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| From: Marko_Mäkelä
Date: 1998-09-17
Subject: Re: Snapshot files for emulators
|
On Thu, 17 Sep 1998, Rajnai Almos wrote:
> It sounds silly for me. Most of the emulators have totally different
> output. Can you emulate border under PC-DOS? I can on Amiga. I see no
> reason, why to store even this, user should wait a frame... (Is that
> so hard to do?)
That's why I said it could be an option. I was thinking of a program that rapidly changes the screen output, or displays something only for a frame or so. In such a case running the emulation for a frame first would not be desirable.
> Another wrong idea, I think. In my emulator ROM have patches, which
> work wrong on other emulators. There are no too much kind of ROM
> images, and those are almost the same, just minimal differences can
> be explored. (An other file-size rising feature?)
I forgot about the ROM patches. But on the C64 there are lots of different ROM versions. OK, maybe the ROM version could be replaced with some sort of signature or checksum, which would be calculated from the unpatched ROM. Also, a flag indicating whether the hardware is PAL or NTSC should be stored.
Also storing the ROM images could be made an user-selectable option. It could sometimes be useful.
Marko
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