diff options
Diffstat (limited to 'backends/platform/ds/arm9/source/osystem_ds.cpp')
-rw-r--r-- | backends/platform/ds/arm9/source/osystem_ds.cpp | 232 |
1 files changed, 186 insertions, 46 deletions
diff --git a/backends/platform/ds/arm9/source/osystem_ds.cpp b/backends/platform/ds/arm9/source/osystem_ds.cpp index 79b0c5390b..5ddcb50b15 100644 --- a/backends/platform/ds/arm9/source/osystem_ds.cpp +++ b/backends/platform/ds/arm9/source/osystem_ds.cpp @@ -41,7 +41,8 @@ OSystem_DS* OSystem_DS::_instance = NULL; OSystem_DS::OSystem_DS() - : eventNum(0), lastPenFrame(0), queuePos(0), _mixer(NULL), _timer(NULL), _frameBufferExists(false) + : eventNum(0), lastPenFrame(0), queuePos(0), _mixer(NULL), _timer(NULL), _frameBufferExists(false), + _disableCursorPalette(true), _graphicsEnable(true) { // eventNum = 0; // lastPenFrame = 0; @@ -71,7 +72,13 @@ void OSystem_DS::initBackend() { _timer = new DSTimerManager(); DS::setTimerCallback(&OSystem_DS::timerHandler, 10); - _mixer->setOutputRate(11025 /*DS::getSoundFrequency()*/); + if (ConfMan.hasKey("22khzaudio", "ds") && ConfMan.getBool("22khzaudio", "ds")) { + DS::startSound(22050, 8192); + } else { + DS::startSound(11025, 4096); + } + + _mixer->setOutputRate(DS::getSoundFrequency()); _mixer->setReady(true); OSystem::initBackend(); @@ -79,7 +86,7 @@ void OSystem_DS::initBackend() { bool OSystem_DS::hasFeature(Feature f) { // consolePrintf("hasfeature\n"); - return (f == kFeatureVirtualKeyboard); + return (f == kFeatureVirtualKeyboard) || (f == kFeatureCursorHasPalette); } void OSystem_DS::setFeatureState(Feature f, bool enable) { @@ -107,7 +114,7 @@ bool OSystem_DS::setGraphicsMode(int mode) { } bool OSystem_DS::setGraphicsMode(const char *name) { -// consolePrintf("Set gfx mode %s\n", name); + consolePrintf("Set gfx mode %s\n", name); return true; } @@ -116,8 +123,15 @@ int OSystem_DS::getGraphicsMode() const { } void OSystem_DS::initSize(uint width, uint height) { -// consolePrintf("Set gfx mode %d x %d\n", width, height); - DS::setGameSize(width, height); + // For Lost in Time, the title screen is displayed in 640x400. + // In order to support this game, the screen mode is set, but + // all draw calls are ignored until the game switches to 320x200. + if ((width == 640) && (height == 400)) { + _graphicsEnable = false; + } else { + _graphicsEnable = true; + DS::setGameSize(width, height); + } } int16 OSystem_DS::getHeight() { @@ -129,9 +143,8 @@ int16 OSystem_DS::getWidth() { } void OSystem_DS::setPalette(const byte *colors, uint start, uint num) { -// consolePrintf("Set palette %d, %d colours\n", start, num); -//return; - if (!DS::getIsDisplayMode8Bit()) return; +// consolePrintf("Setpal %d, %d\n", start, num); + for (unsigned int r = start; r < start + num; r++) { int red = *colors; int green = *(colors + 1); @@ -141,17 +154,44 @@ void OSystem_DS::setPalette(const byte *colors, uint start, uint num) { green >>= 3; blue >>= 3; - if (r != 255) +// if (r != 255) { - BG_PALETTE[r] = red | (green << 5) | (blue << 10); - if (!DS::getKeyboardEnable()) { - BG_PALETTE_SUB[r] = red | (green << 5) | (blue << 10); + u16 paletteValue = red | (green << 5) | (blue << 10); + + if (DS::getIsDisplayMode8Bit()) { + BG_PALETTE[r] = paletteValue; + if (!DS::getKeyboardEnable()) { + BG_PALETTE_SUB[r] = paletteValue; + } } + + _palette[r] = paletteValue; } -// if (num == 16) consolePrintf("pal:%d r:%d g:%d b:%d\n", r, red, green, blue); + // if (num == 255) consolePrintf("pal:%d r:%d g:%d b:%d\n", r, red, green, blue); + + colors += 4; + } +} + +void OSystem_DS::setCursorPalette(const byte *colors, uint start, uint num) { + +// consolePrintf("Cursor palette set: start: %d, cols: %d\n", start, num); + for (unsigned int r = start; r < start + num; r++) { + int red = *colors; + int green = *(colors + 1); + int blue = *(colors + 2); + + red >>= 3; + green >>= 3; + blue >>= 3; + u16 paletteValue = red | (green << 5) | (blue << 10); + _cursorPalette[r] = paletteValue; + colors += 4; } + + _disableCursorPalette = false; } bool OSystem_DS::grabRawScreen(Graphics::Surface* surf) { @@ -184,9 +224,11 @@ void OSystem_DS::grabPalette(unsigned char *colors, uint start, uint num) { } +#define MISALIGNED16(ptr) (((u32) (ptr) & 1) != 0) + void OSystem_DS::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) { -// consolePrintf("Copy rect %d, %d %d, %d ", x, y, w, h); - + //consolePrintf("Copy rect %d, %d %d, %d ", x, y, w, h); + if (!_graphicsEnable) return; if (w <= 1) return; if (h < 0) return; if (!DS::getIsDisplayMode8Bit()) return; @@ -195,6 +237,9 @@ void OSystem_DS::copyRectToScreen(const byte *buf, int pitch, int x, int y, int s32 stride; u16* bgSub = (u16 *) BG_GFX_SUB; + // The DS video RAM doesn't support 8-bit writes because Nintendo wanted + // to save a few pennies/euro cents on the hardware. + if (_frameBufferExists) { bg = (u16 *) _framebuffer.pixels; stride = _framebuffer.pitch; @@ -203,46 +248,117 @@ void OSystem_DS::copyRectToScreen(const byte *buf, int pitch, int x, int y, int stride = DS::get8BitBackBufferStride(); } - u16* src = (u16 *) buf; - - if (DS::getKeyboardEnable()) { - + if (((pitch & 1) != 0) || ((w & 1) != 0) || (((int) (buf) & 1) != 0)) { + + // Something is misaligned, so we have to use the slow but sure method + + int by = 0; + for (int dy = y; dy < y + h; dy++) { - u16* dest = bg + (dy * (stride >> 1)) + (x >> 1); - - DC_FlushRange(src, w << 1); - DC_FlushRange(dest, w << 1); - dmaCopyHalfWords(3, src, dest, w); - - src += pitch >> 1; + u8* dest = ((u8 *) (bg)) + (dy * stride) + x; + u8* destSub = ((u8 *) (bgSub)) + (dy * 512) + x; + u8* src = (u8 *) buf + (pitch * by); + + u32 dx; + + u32 pixelsLeft = w; + + if (MISALIGNED16(dest)) { + // Read modify write + + dest--; + u16 mix = *((u16 *) dest); + + mix = (mix & 0x00FF) | (*src++ << 8); + + *dest = mix; + *destSub = mix; + + dest += 2; + destSub += 2; + pixelsLeft--; + } + + // We can now assume dest is aligned + u16* dest16 = (u16 *) dest; + u16* destSub16 = (u16 *) destSub; + + for (dx = 0; dx < pixelsLeft; dx+=2) { + u16 mix; + + mix = *src + (*(src + 1) << 8); + *dest16++ = mix; + *destSub16++ = mix; + src += 2; + } + + pixelsLeft -= dx; + + // At the end we may have one pixel left over + + if (pixelsLeft != 0) { + u16 mix = *dest16; + + mix = (mix & 0x00FF) | ((*src++) << 8); + + *dest16 = mix; + *destSub16 = mix; + } + + by++; + } - + +// consolePrintf("Slow method used!\n"); + + } else { - for (int dy = y; dy < y + h; dy++) { - u16* dest1 = bg + (dy * (stride >> 1)) + (x >> 1); - u16* dest2 = bgSub + (dy << 8) + (x >> 1); + + // Stuff is aligned to 16-bit boundaries, so it's safe to do DMA. + + u16* src = (u16 *) buf; + + if (DS::getKeyboardEnable()) { + + for (int dy = y; dy < y + h; dy++) { + u16* dest = bg + (dy * (stride >> 1)) + (x >> 1); - DC_FlushRange(src, w << 1); - DC_FlushRange(dest1, w << 1); - DC_FlushRange(dest2, w << 1); - - dmaCopyHalfWords(3, src, dest1, w); - dmaCopyHalfWords(3, src, dest2, w); - - src += pitch >> 1; - } - } + DC_FlushRange(src, w << 1); + DC_FlushRange(dest, w << 1); + dmaCopyHalfWords(3, src, dest, w); -// consolePrintf("Done\n"); + while (dmaBusy(3)); + + src += pitch >> 1; + } + + } else { + for (int dy = y; dy < y + h; dy++) { + u16* dest1 = bg + (dy * (stride >> 1)) + (x >> 1); + u16* dest2 = bgSub + (dy << 8) + (x >> 1); + + DC_FlushRange(src, w << 1); + DC_FlushRange(dest1, w << 1); + DC_FlushRange(dest2, w << 1); + + dmaCopyHalfWords(3, src, dest1, w); - + if ((!_frameBufferExists) || (buf == _framebuffer.pixels)) { + dmaCopyHalfWords(2, src, dest2, w); + } + while (dmaBusy(2) || dmaBusy(3)); + + src += pitch >> 1; + } + } + } +// consolePrintf("Done\n"); } void OSystem_DS::updateScreen() { - if ((_frameBufferExists) && (DS::getIsDisplayMode8Bit())) - { + if ((_frameBufferExists) && (DS::getIsDisplayMode8Bit())) { _frameBufferExists = false; // Copy temp framebuffer back to screen @@ -253,6 +369,12 @@ void OSystem_DS::updateScreen() { DS::doSoundCallback(); // DS::doTimerCallback(); DS::addEventsToQueue(); + + // Force back buffer usage for Nippon Safes, as it doesn't double buffer it's output + if (DS::getControlType() == DS::CONT_NIPPON) { + OSystem_DS::instance()->lockScreen(); + OSystem_DS::instance()->unlockScreen(); + } } void OSystem_DS::setShakePos(int shakeOffset) { @@ -334,7 +456,21 @@ void OSystem_DS::warpMouse(int x, int y) { } void OSystem_DS::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int targetCursorScale) { - DS::setCursorIcon(buf, w, h, keycolor, hotspotX, hotspotY); + if ((w > 0) && (w < 64) && (h > 0) && (h < 64)) + { + memcpy(_cursorImage, buf, w * h); + _cursorW = w; + _cursorH = h; + _cursorHotX = hotspotX; + _cursorHotY = hotspotY; + _cursorKey = keycolor; + _cursorScale = targetCursorScale; + refreshCursor(); + } +} + +void OSystem_DS::refreshCursor() { + DS::setCursorIcon(_cursorImage, _cursorW, _cursorH, _cursorKey, _cursorHotX, _cursorHotY); } void OSystem_DS::addEvent(Common::Event& e) { @@ -489,7 +625,11 @@ Common::SaveFileManager* OSystem_DS::getSavefileManager() { if (DS::isGBAMPAvailable() && (!forceSram)) { return &mpSaveManager; } else { +#ifdef GBA_SRAM_SAVE return &saveManager; +#else + return NULL; +#endif } } |