Simple colour changing program.
I was wondering if anyone knew of a simple program that would change say the colour of the screen instantly when pressing a button.
I want to time for input lag on an rgb to hdmi scaler I have.
I remember the 8 bit guy doing something similar on a c64 (I think he was testing the c64 mini against original) and wrote a small program to change colour.
Is there anything out there like this.
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