Found it on a old portable emulator I found at my bedroom. I can’t really grasp its purpose and can’t find anything about it.
I don’t actually know, but if I were to guess, someone trying to use a Dendy or something as a cheap alternative to a test pattern generator?
searches
https://pdroms.de/files/nintendo-nintendoentertainmentsystem-nes-famicom-fc/gits-2
GITS2 is a program for adjustment of colour TV sets of system PAL through the game console DENDY (Russian NES). GITS2 is the second (improved) version of the program GITS, which was published in a Russian magazine RADIO number 8 for 2001.
The codes of the ROM (2 Kbyte), videoROM (2 Kbyte) and electrical circuit of the cartridge GITS2 are published in Russian magazine RADIO number 10 for 2002 (www.radio.ru and ftp://ftp.radio.ru/pub/2002/10/gits2/gits2.zip).
