Difference between revisions of "Logic"

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===Logic:===
 
===Logic:===
Logic operators compare 2 variables (normally boolean) and return a boolean.
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Logic operators compare two variables on the stack and replace them with a 0 or a 1 on the stack depending on what operator was used and how many of the variables have ben 0.
  
===Energy Cost:==
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All (but [[not]]) return a 1 if at least one of both variables on the stack was not 0.
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The choosen logic operator mostly exists for situations if both variables are 0 or both are not 0 or if only one of them is 0.
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{{Is that true?}}
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===Energy Cost:===
 
Since version: 2.4 you can set an Energy cotst per bitwise command instance. default is 0.
 
Since version: 2.4 you can set an Energy cotst per bitwise command instance. default is 0.

Revision as of 21:19, 23 December 2005

Logic:

true
false
and
or
not
xor

Logic:

Logic operators compare two variables on the stack and replace them with a 0 or a 1 on the stack depending on what operator was used and how many of the variables have ben 0.

All (but not) return a 1 if at least one of both variables on the stack was not 0. The choosen logic operator mostly exists for situations if both variables are 0 or both are not 0 or if only one of them is 0.

Energy Cost:

Since version: 2.4 you can set an Energy cotst per bitwise command instance. default is 0.