Open framebuffer %/dev/fb0% mmap the open file Screen data is stored with every two pixels stored in one byte, in total 800 rows, with 300 bytes per row (600 pixels) (40 more) 66 55 55 65 66 54 45 68 CF FF (290 more) 77 77 66 78 77 65 65 55 7B FF (290 more) (858 more) 7B = 0111 1011 `--´ `--´ | `---- 2nd nibble: 11/15 `----------1st nibble: 7/15