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Altera_Forum
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13 years ago

Subtraction with numeric_Std doesn't work

Hello What am i doing in wrong in the code below. subtraction doesn't work! I am using numeric_std and the numbers are in twos complement format. // mattgust library ieee; use ieee....
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

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Your "overflow" detector appears to be detecting overflow and underflow, so calling the output "overflow" is a bit of a misconception. It should probably just be renamed error detect.

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If you say so, it sounds reasonable.