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Altera_Forum's avatar
Altera_Forum
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11 years ago

use an entity in process

I write four VHDL file 1) 1 bit full adder 2) 8 bit full adder 3) 1 bit flip flop 4) accumulator 1 and 2 and 3 is correct and I tested those , but I have a really big problem in accu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

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Your post doesnt make a lot of sense.

Have you got a testbench? can you debug this yourself?

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above code compile correctly , But when I simulate it functionality , it's diagram have a little bit wrong!

I review code many time but I did not find where I do mistake .

I take this picture from accumulator wave form :

http://s6.picofile.com/file/8200419576/pic5.png

It is right 60% but I don't know where I do mistake because I'm very very beginner.