# 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 apps/ex5.mu # emits code.img # To run: # qemu-system-i386 code.img # # Expected output: text in green near the top-left corner of screen fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) { var dummy/eax: int <- draw-text-rightward screen, "hello from baremetal Mu!", 0x10/x, 0x400/xmax, 0x10/y, 0xa/fg, 0/bg dummy <- draw-text-rightward screen, "you shouldn't see this", 0x10/x, 0xa0/xmax, 0x30/y, 3/fg, 0/bg # xmax is too narrow }