https://github.com/akkartik/mu/blob/main/ex4.mu

     1 # Draw a character using the built-in font (GNU unifont)
     2 #
     3 # To build a disk image:
     4 #   ./translate ex4.mu             # emits code.img
     5 # To run:
     6 #   qemu-system-i386 code.img
     7 # Or:
     8 #   bochs -f bochsrc               # bochsrc loads code.img
     9 #
    10 # Expected output: letter 'A' in green near the top-left corner of screen
    11
    12 fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) {
    13   draw-code-point screen, 0x41/A, 2/row, 1/col, 0xa/fg, 0/bg
    14 }