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Author Topic: Pclock tricks, will it work?  (Read 1351 times)

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Nikoh

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Pclock tricks, will it work?
« on: February 15, 2021, 05:52:54 am »
Hi guys, i have a problem setting up a modeline... I'm using lrmc to generate my modelines; the problem is that when i try to "run" a low res like 320x240 (Modeline "416x288x50.08" 8.000000 416 432 472 512 288 293 296 312 -HSync -VSync or "384x288x50.08" 7.375000 384 392 424 472 288 293 296 312 -HSync -VSync) on my CRT PAL TV i have a black screen; but if i set horizontal res bigger like 640 or 720 (Modeline "720x288x50.08" 13.875000 720 744 808 888 288 293 296 312 -HSync -VSync) it work... it seems a pclock problem (too slow) for my video card (maybe for driver?), is it possible?
Since Blanking = Front Porch + Sync Width + Back Porch, i could increase Blanking and decrease h-disp to have same h-total but low xres right?
Someone tried it?
« Last Edit: February 15, 2021, 05:56:10 am by Nikoh »
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