I think you mean 30 moves per second, as Tetris (like most games) doesn't count two consecutive frames of "button pressed" as two button presses, but a press-an

I think you mean 30 moves per second, as Tetris (like most games) doesn't count two consecutive frames of "button pressed" as two button presses, but a press-and-hold. Still faster than the 10Hz of DAS, but by necessity a full, separate button press requires at least one frame of "button pressed" separated by one frame of "button not pressed".