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Altera_Forum's avatar
Altera_Forum
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10 years ago

Comparison between old value and new value

Hi All, Its a very simple question but I am unable to do that. Below is my code. I want to store signal data_o_new to signal data_o_old and then compare these signals with each other and do inc...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

hm... have you seen generated RTL? it seems you need one or two more registers. does new value arrive every clock-cycle ?

is it just wire in synthesis 
data_o_old <= data_o_new;
data_o <= data_o_old;