subx/examples/ex2.subx


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## add 1 and 1, and return the result in the exit code
#
# To run (from the subx directory):
#   $ subx translate examples/ex2.subx -o examples/ex2
#   $ subx run examples/ex2
# Expected result:
#   $ echo $?
#   2

== code
# instruction                     effective address                                                   operand     displacement    immediate
# op          subop               mod             rm32          base        index         scale       r32
# 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes
  bb/copy-to-EBX  1/imm32
  43/inc-EBX
  # exit(EBX)
  b8/copy-to-EAX  1/imm32
  cd/syscall  0x80/imm8

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