On 2009-11-10, Marco Mariani <ma...@sferacarta.com> wrote: > Grant Edwards wrote: > >> MacOS applications made the same mistake on the 68K.
> And and awful lot of the Amiga software, with the same 24/32 > bit CPU. > > I did it too, every pointer came with 8 free bits so why not > use them? TANSTAFB ;) I should probably add that MacOS itself used the same trick until system 7. >> It wasn't the decades-long global debacle that was the MS-DOS >> memory model, but it did cause problems when CPUs came out that >> implemented those address lines and RAM became cheap enough >> that people needed to use them. > > I suppose that's the reason many games didn't work on the 68020+ Probably. IIRC, it took a while for some vendors to come out with "32-bit clean" versions of products. http://en.wikipedia.org/wiki/Mac_OS_memory_management#32-bit_clean -- Grant Edwards grante Yow! I know how to do at SPECIAL EFFECTS!! visi.com -- http://mail.python.org/mailman/listinfo/python-list
