You can use this video to compare the results from the ROM (don't try the brazilian one, where the sound is totally muffled)
https://www.youtube.com/watch?v=yoZv0FdZlWsFor example, the sound at 1:02 was not yet reproduced in any emulator... in O2EM 1.20 it sounds different when Popeye hits Brutus.
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And the v1.01 (October/2002) version has a curious bug for this game: when Popeye walks near Brutus, he doesn't die. Brutus is not throwing anything and Popeye can only lose by not picking the hearts.