add solutions

zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorshiftregister_entity.vhg

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+-- VHDL Entity SplineInterpolator.interpolatorShiftRegister.symbol
+--
+-- Created:
+--          by - francois.francois (Aphelia)
+--          at - 13:00:24 02/19/19
+--
+-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
+--
+LIBRARY ieee;
+  USE ieee.std_logic_1164.all;
+  USE ieee.numeric_std.all;
+
+ENTITY interpolatorShiftRegister IS
+    GENERIC( 
+        signalBitNb : positive := 16
+    );
+    PORT( 
+        clock        : IN     std_ulogic;
+        reset        : IN     std_ulogic;
+        shiftSamples : IN     std_ulogic;
+        sampleIn     : IN     signed (signalBitNb-1 DOWNTO 0);
+        sample1      : OUT    signed (signalBitNb-1 DOWNTO 0);
+        sample2      : OUT    signed (signalBitNb-1 DOWNTO 0);
+        sample3      : OUT    signed (signalBitNb-1 DOWNTO 0);
+        sample4      : OUT    signed (signalBitNb-1 DOWNTO 0)
+    );
+
+-- Declarations
+
+END interpolatorShiftRegister ;
+