mu/linux/apps/ex1.subx

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2021-07-16 15:09:42 +00:00
# First example: return the answer to the Ultimate Question of Life, the
# Universe, and Everything.
#
# Same as https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html
#
# To run:
# $ ./translate_subx 000init.subx apps/ex1.subx
# $ ./a.elf
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# 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