Resource centre for ZX Spectrum games
using Manic Miner and Jet Set Willy game engines
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Message: 4784
Author: john_elliott_uk
Date: 01/05/2005
Subject: Re: File formats and other matters
--- In manicminerandjetsetwilly@yahoogroups.com, "Daniel"
> If I save a game as a .sna file or a .z80 file from JSWED, are these
All JSWED does is set up the Z80 so that the game will start running
> not perfect snapshots? Okay, they don't make you press a key to
> run the game, but I imagine they should have all of the temporary
> variables corresponding to the moment you start the game, isn't
> that right?
as if it's just been launched from BASIC. The game itself is then
responsible for setting up all its temporary variables.
> - I take a .sna or a .z80 snapshot of a JSW game in progress and
Depends what 'perfect' means :-)
> load it into JSWED. Then I save it as a .tap file. Have I got a
> "perfect" .tap file of the game?
> Phil, in what way "a nice little tap of your own" would have been
Not that I'm Phil, but I think the only difference is that JSWED
> different from the .tap file you produced with JSWED?
doesn't let you have a loading screen.
> - John Elliott wrote:
Yes. I prefer not to distribute original Software Projects code from
>
> "Note that the downloadable zipfile on this page (which contains
> JSW64 and JSW64:MM) isn't a simple zip of tape files."
> why did you choose to do it this way, John? Was it because of
> intellectual property rights and things like that?
my web page if I can possibly avoid it. Up to now the copyright
holders have been quite relaxed about our activities, but just in case
this happy state of affairs doesn't continue I'd like to have a way of
distributing JSW64.
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