A user going by the name “DerKoun” has submitted a post on the /r/emulation subreddit about a mod to popular cycle-accurate Super Nintendo emulator - BSNES - which makes it possible to increase the resolution of Mode 7 graphics by 4X. essentially turning classic SNES games into HD. Mode 7 is the Super Nintendo’s built-in hardware-accelerated mathematical functions which allows for efficient rotation and scaling of sprites on the screen.