void kernelmain(LoaderInfo *info) {
asm("mov $0x10, %ax"); // fix 64bit selectors
asm("mov %ax, %ds");
asm("mov %ax, %es");
asm("mov %ax, %fs");
asm("mov %ax, %gs");
asm("mov %ax, %ss");
asm("mov $0x90000, %rsp"); // temporary stack
setupTTY(info); // first, so that we can output text to screen et.c
kprintf(" %s ", _kernelName);
kprintf(_kernelVersionFormat, _kernelVersionMajor, _kernelVersionMinor, _kernelVersionPatch, KERNEL_GIT_VERSION);
kprintf(" %s %s", _kernelBuildDate, _kernelBuildTime);
kprintf("\n\nScreen mode %dx%d @ %d bits per pixel; %d bytes per row.\n\n", info->vesaPixelWidth, info->vesaPixelHeight, info->vesaPixelDepth, info->vesaBytesPerRow);
// setupPaging(info);
setupE820(info);
setupInterrupts();
dev_hook_run();
asm("jmp .;");
}
void setup() {
setupLevels();
stateFunction = runSplash;
setupSplash();
setupInterrupts();
setupSounds();
playSound(B, (unsigned char*)main_11025Hz, MAIN_11025HZ_SIZE, 11025, 1);
}
int startSounds() {
setupInterrupts();
setupSounds();
//playSoundA(powerupsfx, POWERUPSFXLEN, POWERUPSFXFREQ, 0);
// don't play sound B inside while loop !!!!!
//playSoundB(specialbgm2, SPECIALBGM2LEN, SPECIALBGM2FREQ, 1);
//playSoundA(powerupsfx, POWERUPSFXLEN, POWERUPSFXFREQ, 0);
}
//Begins Text Input
void getText(char *buffer)
{
int FINISHED = 0;
clearScreen();
setupInterrupts();
initializeSprites();
drawKeyboard();
playBG = TRUE;
while(!FINISHED)
{
if(playBG && !BGplaying)
{
// play the bg music
DMA[2].cnt |= DMA_ON;
REG_TM1CNT |= TM_ON;
startBG = vblankcount;
BGplaying = TRUE;
DMA[2].src = flute;
}
checkMovement();
//Check Input and End Function if finished
if(!endInput)
{
checkSelection(buffer);
copyShadow();
waitForVblank();
moveSpriteToMem();
}
else
{
DMA[2].cnt &= ~DMA_ON;
REG_TM1CNT &= ~TM_ON;
playBG = FALSE;
waitForVblank();
FINISHED = 1;
resetVariables();
endInput = 0;
resetCursor();
}
}
clearScreen();
}
//-----------------------------------------------------------
// program entry point
//-----------------------------------------------------------
int main( void )
//-----------------------------------------------------------
{
// setup things
setupInterrupts();
setupGraphics();
resetBall();
// start main loop
while( 1 )
{
// update game logic
processLogic();
// wait for new frame
swiWaitForVBlank();
// update graphics
updateGraphics();
}
return 0;
}
//Begins Text Input
void getText(char *buffer)
{
setRegister();
setupInterrupts();
initializeTiles();
initializeSprites();
drawKeyboard();
playBG = TRUE;
while(1)
{
if(playBG && !BGplaying)
{
// play the bg music
DMA[2].cnt |= DMA_ON;
REG_TM1CNT |= TM_ON;
startBG = vblankcount;
BGplaying = TRUE;
DMA[2].src = flute;
}
checkMovement();
if(!endInput)
{
checkSelection(buffer);
}
else
{
DMA[2].cnt &= ~DMA_ON;
REG_TM1CNT &= ~TM_ON;
playBG = FALSE;
waitForVblank();
}
copyShadow();
waitForVblank();
moveSpriteToMem();
}
}
int main() {
setupInterrupts();
setupSounds();
playSoundA(titleSong, TITLESONGLEN, TITLESONGFREQ, 1);
// Start game with splash screen
splash();
// Main Game Loop
while (1) {
oldButtons = buttons;
buttons = BUTTONS;
// Update player row and column
player.bigRow = player.row + vOff;
player.bigCol = player.col + hOff;
switch(state) {
case SPLASH:
// Displays splash screen
splash();
break;
case INSTRUCTIONS:
instructions();
break;
case GAME:
// Game Function holds all game logic
game();
break;
case SEASONCHANGE:
// Warp-like animation as player changes between seasons
warpAnimation();
// Change game to correct season, based on prevSeason and return to gameplay
if (vBlankCount < 1) {
seasonChange();
state = GAME;
}
break;
case PAUSE:
pause();
break;
case LOSE:
lose();
break;
case WINLEVEL:
winLevel();
break;
case GAMEEND:
gameEnd();
break;
}
// Shadow OAM Handling
// Player Sprite
shadowOAM[0].attr0 = (ROWMASK & player.row) | ATTR0_SQUARE;
shadowOAM[0].attr1 = (COLMASK & player.col) | ATTR1_SIZE16 | (ATTR1_HFLIP & (player.facing << 12));
shadowOAM[0].attr2 = (SPRITEOFFSET16(season * 2, player.currentFrame * 2)) | ATTR2_PRIORITY2;
// Season Icon Sprite
shadowOAM[1].attr0 = (ROWMASK & icon.row) | ATTR0_SQUARE;
shadowOAM[1].attr1 = (COLMASK & icon.col) | ATTR1_SIZE16;
shadowOAM[1].attr2 = (SPRITEOFFSET16(season * 2, 6)) | (1 << 10); // Priority 1
REG_BG2HOFS = hOff;
REG_BG2VOFS = vOff;
// Set BG1 offsets - used for snow and falling leaves
REG_BG1HOFS = bg1HOff;
REG_BG1VOFS = bg1VOff;
//Copy the shadowOAM into the OAM
DMANow(3, &shadowOAM, OAM, 512);
waitForVblank();
}
return 0;
}
int main(void)
{
while(1)
{
previousSpriteState = spriteState;
pollKeys();
enableSounds();
setupInterrupts();
switch(state)
{
case SPLASH:
{
REG_DISPCNTL = BG2_ENABLE | MODE3;
fillPicture((u16 *)splashBitmap);
if (BUTTON_PRESSED(START_BUTTON))
{
state = GAME;
}
if (BUTTON_PRESSED(SELECT_BUTTON))
{
state = INSTRUCTIONS;
}
break;
}
case INSTRUCTIONS:
{
fillPicture((u16 *)instructionsBitmap);
if (BUTTON_PRESSED(SELECT_BUTTON))
{
state = SPLASH;
}
break;
}
case GAME:
{
//load tiles
DMA_MEMORY[3].source = backgroundTiles;
DMA_MEMORY[3].destination = &CHARBLOCK[0];
DMA_MEMORY[3].control = 12000 | DMA_ON;
//load map
DMA_MEMORY[3].source = backgroundMap;
DMA_MEMORY[3].destination = &SCREENBLOCK[27];
DMA_MEMORY[3].control = 4096 | DMA_ON;
//load pallette
DMA_MEMORY[3].source = backgroundPal;
DMA_MEMORY[3].destination = PAL_MEM;
DMA_MEMORY[3].control = 256 | DMA_ON;
//load the sprites into memory
DMA_MEMORY[3].source = playerTiles;
DMA_MEMORY[3].destination = &CHARBLOCK[4];
DMA_MEMORY[3].control = 16384 | DMA_ON;
DMA_MEMORY[3].source = playerPal;
DMA_MEMORY[3].destination = SPRITE_PALETTE;
DMA_MEMORY[3].control = 256 | DMA_ON;
//Hide all sprites
int i;
for(i=0; i<128; i++)
{
OAM[i].attr0 |= ATTR0_HIDE;
}
//Set Mode 0 BG 0 and Enable sprites. then set up the sprites
REG_DISPCNTL = MODE0 | BG0_ENABLE | SPRITE_ENABLE;
REG_BG0CNT = BG_8BPP | BG_REG_64x64 | CBB(0) | SBB(27);
REG_TM0CNT = 0;
DMA[1].cnt = 0;
REG_TM0D = timerintervalA;
REG_TM0CNT = TIMER_ON;
DMA[1].src = bgsound;
DMA[1].dst = REG_FIFO_A;
DMA[1].cnt = DMA_ON | START_ON_FIFO_EMPTY |
DMA_32 | DMA_REPEAT |
DMA_DESTINATION_FIXED;
startA = vblankcountA;
while(1){
shadowOAM[0].attr0 = (playerRow & MASKROW) | ATTR0_TALL | ATTR0_REGULAR | ATTR0_8BPP;
shadowOAM[0].attr1 = (playerCol & MASKCOL)| ATTR1_SIZE32;
shadowOAM[0].attr2 = (SPRITEOFFSET16(0,0));
shadowOAM[1].attr0 = badguyRow | ATTR0_TALL | ATTR0_REGULAR | ATTR0_8BPP;
shadowOAM[1].attr1 = badguyCol | ATTR1_SIZE32;
shadowOAM[1].attr2 = (SPRITEOFFSET16(0,8));
pollKeys();
bigRow = playerRow + vOff;
bigCol = playerCol + hOff;
switch(spriteState)
{
case STILL:
{
shadowOAM[0].attr2 = (SPRITEOFFSET16(0,0));
break;
}
case MOVING:
{
if((walkCounter%2)==1)
shadowOAM[0].attr2 = (SPRITEOFFSET16(0,4));
else if((walkCounter%2==0))
{
shadowOAM[0].attr2 = (SPRITEOFFSET16(0,0));
}
break;
}
}
if(BUTTON_HELD(A_BUTTON) && BUTTON_HELD(B_BUTTON))
{
//load tiles
DMA_MEMORY[3].source = cheatbackgroundTiles;
DMA_MEMORY[3].destination = &CHARBLOCK[0];
DMA_MEMORY[3].control = 11456 | DMA_ON;
//load map
DMA_MEMORY[3].source = cheatbackgroundMap;
DMA_MEMORY[3].destination = &SCREENBLOCK[27];
DMA_MEMORY[3].control = 4096 | DMA_ON;
//load pallette
DMA_MEMORY[3].source = cheatbackgroundPal;
DMA_MEMORY[3].destination = PAL_MEM;
DMA_MEMORY[3].control = 256 | DMA_ON;
}
if (BUTTON_HELD(RIGHT_BUTTON))
{
spriteState=MOVING;
walkCounter++;
if(collisionmapBitmap[((bigRow+playerHeight)*collMapSize)+(bigCol+playerCVel+playerWidth)]==WHITE)
{
if(playerCol<(SCREEN_WIDTH-(playerWidth+5))){
playerCol+=playerCVel;
}
else if(hOff<(collMapSize-SCREEN_WIDTH))
{
hOff+=playerCVel;
}
}
}
if (BUTTON_HELD(LEFT_BUTTON))
{
spriteState=MOVING;
walkCounter++;
if(collisionmapBitmap[((bigRow+playerHeight)*collMapSize)+(bigCol+playerCVel)]==WHITE)
{
if(playerCol>(0))
{
playerCol-=playerCVel;
}
else if(hOff>(SCREEN_WIDTH-collMapSize))
{
hOff-=playerCVel;
}
}
}
if (BUTTON_HELD(UP_BUTTON))
{
spriteState=MOVING;
walkCounter++;
//Check collision and move
if((collisionmapBitmap[(((bigRow-playerRVel)*collMapSize)+(bigCol+playerWidth))]==WHITE)&&
(collisionmapBitmap[(((bigRow-playerRVel)*collMapSize)+(bigCol))]==WHITE))
{
if(playerRow>30)
{
playerRow-=playerRVel;
}
else if(vOff>0)
{
vOff-=playerRVel;
}
}
}
if (BUTTON_HELD(DOWN_BUTTON))
{
spriteState=MOVING;
walkCounter++;
//Check collision and move
if((collisionmapBitmap[(((bigRow+playerHeight+playerRVel)*collMapSize)+(bigCol+playerWidth))]==WHITE)&&
(collisionmapBitmap[(((bigRow+playerHeight+playerRVel)*collMapSize)+(bigCol))]==WHITE))
{
if(playerRow<(SCREEN_HEIGHT-(playerHeight)))
{
playerRow+=playerRVel;
}
else if(vOff<(collMapSize-SCREEN_HEIGHT))
{
vOff+=playerRVel;
}
if((playerRow > 440) && (playerCol > 464))
{
state = WIN;
}
}
}
if (BUTTON_PRESSED(START_BUTTON))
{
REG_TM1CNT = 0;
DMA[2].cnt = 0;
REG_TM1D = timerintervalB;
REG_TM1CNT = TIMER_ON;
DMA[2].src = bark;
DMA[2].dst = REG_FIFO_B;
DMA[2].cnt = DMA_ON | START_ON_FIFO_EMPTY |
DMA_32 | DMA_REPEAT |
DMA_DESTINATION_FIXED;
startB = vblankcountB;
}
if (BUTTON_PRESSED(SELECT_BUTTON))
{
//waitForNoKey();
state = PAUSE;
}
waitForVBlank();
OAM[0] = shadowOAM[0];
OAM[1] = shadowOAM[1];
REG_BG0HOFS = hOff;
REG_BG0VOFS = vOff;
}
}
case WIN:
{
while(1);
}
case PAUSE:
{
if(BUTTON_PRESSED(SELECT_BUTTON))
{
state=GAME;
}
}
}
}
return 0;
}
