https://github.com/akkartik/mu/blob/main/linux/apps/ex1.subx

     1 # First example: return the answer to the Ultimate Question of Life, the
     2 # Universe, and Everything.
     3 #
     4 # Same as https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html
     5 #
     6 # To run:
     7 #   $ bootstrap/bootstrap translate apps/ex1.subx -o ex1
     8 #   $ bootstrap/bootstrap run ex1
     9 # Expected result:
    10 #   $ echo $?
    11 #   42
    12
    13 == code
    14
    15 Entry:
    16 # exit(42)
    17 bb/copy-to-ebx  0x2a/imm32  # 42 in hex
    18 e8/call  syscall_exit/disp32
    19
    20 # . . vim:nowrap:textwidth=0