#
# About
#
#  This program decrements an integer.
#
# Usage:
#
#  $ go.vm run ./dec.in
#
# Or compile, then execute:
#
#  $ go.vm compile ./dec.in
#  $ go.vm execute ./dec.raw
#

        store #1, 3
        store #0, "Stored in register #1 -> 3\n"
        print_str #0


        dec #1
        store #0, "Decremented contents of register #1 -> 2\n"
        print_str #0
        jmpz empty

        dec #1
        store #0, "Decremented contents of register #1 -> 1\n"
        print_str #0
        jmpz empty

        dec #1
        store #0, "Decremented contents of register #1 -> 0\n"
        print_str #0
        jmpz empty

        dec #1
        store #0, "Decremented contents of register #1 -> -1 [not reached]\n"
        print_str #0
        jmpz empty

:empty
        exit