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Diffstat (limited to 'backends/platform/ds/arm9/source')
-rw-r--r--backends/platform/ds/arm9/source/dsmain.cpp126
1 files changed, 100 insertions, 26 deletions
diff --git a/backends/platform/ds/arm9/source/dsmain.cpp b/backends/platform/ds/arm9/source/dsmain.cpp
index 499001b393..01c24b0ab8 100644
--- a/backends/platform/ds/arm9/source/dsmain.cpp
+++ b/backends/platform/ds/arm9/source/dsmain.cpp
@@ -138,6 +138,7 @@ bool consoleEnable = true;
bool gameScreenSwap = false;
bool cpuScaler = false;
bool isCpuScalerEnabled();
+//#define HEAVY_LOGGING
MouseMode mouseMode;
@@ -348,6 +349,8 @@ void startSound(int freq, int buffer) {
int bytes = (2 * (bufferSamples)) + 100;
soundBuffer = (s16 *) malloc(bytes * 2);
+ if (!soundBuffer)
+ consolePrintf("Sound buffer alloc failed\n");
soundHiPart = true;
@@ -375,7 +378,9 @@ int getSoundFrequency() {
void initGame() {
// This is a good time to check for left handed mode since the mode change is done as the game starts.
// There's probably a better way, but hey.
-// consolePrintf("initing game\n");
+ #ifdef HEAVY_LOGGING
+ consolePrintf("initing game...");
+ #endif
static bool firstTime = true;
@@ -405,6 +410,9 @@ void initGame() {
}
}
+ #ifdef HEAVY_LOGGING
+ consolePrintf("done\n");
+ #endif
}
@@ -430,6 +438,9 @@ void setUnscaledMode(bool enable) {
void displayMode8Bit() {
+#ifdef HEAVY_LOGGING
+ consolePrintf("displayMode8Bit...");
+#endif
u16 buffer[32 * 32];
setKeyboardEnable(false);
@@ -440,32 +451,52 @@ void displayMode8Bit() {
}
}
+ if (isCpuScalerEnabled())
+ {
+ videoSetMode(MODE_5_2D | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_ACTIVE | DISPLAY_SPR_1D | DISPLAY_SPR_1D_BMP);
+ videoSetModeSub(MODE_3_2D /*| DISPLAY_BG0_ACTIVE*/ | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_ACTIVE | DISPLAY_SPR_1D | DISPLAY_SPR_1D_BMP); //sub bg 0 will be used to print text
-
- videoSetMode(MODE_5_2D | (consoleEnable? DISPLAY_BG0_ACTIVE: 0) | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_ACTIVE | DISPLAY_SPR_1D | DISPLAY_SPR_1D_BMP);
- videoSetModeSub(MODE_3_2D /*| DISPLAY_BG0_ACTIVE*/ | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_ACTIVE | DISPLAY_SPR_1D | DISPLAY_SPR_1D_BMP); //sub bg 0 will be used to print text
-
- vramSetBankA(VRAM_A_MAIN_BG_0x6000000);
- vramSetBankB(VRAM_B_MAIN_BG_0x6020000);
-
- vramSetBankC(VRAM_C_SUB_BG_0x6200000);
- vramSetBankD(VRAM_D_MAIN_BG_0x6040000);
+ vramSetBankA(VRAM_A_MAIN_BG_0x6000000);
+ vramSetBankB(VRAM_B_MAIN_BG_0x6020000);
+
+ vramSetBankC(VRAM_C_SUB_BG_0x6200000);
+ vramSetBankD(VRAM_D_MAIN_BG_0x6040000);
+
+ vramSetBankH(VRAM_H_LCD);
- vramSetBankH(VRAM_H_LCD);
+ BG3_CR = BG_BMP16_256x256 | BG_BMP_BASE(8);
- BG3_CR = BG_BMP8_512x256 | BG_BMP_BASE(8);
+ BG3_XDX = 256;
+ BG3_XDY = 0;
+ BG3_YDX = 0;
+ BG3_YDY = (int) ((200.0f / 192.0f) * 256);
+
+ SUB_BG3_CR = BG_BMP16_256x256;
+ }
+ else
+ {
+ videoSetMode(MODE_5_2D | (consoleEnable? DISPLAY_BG0_ACTIVE: 0) | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_ACTIVE | DISPLAY_SPR_1D | DISPLAY_SPR_1D_BMP);
+ videoSetModeSub(MODE_3_2D /*| DISPLAY_BG0_ACTIVE*/ | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_ACTIVE | DISPLAY_SPR_1D | DISPLAY_SPR_1D_BMP); //sub bg 0 will be used to print text
+ vramSetBankA(VRAM_A_MAIN_BG_0x6000000);
+ vramSetBankB(VRAM_B_MAIN_BG_0x6020000);
+ vramSetBankC(VRAM_C_SUB_BG_0x6200000);
+ vramSetBankD(VRAM_D_MAIN_BG_0x6040000);
+
+ vramSetBankH(VRAM_H_LCD);
- BG3_XDX = (int) (((float) (gameWidth) / 256.0f) * 256);
- BG3_XDY = 0;
- BG3_YDX = 0;
- BG3_YDY = (int) ((200.0f / 192.0f) * 256);
+ BG3_CR = BG_BMP8_512x256 | BG_BMP_BASE(8);
+
+ BG3_XDX = (int) (((float) (gameWidth) / 256.0f) * 256);
+ BG3_XDY = 0;
+ BG3_YDX = 0;
+ BG3_YDY = (int) ((200.0f / 192.0f) * 256);
- SUB_BG3_CR = BG_BMP8_512x256;
-
-
+ SUB_BG3_CR = BG_BMP8_512x256;
+ }
+
SUB_BG3_XDX = (int) (subScreenWidth / 256.0f * 256);
SUB_BG3_XDY = 0;
SUB_BG3_YDX = 0;
@@ -492,7 +523,10 @@ void displayMode8Bit() {
if (!displayModeIs8Bit) restoreGameBackBuffer();
displayModeIs8Bit = true;
-
+ #ifdef HEAVY_LOGGING
+ consolePrintf("done\n");
+ #endif
+
POWER_CR &= ~POWER_SWAP_LCDS;
keyboardEnable = false;
@@ -581,6 +615,9 @@ void setCursorIcon(const u8* icon, uint w, uint h, byte keycolor) {
void displayMode16Bit() {
+ #ifdef HEAVY_LOGGING
+ consolePrintf("displayMode16Bit...");
+ #endif
u16 buffer[32 * 32 * 2];
@@ -637,13 +674,18 @@ void displayMode16Bit() {
POWER_CR &= ~POWER_SWAP_LCDS;
-
-
displayModeIs8Bit = false;
+ #ifdef HEAVY_LOGGING
+ consolePrintf("done\n");
+ #endif
+
}
void displayMode16BitFlipBuffer() {
+ #ifdef HEAVY_LOGGING
+ consolePrintf("Flip %s...", displayModeIs8Bit ? "8bpp" : "16bpp");
+ #endif
if (!displayModeIs8Bit) {
u16* back = get16BitBackBuffer();
@@ -664,6 +706,19 @@ void displayMode16BitFlipBuffer() {
}
}
}
+ else if (isCpuScalerEnabled())
+ {
+ const u8* back = (const u8*)get8BitBackBuffer();
+ u16* base = BG_GFX + 0x10000;
+ DS::Rescale_320x256xPAL8_To_256x256x1555( base,
+ back,
+ BG_PALETTE,
+ 256,
+ 512);
+ }
+ #ifdef HEAVY_LOGGING
+ consolePrintf("done\n");
+ #endif
}
void setShakePos(int shakePos) {
@@ -676,7 +731,10 @@ u16* get16BitBackBuffer() {
}
u16* get8BitBackBuffer() {
- return BG_GFX + 0x10000; // 16bit qty!
+ if (cpuScaler)
+ return BG_GFX;
+ else
+ return BG_GFX + 0x10000; // 16bit qty!
}
void setSoundProc(OSystem_DS::SoundProc proc, void* param) {
@@ -690,7 +748,11 @@ void setSoundProc(OSystem_DS::SoundProc proc, void* param) {
// a horrible bodge. Any advice on how to change the engine to output mono would be greatly
// appreciated.
void doSoundCallback() {
- if ((soundCallback)) {
+ #ifdef HEAVY_LOGGING
+ consolePrintf("doSoundCallback...");
+ #endif
+
+ if (soundCallback) {
lastCallbackFrame = frameCount;
for (int r = IPC->playingSection; r < IPC->playingSection + 4; r++) {
@@ -707,6 +769,9 @@ void doSoundCallback() {
}
}
+ #ifdef HEAVY_LOGGING
+ consolePrintf("done\n");
+ #endif
}
void doTimerCallback() {
@@ -904,6 +969,9 @@ bool getIsDisplayMode8Bit() {
}
void addEventsToQueue() {
+ #ifdef HEAVY_LOGGING
+ consolePrintf("addEventsToQueue\n");
+ #endif
OSystem_DS* system = OSystem_DS::instance();
OSystem::Event event;
@@ -1262,7 +1330,7 @@ void setMainScreenScale(int x, int y) {
SUB_BG3_YDX = 0;
SUB_BG3_YDY = y;
} else {
- if (cpuScaler && (!displayModeIs8Bit) && (x==320))
+ if (cpuScaler && (x==320))
{
BG3_XDX = 256;
BG3_XDY = 0;
@@ -1318,7 +1386,7 @@ void VBlankHandler(void) {
// consolePrintf("Guard band overwritten!");
// }
-// consolePri ntf("X:%d Y:%d\n", getPenX(), getPenY());
+ //consolePrintf("X:%d Y:%d\n", getPenX(), getPenY());
static bool firstTime = true;
@@ -1679,10 +1747,16 @@ void initHardware() {
// Set up a millisecond timer
+ #ifdef HEAVY_LOGGING
+ consolePrintf("Setting up timer...");
+ #endif
TIMER0_CR = 0;
TIMER0_DATA = (u32) TIMER_FREQ(1000);
TIMER0_CR = TIMER_ENABLE | TIMER_DIV_1 | TIMER_IRQ_REQ;
REG_IME = 1;
+ #ifdef HEAVY_LOGGING
+ consolePrintf("done\n");
+ #endif
PALETTE[255] = RGB15(0,0,31);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 23:49:28 +0000