decide.pat

i need of vhdl code for 32-bit risc processor

in s B;
in m B;
in c B;
in a (4 to 0) B;
in r (4 to 0) B;
in t (4 to 0) B;
out o (4 to 0) B;
out aex (2 to 0) B;

begin
p0 : 0 0 1 11111 00000 10101 ?00000 ?001;
p1 : 0 1 1 11111 00000 10101 ?00000 ?001;
p2 : 1 1 1 11111 00000 10101 ?11111 ?000;
p3 : 1 1 0 11111 00000 10101 ?10101 ?000;
end;