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Altera_Forum's avatar
Altera_Forum
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13 years ago

Addition of a vector with a integer in vhdl code

There is a vector A(7 down to 0).Now we have to add this vector with an integer(let it be 5).B(7 down to 0) is output.Then how to write the vhdl code.
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

The main problem is that you have included std_logic_arith AND numeric_std. They conflict with each other, so you need to remove std_logic_arith (its not standard VHDL. Neither is std_logic_unsigned, but Ill let you keep that)

the answer would then be:

opixel(23 downto 16) <= std_logic_vector( unsigned( ipixel(23 downto 16) ) + 9 );