Ticket #9123: svm-n64-patch-29122009-1.diff

sound/softsynth/opl/mame.cpp

@@ -33 +33 @@
 
 #include "mame.h"
 
-#if defined (_WIN32_WCE) || defined (__SYMBIAN32__) || defined(PALMOS_MODE) || defined(__GP32__) || defined(GP2X) || defined (__MAEMO__) || defined(__DS__) || defined (__MINT__)
+#if defined (_WIN32_WCE) || defined (__SYMBIAN32__) || defined(PALMOS_MODE) || defined(__GP32__) || defined(GP2X) || defined (__MAEMO__) || defined(__DS__) || defined (__MINT__) || defined(__N64__)
 #include "common/config-manager.h"
 #endif
 
@@ -1212 +1212 @@
         // We need to emulate one YM3812 chip
         int env_bits = FMOPL_ENV_BITS_HQ;
         int eg_ent = FMOPL_EG_ENT_HQ;
-#if defined (_WIN32_WCE) || defined(__SYMBIAN32__) || defined(PALMOS_MODE) || defined(__GP32__) || defined (GP2X) || defined(__MAEMO__) || defined(__DS__) || defined (__MINT__)
+#if defined (_WIN32_WCE) || defined(__SYMBIAN32__) || defined(PALMOS_MODE) || defined(__GP32__) || defined (GP2X) || defined(__MAEMO__) || defined(__DS__) || defined (__MINT__) || defined(__N64__)
         if (ConfMan.hasKey("FM_high_quality") && ConfMan.getBool("FM_high_quality")) {
                 env_bits = FMOPL_ENV_BITS_HQ;
                 eg_ent = FMOPL_EG_ENT_HQ;

engines/scumm/saveload.cpp

@@ -163 +163 @@
                 memcpy(hdr.name, _saveLoadName, sizeof(hdr.name));
                 saveSaveGameHeader(out, hdr);
         }
-#if !defined(__DS__) /* && !defined(__PLAYSTATION2__) */
+#if !defined(__DS__) && !defined(__N64__) /* && !defined(__PLAYSTATION2__) */
         Graphics::saveThumbnail(*out);
 #endif
         saveInfos(out);

common/scummsys.h

@@ -301 +301 @@
         #define SCUMM_LITTLE_ENDIAN
         #define SCUMM_NEED_ALIGNMENT
 
+#elif defined(__N64__)
+
+        #define scumm_stricmp strcasecmp
+        #define scumm_strnicmp strncasecmp
+
+        #define SCUMM_BIG_ENDIAN
+        #define SCUMM_NEED_ALIGNMENT
+
+        #define STRINGBUFLEN 256
+
+        #define SCUMMVM_DONT_DEFINE_TYPES
+        typedef unsigned char byte;
+
+        typedef unsigned char uint8;
+        typedef signed char int8;
+
+        typedef unsigned short int uint16;
+        typedef signed short int int16;
+
+        typedef unsigned int uint32;
+        typedef signed int int32;
+
+        typedef unsigned long long uint64;
+        typedef signed long long int64;
+
 #elif defined(__PSP__)
 
         #include <malloc.h>

common/util.cpp

@@ -46 +46 @@
         #define fputs(str, file)        DS::std_fwrite(str, strlen(str), 1, file)
 #endif
 
+#ifdef __N64__
+        #define fputs(str, file)        asm("nop");
+#endif
 
 namespace Common {
 

common/debug.cpp

@@ -45 +45 @@
         #define fflush(file)            DS::std_fflush(file)
 #endif
 
+#ifdef __N64__
+        #include <n64utils.h>
 
+        #define fputs(str, file)        asm("nop");
+        #define fflush(a)                       asm("nop");
+        #define OutputDebugString       addLineTextLayer
+#endif
 
+
 // TODO: Move gDebugLevel into namespace Common.
 int gDebugLevel = -1;
 

graphics/colormasks.h

@@ -117 +117 @@
                 kGreenBits  = 5,
                 kBlueBits   = 5,
 
+#ifdef __N64__
                 kAlphaShift = 0,
+                kRedShift   = kBlueBits+kGreenBits+1,
+                kGreenShift = kBlueBits + 1,
+                kBlueShift  = 1,
+#else
+                kAlphaShift = 0,
                 kRedShift   = kGreenBits+kBlueBits,
                 kGreenShift = kBlueBits,
                 kBlueShift  = 0,
+#endif
 
                 kAlphaMask = ((1 << kAlphaBits) - 1) << kAlphaShift,
                 kRedMask   = ((1 << kRedBits) - 1) << kRedShift,

backends/platform/n64/osys_n64_base.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <romfs.h>
+
+#include "osys_n64.h"
+#include "pakfs_save_manager.h"
+#include "backends/fs/n64/n64-fs-factory.h"
+
+#define DEFAULT_FRAMEBUFFER_WIDTH 340 // a horizontal resolution of 340 takes into account overscan
+#define DEFAULT_PIX_SKIP 15
+
+extern uint8 _romfs; // Defined by linker (used to calculate position of romfs image)
+
+inline uint16 colBGR888toRGB555(byte r, byte g, byte b);
+
+static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
+        { "320x240 (PAL) fix overscan", "340x240 PAL",  OVERS_PAL_340X240   },
+        { "320x240 (PAL) overscan", "320x240 PAL",  NORM_PAL_320X240   },
+        { "320x240 (MPAL) fix overscan", "340x240 MPAL", OVERS_MPAL_340X240  },
+        { "320x240 (MPAL) overscan", "320x240 MPAL", NORM_MPAL_320X240  },
+        { "340x240 (NTSC) fix overscan", "340x240 NTSC", OVERS_NTSC_340X240 },
+        { "320x240 (NTSC) overscan", "320x240 NTSC", NORM_NTSC_320X240  },
+        { 0, 0, 0 }
+};
+
+OSystem_N64::OSystem_N64() {
+        // Enable Mips interrupts
+        set_MI_interrupt(1);
+
+        // Initialize display: NTSC 340x240 (16 bit)
+        initDisplay(NTSC_340X240_16BIT);
+
+        // Prepare virtual text layer for debugging purposes
+        initTextLayer();
+
+        // Init PI interface
+        PI_Init();
+
+        // Init Controller Pak
+        initPakFs();
+
+        // Use the first save pak found
+        uint8 ctrl_num;
+        for (ctrl_num = 0; ctrl_num < 4; ctrl_num++) {
+                int8 pak_type = identifyPak(ctrl_num);
+                if (pak_type == 1) {
+                        loadPakData(ctrl_num);
+                        break;
+                }
+        }
+
+        // Screen size
+        _screenWidth = DEFAULT_SCREEN_WIDTH;
+        _screenHeight = DEFAULT_SCREEN_HEIGHT;
+
+        // Game screen size
+        _gameHeight = DEFAULT_SCREEN_WIDTH;
+        _gameWidth = DEFAULT_SCREEN_HEIGHT;
+
+        // Overlay size
+        _overlayWidth = DEFAULT_SCREEN_WIDTH;
+        _overlayHeight = DEFAULT_SCREEN_HEIGHT;
+
+        // Framebuffer width
+        _frameBufferWidth = DEFAULT_FRAMEBUFFER_WIDTH;
+
+        // Pixels to skip
+        _offscrPixels = DEFAULT_PIX_SKIP;
+
+        // Video clock
+        _viClockRate = VI_NTSC_CLOCK;
+
+        _maxFps = N64_NTSC_FPS;
+
+        _overlayVisible = false;
+
+        _shakeOffset = 0;
+
+        // Allocate memory for offscreen buffers
+        _offscreen_hic = (uint16*)memalign(8, DEFAULT_SCREEN_WIDTH * DEFAULT_SCREEN_HEIGHT * 2);
+        _offscreen_pal = (uint8*)memalign(8, DEFAULT_SCREEN_WIDTH * DEFAULT_SCREEN_HEIGHT);
+        _overlayBuffer = (uint16*)memalign(8, DEFAULT_SCREEN_WIDTH * DEFAULT_SCREEN_HEIGHT * sizeof(OverlayColor));
+
+        _cursor_pal = NULL;
+
+        _cursorWidth = -1;
+        _cursorHeight = -1;
+        _cursorKeycolor = -1;
+        _mouseHotspotX = _mouseHotspotY = -1;
+
+        // Clean offscreen buffers
+        memset(_offscreen_hic, 0, _screenWidth * _screenHeight * 2);
+        memset(_offscreen_pal, 0, _screenWidth * _screenHeight);
+        memset(_overlayBuffer, 0, _overlayWidth * _overlayHeight * sizeof(OverlayColor));
+
+        // Default graphic mode
+        _graphicMode = OVERS_NTSC_340X240;
+
+        // Clear palette array
+        _screenPalette = (uint16*)memalign(8, 256 * sizeof(uint16));
+        memset(_screenPalette, 0, 256 * sizeof(uint16));
+        memset(_cursorPalette, 0, 256 * sizeof(uint16));
+
+        _dirtyPalette = false;
+        _cursorPaletteDisabled = false;
+
+        _audioEnabled = false;
+
+        // Initialize ROMFS access interface
+        initRomFSmanager((uint8*)(((uint32)&_romfs + (uint32)0xc00) | (uint32)0xB0000000));
+
+        // Register vblank callback
+        registerVIhandler(vblCallback);
+
+        _mouseVisible = false;
+
+        _mouseX = _overlayWidth  / 2;
+        _mouseY = _overlayHeight / 2;
+        _mouseMaxX = _overlayWidth;
+        _mouseMaxY = _overlayHeight;
+
+        _savefile = 0;
+        _mixer = 0;
+        _timer = 0;
+
+        _dirtyOffscreen = false;
+
+        _ctrlData = (controller_data_buttons*)memalign(8, sizeof(controller_data_buttons));
+
+        _fsFactory = new N64FilesystemFactory();
+
+}
+
+OSystem_N64::~OSystem_N64() {
+        delete _savefile;
+        delete _mixer;
+        delete _timer;
+        delete _fsFactory;
+}
+
+void OSystem_N64::initBackend() {
+        ConfMan.setInt("autosave_period", 0);
+        ConfMan.setBool("FM_high_quality", false);
+        ConfMan.setBool("FM_medium_quality", true);
+        ConfMan.set("gui_theme", "modern"); // In case of modern theme being present, use it.
+
+        _savefile = new PAKSaveManager();
+
+        _mixer = new Audio::MixerImpl(this);
+        _mixer->setReady(false);
+
+        _timer = new DefaultTimerManager();
+
+        setTimerCallback(&timer_handler, 10);
+
+        setupMixer();
+
+        OSystem::initBackend();
+
+}
+
+bool OSystem_N64::hasFeature(Feature f) {
+        return (f == kFeatureCursorHasPalette);
+}
+
+void OSystem_N64::setFeatureState(Feature f, bool enable) {
+        return;
+}
+
+bool OSystem_N64::getFeatureState(Feature f) {
+        return false;
+}
+
+const OSystem::GraphicsMode* OSystem_N64::getSupportedGraphicsModes() const {
+        return s_supportedGraphicsModes;
+}
+
+
+int OSystem_N64::getDefaultGraphicsMode() const {
+        return OVERS_NTSC_340X240;
+}
+
+bool OSystem_N64::setGraphicsMode(const char *mode) {
+        int i = 0;
+        while (s_supportedGraphicsModes[i].name) {
+                if (!strcmpi(s_supportedGraphicsModes[i].name, mode)) {
+                        _graphicMode = s_supportedGraphicsModes[i].id;
+
+                        switchGraphicModeId(_graphicMode);
+
+                        return true;
+                }
+                i++;
+        }
+
+        return true;
+}
+
+bool OSystem_N64::setGraphicsMode(int mode) {
+        _graphicMode = mode;
+        switchGraphicModeId(_graphicMode);
+
+        return true;
+}
+
+void OSystem_N64::switchGraphicModeId(int mode) {
+        switch (mode) {
+        case NORM_PAL_320X240:
+                disableAudioPlayback();
+                _viClockRate = VI_PAL_CLOCK;
+                _maxFps = N64_PAL_FPS;
+                initDisplay(PAL_320X240_16BIT);
+                _frameBufferWidth = 320;
+                _screenWidth = DEFAULT_SCREEN_WIDTH;
+                _screenHeight = DEFAULT_SCREEN_HEIGHT;
+                _offscrPixels = 0;
+                _graphicMode = NORM_PAL_320X240;
+                enableAudioPlayback();
+                break;
+
+        case OVERS_PAL_340X240:
+                disableAudioPlayback();
+                _viClockRate = VI_PAL_CLOCK;
+                _maxFps = N64_PAL_FPS;
+                initDisplay(PAL_340X240_16BIT);
+                _frameBufferWidth = DEFAULT_FRAMEBUFFER_WIDTH;
+                _screenWidth = DEFAULT_SCREEN_WIDTH;
+                _screenHeight = DEFAULT_SCREEN_HEIGHT;
+                _offscrPixels = DEFAULT_PIX_SKIP;
+                _graphicMode = OVERS_PAL_340X240;
+                enableAudioPlayback();
+                break;
+
+        case NORM_MPAL_320X240:
+                disableAudioPlayback();
+                _viClockRate = VI_MPAL_CLOCK;
+                _maxFps = N64_NTSC_FPS;
+                initDisplay(MPAL_320X240_16BIT);
+                _frameBufferWidth = 320;
+                _screenWidth = DEFAULT_SCREEN_WIDTH;
+                _screenHeight = DEFAULT_SCREEN_HEIGHT;
+                _offscrPixels = 0;
+                _graphicMode = NORM_MPAL_320X240;
+                enableAudioPlayback();
+                break;
+
+        case OVERS_MPAL_340X240:
+                disableAudioPlayback();
+                _viClockRate = VI_MPAL_CLOCK;
+                _maxFps = N64_NTSC_FPS;
+                initDisplay(MPAL_340X240_16BIT);
+                _frameBufferWidth = DEFAULT_FRAMEBUFFER_WIDTH;
+                _screenWidth = DEFAULT_SCREEN_WIDTH;
+                _screenHeight = DEFAULT_SCREEN_HEIGHT;
+                _offscrPixels = DEFAULT_PIX_SKIP;
+                _graphicMode = OVERS_MPAL_340X240;
+                enableAudioPlayback();
+                break;
+
+        case NORM_NTSC_320X240:
+                disableAudioPlayback();
+                _viClockRate = VI_NTSC_CLOCK;
+                _maxFps = N64_NTSC_FPS;
+                initDisplay(NTSC_320X240_16BIT);
+                _frameBufferWidth = 320;
+                _screenWidth = DEFAULT_SCREEN_WIDTH;
+                _screenHeight = DEFAULT_SCREEN_HEIGHT;
+                _offscrPixels = 0;
+                _graphicMode = NORM_NTSC_320X240;
+                enableAudioPlayback();
+                break;
+
+        case OVERS_NTSC_340X240:
+        default:
+                disableAudioPlayback();
+                _viClockRate = VI_NTSC_CLOCK;
+                _maxFps = N64_NTSC_FPS;
+                initDisplay(NTSC_340X240_16BIT);
+                _frameBufferWidth = DEFAULT_FRAMEBUFFER_WIDTH;
+                _screenWidth = DEFAULT_SCREEN_WIDTH;
+                _screenHeight = DEFAULT_SCREEN_HEIGHT;
+                _offscrPixels = DEFAULT_PIX_SKIP;
+                _graphicMode = OVERS_NTSC_340X240;
+                enableAudioPlayback();
+                break;
+        }
+}
+
+int OSystem_N64::getGraphicsMode() const {
+        return _graphicMode;
+}
+
+void OSystem_N64::initSize(uint width, uint height, const Graphics::PixelFormat *format) {
+        _gameWidth = width;
+        _gameHeight = height;
+
+        if (_gameWidth > _screenWidth)
+                _gameWidth = _screenWidth;
+        if (_gameHeight > _screenHeight)
+                _gameHeight = _screenHeight;
+
+        _mouseMaxX = _gameWidth;
+        _mouseMaxY = _gameHeight;
+}
+
+int16 OSystem_N64::getHeight() {
+        return _screenHeight;
+}
+
+int16 OSystem_N64::getWidth() {
+        return _screenWidth;
+}
+
+void OSystem_N64::setPalette(const byte *colors, uint start, uint num) {
+        for (int i = 0; i < num; ++i) {
+                uint8 c[4];
+                _screenPalette[start + i] = colBGR888toRGB555(colors[2], colors[1], colors[0]);
+                colors += 4;
+        }
+
+        _dirtyPalette = true;
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::rebuildOffscreenGameBuffer(void) {
+        // Regenerate hi-color offscreen buffer
+#if 0
+        for (int h = 0; h < _gameHeight; h++)
+                for (int w = 0; w < _gameWidth; w++) {
+                        uint8 color = _offscreen_pal[(h * _screenWidth) + w];
+                        _offscreen_hic[(h * _screenWidth) + w] = _screenPalette[color];
+                }
+#else
+        uint32 two_col_hi;
+        uint32 four_col_pal;
+        for (int h = 0; h < _gameHeight; h++)
+                for (int w = 0; w < _gameWidth; w += 4) {
+                        four_col_pal = *(uint32*)(_offscreen_pal + ((h * _screenWidth) + w));
+
+                        two_col_hi = 0;
+                        two_col_hi = _screenPalette[((four_col_pal >> (8 * 3)) & 0xFF)] | (two_col_hi << (16 * 0));
+                        two_col_hi = _screenPalette[((four_col_pal >> (8 * 2)) & 0xFF)] | (two_col_hi << (16 * 1));
+
+                        *(uint32*)(_offscreen_hic + (h * _screenWidth) + w + 0) = two_col_hi;
+
+                        two_col_hi = 0;
+                        two_col_hi = _screenPalette[((four_col_pal >> (8 * 1)) & 0xFF)] | (two_col_hi << (16 * 0));
+                        two_col_hi = _screenPalette[((four_col_pal >> (8 * 0)) & 0xFF)] | (two_col_hi << (16 * 1));
+
+                        *(uint32*)(_offscreen_hic + (h * _screenWidth) + w + 2) = two_col_hi;
+                }
+#endif
+}
+
+void OSystem_N64::grabPalette(byte *colors, uint start, uint num) {
+        uint32 i;
+        uint16 color;
+
+        for (i = start; i < start + num; i++) {
+                color = _screenPalette[i];
+
+                // Color format on the n64 is RGB - 1555
+                *colors++ = ((color & 0x1F) << 3);
+                *colors++ = (((color >> 5) & 0x1F) << 3);
+                *colors++ = (((color >> 10) & 0x1F) << 3);
+                *colors++ = 0;
+        }
+
+        return;
+}
+
+void OSystem_N64::setCursorPalette(const byte *colors, uint start, uint num) {
+        for (int i = 0; i < num; ++i) {
+                _cursorPalette[start + i] = colBGR888toRGB555(colors[2], colors[1], colors[0]);
+                colors += 4;
+        }
+
+        _cursorPaletteDisabled = false;
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::disableCursorPalette(bool disable) {
+        _cursorPaletteDisabled = disable;
+
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {
+        //Clip the coordinates
+        if (x < 0) {
+                w += x;
+                buf -= x;
+                x = 0;
+        }
+
+        if (y < 0) {
+                h += y;
+                buf -= y * pitch;
+                y = 0;
+        }
+
+        if (w > _screenWidth - x) {
+                w = _screenWidth - x;
+        }
+
+        if (h > _screenHeight - y) {
+                h = _screenHeight - y;
+        }
+
+        if (w <= 0 || h <= 0)
+                return;
+
+        uint8 *dst_pal = _offscreen_pal + ((y * _screenWidth) + x);
+        uint16 *dst_hicol = _offscreen_hic + ((y * _screenWidth) + x);
+
+        do {
+                for (int hor = 0; hor < w; hor++) {
+                        if (dst_pal[hor] != buf[hor]) {
+                                uint16 color = _screenPalette[buf[hor]];
+                                dst_hicol[hor] = color;  // Save image converted to 16-bit
+                                dst_pal[hor] = buf[hor]; // Save palettized display
+                        }
+                }
+
+                buf += pitch;
+                dst_pal += _screenWidth;
+                dst_hicol += _screenWidth;
+        } while (--h);
+
+        _dirtyOffscreen = true;
+
+        return;
+}
+
+void OSystem_N64::updateScreen() {
+#ifdef LIMIT_FPS
+        static uint32 _lastScreenUpdate = 0;
+        uint32 now = getMillis();
+        if (now - _lastScreenUpdate < 1000 / _maxFps)
+                return;
+
+        _lastScreenUpdate = now;
+#endif
+
+        // Check if audio buffer needs refill
+        // Done here because this gets called regularly
+        refillAudioBuffers();
+
+        if (!_dirtyOffscreen && !_dirtyPalette) return; // The offscreen is clean
+
+        uint8 skip_lines = (_screenHeight - _gameHeight) / 4;
+        uint8 skip_pixels = (_screenWidth - _gameWidth) / 2; // Center horizontally the image
+
+        if (_dirtyPalette)
+                rebuildOffscreenGameBuffer();
+
+        while (!(_dc = lockDisplay()));
+
+        uint16 *overlay_framebuffer = (uint16*)_dc->conf.framebuffer; // Current screen framebuffer
+        uint16 *game_framebuffer = overlay_framebuffer + (_frameBufferWidth * skip_lines * 2); // Skip some lines to center the image vertically
+
+        uint16 currentHeight;
+        uint16 *tmpDst;
+        uint16 *tmpSrc;
+
+        // Copy the game buffer to screen
+        if (!_overlayVisible) {
+                tmpDst = game_framebuffer;
+                tmpSrc = _offscreen_hic + (_shakeOffset * _screenWidth);
+                for (currentHeight = _shakeOffset; currentHeight < _gameHeight; currentHeight++) {
+                        memcpy((tmpDst + skip_pixels + _offscrPixels), tmpSrc, _screenWidth * 2);
+                        tmpDst += _frameBufferWidth;
+                        tmpSrc += _screenWidth;
+                }
+
+                uint16 _clearLines = _shakeOffset; // When shaking we must take care of remaining lines to clear
+                while (_clearLines--) {
+                        memset(tmpDst + skip_pixels + _offscrPixels, 0, _screenWidth * 2);
+                        tmpDst += _frameBufferWidth;
+                }
+        } else { // If the overlay is enabled, draw it on top of game screen
+                tmpDst = overlay_framebuffer;
+                tmpSrc = _overlayBuffer;
+                for (currentHeight = 0; currentHeight < _overlayHeight; currentHeight++) {
+                        memcpy((tmpDst + _offscrPixels), tmpSrc, _overlayWidth * 2);
+                        tmpDst += _frameBufferWidth;
+                        tmpSrc += _overlayWidth;
+                }
+        }
+
+        // Draw mouse cursor
+        if ((_mouseVisible || _overlayVisible) && _cursorHeight > 0 && _cursorWidth > 0) {
+                uint16 *mouse_framebuffer;
+                uint16 horiz_pix_skip = 0;
+
+                if (_overlayVisible) {
+                        mouse_framebuffer = overlay_framebuffer;
+                } else {
+                        mouse_framebuffer = game_framebuffer;
+                        horiz_pix_skip = skip_pixels;
+                }
+
+                int mX = _mouseX - _mouseHotspotX;
+                int mY = _mouseY - _mouseHotspotY;
+
+                uint16 *_cursorSource = _cursorPaletteDisabled ? _screenPalette : _cursorPalette;
+                for (int h = 0; h < _cursorHeight; h++)
+                        for (int w = 0; w < _cursorWidth; w++) {
+                                uint8 index = _cursor_pal[(h * _cursorWidth) + w];
+
+                                // Draw pixel
+                                if ((index != _cursorKeycolor) && ((mY + h) >= 0) && ((mY + h) < _mouseMaxY) && ((mX + w) >= 0) && ((mX + w) < _mouseMaxX))
+                                        mouse_framebuffer[((mY + h) * _frameBufferWidth) + ((mX + w) + _offscrPixels + horiz_pix_skip)] = _cursorSource[index];
+                        }
+        }
+
+#ifndef _ENABLE_DEBUG_
+        showDisplay(_dc);
+#else
+        showDisplayAndText(_dc);
+#endif
+
+        _dc = NULL;
+        _dirtyOffscreen = false;
+        _dirtyPalette = false;
+
+        return;
+}
+
+Graphics::Surface *OSystem_N64::lockScreen() {
+        _framebuffer.pixels = _offscreen_pal;
+        _framebuffer.w = _gameWidth;
+        _framebuffer.h = _gameHeight;
+        _framebuffer.pitch = _screenWidth;
+        _framebuffer.bytesPerPixel = 1;
+
+        return &_framebuffer;
+}
+
+void OSystem_N64::unlockScreen() {
+        _dirtyPalette = true;
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::setShakePos(int shakeOffset) {
+        _shakeOffset = shakeOffset;
+        _dirtyOffscreen = true;
+
+        return;
+}
+
+void OSystem_N64::showOverlay() {
+        // Change min/max mouse coords
+        _mouseMaxX = _overlayWidth;
+        _mouseMaxY = _overlayHeight;
+
+        // Relocate the mouse cursor given the new limitations
+        warpMouse(_mouseX, _mouseY);
+
+        _overlayVisible = true;
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::hideOverlay() {
+        // Change min/max mouse coords
+        _mouseMaxX = _gameWidth;
+        _mouseMaxY = _gameHeight;
+
+        // Relocate the mouse cursor given the new limitations
+        warpMouse(_mouseX, _mouseY);
+
+        _overlayVisible = false;
+
+        // Clear double buffered display
+        clearAllVideoBuffers();
+
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::clearOverlay() {
+        memset(_overlayBuffer, 0, _overlayWidth * _overlayHeight * sizeof(OverlayColor));
+
+        uint8 skip_lines = (_screenHeight - _gameHeight) / 4;
+        uint8 skip_pixels = (_screenWidth - _gameWidth) / 2; // Center horizontally the image
+
+        uint16 *tmpDst = _overlayBuffer + (_overlayWidth * skip_lines * 2);
+        uint16 *tmpSrc = _offscreen_hic + (_shakeOffset * _screenWidth);
+        for (uint16 currentHeight = _shakeOffset; currentHeight < _gameHeight; currentHeight++) {
+                memcpy((tmpDst + skip_pixels), tmpSrc, _gameWidth * 2);
+                tmpDst += _overlayWidth;
+                tmpSrc += _screenWidth;
+        }
+
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::grabOverlay(OverlayColor *buf, int pitch) {
+        int h = _overlayHeight;
+        OverlayColor *src = _overlayBuffer;
+
+        do {
+                memcpy(buf, src, _overlayWidth * sizeof(OverlayColor));
+                src += _overlayWidth;
+                buf += pitch;
+        } while (--h);
+}
+
+void OSystem_N64::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) {
+        //Clip the coordinates
+        if (x < 0) {
+                w += x;
+                buf -= x;
+                x = 0;
+        }
+
+        if (y < 0) {
+                h += y;
+                buf -= y * pitch;
+                y = 0;
+        }
+
+        if (w > _overlayWidth - x) {
+                w = _overlayWidth - x;
+        }
+
+        if (h > _overlayHeight - y) {
+                h = _overlayHeight - y;
+        }
+
+        if (w <= 0 || h <= 0)
+                return;
+
+
+        OverlayColor *dst = _overlayBuffer + (y * _overlayWidth + x);
+
+        if (_overlayWidth == pitch && pitch == w) {
+                memcpy(dst, buf, h * w * sizeof(OverlayColor));
+        } else {
+                do {
+                        memcpy(dst, buf, w * sizeof(OverlayColor));
+                        buf += pitch;
+                        dst += _overlayWidth;
+                } while (--h);
+        }
+
+        _dirtyOffscreen = true;
+
+        return;
+}
+
+int16 OSystem_N64::getOverlayHeight() {
+        return _overlayHeight;
+}
+
+int16 OSystem_N64::getOverlayWidth() {
+        return _overlayWidth;
+}
+
+
+bool OSystem_N64::showMouse(bool visible) {
+        bool last = _mouseVisible;
+        _mouseVisible = visible;
+
+        _dirtyOffscreen = true;
+
+        return last;
+}
+
+void OSystem_N64::warpMouse(int x, int y) {
+
+        if (x < 0)
+                _mouseX = 0;
+        else if (x >= _mouseMaxX)
+                _mouseX = _mouseMaxX - 1;
+        else
+                _mouseX = x;
+
+        if (y < 0)
+                _mouseY = 0;
+        else if (y >= _mouseMaxY)
+                _mouseY = _mouseMaxY - 1;
+        else
+                _mouseY = y;
+
+        _dirtyOffscreen = true;
+}
+
+void OSystem_N64::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format) {
+        if (!w || !h) return;
+
+        _mouseHotspotX = hotspotX;
+        _mouseHotspotY = hotspotY;
+
+        if (_cursor_pal && ((w != _cursorWidth) || (h != _cursorHeight))) {
+                free(_cursor_pal);
+                _cursor_pal = NULL;
+        }
+
+        if (!_cursor_pal) {
+                _cursor_pal = (uint8*)malloc(w * h);
+        }
+
+        _cursorWidth = w;
+        _cursorHeight = h;
+
+        memcpy(_cursor_pal, buf, w * h); // Copy the palettized cursor
+
+        _cursorKeycolor = keycolor & 0xFF;
+
+        _dirtyOffscreen = true;
+
+        return;
+}
+
+uint32 OSystem_N64::getMillis() {
+        return getMilliTick();
+}
+
+void OSystem_N64::delayMillis(uint msecs) {
+        delay(msecs);
+}
+
+OSystem::MutexRef OSystem_N64::createMutex(void) {
+        return NULL;
+}
+
+void OSystem_N64::lockMutex(MutexRef mutex) {
+        return;
+}
+
+void OSystem_N64::unlockMutex(MutexRef mutex) {
+        return;
+}
+
+void OSystem_N64::deleteMutex(MutexRef mutex) {
+        return;
+}
+
+void OSystem_N64::quit() {
+        // Not much to do...
+        return;
+}
+
+Common::SaveFileManager *OSystem_N64::getSavefileManager() {
+        assert(_savefile);
+        return _savefile;
+}
+
+Audio::Mixer *OSystem_N64::getMixer() {
+        assert(_mixer);
+        return _mixer;
+}
+
+Common::TimerManager *OSystem_N64::getTimerManager() {
+        assert(_timer);
+        return _timer;
+}
+
+void OSystem_N64::getTimeAndDate(TimeDate &t) const {
+        // No clock inside the N64
+        // TODO: use getMillis to provide some kind of time-counting feature?
+        t.tm_sec  = 0;
+        t.tm_min  = 0;
+        t.tm_hour = 0;
+        t.tm_mday = 0;
+        t.tm_mon  = 0;
+        t.tm_year = 0;
+
+        return;
+}
+
+FilesystemFactory *OSystem_N64::getFilesystemFactory() {
+        return _fsFactory;
+}
+
+void OSystem_N64::setTimerCallback(TimerProc callback, int interval) {
+        if (callback != NULL) {
+                _timerCallbackTimer = interval;
+                _timerCallbackNext = getMillis() + interval;
+                _timerCallback = callback;
+        } else
+                _timerCallback = NULL;
+}
+
+void OSystem_N64::setupMixer(void) {
+        enableAudioPlayback();
+}
+
+inline uint16 colBGR888toRGB555(byte r, byte g, byte b) {
+        return ((r >> 3) << 1) | ((g >> 3) << 6) | ((b >> 3) << 11);
+}
+

backends/platform/n64/osys_n64_utilities.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *
+ */
+
+#include "osys_n64.h"
+
+void checkTimers(void) {
+        OSystem_N64 *osys = (OSystem_N64*)g_system;
+
+        uint32 curTime = osys->getMillis();
+
+        // Timer checking & firing
+        if (osys->_timerCallback && (curTime >= osys->_timerCallbackNext)) {
+                osys->_timerCallback(osys->_timerCallbackTimer);
+                osys->_timerCallbackNext = curTime + osys->_timerCallbackTimer;
+        }
+}
+
+void disableAudioPlayback(void) {
+        if (!_audioEnabled) return;
+
+        _audioEnabled = false;
+
+        OSystem_N64 *osys = (OSystem_N64*)g_system;
+        Audio::MixerImpl *_localmixer = (Audio::MixerImpl*)osys->getMixer();
+
+        while (AI_busy()); // Wait for audio to stop
+}
+
+void enableAudioPlayback(void) {
+        static bool _firstRun = true;
+
+        OSystem_N64 *osys = (OSystem_N64*)g_system;
+        Audio::MixerImpl *_localmixer = (Audio::MixerImpl*)osys->getMixer();
+
+#if 0
+        uint32 samples = 8192;
+        while ((16 * samples) >= DEFAULT_SOUND_SAMPLE_RATE) {
+                samples >>= 1;
+        }
+        samples <<= 3;
+#else
+        uint32 samples = 4096; // 4096 bytes -> 2048 samples.
+#endif
+
+        initAudioInterface(osys->_viClockRate, DEFAULT_SOUND_SAMPLE_RATE, 16, samples);
+        osys->_audioBufferSize = getAIBufferSize();
+
+        if (_firstRun) {
+                _localmixer->setOutputRate(DEFAULT_SOUND_SAMPLE_RATE);
+                _localmixer->setReady(true);
+                _firstRun = false;
+        }
+
+        disable_interrupts();
+
+        _audioEnabled = true;
+
+        sndCallback();
+        sndCallback();
+
+        registerAIhandler(sndCallback); // Lib checks if i try to register it multiple times
+
+        enable_interrupts();
+}
+
+static volatile Uint32 _requiredSoundSlots = 0;
+
+void vblCallback(void) {
+        // Switch display buffer
+        switchDisplayBuffer();
+
+#if 1
+        // If audio buffer got depleted, refill it.
+        if (_audioEnabled && !AI_busy() && !_requiredSoundSlots) {
+                sndCallback();
+                sndCallback();
+        }
+#endif
+
+}
+
+void sndCallback() {
+        // Signal that an audio buffer finished playing and that we need more samples
+        if (_requiredSoundSlots < 2)
+                _requiredSoundSlots++;
+}
+
+void refillAudioBuffers(void) {
+        if (!_audioEnabled) return;
+
+        OSystem_N64 *osys = (OSystem_N64*)g_system;
+        byte *sndBuf;
+        Audio::MixerImpl *_localmixer = (Audio::MixerImpl*)osys->getMixer();
+
+        while (_requiredSoundSlots) {
+                sndBuf = (byte*)getAIBuffer();
+
+                _localmixer->mixCallback((byte*)sndBuf, osys->_audioBufferSize);
+
+                putAIBuffer();
+
+                _requiredSoundSlots--;
+        }
+}
+
+int timer_handler(int t) {
+        DefaultTimerManager *tm = (DefaultTimerManager *)g_system->getTimerManager();
+        tm->handler();
+        return t;
+}
+

backends/platform/n64/pakfs_save_manager.h

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef __PAKFS_SAVE_MANAGER__
+#define __PAKFS_SAVE_MANAGER__
+
+#include <common/savefile.h>
+#include <common/zlib.h>
+
+#include <pakfs.h> // N64 PakFS library
+
+bool deleteSaveGame(const char *filename);
+
+class InPAKSave : public Common::InSaveFile {
+private:
+        PAKFILE *fd;
+
+        uint32 read(void *buf, uint32 cnt);
+        bool skip(uint32 offset);
+        bool seek(int32 offs, int whence);
+
+public:
+        InPAKSave() : fd(0) { }
+
+        ~InPAKSave() {
+                if (fd != NULL)
+                        pakfs_close(fd);
+        }
+
+        bool eos() const {
+                return pakfs_eof(fd);
+        }
+        void clearErr() {
+                pakfs_clearerr(fd);
+        }
+        int32 pos() const {
+                return pakfs_tell(fd);
+        }
+        int32 size() const {
+                return fd->size;
+        }
+
+        bool readSaveGame(const char *filename) {
+                fd = pakfs_open(filename, "r");
+                return (fd != NULL);
+        }
+};
+
+class OutPAKSave : public Common::OutSaveFile {
+private:
+        PAKFILE *fd;
+
+public:
+        uint32 write(const void *buf, uint32 cnt);
+
+        OutPAKSave(const char *_filename) {
+                fd = pakfs_open(_filename, "w");
+        }
+
+        ~OutPAKSave() {
+                if (fd != NULL) {
+                        finalize();
+                        pakfs_close(fd);
+                        flushCurrentPakData();
+                }
+        }
+
+        bool err() const {
+                return pakfs_error(fd);
+        }
+        void clearErr() {
+                pakfs_clearerr(fd);
+        }
+        void finalize() {
+                pakfs_flush(fd);
+        }
+};
+
+class PAKSaveManager : public Common::SaveFileManager {
+public:
+
+        virtual Common::OutSaveFile *openForSaving(const Common::String &filename) {
+                return Common::wrapCompressedWriteStream(new OutPAKSave(filename.c_str()));
+        }
+
+        virtual Common::InSaveFile *openForLoading(const Common::String &filename) {
+                InPAKSave *s = new InPAKSave();
+                if (s->readSaveGame(filename.c_str())) {
+                        return Common::wrapCompressedReadStream(s);
+                } else {
+                        delete s;
+                        return NULL;
+                }
+        }
+
+        virtual bool removeSavefile(const Common::String &filename) {
+                return ::deleteSaveGame(filename.c_str());
+        }
+
+        virtual Common::StringList listSavefiles(const Common::String &pattern);
+};
+
+
+#endif
+

backends/platform/n64/nintendo64.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *
+ */
+
+#include "osys_n64.h"
+
+int main(void) {
+        g_system = new OSystem_N64();
+        assert(g_system);
+
+        // Invoke the actual ScummVM main entry point:
+        int res = scummvm_main(0, NULL);
+        g_system->quit();       // TODO: Consider removing / replacing this!
+        return res;
+}
+

backends/platform/n64/osys_n64_events.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *
+ */
+
+#include "osys_n64.h"
+
+// Pad buttons
+#define START_BUTTON(a) (a & 0x1000)
+#define A_BUTTON(a)     (a & 0x8000)
+#define B_BUTTON(a)     (a & 0x4000)
+#define Z_BUTTON(a)     (a & 0x2000)
+
+// Triggers
+#define TL_BUTTON(a)    (a & 0x0020)
+#define TR_BUTTON(a)    (a & 0x0010)
+
+// D-Pad
+#define DL_BUTTON(a)    (a & 0x0200)
+#define DR_BUTTON(a)    (a & 0x0100)
+#define DU_BUTTON(a)    (a & 0x0800)
+#define DD_BUTTON(a)    (a & 0x0400)
+
+// Yellow C buttons
+#define CL_BUTTON(a)    (a & 0x0002)
+#define CR_BUTTON(a)    (a & 0x0001)
+#define CU_BUTTON(a)    (a & 0x0008)
+#define CD_BUTTON(a)    (a & 0x0004)
+
+#define PAD_DEADZONE 5
+#define PAD_ACCELERATION 10
+#define PAD_CHECK_TIME 40
+
+bool OSystem_N64::pollEvent(Common::Event &event) {
+        // Check Timers. Not the best place, but checking in interrupts proved to be unsafe
+        checkTimers();
+
+        // Refill audio buffers, doing this inside interrupts could be harmful
+        refillAudioBuffers();
+
+        // Read current controller status
+        controller_Read_Buttons(_ctrlData);
+
+        static uint16 oldButtons = 0; // old button data... used for button press/release
+        uint16 newButtons = _ctrlData->c[0].buttons; // Read from controller 0
+
+        bool buttonPressed = false;
+        static bool left_digital = false;
+        static bool right_digital = false;
+        static bool up_digital = false;
+        static bool down_digital = false;
+
+        int8 analogX = (_ctrlData->c[0].throttle >> 8) & 0xFF;
+        int8 analogY = (_ctrlData->c[0].throttle >> 0) & 0xFF;
+
+        if (newButtons != oldButtons) {
+                if (DL_BUTTON(newButtons) && !DL_BUTTON(oldButtons)) // Pressed LEFT
+                        left_digital = true;
+                else if (!DL_BUTTON(newButtons) && DL_BUTTON(oldButtons)) // Released LEFT
+                        left_digital = false;
+
+                if (DR_BUTTON(newButtons) && !DR_BUTTON(oldButtons)) // Pressed RIGHT
+                        right_digital = true;
+                else if (!DR_BUTTON(newButtons) && DR_BUTTON(oldButtons)) // Released RIGHT
+                        right_digital = false;
+
+                if (DU_BUTTON(newButtons) && !DU_BUTTON(oldButtons)) // Pressed UP
+                        up_digital = true;
+                else if (!DU_BUTTON(newButtons) && DU_BUTTON(oldButtons)) // Released UP
+                        up_digital = false;
+
+                if (DD_BUTTON(newButtons) && !DD_BUTTON(oldButtons)) // Pressed DOWN
+                        down_digital = true;
+                else if (!DD_BUTTON(newButtons) && DD_BUTTON(oldButtons)) // Released DOWN
+                        down_digital = false;
+
+                if (B_BUTTON(newButtons) && !B_BUTTON(oldButtons)) { // Pressed B - Right Mouse Button
+                        buttonPressed = true;
+                        event.type = Common::EVENT_RBUTTONDOWN;
+                } else if (!B_BUTTON(newButtons) && B_BUTTON(oldButtons)) { // Released B
+                        buttonPressed = true;
+                        event.type = Common::EVENT_RBUTTONUP;
+                } else if (A_BUTTON(newButtons) && !A_BUTTON(oldButtons)) { // Pressed A - Period
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_PERIOD;
+                        event.kbd.ascii = '.';
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!A_BUTTON(newButtons) && A_BUTTON(oldButtons)) { // Released A
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_PERIOD;
+                        event.kbd.ascii = '.';
+                        event.type = Common::EVENT_KEYUP;
+                } else if (START_BUTTON(newButtons) && !START_BUTTON(oldButtons)) { // Pressed START - F5
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_F5;
+                        event.kbd.ascii = Common::ASCII_F5;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!START_BUTTON(newButtons) && START_BUTTON(oldButtons)) { // Released START
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_F5;
+                        event.kbd.ascii = Common::ASCII_F5;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (CU_BUTTON(newButtons) && !CU_BUTTON(oldButtons)) { // Pressed Yellow Up - UP
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_UP;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!CU_BUTTON(newButtons) && CU_BUTTON(oldButtons)) { // Released Yellow Up
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_UP;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (CD_BUTTON(newButtons) && !CD_BUTTON(oldButtons)) { // Pressed Yellow Down - DOWN
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_DOWN;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!CD_BUTTON(newButtons) && CD_BUTTON(oldButtons)) { // Released Yellow Down
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_DOWN;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (CL_BUTTON(newButtons) && !CL_BUTTON(oldButtons)) { // Pressed Yellow Left - LEFT
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_LEFT;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!CL_BUTTON(newButtons) && CL_BUTTON(oldButtons)) { // Released Yellow Left
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_LEFT;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (CR_BUTTON(newButtons) && !CR_BUTTON(oldButtons)) { // Pressed Yellow Right - RIGHT
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_RIGHT;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!CR_BUTTON(newButtons) && CR_BUTTON(oldButtons)) { // Released Yellow Right
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_RIGHT;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (TL_BUTTON(newButtons) && !TL_BUTTON(oldButtons)) { // Pressed Trigger Left - ESC
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_ESCAPE;
+                        event.kbd.ascii = 27;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!TL_BUTTON(newButtons) && TL_BUTTON(oldButtons)) { // Released Trigger Left
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_ESCAPE;
+                        event.kbd.ascii = 27;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (TR_BUTTON(newButtons) && !TR_BUTTON(oldButtons)) { // Pressed Trigger Right - F7
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_F7;
+                        event.kbd.ascii = Common::ASCII_F7;
+                        event.type = Common::EVENT_KEYDOWN;
+                } else if (!TR_BUTTON(newButtons) && TR_BUTTON(oldButtons)) { // Released Trigger Right
+                        buttonPressed = true;
+                        event.kbd.keycode = Common::KEYCODE_F7;
+                        event.kbd.ascii = Common::ASCII_F7;
+                        event.type = Common::EVENT_KEYUP;
+                } else if (Z_BUTTON(newButtons) && !Z_BUTTON(oldButtons)) { // Pressed Z - Left Mouse Button
+                        buttonPressed = true;
+                        event.type = Common::EVENT_LBUTTONDOWN;
+                } else if (!Z_BUTTON(newButtons) && Z_BUTTON(oldButtons)) { // Released Z
+                        buttonPressed = true;
+                        event.type = Common::EVENT_LBUTTONUP;
+                }
+
+                oldButtons = newButtons; // Save current button status
+
+                if (buttonPressed) {
+                        event.mouse.x = _mouseX;
+                        event.mouse.y = _mouseY;
+                        return true;
+                }
+        }
+
+        static uint32 _lastPadCheck = 0;
+        uint32 curTime = getMillis();
+
+        if ((curTime - _lastPadCheck) > PAD_CHECK_TIME) {
+                _lastPadCheck = curTime;
+
+                int32 mx = _mouseX;
+                int32 my = _mouseY;
+
+                if (left_digital || right_digital || up_digital || down_digital) {
+                        if (left_digital)
+                                mx -= 5;
+                        else if (right_digital)
+                                mx += 5;
+                        if (up_digital)
+                                my -= 5;
+                        else if (down_digital)
+                                my += 5;
+                }
+
+                if (abs(analogX) > PAD_DEADZONE)
+                        mx += analogX / (PAD_ACCELERATION - (abs(analogX) / 20));
+
+                if (abs(analogY) > PAD_DEADZONE)
+                        my -= analogY / (PAD_ACCELERATION - (abs(analogY) / 20));
+
+                if (mx < 0)
+                        mx = 0;
+
+                if (mx >= _mouseMaxX)
+                        mx = _mouseMaxX - 1;
+
+                if (my < 0)
+                        my = 0;
+
+                if (my >= _mouseMaxY)
+                        my = _mouseMaxY - 1;
+
+                if ((mx != _mouseX) || (my != _mouseY)) {
+
+                        event.type = Common::EVENT_MOUSEMOVE;
+                        event.mouse.x = _mouseX = mx;
+                        event.mouse.y = _mouseY = my;
+
+                        _dirtyOffscreen = true;
+
+                        return true;
+                }
+
+        }
+
+        return false;
+}
+

backends/platform/n64/osys_n64.h

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *
+ */
+
+#ifndef __OSYS_N64_H__
+#define __OSYS_N64_H__
+
+#include "common/rect.h"
+#include "common/config-manager.h"
+
+#include "backends/base-backend.h"
+#include "backends/saves/default/default-saves.h"
+#include "backends/timer/default/default-timer.h"
+
+#include "base/main.h"
+
+#include "graphics/surface.h"
+#include "graphics/colormasks.h"
+#include "graphics/pixelformat.h"
+
+#include "sound/mixer_intern.h"
+
+#include <libn64.h>
+#include <n64utils.h>
+
+#define DEFAULT_SOUND_SAMPLE_RATE 8000 // 8 kHz
+//#define DEFAULT_SOUND_SAMPLE_RATE 11025 // 11 kHz
+
+// Limit the N64 resolution to 320x240, because framebuffer
+// at higher resolutions would be too slow and memory hogging
+#define DEFAULT_SCREEN_WIDTH  320
+#define DEFAULT_SCREEN_HEIGHT 240
+
+#define N64_PAL_FPS 25
+#define N64_NTSC_FPS 30
+
+typedef int (*TimerProc)(int interval);
+
+// Interrupt callback functions
+void vblCallback(void);
+void sndCallback(void);
+void refillAudioBuffers(void);
+
+// External utility functions
+void enableAudioPlayback(void);
+void disableAudioPlayback(void);
+void checkTimers(void);
+int timer_handler(int t);
+
+static volatile bool _audioEnabled = false; // Used by interrupt callbacks
+
+/* Graphic mode identifiers */
+enum GraphicModeID {
+        OVERS_NTSC_340X240,
+        NORM_NTSC_320X240,
+        NORM_PAL_320X240,
+        OVERS_PAL_340X240,
+        NORM_MPAL_320X240,
+        OVERS_MPAL_340X240
+};
+
+class OSystem_N64 : public BaseBackend {
+protected:
+        Common::SaveFileManager *_savefile;
+        Audio::MixerImpl *_mixer;
+        Common::TimerManager *_timer;
+        FilesystemFactory *_fsFactory;
+
+        struct display_context * _dc; // Display context for N64 on screen buffer switching
+
+        Graphics::Surface _framebuffer;
+
+        uint16 *_offscreen_hic; // Offscreen converted to 16bit surface
+        uint8  *_offscreen_pal; // Offscreen with palette indexes
+        OverlayColor *_overlayBuffer; // Offscreen for the overlay (16 bit)
+
+        uint16 *_screenPalette; // Array for palette entries (256 colors max)
+        uint16 _cursorPalette[256]; // Palette entries for the cursor
+
+        int _graphicMode; // Graphic mode
+        uint16 _screenWidth, _screenHeight;
+        uint16 _gameWidth, _gameHeight;
+        uint16 _frameBufferWidth; // Width of framebuffer in N64 memory
+        uint8 _offscrPixels; // Pixels to skip on each line before start drawing, used to center image
+        uint8 _maxFps;
+
+        int _shakeOffset;
+
+        uint8 *_cursor_pal; // Cursor buffer, palettized
+        bool _cursorPaletteDisabled;
+        bool _dirtyPalette;
+
+        int _cursorWidth, _cursorHeight;
+        int _cursorKeycolor;
+
+        uint16  _overlayHeight, _overlayWidth;
+        bool    _overlayVisible;
+
+        bool _mouseVisible;
+        int _mouseX, _mouseY;
+        int _mouseMaxX, _mouseMaxY;
+        int _mouseHotspotX, _mouseHotspotY;
+
+        controller_data_buttons *_ctrlData; // Controller data read from the N64 serial interface
+
+        bool _dirtyOffscreen;
+
+public:
+
+        /* These have to be accessed by interrupt callbacks */
+        uint16 _audioBufferSize;
+        uint32 _viClockRate; // Clock rate of video system, depending on VI mode
+
+        int _timerCallbackNext;
+        int _timerCallbackTimer;
+        TimerProc _timerCallback;
+        /* *** */
+
+        OSystem_N64();
+        virtual ~OSystem_N64();
+
+        virtual void initBackend();
+
+        virtual bool hasFeature(Feature f);
+        virtual void setFeatureState(Feature f, bool enable);
+        virtual bool getFeatureState(Feature f);
+        virtual const GraphicsMode *getSupportedGraphicsModes() const;
+        virtual int getDefaultGraphicsMode() const;
+        bool setGraphicsMode(const char *name);
+        virtual bool setGraphicsMode(int mode);
+        virtual int getGraphicsMode() const;
+        virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format);
+        virtual int16 getHeight();
+        virtual int16 getWidth();
+        virtual void setPalette(const byte *colors, uint start, uint num);
+        virtual void grabPalette(byte *colors, uint start, uint num);
+        virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
+        virtual void updateScreen();
+        virtual Graphics::Surface *lockScreen();
+        virtual void unlockScreen();
+        virtual void setShakePos(int shakeOffset);
+
+        virtual void showOverlay();
+        virtual void hideOverlay();
+        virtual void clearOverlay();
+        virtual void grabOverlay(OverlayColor *buf, int pitch);
+        virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
+        virtual int16 getOverlayHeight();
+        virtual int16 getOverlayWidth();
+        virtual Graphics::PixelFormat getOverlayFormat() const {
+                return Graphics::createPixelFormat<555>();
+        }
+
+        virtual bool showMouse(bool visible);
+
+        virtual void warpMouse(int x, int y);
+        virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format);
+        virtual void setCursorPalette(const byte *colors, uint start, uint num);
+        virtual void disableCursorPalette(bool disable);
+
+        virtual bool pollEvent(Common::Event &event);
+        virtual uint32 getMillis();
+        virtual void delayMillis(uint msecs);
+
+        virtual MutexRef createMutex(void);
+        virtual void lockMutex(MutexRef mutex);
+        virtual void unlockMutex(MutexRef mutex);
+        virtual void deleteMutex(MutexRef mutex);
+
+        virtual void quit();
+
+        virtual Common::SaveFileManager *getSavefileManager();
+        virtual Audio::Mixer *getMixer();
+        virtual void getTimeAndDate(TimeDate &t) const;
+        virtual Common::TimerManager *getTimerManager();
+        virtual void setTimerCallback(TimerProc callback, int interval);
+        FilesystemFactory *getFilesystemFactory();
+
+        void rebuildOffscreenGameBuffer(void);
+        void switchGraphicModeId(int mode);
+
+        void setupMixer(void);
+
+};
+
+#endif /* __OSYS_N64_H__ */
+

backends/platform/n64/pad_rom.sh

@@ +1 @@
+#!/bin/bash
+
+TARGET="scummvm"
+BASESIZE=2097152
+
+CARTSIZE=`ls -l $TARGET.v64 | cut -d" " -f5`
+
+REMAINDER=`echo $CARTSIZE % $BASESIZE   | bc`
+REMAINDER=`echo $BASESIZE - $REMAINDER  | bc`
+CARTSIZE=`echo $CARTSIZE + $REMAINDER  | bc`
+
+ucon64 -q --n64 --v64 --chk --padn=$CARTSIZE  $TARGET.v64
+

backends/platform/n64/module.mk

@@ +1 @@
+MODULE := backends/platform/n64
+
+MODULE_OBJS := \
+        nintendo64.o
+
+MODULE_DIRS += \
+        backends/platform/n64/
+
+# We don't use the rules.mk here on purpose
+OBJS := $(addprefix $(MODULE)/, $(MODULE_OBJS)) $(OBJS)

backends/platform/n64/portdefs.h

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/dc/portdefs.h $
+ * $Id: portdefs.h 27024 2007-05-30 21:56:52Z fingolfin $
+ *
+ */
+
+#ifndef __N64_PORTDEFS__
+#define __N64_PORTDEFS__
+
+#include <n64utils.h>
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <ctype.h>
+#include <math.h>
+#include <malloc.h>
+
+#undef assert
+#define assert(x)  ((x) ? 0 : (print_error("["#x"] (%s:%d)", __FILE__, __LINE__)))
+
+#endif
+

backends/platform/n64/Makefile

@@ +1 @@
+
+TOOLPATH = /opt/mips64-toolchain
+LIBN64PATH = $(TOOLPATH)/hkz-libn64/
+GCCN64PREFIX = $(TOOLPATH)/bin/mips64-
+
+srcdir = ../../..
+VPATH = $(srcdir)
+
+CC = $(GCCN64PREFIX)gcc
+CXX = $(GCCN64PREFIX)g++
+AS = $(GCCN64PREFIX)as
+LD = $(GCCN64PREFIX)g++
+OBJCOPY = $(GCCN64PREFIX)objcopy
+AR = $(GCCN64PREFIX)ar cru
+RANLIB = $(GCCN64PREFIX)ranlib
+
+DEFINES += -D__N64__ -DLIMIT_FPS -DNONSTANDARD_PORT -DDISABLE_DEFAULT_SAVEFILEMANAGER -DDISABLE_TEXT_CONSOLE -DDISABLE_COMMAND_LINE -DDISABLE_FANCY_THEMES -DDISABLE_DOSBOX_OPL -DENABLE_VKEYBD -DUSE_ZLIB
+LIBS += -lpakfs -ln64 -ln64utils -lromfs 
+
+DEFINES += -D_ENABLE_DEBUG_
+
+USE_LIBMAD=0
+USE_LIBOGG=1
+
+ifeq ($(USE_LIBMAD),1)
+DEFINES += -DUSE_MAD
+LIBS    += -lmad
+endif
+ifeq ($(USE_LIBOGG), 1)
+DEFINES += -DUSE_VORBIS -DUSE_TREMOR
+LIBS    += -lvorbisidec
+endif
+
+LIBS += -lm -lstdc++ -lc -lgcc -lz -lnosys 
+
+CXXFLAGS = -g -O2 -fomit-frame-pointer -march=vr4300 -mtune=vr4300 -mno-extern-sdata -fno-rtti -fno-exceptions -Wno-multichar -Wshadow -I$(LIBN64PATH) -I$(TOOLPATH)/include -I./ -I$(srcdir) -I$(srcdir)/engines
+LDFLAGS = -g -march=vr4300 -mtune=vr4300 -nodefaultlibs -nostartfiles -mno-crt0 -L$(LIBN64PATH) -L$(TOOLPATH)/lib $(LIBS) -T n64ld_cpp.x -Xlinker -Map -Xlinker scummvm.map
+
+TARGET = scummvm
+DEPDIR = .deps
+CXX_UPDATE_DEP_FLAG = -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP
+MKDIR = mkdir -p
+RM = rm -f
+RM_REC = rm -rf
+
+VERBOSE_BUILD=0
+HAVE_GCC3=1
+DISABLE_SCALERS=1
+DISABLE_HQ_SCALER=1
+USE_MT32EMU=0
+USE_RGB_COLOR=0
+
+ENABLED=STATIC_PLUGIN
+
+#ENABLE_SCUMM=$(ENABLED)
+#ENABLE_SKY=$(ENABLED)
+#ENABLE_SCI=$(ENABLED)
+#ENABLE_GOB=$(ENABLED)
+#ENABLE_PARALLACTION=$(ENABLED)
+ENABLE_KYRA=$(ENABLED)
+#ENABLE_AGOS = $(ENABLED)
+#ENABLE_AGI = $(ENABLED)
+
+OBJS := nintendo64.o osys_n64_base.o osys_n64_events.o osys_n64_utilities.o pakfs_save_manager.o
+
+include $(srcdir)/Makefile.common
+
+MODULE_DIRS += ./
+
+all: $(TARGET).v64
+
+$(TARGET).v64: $(TARGET).bin ROMFS.img bootcode
+        cat bootcode $(TARGET).bin ROMFS.img > $(TARGET).v64
+        ./pad_rom.sh
+
+ROMFS.img:
+        genromfs -f ./ROMFS.img -d ./ROMFS -V romtest
+
+$(TARGET).elf: $(OBJS)
+        $(LD) -o $(TARGET).elf $(OBJS) $(LDFLAGS)
+
+$(TARGET).bin : $(TARGET).elf
+        $(OBJCOPY) $(TARGET).elf $(TARGET).bin -O binary
+
+spotless : distclean
+        $(RM) *.bin *.elf *.v64 *.img *.bak *.tmp *.map
+
+send: $(TARGET).v64
+        sudo ucon64 --xv64  $(TARGET).v64
+

backends/platform/n64/pakfs_save_manager.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <n64utils.h>
+#include "pakfs_save_manager.h"
+
+static bool matches(const char *glob, const char *name);
+
+bool deleteSaveGame(const char *filename) {
+        int res = removeFileOnPak(filename);
+        flushCurrentPakData();
+
+        return (res == 0);
+}
+
+uint32 InPAKSave::read(void *buf, uint32 cnt) {
+        return pakfs_read(buf, 1, cnt, fd);
+}
+
+bool InPAKSave::seek(int32 offs, int whence) {
+        pakfs_seek(fd, offs, whence);
+
+        return true;
+}
+
+bool InPAKSave::skip(uint32 offset) {
+        pakfs_seek(fd, offset, SEEK_CUR);
+
+        return true;
+}
+
+uint32 OutPAKSave::write(const void *buf, uint32 cnt) {
+        return pakfs_write(buf, 1, cnt, fd);
+}
+
+Common::StringList PAKSaveManager::listSavefiles(const Common::String &pattern) {
+        PAKDIR *dirp = pakfs_opendir();
+        pakfs_dirent *dp;
+        Common::StringList list;
+
+        while ((dp = pakfs_readdir(dirp)) != NULL) {
+                if (matches(pattern.c_str(), dp->entryname))
+                        list.push_back(dp->entryname);
+
+                free(dp);
+        }
+
+        pakfs_closedir(dirp);
+
+        return list;
+}
+
+static bool matches(const char *glob, const char *name) {
+        while (*glob)
+                if (*glob == '*') {
+                        while (*glob == '*')
+                                glob++;
+                        do {
+                                if ((*name == *glob || *glob == '?') &&
+                                        matches(glob, name))
+                                        return true;
+                        } while (*name++);
+                        return false;
+                } else if (!*name)
+                        return false;
+                else if (*glob == '?' || *glob == *name) {
+                        glob++;
+                        name++;
+                } else
+                        return false;
+        return !*name;
+}
+

backends/fs/stdiostream.cpp

@@ -25 +25 @@
 
 #include "backends/fs/stdiostream.h"
 
+#ifdef __N64__
+        #include <romfs.h> 
+
+        #undef feof
+        #undef clearerr
+        #undef ferror
+
+        #undef FILE
+        #define FILE ROMFILE
+
+        #define fopen(name, mode)                                       romfs_open(name, mode)
+        #define fclose(handle)                                          romfs_close(handle)
+        #define fread(ptr, size, items, file)           romfs_read(ptr, size, items, file)
+        #define fwrite(ptr, size, items, file)          romfs_write(ptr, size, items, file)
+        #define feof(handle)                                            romfs_eof(handle)
+        #define ftell(handle)                                           romfs_tell(handle)
+        #define fseek(handle, offset, whence)           romfs_seek(handle, offset, whence)
+        #define clearerr(handle)                                        romfs_clearerr(handle)
+        #define fflush(file)                                            romfs_flush(file)
+        #define ferror(handle)                                          romfs_error(handle)
+#endif
+
 StdioStream::StdioStream(void *handle) : _handle(handle) {
         assert(handle);
 }

backends/fs/n64/n64-fs-factory.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/fs/posix/posix-fs-factory.cpp $
+ * $Id: posix-fs-factory.cpp 39398 2009-03-14 17:07:07Z fingolfin $
+ */
+
+#ifdef __N64__
+
+#include <n64utils.h>
+
+#include "backends/fs/n64/n64-fs-factory.h"
+#include "backends/fs/n64/n64-fs.cpp"
+
+AbstractFSNode *N64FilesystemFactory::makeRootFileNode() const {
+        return new N64FilesystemNode();
+}
+
+AbstractFSNode *N64FilesystemFactory::makeCurrentDirectoryFileNode() const {
+        char buf[MAXPATHLEN];
+        return romfs_getcwd(buf, MAXPATHLEN) ? new N64FilesystemNode(Common::String(buf), false) : NULL;
+}
+
+AbstractFSNode *N64FilesystemFactory::makeFileNodePath(const Common::String &path) const {
+        assert(!path.empty());
+        return new N64FilesystemNode(path, false);
+}
+
+#endif
+

backends/fs/n64/n64-fs-factory.h

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/fs/posix/posix-fs-factory.h $
+ * $Id: posix-fs-factory.h 34716 2008-10-02 16:58:59Z fingolfin $
+ */
+
+#ifndef N64_FILESYSTEM_FACTORY_H
+#define N64_FILESYSTEM_FACTORY_H
+
+#include <romfs.h>
+#include "backends/fs/fs-factory.h"
+
+/**
+ * Creates N64FilesystemNode objects.
+ *
+ * Parts of this class are documented in the base interface class, FilesystemFactory.
+ */
+class N64FilesystemFactory : public FilesystemFactory {
+        virtual AbstractFSNode *makeRootFileNode() const;
+        virtual AbstractFSNode *makeCurrentDirectoryFileNode() const;
+        virtual AbstractFSNode *makeFileNodePath(const Common::String &path) const;
+};
+
+#endif /*N64_FILESYSTEM_FACTORY_H*/

backends/fs/n64/n64-fs.cpp

@@ +1 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifdef __N64__
+
+#include "backends/fs/abstract-fs.h"
+#include "backends/fs/stdiostream.h"
+
+#include <sys/param.h>
+
+#include <unistd.h>
+
+#include <n64utils.h>
+
+#define ROOT_PATH       "/"
+
+/**
+ * Implementation of the ScummVM file system API based on N64 Hkz romfs.
+ *
+ * Parts of this class are documented in the base interface class, AbstractFSNode.
+ */
+class N64FilesystemNode : public AbstractFSNode {
+protected:
+        Common::String _displayName;
+        Common::String _path;
+        bool _isDirectory;
+        bool _isValid;
+
+public:
+        /**
+         * Creates a N64FilesystemNode with the root node as path.
+         */
+        N64FilesystemNode();
+
+        /**
+         * Creates a N64FilesystemNode for a given path.
+         *
+         * @param path Common::String with the path the new node should point to.
+         * @param verify true if the isValid and isDirectory flags should be verified during the construction.
+         */
+        N64FilesystemNode(const Common::String &p, bool verify = true);
+
+        virtual bool exists() const;
+        virtual Common::String getDisplayName() const {
+                return _displayName;
+        }
+        virtual Common::String getName() const {
+                return _displayName;
+        }
+        virtual Common::String getPath() const {
+                return _path;
+        }
+        virtual bool isDirectory() const {
+                return _isDirectory;
+        }
+        virtual bool isReadable() const;
+        virtual bool isWritable() const;
+
+        virtual AbstractFSNode *getChild(const Common::String &n) const;
+        virtual bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const;
+        virtual AbstractFSNode *getParent() const;
+
+        virtual Common::SeekableReadStream *createReadStream();
+        virtual Common::WriteStream *createWriteStream();
+};
+
+N64FilesystemNode::N64FilesystemNode() {
+        _isDirectory = true;
+        _displayName = "Root";
+        _isValid = true;
+        _path = ROOT_PATH;
+}
+
+N64FilesystemNode::N64FilesystemNode(const Common::String &p, bool verify) {
+        assert(p.size() > 0);
+
+        _path = p;
+        _displayName = lastPathComponent(_path, '/');
+        _isValid = true;
+        _isDirectory = true;
+
+        // Check if it's a dir
+        ROMFILE *tmpfd = romfs_open(p.c_str(), "r");
+        if (tmpfd) {
+                _isDirectory = (tmpfd->type == 0 || tmpfd->type == 1);
+                romfs_close(tmpfd);
+        }
+}
+
+bool N64FilesystemNode::exists() const {
+        int ret = -1;
+
+        ret = romfs_access(_path.c_str(), F_OK);
+
+        return ret == 0;
+}
+
+bool N64FilesystemNode::isReadable() const {
+        int ret = -1;
+
+        ret = romfs_access(_path.c_str(), R_OK);
+
+        return ret == 0;
+}
+
+// We can't write on ROMFS!
+bool N64FilesystemNode::isWritable() const {
+        return false;
+}
+
+
+AbstractFSNode *N64FilesystemNode::getChild(const Common::String &n) const {
+        // FIXME: Pretty lame implementation! We do no error checking to speak
+        // of, do not check if this is a special node, etc.
+        assert(_isDirectory);
+
+        Common::String newPath(_path);
+        if (_path.lastChar() != '/')
+                newPath += '/';
+        newPath += n;
+
+        return new N64FilesystemNode(newPath, true);
+}
+
+bool N64FilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
+        assert(_isDirectory);
+        ROMDIR *dirp = romfs_opendir(_path.c_str());
+        romfs_dirent *dp;
+
+        if (dirp == NULL)
+                return false;
+
+        // loop over dir entries using readdir
+        while ((dp = romfs_readdir(dirp)) != NULL) {
+                // Skip 'invisible' files if necessary
+                if (dp->entryname[0] == '.' && !hidden) {
+                        free(dp);
+                        continue;
+                }
+                // Skip '.' and '..' to avoid cycles
+                if ((dp->entryname[0] == '.' && dp->entryname[1] == 0) || (dp->entryname[0] == '.' && dp->entryname[1] == '.')) {
+                        free(dp);
+                        continue;
+                }
+
+                // Start with a clone of this node, with the correct path set
+                N64FilesystemNode entry(*this);
+                entry._displayName = dp->entryname;
+                if (_path.lastChar() != '/')
+                        entry._path += '/';
+                entry._path += entry._displayName;
+
+                // Force validity for now...
+                entry._isValid = 1;
+
+                entry._isDirectory = (dp->type == 0 || dp->type == 1);
+
+                // Honor the chosen mode
+                if ((mode == Common::FSNode::kListFilesOnly && entry._isDirectory) ||
+                        (mode == Common::FSNode::kListDirectoriesOnly && !entry._isDirectory)) {
+
+                        free(dp);
+                        continue;
+                }
+
+                myList.push_back(new N64FilesystemNode(entry));
+
+                free(dp);
+        }
+        romfs_closedir(dirp);
+
+        return true;
+}
+
+AbstractFSNode *N64FilesystemNode::getParent() const {
+        if (_path == ROOT_PATH)
+                return 0;
+
+        const char *start = _path.c_str();
+        const char *end = lastPathComponent(_path, '/');
+
+        return new N64FilesystemNode(Common::String(start, end - start), false);
+}
+
+Common::SeekableReadStream *N64FilesystemNode::createReadStream() {
+        return StdioStream::makeFromPath(getPath(), false);
+}
+
+Common::WriteStream *N64FilesystemNode::createWriteStream() {
+        return StdioStream::makeFromPath(getPath(), true);
+}
+
+#endif //#ifdef __N64__
+

backends/module.mk

@@ -15 +15 @@
         fs/symbian/symbian-fs-factory.o \
         fs/windows/windows-fs-factory.o \
         fs/wii/wii-fs-factory.o \
+        fs/n64/n64-fs-factory.o \
         keymapper/action.o \
         keymapper/keymap.o \
         keymapper/keymapper.o \