immextendres.pat

来自「i need of vhdl code for 32-bit risc proc」· PAT 代码 · 共 35 行

-- description generated by Pat driver v107
--			date : Thu Nov 29 19:56:10 2001


--		sequence : immextend

-- input / output list :
in       bitv1 B;
in       bitv2 B;
in       bitv3 B;
out      outvector (7 downto 0) B;

begin

-- Pattern description :

--                                 bbb o        
--                                 iii u        
--                                 ttt t        
--                                 vvv v        
--                                 123 e        
--                                     c        
--                                     t        
--                                     o        
--                                     r        

pat_0                            : 000?00000000;
pat_1                            : 010?00000010;
pat_2                            : 100?00000100;
pat_3                            : 111?00000111;
pat_4                            : 011?00000011;

end;