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Amiga computer related discussion => Amiga Software Issues and Discussion => Topic started by: motorollin on April 27, 2007, 05:33:28 PM
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I'm having problems defining screenmodes in CGX4. If I take an existing high-res screenmodes, for example 1280x1024 which tests fine in 8 bit, and increase the colour depth to 24 bit, I get an error stating "Can't open test screen!". If I take an existing 24 bit screenmode, for example 800x573, which tests fine, and increase the resolution to 1280x1024, when I test it I either get the same error as before, or the test card comes up with the horizontal resolution changed to something smaller, or the monitor goes out of range (can't remember the exact circumstances under which each of these happened).
Can anyone give me some advice about the correct way to do this?
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moto
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Which graphics card do you use ? 1280x1024x24 needs almost 4MB of memory only for that screen. Other screens and off-screen bitmaps have to fit into gfx card memory, too. How much RAM does your gfx card have ?
Bye,
Thomas
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I'm using a CV64 which I believe only has 2MB of memory. That would explain it! Thanks Thomas.
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moto
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May I ask something here,
I have been trying to get 1600x1200x8 to run on my CV643D but I can not get more than 1600x1190 (i think) pixels. Not a big deal but it is slightly annoying.