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Post by tokra on Sept 28, 2023 10:46:12 GMT
Yeah, these cga2rgb-converters sometimes make matters worse. I have two which react completely differently. Reg 5 is always the one you should tweak one way or the other. Interlace on the VDC seems to be off standard sadly. Usually you would need a total uneven number of lines (i.e. 525 interlace-lines) so that the display-device / converter can recognize top and bottom-fields. However with colour interlace modes (like 8x2) this is just impossible. That's why the RGB2HDMI-device added a "force interlaced"-option, see here: github.com/hoglet67/RGBtoHDMI/issues/170 - discussion starting May 25th 2023.
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Post by tokra on Sept 28, 2023 13:48:37 GMT
My thinking is: Unless there is a very good reason your program should work on a 1901 and a 1084 as these are the original C128-monitors. It is the other display-devices that have to adapt.
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Post by z9leca on Sept 28, 2023 19:14:38 GMT
Ah, annoying that cga2rgb has quirks as well! I have yet to test how the RGB to RGBI resistor network-Scart works (I know - you don't get the correct brown color but that isn't a biggie in this case). I'll shall look into that as soon as time permits. And I will keep tweaking reg 5 some more for my other configurations to see if anything good comes out Anyway - it's obvious there's a lot a things that can go wrong from setup to setup. And I completely agree that the key thing is that it works with a 1084 and 1901. And preferably in at least one of the more largely used emulators. One wants to make something that can be used by as many as possible. And that has been achieved thanks to you! It remains to be seen if interlaced mode is going to be good enough for my project. Otherwise I'll revert to non-interlaced mode. Also, yeah - I need to get me one of those RBGtoHDMI:s. Thanks for contributing to it!
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