BREAKING CHANGE! Сдвиг нумерации в лабах

Лабу по дейзи-цепочке необходимо вставить сразу после лабы по интеграции
контроллера прерываний, поэтому приходится увеличить нумерацию
оставшихся лаб.

Labs/13. Peripheral units/peripheral modules/PS2Receiver.sv

@@ -0,0 +1,100 @@
+module PS2Receiver(
+  input  logic        clk_i,
+  input  logic        rst_i,
+  input  logic        kclk_i,
+  input  logic        kdata_i,
+  output logic [7:0]  keycodeout_o,
+  output              keycode_valid_o
+  );
+
+  logic       flag;
+  logic [3:0] flag_shift;
+  logic       kclkf, kdataf;
+  logic [3:0] cnt;
+
+  assign keycode_valid_o = flag_shift[0] && !flag_shift[2];
+
+debouncer debounce(
+  .clk(clk_i),
+  .I0(kclk_i),
+  .I1(kdata_i),
+  .O0(kclkf),
+  .O1(kdataf)
+);
+always@(posedge clk_i) begin
+  if(rst_i) begin
+    flag_shift <= '0;
+  end
+  else begin
+    flag_shift <= {flag_shift[2:0], flag};
+  end
+end
+
+always_ff @(negedge kclkf or posedge rst_i)begin
+  if(rst_i) begin
+    cnt <= '0;
+  end
+  else if (cnt <= 9) begin
+    cnt <= cnt + 1;
+  end
+  else begin
+    cnt <= '0;
+  end
+end
+
+always_ff @(negedge kclkf or posedge rst_i) begin
+  if(rst_i) begin
+    keycodeout_o <= '0;
+  end
+  else begin
+    case(cnt)
+      1:keycodeout_o[0]<=kdataf;
+      2:keycodeout_o[1]<=kdataf;
+      3:keycodeout_o[2]<=kdataf;
+      4:keycodeout_o[3]<=kdataf;
+      5:keycodeout_o[4]<=kdataf;
+      6:keycodeout_o[5]<=kdataf;
+      7:keycodeout_o[6]<=kdataf;
+      8:keycodeout_o[7]<=kdataf;
+      default: keycodeout_o <= keycodeout_o;
+    endcase
+  end
+end
+
+assign flag = cnt == 9;
+
+endmodule
+
+
+module debouncer(
+  input  logic clk,
+  input  logic I0,
+  input  logic I1,
+  output logic O0,
+  output logic O1
+    );
+
+  logic [4:0]cnt0, cnt1;
+  logic Iv0=0,Iv1=0;
+  logic out0, out1;
+
+  always_ff @(posedge(clk))begin
+    if (I0==Iv0) begin
+      if (cnt0==19)O0<=I0;
+      else cnt0<=cnt0+1;
+    end
+    else begin
+      cnt0<=5'd0;
+      Iv0<=I0;
+    end
+    if (I1==Iv1)begin
+      if (cnt1==19)O1<=I1;
+      else cnt1<=cnt1+1;
+    end
+    else begin
+      cnt1<=5'd0;
+      Iv1<=I1;
+    end
+  end
+
+endmodule