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Altera_Forum
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18 years ago

I am getting compiling error when I use Shift Right logic in VHDL by Quartus 6.2

Hi I am getting compiling error "can not determine defination of operation" when I am using shift right or shift left logic command in VHDL by Quartus-II tools rev6.2. :confused: is an...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hello,

I normally use explicite bit assignments instead of shift operaters in VHDL, e. g. 

shiftreg <= '0' & shiftreg(shiftreg'left downto 1); -- right shift

Regards,

Frank