linux/ex1.subx


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# First program: same as https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html
# Just return 42.
#
# To run:
#   $ bootstrap/bootstrap translate apps/ex1.subx -o apps/ex1
#   $ bootstrap/bootstrap run ex1
# Expected result:
#   $ echo $?
#   42

== code

Entry:
# exit(42)
bb/copy-to-ebx  0x2a/imm32  # 42 in hex
e8/call  syscall_exit/disp32

# . . vim:nowrap:textwidth=0