home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.atari.st.tech
- Path: sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!hanauma.jpl.nasa.gov!hyc
- From: hyc@hanauma.jpl.nasa.gov (Howard Chu)
- Subject: Re: Sending objc_draw to a memory buffer rather than screen
- Message-ID: <1993Jan6.094252.14323@elroy.jpl.nasa.gov>
- Sender: news@elroy.jpl.nasa.gov (Usenet)
- Nntp-Posting-Host: hanauma.jpl.nasa.gov
- Organization: SAR Systems Development & Processing, JPL
- References: <3_800_842_fidonet2b3c3741@Kralizec.fido.zeta.org.au>
- Date: Wed, 6 Jan 1993 09:42:52 GMT
- Lines: 23
-
- In article <3_800_842_fidonet2b3c3741@Kralizec.fido.zeta.org.au> michael.smith@f842.n800.z3.fido.zeta.org.au (michael smith) writes:
- >Original to: bpat@cs.mcgill.ca
- >In a message of <10 Dec 92 12:16:14>, bpat@cs.mcgill.ca (3:713/602) writes:
- >
- > b> have the books with me right now. Also, could someone tell me if it's a
- > b> perfectly legal thing to do. It will work on any ST, and most probably
- >on
- > b> the STe, and MEGASTe. But does the TT still have this screen-switching
- > b> stuff available ? Will the Falcon have it?
- >
- >Yes and probably yes, however it's a _really_bad_ thing to do under MTos,
- >for obvious reasons - just imagine if there's a context switch while the
- >logical screen is pointing in the wrong direction...
- >
- >(unless this is one of the context items saved in the switch??)
-
- Yes, MiNT saves a private copy of the logical screen pointer for each
- process. This was already mentioned when this thread began a month or so
- ago...
- --
- -- Howard Chu @ Jet Propulsion Laboratory, Pasadena, CA
-
- There's a rough border between genius and insanity, but I'm a dual citizen.
-