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Changing palette colours in UGL

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Changing palette colours in UGL
seph Offline
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#1
06-19-2003, 10:37 PM
I don't understand how to do this at all. I tried a few things and none worked. I need a good example on how to do it... But Blitz didn't write an example for it!! Sad
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toonski84 Offline
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#2
06-19-2003, 11:50 PM
Code:
OUT &H3C8, attribute
OUT &H3C9, red
OUT &H3C9, green
OUT &H3C9, blue

^ it doesnt *stop* working when you use ugl, does it?
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Antoni Gual Offline
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#3
06-20-2003, 12:49 AM
Remember only 8 bit modes use palettes!

I think some SVGA cards don't accept the OUT commands for changing palettes, you must call interrupt 10h to do it..
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Blitz Offline
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#4
06-20-2003, 02:51 AM
Actually it does stop working, some cards have 6 bit dac, others have 8 bit dac. You can't possibly know that. So you have to use ugls routines. It expects all the color components to be in the range 0-255. And it takes a far pointer to the palette. That's it.
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Glenn Offline
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#5
06-20-2003, 07:19 AM
make if they want to ask their DAC how many bits it supports. (I'm just not where I can look it up right now.)
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Blitz Offline
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#6
06-20-2003, 06:38 PM
It has in my opnion excellent routines for change the pal, we don't think letting them know such stuff is needed
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