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Altera_Forum's avatar
Altera_Forum
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12 years ago

Error 10327 confusion

Hello. I am trying to make a simple UP/DOWN counter and I am fairly new to VHDL. I keep getting the following error "Error (10327): VHDL error at Counter.vhd(51): can't determine definition of o...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

if(y < y'high) then

y < = y + 1;

end if;

else

if(y > y'low) then

y <= y - 1;

end if;

Are y'high and y'low constants? I don't rembember if you can use ' in a signal or constant name ( y'high and y'low ). Replace them by _.