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[palpandi.anna@gmail.com]

i wrote a code for hash program which shows internal error while synthesis. But simulation works well. Anyone please tell me the solution for correct it.

Is it a problem if i using multiple for loops(2 dimensional) inside always block?

Thanks in advance...... 

[austin]

p,

Without posting your code, or the error message, are we suppoosed to guess what you did wrong?

OK:  here goes.  You made a spelling error.

That wasn't it?

OK, we will try again:  you are writing HDL code, not c code.  Think hardware, not software.

[palpandi.anna@gmail.com]

sir,

  i have error like...

INTERNAL_ERROR:Xst:cmain.c:3464:1.56 - Process will terminate. For technical support on this issue, please open a WebCase with this project attached at http://www.xilinx.com/support.

and i have uploaded my code... please tell me the solution to solve it..

[austin]

p,

Well, googling on that error, I get about 608 results.  Most of them have to do with a bug in the code, so XST gives up, and exits.

The good news:  you probably have made a very basic error.

The bad news:  you have to go find it.