//
// 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" // 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;
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] = {};
-// Added/changed by SDLEMU http://sdlemu.ngemu.com
+bool showMessage = false;
+uint32 showMessageTimeout;
+char messageBuffer[200];
+bool useOpenGL = true; // ! ;-)
+
+//
+// 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[])
{
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("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");
// 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 ;)
{
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;
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);
- }
-
- // 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;
-
- 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));
- }
- }
+ InitSDL();
// Get the cartridge ROM (if passed in)
// if (haveCart)
if (showGUI)
{
extern uint32 gpu_pc, dsp_pc;
- DrawText(backbuffer, 8, 8, false, "GPU PC: %08X", gpu_pc);
- DrawText(backbuffer, 8, 16, false, "DSP PC: %08X", 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)
{
- BlitBackbuffer();
+ RenderBackbuffer();
nFrame = 0;
}
else
nFrame++;
joystick_exec();
-
+
#ifdef SPEED_CONTROL
}
#endif
memory_done();
log_done();
+ 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);
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
//
}
else
{
- FILE * fp = fopen(path, "rb");
+/* FILE * fp = fopen(path, "rb");
if (fp == NULL)
{
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;
+ }
+
+ //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("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 / commitdiff