Eng:Detecting Turbo Mode

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Detecting Turbo Mode can be done with a simple script:

when green flag clicked
reset timer
repeat (10)
  switch to background [please wait v]
end
if <(timer) > [0.1]> then
  switch to background [please use turbo mode v]
  stop [all v]//or run some other code
end
switch to background [Turbo mode detected! v]

In turbo mode, the action of switching to the same background 10 times will take less than 0.1 seconds, but off it will take longer. If turbo mode is not on, the project will stop.

when gf clicked
set [Counter v] to (0)
reset timer
repeat until <(timer) > [1]>
  change [Counter v] by (1)
end
If <(Counter) > [100]> then
  switch to background [Turbo speed detected! v]
Else
  Switch to background [Normal speed v]
End

This script is a little different. Turbo speed will greatly speed up the repeat until C Block and the counter variable value will be very high.

Single Stepping

In Scratch 1.4, single stepping could be detected with the following script:

when green flag clicked
reset timer
switch to background [Please wait v] // This block is required!
if <(timer) > [0.1]> then
  switch to background [Single stepping detected v]
else
  switch to background [Single stepping off v]
end

The "switch to background" block can also be replaced with other blocks, such as "wait (0) seconds" if desired. Its purpose is to delay the script. If a script is single stepping, that block will take over 0.1 seconds to run, thus entering the "if" block.