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Forums > C64 Pixeling > mixing colors
2017-11-26 22:14
knue

Registered: Dec 2012
Posts: 34
mixing colors

Hi all,

I guess you guys all know the trick to mix colors by switching between two from frame to frame. So I played around with this trick a little bit and noticed that on my Samsung TV I only see some weird interlacing because of some stupid filter this TV seems to use. As long as stuff is moving, everything looks nice. But as soon as sth stays on one place this interlacing effect kicks in. I tried every option from my TV - without success. BTW you can see the same effect in many games when you are hit and the sprite blinks.

So, I guess my question is: Did anyone had any similar experience with your TVs? Did you find a solution? Also, for mixing colors, have you found that some combinations worked well on some TVs but not so well on others? Other best practices/recommendations for mixing colors?
2017-11-27 00:00
Groepaz

Registered: Dec 2001
Posts: 10417
what kind of TV is this? so called "100Hz" CRTs can do weird things like that. and of course all kinds of modern TFT based TVs that do various types of deinterlacing.
2017-11-27 06:01
Oswald

Registered: Apr 2002
Posts: 4786
smells like led tv and filtering algo.
2017-11-27 06:32
Mr. SID

Registered: Jan 2003
Posts: 404
If it‘s a modern TV, you probably want it set to „Game“ mode.
2017-11-27 10:16
knue

Registered: Dec 2012
Posts: 34
Yes, it's a modern TFT. Unfortunately, "Game Mode" doesn't help.
2020-10-10 13:05
Slajerek

Registered: May 2015
Posts: 58
Your TV is wrongly interpreting 240p signal as 480i, which is quite common for recent TVs. You need some hardware upscaler like RetroTink-2x that can properly interpret 240p signal to do the job correctly.
2020-10-10 15:43
hedning

Registered: Mar 2009
Posts: 3927
Quote: Your TV is wrongly interpreting 240p signal as 480i, which is quite common for recent TVs. You need some hardware upscaler like RetroTink-2x that can properly interpret 240p signal to do the job correctly.

RetroTink is great. I also use Framemeister, but it has become ridiculously expensive.
2020-10-10 20:03
wil

Registered: Jan 2019
Posts: 39
I also experimented with color mixing by switching them between two frames and have evaluated the result with mutliple users on modern TVs. We did not experience the interlacing effect the OP describes, but for larger areas it was always possible to notify the flickering, even for colors with same luminance. In my opinion, the old CRT TVs with a longer afterglow were better apt to cover this effect than modern TVs, thus kinda limiting the use of this effect today to smaller/moving elements.
2020-10-10 20:13
Raistlin

Registered: Mar 2007
Posts: 401
RetroTink is great, highly recommended.
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