devkitPro

Code: Select all

int main() {
    videoSetMode(MODE_FB0);
    vramSetBankA(VRAM_A_LCD);
    lcdMainOnTop();
    
    drawHorizontalLine(VRAM_A, 30, 30, 50, RGB15(31, 31, 31));
    drawVerticalLine(VRAM_A, 30, 30, 50, rand());
    
    drawRect(VRAM_A, 0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1, rand());
    
    while(1) {
        swiWaitForVBlank();
    }
    
    return 0;
}

Code: Select all

int main(void) {
	PrintConsole console;
	touchPosition touch;
	int bgOffset;
	u16 *gfxBG;
	
	videoSetMode(0); // Disable main screen
	videoSetModeSub(MODE_3_2D);
	
	console = *consoleInit(0, 1, BgType_Text4bpp, BgSize_T_256x256, 0, 1, false, true);
	
	bgOffset = 2; // Why this ?
	
	bgInitSub(BG_PRIORITY_3, BgType_Bmp16, BgSize_B16_256x256, bgOffset, 0 );
	gfxBG = BG_GFX_SUB + ((bgOffset * 16384) >> 1);
	
	iprintf("Console works fine");
	
	while(1) {
		scanKeys();
		
		if(keysHeld() & KEY_TOUCH) {
			touchRead(&touch);
			
			// If I don't shift left RGB15, it will not display at all
			// where on the previous program it worked nicely. Did I miss something ?
			gfxBG[touch.py * SCREEN_WIDTH + touch.px] = RGB15(31, 31, 31) << 1;
		}
		
		swiWaitForVBlank();
	}
}