0: fork Reg1 = 4‘d2; Reg2 <= Reg1; i <= i + 1‘b1; join 0: fork Reg2 <= Reg1;Reg1 = 4‘d2; i <= i + 1‘b1; join 0: begin Reg1 = 4‘d2; Reg2 <= Reg1; i <= i + 1‘b1; end 0: begin Reg2 <= Reg1;Reg1 = 4‘d2; i <= i + 1‘b1; end
均是按顺序执行
原文：http://www.cnblogs.com/shaogang/p/4924814.html