static void drawBG() {
fillScreen4(200);
drawImage4(10, 10, 220, 140, frogBG);
}
int main() {
REG_DISPCTL = MODE4 | BG2_ENABLE;
// Splash screen here
setPalette(mainScreen_palette);
drawImage4(0, 0, 240, 160, mainScreen);
waitForVBlank();
flipPage();
int screen = 1;
int currentMode = EDITMODE;
const u16 colors[] = {WHITE, BLACK, RED, GREEN};
// alive = black = 1
// dead = white = 0
// alive + cursor = green = 3
// dead + cursor = red = 2
while (1) {
if (screen) {
setPalette(mainScreen_palette);
drawImage4(0, 0, 240, 160, mainScreen);
waitForVBlank();
flipPage();
if (KEY_DOWN_NOW(BUTTON_SELECT)) {
screen = 0;
setPalette(colors);
fillScreen4(DEAD);
flipPage();
copy();
while (KEY_DOWN_NOW(BUTTON_SELECT)) {
}
}
} else {
int draw = 0;
// Select (backspace) = toggle between edit and simmode
if (KEY_DOWN_NOW(BUTTON_SELECT)) {
if (currentMode == EDITMODE) {
currentMode = SIMMODE;
eraseCursor();
} else {
currentMode = EDITMODE;
}
while (KEY_DOWN_NOW(BUTTON_SELECT)) {
// Won't do anything while select button is down
}
}
// SIMMODE = 1
// EDITMODE = 0
// ***************SIM MODE*******************
if (currentMode) {
int paused = 0;
int sim = 1;
while (sim) {
while (~paused & currentMode) {
currentMode = simTick();
if (KEY_DOWN_NOW(BUTTON_SELECT)) {
currentMode = EDITMODE;
sim = 0;
while (KEY_DOWN_NOW(BUTTON_SELECT)) {
}
}
if (KEY_DOWN_NOW(BUTTON_A)) {
paused = 1;
while (KEY_DOWN_NOW(BUTTON_A)) {
}
}
}
//******************PAUSED****************
while (paused) {
// Button B is X
// This toggles next frame
if (KEY_DOWN_NOW(BUTTON_B)) {
simTick();
}
if (KEY_DOWN_NOW(BUTTON_SELECT)) {
currentMode = EDITMODE;
while (KEY_DOWN_NOW(BUTTON_SELECT)) {
}
sim = 0;
paused = 0;
}
if (KEY_DOWN_NOW(BUTTON_A)) {
paused = 0;
while (KEY_DOWN_NOW(BUTTON_A)) {
}
}
} // end of paused
} // end of sim
} // end of currentMode if
// ************EDIT MODE**************
if (~currentMode) {
copy();
drawCursor();
draw = cursorMoves();
if (KEY_DOWN_NOW(BUTTON_L)) {
fillScreen4(DEAD);
flipPage();
copy();
while (KEY_DOWN_NOW(BUTTON_L)) {
}
}
}
drawCursor();
if (draw) {
waitForVBlank();
flipPage();
draw = 0;
}
} // end of else
}
}
