protected int readHWReg(Size size, int addr) { int reg = addr - 0x2000; if (mmap[reg] == null) { // Log.err(String.format("Read Memory Mapped register 0x%04x not implemented.", addr)); if (Settings.get(Settings.MEM_THROW_INVALID_ADDR).equals("true")) throw new RuntimeException( String.format("Read Memory Mapped register 0x%04x not implemented.", addr)); return 0; } if (size == Size.SHORT) { if (mmap[reg + 1] == null) { // mmap[addr-0x2000] = new UnimplementedHardwareRegister(); // Log.err(String.format("Read Memory Mapped register 0x%04x not implemented.", addr+1)); if (Settings.get(Settings.MEM_THROW_INVALID_ADDR).equals("true")) throw new RuntimeException( String.format("Read Memory Mapped register 0x%04x not implemented.", addr + 1)); return 0; } // LOW ALWAYS GOES FIRST int val = mmap[reg].getValue(); val |= mmap[reg + 1].getValue() << 8; return val; } else { return mmap[reg].getValue(); } }
protected void writeHWReg(Size size, int addr, int value) { int reg = addr - 0x2000; if (mmap[reg] == null) { mmap[reg] = new UnimplementedHardwareRegister(); Log.err(String.format("Write Memory Mapped register 0x%04x not implemented.", addr)); if (Settings.get(Settings.MEM_THROW_INVALID_ADDR).equals("true")) throw new RuntimeException( String.format("Write Memory Mapped register 0x%04x not implemented.", addr)); } if (size == Size.SHORT) { if (mmap[reg + 1] == null) { mmap[reg + 1] = new UnimplementedHardwareRegister(); Log.err(String.format("Write Memory Mapped register 0x%04x not implemented.", addr + 1)); if (Settings.get(Settings.MEM_THROW_INVALID_ADDR).equals("true")) throw new RuntimeException( String.format("Write Memory Mapped register 0x%04x not implemented.", addr + 1)); } /* * Low goes first unless you want games to look like they're being * played through Kanye's shutter shades. */ mmap[reg].setValue(value & 0x00FF); mmap[reg + 1].setValue((value & 0xFF00) >> 8); } else { mmap[reg].setValue(value); } }
public void dumpWRAM() { if (Settings.get(Settings.DEBUG_DIR) != null) { try { String fname = Settings.get(Settings.DEBUG_DIR) + "/wram.bin"; FileOutputStream fos = new FileOutputStream(fname); for (int i = 0; i < wram.length; i++) fos.write(wram[i]); fos.close(); } catch (IOException e) { System.out.println("Unable to dump wram"); e.printStackTrace(); } } }
public static void run(InputStream is, boolean isZip) throws Exception { init(is, isZip); instCount = 0; maxInstructions = Long.parseLong(Settings.get(Settings.CORE_MAX_INSTRUCTIONS)); // Load save file if found if (Settings.isSet(Settings.SAVE_PATH)) { InputStream saveStream = Util.getStreamFromUrl(Settings.get(Settings.SAVE_PATH)); if (saveStream != null) { mem.loadSram(saveStream); } } // Execute and time game if (Log.instruction.enabled() && Settings.get(Settings.CPU_ALT_DEBUG) == "false") { Log.instruction("====CPU Execution===="); Log.instruction( "romAdr pbr:pc op CPU Status args Instruction"); Log.instruction( "------ ------- -- ------------------------------- --------------- -----------"); } timeBegin = new Date().getTime(); cycle(maxInstructions); timeEnd = new Date().getTime(); running = false; // Print run stats System.out.println("Total time: " + ((timeEnd - timeBegin) / 1000) + " seconds"); System.out.println("Instructions performed: " + instCount); System.out.println("Cycles performed: " + Timing.getCycles()); System.out.println( "Average speed: " + (((Timing.getCycles() + 0f) / ((timeEnd - timeBegin + 0f) / 1000f)) / (1024f * 1024f)) + " MHz"); System.out.println( "Average speed: " + (((Timing.getCycles() + 0f) / ((timeEnd - timeBegin + 0f) / 1000f))) + " Hz"); printMMaps(); PPU.dumpVRAM(); mem.dumpWRAM(); APUMemory.dump(); renderScreen(); }
/** * Checks if a ROM url has been specified by an applet tag or in the properties file. If so, loads * and starts the rom */ private void checkForGame() { String loc = Settings.get(Settings.ROM_URL); if (loc != null) { System.out.println("Loading from url: " + loc); // Attempt to load from url InputStream is = Util.getStreamFromUrl(loc); boolean isZip = loc.endsWith(".zip"); if (is != null) { runGame(is, isZip); } } }
private void initGameGui() { // Window default size int w, h; try { w = Settings.getInt(Settings.APPLET_WINDOW_WIDTH); h = Settings.getInt(Settings.APPLET_WINDOW_HEIGHT); } catch (NumberFormatException err) { w = 256; h = 240; } // Create video component screen = new VideoDisplay(w, h); getContentPane().add(screen, "Game"); getContentPane().add(new SettingsPanel(), "Options"); getContentPane().add(new InputSettingsPanel(), "Input"); setSize(screen.getWidth(), screen.getHeight() + getJMenuBar().getHeight()); // Hook into keyboard events this.setFocusable(true); this.addKeyListener(Input.keyListener); }