Wow, takes me back to breaking dongle protected code. Just locate all the program points that called INT21: Exit to DOS services. Backtrack a bit and find the test for leave or stay. Patched to stay and try each one. Job done.
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History is much like an endless waltz: The three beats of war, peace and revolution continue on forever.
However history will change with my coronation - Mariemaia Khushrenada