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Conditional Operators
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- The conditional operator has the following C-like format:
- cond_expr ? true_expr : false_expr
- The true_expr or the false_expr is evaluated and used as a result depending on what cond_expr evaluates to (true or false).
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Example : Conditional Operators
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1 program conditional {
2 bit out;
3 reg enable,data ;
4
5 enable = 0;
6 data = 1;
7 out = (enable) ? data : 1'bz;
8 printf(" Enable %b Data %b Out %b\n",enable,data,out);
9
10 enable = 1;
11 out = (enable) ? data : 1'bz;
12 printf(" Enable %b Data %b Out %b\n",enable,data,out);
13 }
You could download file conditional.vr here
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Simulation : Conditional Operators
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Enable 0 Data 1 Out z
Enable 1 Data 1 Out 1
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Copyright © 1998-2014 |
Deepak Kumar Tala - All rights reserved |
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Do you have any Comment? mail me at:deepak@asic-world.com
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