Robotron 64 (E) [!]
Robotron 64 (E) [h1C]
Robotron 64 (U) [!]
Robotron 64 (U) [b1]
Robotron 64 (U) [b2]
Robotron 64 (U) [b3]
Robotron 64 (U) [b4]
Robotron 64 (U) [f1] (PAL)
Robotron 64 (U) [o1]
Robotron 64 (U) [t1]