12 is an emulator for the Sega Megadrive/Genesis.
13 It executes the romfile given as an argument.
14 The \fBz\fR, \fBx\fR, \fBc\fR, return and shift keys correspond to A, B, C, Start and Select, respectively.
26 Scale the screen by the given factor.
36 first appeared in 9front (May, 2014).