//
// 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 <time.h>
#include <SDL.h>
-//#include "SDLptc.h" // Ick! Aargh! Bleah!
#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... ;-)
// 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;
-//Console console;
-//Surface * surface;
-//Format format(16, 0x007C00, 0x00003E0, 0x0000001F);
bool finished = false;
bool fullscreen = false;
-bool hardwareTypeNTSC = true; // Set to false for PAL
+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];
-// Added/changed by SDLEMU http://sdlemu.ngemu.com
+bool useOpenGL = true; // ! ;-)
-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...
+uint32 totalFrames;//temp, so we can grab this from elsewhere...
int main(int argc, char * argv[])
{
uint32 startTime;//, totalFrames;//, endTime;//, w, h;
-// int32 * vs;
uint32 nNormalLast = 0;
int32 nNormalFrac = 0;
-// int32 i = 0;
-//unused int32 nTime = 0;
-//unused int32 nCount = 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("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");
printf("Contact: http://sdlemu.ngemu.com/ | sdlemu@ngemu.com\n");
-// console.option("windowed output");
-
// 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...!
// Checking the switches ;)
haveCart = true; // It looks like we have a cartridge!
if (!strcmp(argv[i], "-fullscreen"))
-// {
fullscreen = true;
-// console.option("fullscreen output");
-// }
//We *don't* need this option!
/* if (!strcmp(argv[i], "-window"))
fullscreen = false;*/
if (!strcmp(argv[i], "-joystick"))
-// console.option("joystick enabled");
useJoystick = true;
if (!strcmp(argv[i], "-joyport"))
{
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(" -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("\nInvoking Virtual Jagaur with no ROM file will cause it to boot up\n");
printf("with the Jaguar BIOS.\n");
return 1;
SET32(jaguar_mainRam, 0, 0x00200000); // Set top of stack...
- // Get the cartridge ROM (if passed in)
- if (haveCart)
- JaguarLoadCart(jaguar_mainRom, argv[1]);
-
+//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));
- memset(backbuffer, 0xAA, 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);
- }
-
- // 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 query: %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...
- 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 = new Surface(tom_getVideoModeWidth(), tom_getVideoModeHeight(), format);
-//Format format(16, 0x007C00, 0x00003E0, 0x0000001F);
- 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", SDL_GetError());
- exit(1);
- }
+ // 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));
- // Initialize Joystick support under SDL
-// if (console.JoyEnabled() == 1)
- if (useJoystick)
- {
- if (SDL_NumJoysticks() <= 0)
- {
-// console.option("joystick disabled");
- useJoystick = false;
- printf("No joystick(s) or joypad(s) detected on your system. Using keyboard...\n");
- }
- else
- {
-// if ((console.joystick = SDL_JoystickOpen(nJoyport)) == 0)
- if ((joystick = SDL_JoystickOpen(nJoyport)) == 0)
- {
-// console.option("joystick disabled");
- useJoystick = false;
- printf("Unable to open a Joystick on port: %d\n", (int)nJoyport);
- }
- else
- printf("Using: %s\n", SDL_JoystickName(nJoyport));
- }
- }
+ InitSDL();
- // Open the display and start emulating some 3l337 Atari Jaguar games :P
-// console.open("Virtual Jaguar", tom_getVideoModeWidth(), tom_getVideoModeHeight(), format);
+ // 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 *)""));
+//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;
startTime = clock();
nNormalLast = 0; // Last value of timeGetTime()
jaguar_exec(backbuffer, false);
#endif
// Setting up new backbuffer with new pixels and data
-// jaguar_exec(backbuffer, true);
JaguarExecute(backbuffer, true);
totalFrames++;
+ // GUI stuff here...
+ if (showGUI)
+ {
+ 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)
{
-// int32 * vs = (int32 *)surface->lock();
- if (SDL_MUSTLOCK(surface))
- while (SDL_LockSurface(surface) < 0)
- SDL_Delay(10);
-// uint8 * vs = (Uint8 *)surface->pixels;
-// memcpy(vs, backbuffer, tom_width * tom_height * 2);
- memcpy(surface->pixels, backbuffer, tom_width * tom_height * 2);
-// surface->unlock();
- if (SDL_MUSTLOCK(surface))
- SDL_UnlockSurface(surface);
-// surface->copy(console);
- 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_LowerBlit(surface, &srcrect, dst.surface, &dstrect);
- SDL_BlitSurface(surface, &srcrect, mainSurface, &dstrect);
-// dst.updates[dst.nupdates++] = dstrect;
-// console.update();
- SDL_Flip(mainSurface);
-// nupdates = 0;
-
+ RenderBackbuffer();
nFrame = 0;
}
else
nFrame++;
joystick_exec();
-
+
#ifdef SPEED_CONTROL
}
#endif
int elapsedTime = clock() - startTime;
int fps = (1000 * totalFrames) / elapsedTime;
- fprintf(log_get(), "Statistics: %i FPS\n", fps);
+ fprintf(log_get(), "VJ: Ran at an average of %i FPS.\n", fps);
jaguar_done();
version_done();
memory_done();
log_done();
-// console.close(); // Close SDL items as last!
+
+ if (useOpenGL)
+ sdlemu_close_opengl();
SDL_JoystickClose(joystick);
SDL_FreeSurface(surface);
SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER);
}
//
-// Generic ROM loading
+// Prime SDL and create surfaces
//
-uint32 JaguarLoadROM(uint8 * rom, char * path)
+void InitSDL(void)
{
- uint32 romSize;
+ // 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);
+ }
- WriteLog("JagEm: Loading %s...", path);
+ // Get proper info about the platform we're running on...
+ const SDL_VideoInfo * info = SDL_GetVideoInfo();
- char * ext = strrchr(path, '.');
- if (strcmpi(ext, ".zip") == 0)
+ 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
{
- // Handle ZIP file loading here...
- WriteLog("(ZIPped)...");
+ if (info->hw_available)
+ mainSurfaceFlags = SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF;
- if (load_zipped_file(0, 0, path, NULL, &rom, &romSize) == -1)
+ 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)
{
- WriteLog("Failed!\n");
- log_done();
- exit(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));
}
}
- else
+}
+
+//
+// Generic ROM loading
+//
+uint32 JaguarLoadROM(uint8 * rom, char * path)
+{
+ uint32 romSize = 0;
+
+ char * ext = strrchr(path, '.');
+ if (ext != NULL)
{
- FILE * fp = fopen(path, "rb");
+ WriteLog("VJ: Loading %s...", path);
- if (fp == NULL)
+ if (stricmp(ext, ".zip") == 0)
{
- WriteLog("Failed!\n");
- log_done();
- exit(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");
- fseek(fp, 0, SEEK_END);
- romSize = ftell(fp);
- fseek(fp, 0, SEEK_SET);
- fread(rom, 1, romSize, fp);
- fclose(fp);
+ 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);
}
- WriteLog("OK (%i bytes)\n", romSize);
return romSize;
}
//
void JaguarLoadCart(uint8 * mem, char * path)
{
- uint32 romsize = JaguarLoadROM(mem, path);
- jaguar_mainRom_crc32 = crc32_calcCheckSum(jaguar_mainRom, romsize);
- WriteLog( "CRC: %08X\n", (unsigned int)jaguar_mainRom_crc32);
+ 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;
+}
projects / virtualjaguar / blobdiff