surface);
- SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER);
- SDL_Quit();
-
return 0;
}
-//
-// Very very crude GUI file selector
-//
-uint32 DoROMFind(uint8 * mem, char * path)
-{
- char cartName[2048]; // Really, should be MAX_PATH or something like it
- uint32 numFiles = 0;
- DIR * dp = opendir(path);
-
- if (dp == NULL)
- {
- WriteLog("VJ: Could not open directory \"%s\"!\nAborting!\n", path);
- log_done();
- exit(0);
- }
- else
- {
- dirent * de;
- while ((de = readdir(dp)) != NULL)
- {
- char * ext = strrchr(de->d_name, '.');
- if (ext != NULL)
- if (strcmpi(ext, ".zip") == 0 || strcmpi(ext, ".jag") == 0)
- numFiles++;
- }
- closedir(dp);
- }
-
- if (numFiles == 0)
- {
- WriteLog("Found no ROM files!\nAborting!\n");
- log_done();
- exit(0);
- }
-
- char * names = (char *)malloc(numFiles * 2048);
- if (names == NULL)
- {
- WriteLog("Could not allocate memory for %u files!\nAborting!\n", numFiles);
- log_done();
- exit(0);
- }
-
- int i = 0;
- dp = opendir(path);
- dirent * de;
- while ((de = readdir(dp)) != NULL)
- {
- char * ext = strrchr(de->d_name, '.');
- if (ext != NULL)
- if (strcmpi(ext, ".zip") == 0 || strcmpi(ext, ".jag") == 0)
- strcpy(&names[i++ * 2048], de->d_name);
- }
- closedir(dp);
-
- // Main GUI selection loop
-
- uint32 cursor = 0;
-
- if (numFiles > 1) // Only go GUI if more than one possibility!
- {
- bool done = false;
- uint32 limit = (numFiles > 24 ? 24 : numFiles);
- SDL_Event event;
- while (!done)
-
- while (SDL_PollEvent(&event))
- {
- // Draw the GUI...
- memset(backbuffer, 0x11, tom_getVideoModeWidth() * tom_getVideoModeHeight() * 2);
- uint32 startFile = (cursor >= limit ? cursor - limit + 1 : 0);
- for(uint32 i=0; i<limit; i++)
- {
- bool invert = (cursor == startFile + i ? true : false);
- char buf[41];
- // Guarantee that we clip our strings to fit in the screen...
- memcpy(buf, &names[(startFile + i) * 2048], 38);
- buf[38] = 0;
- DrawText(backbuffer, 0, i*8, invert, " %s ", buf);
- }
-
-
- if (SDL_MUSTLOCK(surface))
- while (SDL_LockSurface(surface) < 0)
- SDL_Delay(10);
-
-// memcpy(surface->pixels, backbuffer, tom_width * tom_height * 2);
- memcpy(surface->pixels, backbuffer, tom_getVideoModeWidth() * tom_getVideoModeHeight() * 2);
-
- if (SDL_MUSTLOCK(surface))
- SDL_UnlockSurface(surface);
-
- SDL_Rect srcrect, dstrect;
- srcrect.x = srcrect.y = 0, srcrect.w = surface->w, srcrect.h = surface->h;
- dstrect.x = dstrect.y = 0, dstrect.w = surface->w, dstrect.h = surface->h;
- SDL_BlitSurface(surface, &srcrect, mainSurface, &dstrect);
- SDL_Flip(mainSurface);
-
-
- if (event.type == SDL_KEYDOWN)
- {
- switch (event.key.keysym.sym)
- {
- case SDLK_UP:
- if (cursor != 0)
- cursor--;
- break;
- case SDLK_DOWN:
- if (cursor != numFiles - 1)
- cursor++;
- break;
- case SDLK_RETURN:
- done = true;
- break;
- }
- }
- }
- }
-
- strcpy(cartName, path);
- if (path[strlen(path) - 1] != '/')
- strcat(cartName, "/");
- strcat(cartName, &names[cursor * 2048]);
- free(names);
-
- uint32 romSize = JaguarLoadROM(mem, cartName);
- if (romSize == 0)
- {
- log_done();
- exit(0);
- }
- return romSize;
-}
-
//
// Generic ROM loading
//
{
WriteLog("VJ: Loading %s...", path);
- if (strcmpi(ext, ".zip") == 0)
+ 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");
-// log_done();
-// exit(0);
return 0;
}
}
else
{
- FILE * fp = fopen(path, "rb");
+/* FILE * fp = fopen(path, "rb");
if (fp == NULL)
{
WriteLog("Failed!\n");
-// log_done();
-// exit(0);
return 0;
}
romSize = ftell(fp);
fseek(fp, 0, SEEK_SET);
fread(rom, 1, romSize, fp);
- fclose(fp);
+ fclose(fp);*/
+
+ gzFile fp = gzopen(path, "rb");
+
+ if (fp == NULL)
+ {
+ WriteLog("Failed!\n");
+ return 0;
+ }
+
+ romSize = gzfilelength(fp);
+ gzseek(fp, 0, SEEK_SET);
+ gzread(fp, rom, romSize);
+ gzclose(fp);
}
WriteLog("OK (%i bytes)\n", romSize);
if (romSize == 0)
{
+ char newPath[2048];
WriteLog("VJ: Trying GUI...\n");
- romSize = DoROMFind(mem, path);
+
+//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);
+ 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;
+}