fwd3.pat

i need of vhdl code for 32-bit risc processor

in input ( 2 to 0) B;
out output (7 to 0) B;

begin
pat_0 :000 ?00000000;
pat_1 :010 ?00000010;
pat_2 :100 ?00000100;
pat_3 :111 ?00000111;

end;