# Draw a single line of ASCII text using the built-in font (GNU unifont) # Also demonstrates bounds-checking _before_ drawing. # # To build a disk image: # ./translate_mu_baremetal baremetal/ex5.mu # emits disk.img # To run: # qemu-system-i386 disk.img # Or: # bochs -f baremetal/boot.bochsrc # boot.bochsrc loads disk.img # # Expected output: text in green near the top-left corner of screen fn main { var dummy/eax: int <- draw-text-rightward 0, "hello from baremetal Mu!", 0x10, 0x400, 0x10, 0xa # xmax = end of screen, plenty of space dummy <- draw-text-rightward 0, "you shouldn't see this", 0x10, 0xa0, 0x30, 0x3 # xmax = 0xa0, which is too narrow }