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 0x09000000 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