//
// 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>
-#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"
#include "settings.h" // Pull in "vjs" struct
-
-// Uncomment this for speed control (?)
-//#define SPEED_CONTROL
+#include "log.h"
+#include "version.h"
+#include "memory.h"
+#include "file.h"
+
+// Uncomment this to use built-in BIOS/CD-ROM BIOS
+// You'll need a copy of jagboot.h & jagcd.h for this to work...!
+//#define USE_BUILT_IN_BIOS
+
+#ifdef USE_BUILT_IN_BIOS
+#include "jagboot.h"
+#include "jagcd.h"
+#endif
// 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;
-
-// 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;
-
-bool finished = false;
-bool showGUI = false;
-bool showMessage = false;
-uint32 showMessageTimeout;
-char messageBuffer[200];
-
//
// 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...
+//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 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");
+//NOTE: This isn't actually used anywhere... !!! FIX !!!
+ int32 nFrameskip = 0; // Default: Show every frame
+
+ printf("Virtual Jaguar GCC/SDL Portable Jaguar Emulator v1.1.0\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");
bool haveCart = false; // Assume there is no cartridge...!
+ log_init("vj.log");
LoadVJSettings(); // Get config file settings...
// Check the switches... ;-)
- // NOTE: Command line switches can override any config file settings.
+ // 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++)
{
if (argv[i][0] != '-')
haveCart = true; // It looks like we have a cartridge!
- if (!strcmp(argv[i], "-fullscreen"))
- vjs.fullscreen = true;
-
- if (!strcmp(argv[i], "-joystick"))
+ if (!strcmp(argv[i], "-joystick"))
vjs.useJoystick = true;
if (!strcmp(argv[i], "-joyport"))
nFrameskip = atoi(argv[++i]) + 1;
if (nFrameskip > 10)
nFrameskip = 10;
-#ifdef SPEED_CONTROL
- nFrameskip = 0;
-#endif
}
if (!strcmp(argv[i], "-bios"))
if (!strcmp(argv[i], "-dsp"))
vjs.DSPEnabled = true;
- if (!strcmp(argv[i], "-pal"))
- vjs.hardwareTypeNTSC = false;
+ 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], "-help") || !strcmp(argv[i], "-?"))
+ if (!strcmp(argv[i], "-fullscreen"))
+ vjs.fullscreen = true;
+
+ if (!strcmp(argv[i], "-window"))
+ vjs.fullscreen = false;
+
+ if (!strcmp(argv[i], "-pal"))
+ 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(" -? or --help : Display usage and switches \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(" -dsp : Force VJ to use the DSP \n");
- printf(" -pal : Force VJ to PAL mode (default is NTSC) \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)
+ {
+ 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 (vjs.useJaguarBIOS)
- JaguarLoadROM(jaguar_bootRom, jaguar_bootRom_path);
+#ifdef USE_BUILT_IN_BIOS
+ WriteLog("VJ: Using built in BIOS/CD BIOS...\n");
+ memcpy(jaguar_bootRom, jagBootROM, 0x20000);
+ memcpy(jaguar_CDBootROM, jagCDROM, 0x40000);
+ BIOSLoaded = CDBIOSLoaded = true;
+#else
+// 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 "));
+#endif
SET32(jaguar_mainRam, 0, 0x00200000); // Set top of stack...
- // Set up the backbuffer
-//To be safe, this should be 1280 * 625 * 2...
- backbuffer = (int16 *)malloc(845 * 525 * sizeof(int16));
- memset(backbuffer, 0x22, VIRTUAL_SCREEN_WIDTH * VIRTUAL_SCREEN_HEIGHT * sizeof(int16));
-
+WriteLog("Initializing video subsystem...\n");
InitVideo();
+WriteLog("Initializing GUI subsystem...\n");
InitGUI();
- // Get the cartridge ROM (if passed in)
// Now with crunchy GUI goodness!
- JaguarLoadCart(jaguar_mainRom, (haveCart ? argv[1] : (char *)""));
-
- jaguar_reset();
-
- totalFrames = 0;
- startTime = clock();
- nNormalLast = 0; // Last value of timeGetTime()
- nNormalFrac = 0; // Extra fraction we did
- nNormalLast = SDL_GetTicks(); //timeGetTime();
+WriteLog("About to start GUI...\n");
+ GUIMain(haveCart ? argv[1] : NULL);
- while (!finished)
- {
-#ifdef SPEED_CONTROL
- nTime = SDL_GetTicks() - nNormalLast; // calcule le temps écoulé depuis le dernier affichage
- // nTime est en mili-secondes.
- // détermine le nombre de trames à passer + 1
- nCount = (nTime * 600 - nNormalFrac) / 10000;
-
- // si le nombre de trames à passer + 1 est nul ou négatif,
- // ne rien faire pendant 2 ms
- if (nCount <= 0)
- {
- //Sleep(2);
- //SDL_Delay(1);
- } // No need to do anything for a bit
- else
- {
- nNormalFrac += nCount * 10000; //
- nNormalLast += nNormalFrac / 600; // add the duration of nNormalFrac frames
- nNormalFrac %= 600; //
-
- // Pas plus de 9 (10-1) trames non affichées
- if (nCount > 10)
- nCount = 10;
- for(int i=0; i<nCount-1; i++)
- jaguar_exec(backbuffer, false);
-#endif
- // Set up new backbuffer with new pixels and data
- JaguarExecute(backbuffer, true);
- totalFrames++;
-
- // Some QnD 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)
- {
- RenderBackbuffer();
- nFrame = 0;
- }
- else
- nFrame++;
-
- joystick_exec();
-
-#ifdef SPEED_CONTROL
- }
-#endif
- }
-
- int elapsedTime = clock() - startTime;
- int fps = (1000 * totalFrames) / elapsedTime;
- WriteLog("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();
- VideoDone(); // Free SDL components last...!
- log_done();
-
- return 0;
-}
-
-//
-// 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;
- }
-
- romSize = gzfilelength(fp);
- gzseek(fp, 0, SEEK_SET);
- gzread(fp, rom, romSize);
- gzclose(fp);
- }
-
- WriteLog("OK (%i bytes)\n", romSize);
- }
+ VersionDone();
+ MemoryDone();
+ VideoDone();
+ log_done();
- return romSize;
-}
-
-//
-// Jaguar cartridge ROM loading
-//
-void JaguarLoadCart(uint8 * mem, char * path)
-{
- uint32 romSize = JaguarLoadROM(mem, path);
+ // Free SDL components last...!
+ SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO | SDL_INIT_TIMER);
+ SDL_Quit();
- 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;
+ return 0;
}