Alright well...
NES
SNES
N64
Gamecube
Wii
Wii U
Gameboy
Gameboy Colour
Gameboy Advance
DS
3DS
PS1
PS2
PS3
PS4
PSP
PSV
Xbox
Xbox 360
Xbox One
Sega Master System
Sega Genesis
Sega Saturn
Sega Dreamcast
Sega Gamegear
Atari 2600
Intellivision
Coleco Gemini (not sure if clone console counts)