12 is an emulator for the Atari 2600.
13 It exectues the romfile given as an argument,
14 and controls as if using a regular 4-direction 1-button joystick,
15 using \fBspace\fR button and directional keys.
16 The \fBq\fR, \fBw\fR, \fBe\fR, \fBr\fR keys correspond respectively to the reset, select, player 1 difficulty and color mode switches.
30 .B /sys/src/games/2600
35 first appeared in 9front (November, 2014).