Xref: utzoo comp.sys.mac:32023 comp.sys.mac.programmer:6343 Path: utzoo!attcan!uunet!intercon!amanda@intercon.UUCP From: amanda@intercon.UUCP (Amanda Walker) Newsgroups: comp.sys.mac,comp.sys.mac.programmer Subject: Re: Re: System 7.0 Message-ID: <16-May-89.111408@192.41.214.2> Date: 16 May 89 15:04:48 GMT References: <9210@polya.Stanford.EDU> <3234@tank.uchicago.edu> Sender: news@intercon.UUCP Reply-To: amanda@intercon.UUCP (Amanda Walker) Organization: InterCon Systems Corporation, Sterling, VA Lines: 14 In article <9210@polya.Stanford.EDU>, shap@polya.Stanford.EDU (Jonathan S. Shapiro) writes: > The killer is tht the current ROM is not 32 bit clean. > In particular, the current ROM doesn't like to have the MMU turned on > in 32 bit mode, and the memory manager gets most unhappy. Actually, an awful lot of the II & IIx ROMs actually are 32-bit clean-- witness the A/UX toolbox. The biggest piece seems to be the memory manager, as I remember, but most of that can be handled by making master pointers 8 bytes (a second longword for the flags)... -- Amanda Walker InterCon Systems Corporation