The 4021 shift register is a parallel to serial IC. The AVR has a shift register internally. If I recall correctly, the NES isn’t going to poll the 4021 any faster than every 60Hz or so….

The hack features a lot of new mechanics and QoL features into the original Super Mario Bros. 3 for the NES. One of the most impressive technical feats that this hack offers is the ability to ...

Way back in 1993, Super Mario All-Stars released for the Super Nintendo, featuring re-made versions of Super Mario Bros., Super Mario Bros. 2, Super Mario Bros. 3, and Super Mario Bros: The Lost ...

Super Mario Maker 2 gets SMB3 slot machine. Super Mario Bros. 3 originally released on the Nintendo Entertainment System back in 1988 in Japan and two years later in 1990 in North America.

Super Mario Bros. 3 made it all the way to number 1 on IGN's Top 100 NES games of all time. Check out who made it to number 1!

Welcome to the Super Mario Advance 4: Super Mario Bros. 3 wiki guide. Welcome to the rebirth of a game hailed as the crowning achievement of the NES.

Somewhat randomly, alongside today's expected addition of 3 SNES games, we now have a Super Mario Bros. 3 SP version (hat-tip to Mario_maniac for the heads up).

Kuribo's Shoe is a perfect example of how crazy Super Mario Bros. 3 can get. For the most part, the graphics and audio match what you'd see if you hooked an old NES up to another TV then compared ...

New Super Mario Bros. U Deluxe, on the other hand, very much follows in the vein of Super Mario Bros. 3 and Super Mario World, so the lack of buttons isn't an impediment here.As GameXplain notes ...

A rare copy of Super Mario Bros. 3 for NES is the new king of video game auctions, selling last Friday for an incredible $156,000. While a lot of that price is wrapped up in the sealed game’s ...