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Old 09 June 2014, 10:24   #4
Toni Wilen
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 43
Posts: 20,647
A1200 + cycle-exact is not that exact, some instructions are slightly too slow which can cause problems.

Note that CPU speed requirements can change greatly depending on config on cycle-exact mode, have you confirmed CPU% does not go over 100%?

It could be as simple as: the faster the emulated memory the faster CPU emulation needs to run = more host CPU power is needed.
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