X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvj.cpp;h=72b84ad8f011d986775cd01788f35214caef72e5;hb=767f6bf6bd409cfe67670167278c73f5e3c611aa;hp=7b86263964cacd9cdc805c49b6cd5cb6bf736700;hpb=908989f2bb1688adaa5163f3c96c60ef24b841ee;p=virtualjaguar diff --git a/src/vj.cpp b/src/vj.cpp index 7b86263..72b84ad 100644 --- a/src/vj.cpp +++ b/src/vj.cpp @@ -1,22 +1,18 @@ // // 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 +#include // Is this necessary anymore? #endif -#include // POSIX, but should compile with linux & mingw... #include #include #include "jaguar.h" -#include "crc32.h" -#include "zlib.h" -#include "unzip.h" #include "video.h" #include "gui.h" #include "sdlemu_opengl.h" @@ -27,35 +23,23 @@ // Private function prototypes -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[MAX_PATH]; - -//These should go into video.cpp... -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 showGUI = false; bool showMessage = false; uint32 showMessageTimeout; char messageBuffer[200]; +bool BIOSLoaded = false; +bool CDBIOSLoaded = false; // // The main emulator loop (what else?) @@ -65,15 +49,15 @@ char messageBuffer[200]; 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"); +// 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"); @@ -124,6 +108,12 @@ int main(int argc, char * argv[]) 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; @@ -154,6 +144,8 @@ int main(int argc, char * argv[]) printf(" -nobios : Boot cart without using Jaguar BIOS ROM \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"); @@ -161,38 +153,55 @@ int main(int argc, char * argv[]) 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); - 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 (vjs.useJaguarBIOS) - JaguarLoadROM(jaguar_bootRom, vjs.jagBootPath); +// 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... - // Set up the backbuffer -//To be safe, this should be 1280 * 625 * 2... -// backbuffer = (int16 *)malloc(845 * 525 * sizeof(int16)); - backbuffer = (int16 *)malloc(1280 * 625 * sizeof(int16)); - memset(backbuffer, 0x44, 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 *)"")); - JaguarLoadCart(jaguar_mainRom, (haveCart ? argv[1] : vjs.ROMPath)); +// 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); - jaguar_reset(); +/* jaguar_reset(); totalFrames = 0; startTime = clock(); @@ -230,6 +239,10 @@ int main(int argc, char * argv[]) // 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; // Some QnD GUI stuff here... if (showGUI) @@ -253,138 +266,23 @@ int main(int argc, char * argv[]) #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...! + VersionDone(); + MemoryDone(); + VideoDone(); 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)..."); + // 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(); - 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); - } - - 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((strlen(path) == 0 ? (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; }