check_o <= (dat_o[63:56]^dat_o[55:48]^dat_o[47:40]^dat_o[39:32]^dat_o[31:24]^dat_o[23:16]^dat_o[15:8]==dat_o[7:0]);
check_o <= ((dat_o[63:56]^dat_o[55:48]^dat_o[47:40]^dat_o[39:32]^dat_o[31:24]^dat_o[23:16]^dat_o[15:8])==dat_o[7:0]);
不试不知道,一试吓一跳
用户377235 2013-6-2 16:52
用户1321251 2012-3-15 12:00
用户306090 2012-3-14 16:10