Be No Sqr is a Demo for Sega Master System by psidum, Sim and Slimeball.

This demo uses tricks not well implemented by emulators. Best viewed on real hardware with CRT. For best emulation results highly recommend using Emulicious, which is very close to hardware.

http://www.smspower.org/forums/15978-CodingCompetition2016BeNoSqrByPsidumSimSlimeball