It should but to be sure I would suggest you trace the connection on the standard Atari to see if they go to the same points or similar points on the board to the portable. There shouldn't be much difference between a standard 2600 and a portable, all the important stuff is on the 4x4 square in the middle which is what the portable uses.
vskid wrote:Nerd = likes school, does all their homework, dies if they don't get 100% on every assignment
Geek = likes technology, dies if the power goes out and his UPS dies too