https://bugs.winehq.org/show_bug.cgi?id=56371
--- Comment #5 from Andrew Nguyen arethusa26@gmail.com --- (In reply to Ken Sharp from comment #4)
The 32-bit version of WinUAE works correctly?
The JIT "serious error" assertion failure never appears on 32-bit WinUAE. It's specific to 64-bit WinUAE as it's not possible or sensible for VirtualAlloc to return a 64-bit pointer in a 32-bit process.