https://github.com/akkartik/mu/blob/master/subx/examples/ex1.subx

     1 # First program: same as https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html
     2 # Just return 42.
     3 #
     4 # To run (from the subx directory):
     5 #   $ ./subx translate examples/ex1.2.subx -o examples/ex1
     6 #   $ ./subx run examples/ex1
     7 # Expected result:
     8 #   $ echo $?
     9 #   42
    10
    11 == code
    12
    13 # syscall(exit, 42)
    14 bb/copy-to-EBX  2a/imm32  # 42 in hex
    15 b8/copy-to-EAX  1/imm32/exit
    16 cd/syscall  0x80/imm8
    17
    18 # . . vim:nowrap:textwidth=0