题解 | #移位运算与乘法#
移位运算与乘法
https://www.nowcoder.com/practice/1dd22852bcac42ce8f781737f84a3272
`timescale 1ns/1ns module multi_sel( input [7:0]d , input clk, input rst, output reg input_grant, output reg [10:0]out ); //*************code***********// integer i=1; reg [7:0]d1; always @(posedge clk or negedge rst) begin if(rst==0) begin out<=0;input_grant<=0;end else begin if(i==1) begin d1<=d;out<=d*i;i<=3;input_grant<=1; end else if(i==3)begin out<=d1*i;i<=7;input_grant<=0;end else if(i==7) begin out<=d1*i;i<=8;input_grant<=0; end else if(i==8) begin out<=d1*i;i<=1;input_grant<=0; end end end //*************code***********// endmodule
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