A redstone master has constructed a functional Atari 2600 emulator in Minecraft

[Windows Central]

Ex-Microsoft engineer SethBling has created an Atari 2600 emulator using nothing but Minecraft.
Redstone wizard SethBling has created an Atari 2600 emulator in vanilla Minecraft, recreating game cartridges and Atari hardware using dirt blocks.

While the emulator is impossibly slow, SethBling's video details how the 1977 game console can be faithfully recreated by using Minecraft's features and some scripting wizardry.

Full story from the WindowsCentral blog...