On 2009-11-10, at 22:07, Vincent Manis wrote: > On 2009-11-10, at 19:07, Steven D'Aprano wrote: >> In fact, in Inside Mac Vol II, Apple explicitly gives the format of >> pointers: the low-order three bytes are the address, the high-order byte >> is used for flags: bit 7 was the lock bit, bit 6 the purge bit and bit 5 >> the resource bit. The other five bits were unused.
I inadvertently must have deleted a paragraph in the response I just posted. Please add: The pointer format would have caused me to write macros or the like (that was still in the days when Apple liked Pascal) to hide the bit representation of pointers. -- v -- http://mail.python.org/mailman/listinfo/python-list