>I guess it would be possible to implement as a shared read-only page mapped into each process in a protected environment, but not sure about how the details wo

>I guess it would be possible to implement as a shared read-only page mapped into each process in a protected environment, but not sure about how the details would look. The main issue is the passing of pointers to physical memory through exec messages. Of course, with a flag day and some virtualization to make up for it, it would have been possible to run old software on new hardware and a protected AmigaOS.