Use the Run/Debug command to control screen activity during execution. Animate Speed sets the speed at which QuickPascal traces and swaps the screen when you are using the Animate command in the Run menu. Screen Swap controls when QuickPascal swaps from the environment to the output screen as your program runs. ■ Auto Swaps screens for both input and output ■ On Swaps on every executable statement and should be used with programs calling mouse or BIOS video services ■ Off Turns off screen swapping