https://bugs.winehq.org/show_bug.cgi?id=55026
--- Comment #15 from Fabian Maurer dark.shadow4@web.de ---
I don't follow, sorry. My manual method resulted in an overflow due to multiplication in 32bit mode, now you say it's a 64bit variable. I'm confused.
I rewrote the code to use 64bit integers, so no more overflows during multiplication.