1 # Draw a single line of ASCII text using the built-in font (GNU unifont) 2 # Also demonstrates bounds-checking _before_ drawing. 3 # 4 # To build a disk image: 5 # ./translate ex5.mu # emits disk.img 6 # To run: 7 # qemu-system-i386 disk.img 8 # Or: 9 # bochs -f bochsrc # bochsrc loads disk.img 10 # 11 # Expected output: text in green near the top-left corner of screen 12 13 fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) { 14 var dummy/eax: int <- draw-text-rightward screen, "hello from baremetal Mu!", 0x10/x, 0x400/xmax, 0x10/y, 0xa/fg, 0/bg 15 dummy <- draw-text-rightward screen, "you shouldn't see this", 0x10/x, 0xa0/xmax, 0x30/y, 3/fg, 0/bg # xmax is too narrow 16 }