“Wish I Have An Commodore…” (or Speccy, CPC, etc) But if you have Raspberry Pi, you can easy emulate all of them. Here is a list of RPi vintage emulators:

C64:

• CommodorePi

ZX Spectrum:

• Unreal Speccy Portable
• FUZE

CPC:

• CPC4RPi

DOS:

• RPix86

Playstation 1:

• PCSX_reARMed

Atari 800 (600 / 400 / 130):

• Atari 800

Atari 2600:

• How to set up your Raspberry Pi to play Atari 2600 games

And finally: all-in-one Retro Console HowTo