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Update turbosound.

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sorgelig
2020-05-11 23:43:24 +08:00
parent 5a66d5ec1c
commit c08d8479be
51 changed files with 4523 additions and 3446 deletions
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15
rtl/sound/jt12/jt12_sh.v
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@ -20,11 +20,13 @@
`timescale 1ns / 1ps
// stages must be greater than 2
module jt12_sh #(parameter width=5, stages=24 )
(
input clk,
input [width-1:0] din,
output [width-1:0] drop
input clk,
input clk_en,
input [width-1:0] din,
output [width-1:0] drop
);
reg [stages-1:0] bits[width-1:0];
@ -32,11 +34,8 @@ reg [stages-1:0] bits[width-1:0];
genvar i;
generate
for (i=0; i < width; i=i+1) begin: bit_shifter
always @(posedge clk) begin
if( stages> 1 )
bits[i] <= {bits[i][stages-2:0], din[i]};
else
bits[i] <= din[i];
always @(posedge clk) if(clk_en) begin
bits[i] <= {bits[i][stages-2:0], din[i]};
end
assign drop[i] = bits[i][stages-1];
end