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- Newsgroups: alt.sys.amiga.demos
- Path: sparky!uunet!lysator.liu.se!marvil
- From: marvil@lysator.liu.se (Martin Vilcans)
- Subject: Re: Phenomena egos??
- Message-ID: <1958@lysator.liu.se>
- Sender: news@lysator.liu.se
- Nntp-Posting-Host: robert.lysator.liu.se
- Organization: Lysator Academic Computer Society, Linkoping University, Sweden
- References: <1dg7r7INNjil@gap.caltech.edu> <1992Nov7.203516.9849@ringer.cs.utsa.edu> <1dhp99INNqn5@gap.caltech.edu> <1992Nov8.050234.20202@ringer.cs.utsa.edu> <1dj1sqINNetk@gap.caltech.edu> <1946@lysator.liu.se> <njale.30.721569997@dhhalden.no>
- Date: Fri, 13 Nov 1992 14:02:22 GMT
- Lines: 27
-
- njale@dhhalden.no (NJAL EIDE) writes:
-
- >By hardware-tricks most people mean calling/reffering to absolute adresses
- >in the rom. If the rom is changed or the locations of the rom-routines are
- >shuffled around, things will stop working. Therefore hardware-coding can
- >hardly be called legal.
-
- Calling absolute ROM addresses is NOT a hardware trick. It's just a dirty
- OS-trick, which I guess no-one does any more.
-
- >By the way, turning off the C64's border re-drawing, wich is a few bytes of
- >code, can hardly be called forcing the machine to do things it shouldn't.
-
- Yes, it can. It forces the computer to do something it isn't designed to do.
- There are no such hardware tricks on the Amiga. All features in demos rely
- on documented hardware. (Well, there exists one hardware trick for the
- Amiga; changing the IN/OUT bit of the keyboard serial port quickly makes the
- caps lock LED blink.)
-
- >Making the Amiga sound like it has more than four voices, or fast moving HAM-
- >games are much more of that theme.
-
- Nej nej nej! Creating more sound channels is a software trick. And is
- creating fast moving HAM-games forcing the computer to do something it
- shouldn't?
-
-
-