- set_cursor_visibility(false);
-
- unsigned char* fb = get_framebuffer();
- Rect scrn_sz = get_screen_size();
-
- for(int i=0; i<scrn_sz.height; i++) {
- for(int j=0; j<scrn_sz.width; j++) {
- unsigned char color0[3] = {255, 0, 0};
- unsigned char color1[3] = {0, 0, 255};
- unsigned char* color;
-
- //red blue chessboard 16 pxls size
- if(((j >> 4) & 1) == ((i >> 4) & 1)) {
- color = color0;
- }
- else {
- color = color1;
- }
-
- *fb++ = color[0];
- *fb++ = color[1];
- *fb++ = color[2];
- fb++;
- }