The source code of VVVVVV is now public! https://github.com/TerryCavanagh/vvvvvv
The say(-1) method sucks, so there's no point in teaching it.
squeak(player)text(gray,0,0,1)This is text box one.backgroundtextspeak_activetext(gray,0,50,1)This is text box two!backgroundtextspeaktext(gray,0,100,1)They will appear all at once!speakendtext