sub8.pat

i need of vhdl code for 32-bit risc processor

in sn1 ( 7 to 0 ) B;
in sn2 ( 7 to 0 ) B;
out sout ( 7 to 0 ) B;

begin
pat0_sub : 11111111 00000000 ?11111111 ;
pat1_sub : 01001001 00010010 ?00110111 ;
pat2_sub : 11111111 10101010 ?01010101 ;
pat3_sub : 10101010 11111111 ?10101011 ;
pat4_sub : 00000010 00000100 ?11111110 ;
end;