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<rgroup> ::=
| <rgroup> . <dot group>
| ! <rgroup>
| <number>
| <symbolic name>
| <symbolic name> [ ]
| <symbolic name> [ <range> ]
| <symbolic name> [ <range> ][ <range> ]
| VCC
| GND
| <rgroup> == <rgroup>
| <rgroup> >= <rgroup>
| <rgroup> > <rgroup>
| <rgroup> <= <rgroup>
| <rgroup> < <rgroup>
| <rgroup> != <rgroup>
| <rgroup> # <rgroup>
| <rgroup> !# <rgroup>
| <rgroup> & <rgroup>
| <rgroup> !& <rgroup>
| <rgroup> $ <rgroup>
| <rgroup> !$ <rgroup>
| <rgroup> + <rgroup>
| <rgroup> - <rgroup>
| - <rgroup>
| + <rgroup>
| <subdesign> ( <rgroup list> )
| <primitive> ( <rgroup list> )
| ( <rgroup list> )
You can name Boolean operators and comparators by prefixing them with a <symbolic name> followed by a colon (:). For example, tiger:& names the & operator as tiger. |
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- PLDWorld - |
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