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Post by mirkosoft on Sept 2, 2019 14:17:29 GMT
So, my answer is very poor. 80x50 mode was created from 640x400 graphic mode of VDC Mania - it corrected Torsten. So, my knowledge is low. For 100x50 mode I adjusted values only. And have news: I got it partially display by my Amberry CGA to VGA converter. It displays not whole height, but I found new mysterious result - attributes looking like working in 100x50 mode.
Miro
Look at screenshots from converter below:
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Post by mirkosoft on Sept 2, 2019 13:16:33 GMT
It will never work on TV - this is sure 'cause VSync.
Miro
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Post by mirkosoft on Sept 1, 2019 16:18:34 GMT
Ok, what a monitor you used? I'm using C1084 and Torsten adjusted VSync on C1901. If you used any converter, don't know - but I used also RGBI2S-Video and there's same flickering. If you don't believe that it can work - try it at least in Z64K.
Miro
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Post by mirkosoft on Aug 31, 2019 22:30:59 GMT
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Post by mirkosoft on Aug 31, 2019 12:43:27 GMT
Yet is it possible to display it correctly in Z64K (Z64K problem emulates not, even emulates incorrectly 100x50 with attributes) - no flickering. Two modes - 80x50 and 100x50. Also on C1901 monitor without flickering by adjusting VSync, but C1084 and others have not available VSync correction, to it flickers - but not characters, flickers whole screen. It needs to adjust VSync to lower value, so also it will be not 50 lines, it needs less lines, but I want to use as many as possible. But without Editor for 100x50 it is for direct mode useless and 80x50 allows use only 25 lines even when is 50 displayed - it is possible use whole screen in both modes only by direct write to VDC-RAM.
Miro
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Post by mirkosoft on Aug 31, 2019 9:14:08 GMT
I used 50 lines non-interlaced with help of Torsten Kracke (aka tokra) but yet it flickers for VSync, so it needs adjusting. This is reason why I mentioned not height.
Miro
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Post by mirkosoft on Aug 31, 2019 1:06:18 GMT
I know that smaller area can use WINDOW command, but I used 100 characters wide mode. I try to find it, maybe it will be possible.
Miro
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Post by mirkosoft on Aug 30, 2019 1:55:29 GMT
Hi!
I used own VDC modes and it needs to customize C128 Editor default 80x25 dimensions. I found not any note where can be Editor code in ROM stored. I don't want to write own Editor - need not to reinvent the wheel. Better is also first to see how it is created and then apply own changes.
Thank you for your support. Miro
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Post by mirkosoft on Aug 20, 2019 15:39:03 GMT
Yes, Torsten. But experiments are welcome - even you - in my eyes best VDC graphician - did lot of work with crazy modes... In old thread about VDC overload were tests of 128x25 text mode - it can be nice to get it work with scandoubler... :)
Miro
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Post by mirkosoft on Aug 20, 2019 9:51:29 GMT
If is possible to use crazy modes, then option 2 is the best.
Miro
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