The instruction is smaller than "mov eax, 0" (because it includes the 32-bit zero) and the result is the same. Notice that smaller may mean more instructions in cache for a tight loop, so it may also result in better performace, too.
They say the same company worked in a Z80 version but I haven't been able to find any info onbthat, does anybody know? Especially anything related to a modern version of the old Amstrads.
Very nice exercise and definitely easier to understand than tackling the DRM itself. For those interested, that's what DeDRM does: https://github.com/nodrm/DeDRM_tools
Thank you for your work! I'm currently migrating away from Invoiceninja and I'm considering other options, so I'll definitely try it. Being already packaged in Docker makes it very convenient, too ;-)
Moreover, why isn't there a federated LinkedIn clone??? Or is there and I haven't found it yet?