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| + | |
| > | |
| , | |
| [ | |
| -------------------------------- | |
| is space? | |
| [ no | |
| - is exclamation mark? | |
| [ no | |
| +++++++++++++++++++++++++++++++++ restore original character | |
| print 'LETTER_' | |
| > | |
| ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
| . | |
| ------- | |
| . | |
| > | |
| ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
| . | |
| . | |
| < | |
| . | |
| > | |
| -- | |
| . | |
| +++++++++++++ | |
| . | |
| [-]<[-]< | |
| copy character to the next cell | |
| [->+>+<<]>>[-<<+>>]< | |
| x y t1 t2 r | |
| x = character | |
| >[-]++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
| y = 90 'Z' | |
| >[-] t1 = 0 | |
| >[-] t2 = 0 | |
| >[-]+ r = 1 | |
| <<< | |
| while y != 0 | |
| [ | |
| - decrement y | |
| < | |
| - decrement x | |
| >>[-] t1 = 0 | |
| >[-] t2 = 0 | |
| <<< | |
| **** t1 = x | |
| ==== first move x to t1 and t2 | |
| while x != 0 | |
| [ | |
| - | |
| >>+ inc t1 | |
| >+ inc t2 | |
| <<< | |
| ] | |
| >>> | |
| ==== next move t2 back to x | |
| while t2 != 0 | |
| [ | |
| - dec t2 | |
| <<<+>>> inc x | |
| ] | |
| **************************** | |
| + t2 = 1 | |
| < | |
| if t1 (x) != 0 | |
| [ | |
| >- t2 = 0 | |
| <[-] t1 = 0 | |
| ] | |
| > | |
| if t2 != 0 x lower or equal y | |
| [ | |
| >[-] r = 0 | |
| <<<[-] y = 0 | |
| >>[-] t2 = 0 | |
| ] | |
| << | |
| ] | |
| >>> | |
| if r != 0 then we have a lowercase letter | |
| [ | |
| <<<<< move back to the character | |
| -------------------------------- | |
| convert to upper case | |
| >>>>> | |
| [-] | |
| ] | |
| <<<<< | |
| . | |
| [>]>> | |
| ] | |
| < | |
| [ | |
| > | |
| +++++++++++++++++++++++++++++++++ | |
| ++++++++++++++++++++++++++++++++++++ | |
| . | |
| +++++++++++++++++++ | |
| . | |
| --------------------- | |
| . | |
| +++++++++ | |
| . | |
| ----------- | |
| . | |
| ++++++++++++ | |
| . | |
| ------------ | |
| . | |
| +++++++++++++++++++ | |
| . | |
| ----------- | |
| . | |
| ++++++ | |
| . | |
| - | |
| . | |
| +++++++++++++++++ | |
| . | |
| ------------------ | |
| . | |
| ------------ | |
| . | |
| +++++++++++++++++ | |
| . | |
| ------- | |
| . | |
| [>]>> | |
| ] | |
| ] | |
| < | |
| [ | |
| > | |
| +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
| . | |
| --- | |
| . | |
| --------------- | |
| . | |
| ++ | |
| . | |
| ++ | |
| . | |
| [>]>> | |
| ] | |
| > | |
| , | |
| [ | |
| < | |
| ++++++++++++++++++++++++++++++++ | |
| . | |
| +++++++++++ | |
| . | |
| ----------- | |
| . | |
| >> | |
| ] | |
| < | |
| ] |
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