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 Post subject: Screenshots resolution
PostPosted: Thu Mar 29, 2012 9:41 am 
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When screenshots are added to the archive, we try to keep them at their native resolution.

In order to handle the processing as quick as possible, if you want to upload a screenshot, please consider using the resolutions below (all are without borders) :)

  • Amiga: 640x400
  • Amstrad CPC: 320x200 / 640x400
  • Amstrad PCW: 720x512
  • Apple II: 280x192 / 560x384 (late Infocom games)
  • Archimedes: 640x200 / 640x256
  • Atari 400/800 series: 320x192
  • Atari ST: 640x400
  • BBC: 320x256
  • C64: 320x200
  • Coleco Adam: 256x192
  • Dragon: 256x192
  • MSX: 256 x 192
  • MSX2: Various heights, up to 512x (more info)
  • NewBrain: 640x460 [guess, based on emulator screencaps, doesn't scale well]
  • Oric: 240x200
  • SAM CoupĂ©: 256x192 except mode 3 (4 colour) at 512x384
  • Spectrum: 256x192
  • Thomson MO5: 320x200
  • TI-99/4A: 256 x 192
  • TRS-80: 384x192 (emulator might save it as 512x384)
  • TRS-80 CoCo: 256x192
  • VIC20: 352x184


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 Post subject: Re: Screenshots resolution
PostPosted: Thu Mar 29, 2012 7:26 pm 
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A few remarks:
Resolutions such as 640x200 will usually end up as a 640x400, since otherwise the aspect ratio will be wildly distorted.
This also applies to some extent to the 384x192 of the TRS-80. The emulator I use scales it to 512x384 for example.
Some Apple II games need to be captured in 560x384 (later Infocom releases).

Ti-99/4a resolution is 256x192 (same as MSX) without the borders.


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 Post subject: Re: Screenshots resolution
PostPosted: Thu Mar 29, 2012 7:54 pm 
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Excellent notes. I can't recall any CPC releases at the higher rez, but I guess some of the Infocom titles might use it.
Thanks for the comment on the TRS-80 - I never could figure out what resolution to use. I will update the list accordingly.


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 Post subject: Re: Screenshots resolution
PostPosted: Thu Mar 29, 2012 8:26 pm 
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Gunness wrote:
Excellent notes. I can't recall any CPC releases at the higher rez, but I guess some of the Infocom titles might use it.


Infocom+Magnetic Scrolls and I think Mindshadow.


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 Post subject: Re: Screenshots resolution
PostPosted: Fri Mar 30, 2012 10:15 am 
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Some GAC games (e.g. Zed) use the higher res of the CPC. I know of none that use the higher res modes of the BBC though (you only had 32K of memory and the smallest high res screen use 16K for screen memory).


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 Post subject: Re: Screenshots resolution
PostPosted: Fri Mar 30, 2012 12:05 pm 
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dave wrote:
I know of none that use the higher res modes of the BBC though (you only had 32K of memory and the smallest high res screen use 16K for screen memory).

That's plenty of space for two "escape from a locked room"-games in one load :D


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 Post subject: Re: Screenshots resolution
PostPosted: Wed Feb 21, 2018 9:22 pm 
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The MSX2 adds a few more screen resolutions to those available on the original MSX.

This MSX wiki gives the details, of particular note is that the width can be up to 512 pixels and the height can be up to 212.


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 Post subject: Re: Screenshots resolution
PostPosted: Sun Jun 24, 2018 3:51 pm 
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The Archimedes resolutions are wrong above. Like the BBC the humble arc has multiple screen modes, including those of the original BBC micro (640x256, 320x256, 160x256) and expanding all the way up to SVGA (800x600) and some weird ones like (1056x256)


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