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+/*************************************************************************
+ *
+ *  This file is part of ACT dataflow neuro library
+ *
+ *  Copyright (c) 2022 University of Groningen - Ole Richter
+ *  Copyright (c) 2022 University of Groningen - Michele Mastella
+ *  Copyright (c) 2022 University of Groningen - Hugh Greatorex
+ *  Copyright (c) 2022 University of Groningen - Madison Cotteret
+ * 
+ *
+ *  This source describes Open Hardware and is licensed under the CERN-OHL-W v2 or later
+ *
+ *  You may redistribute and modify this documentation and make products
+ *  using it under the terms of the CERN-OHL-W v2 (https:/cern.ch/cern-ohl).
+ *  This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED
+ *  WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY
+ *  AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-W v2
+ *  for applicable conditions.
+ *
+ *  Source location: https://git.web.rug.nl/bics/actlib_dataflow_neuro
+ *
+ *  As per CERN-OHL-W v2 section 4.1, should You produce hardware based on
+ *  these sources, You must maintain the Source Location visible in its
+ *  documentation.
+ *
+ **************************************************************************
+ */
+* 
+
+import "../../dataflow_neuro/cell_lib_async.act";
+import "../../dataflow_neuro/cell_lib_std.act";
+import "../../dataflow_neuro/treegates.act";
+import "../../dataflow_neuro/primitives.act";
+import "../../dataflow_neuro/coders.act";
+// import tmpl::dataflow_neuro;
+// import tmpl::dataflow_neuro;
+import std::channel;
+open std::channel;
+
+namespace tmpl {
+    namespace dataflow_neuro {
+// Circuit for storing, reading and writing registers using AER
+// The block has the parameters:
+// log_nw -> log2(number of words), parameters you can store
+// wl -> word length, length of each word 
+// N_dly_cfg -> the number of config bits in the ACK delay line
+// The block has the pins:
+// in -> input data,
+//        - the first bit is write/read_B
+//        - the next log_nw bits describe the location, 
+//        - the last wl the word to write
+// data -> the data saved in the flip flop, sized wl x nw
+export template<pint log_nw,wl,N_dly_cfg>
+defproc register_rw (avMx1of2<1+log_nw+wl> in, d1of<wl> data[2<<log_nw] ){
+    bool _in_v_temp,_in_a_temp,_clock_temp,_clock;
+    //Validation of the input 
+    vtree val_input(.in = in,.out = _in_v_temp, .supply = supply);
+    sigbuf_1output<4> val_input_X(.in = _in_v_temp,.out = in.v,.supply = supply);
+    in.v = _in_v_temp;
+    // Generation of the clock pulse
+    delayprog<N_dly_cfg> dly(.in = _in_v_temp, .s = _clock_temp, .supply = supply);
+    sigbuf_1output<4> val_input_X(.in = _clock_temp,.out = _clock,.supply = supply);
+    // Sending back to the ackowledge
+    delayprog<N_dly_cfg> dly(.in = _clock, .s = _in_a_temp, .supply = supply);
+    sigbuf_1output<4> val_input_X(.in = _in_a_temp,.out = in.a,.supply = supply);
+    //Reset Buffers
+    bool _reset_BX,_reset_BXX[_nw*w];
+    BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
+    sigbuf<_nw*wl> reset_bufarray(.in=_reset_BX, .out=_reset_BXX,.vdd=supply.vdd,.vss=supply.vss);
+    // Creating the different flip flop arrays
+    bool _nw = 2<<log_nw;
+    bool _word_idx = 0;
+    bool _out_encoder[_nw],_clock_word_temp[_nw],_clock_word[_nw];
+    andtree<log_nw> atree[_nw];
+    AND2_X1 and_encoder[_nw]
+    sigbuf<wl> clock_buffer;
+    DFQ_R_X1 ff[_nw*wl];
+    (k:_nw:atree_x[k].supply = supply;)
+    (_word_idx:_nw:
+        // Decoding the bit pattern to understand which word we are looking at
+        (pin_idx:log_nw:
+            bitval = (_word_idx & ( 1 << pin_idx )) >> pin_idx; // Get binary digit of integer i, column j
+            [bitval = 1 -> 
+                atree[_word_idx].in[pin_idx] = in.d.d[pin_idx+1].t;
+            [] bitval = 0 ->
+                atree[_word_idx].in[pin_idx] = in.d.d[pin_idx+1].f;
+            []bitval >= 2 -> {false : "fuck"};
+            ]
+        )
+        // Activating the fake clock for the right word
+        atree_x[_word_idx].out = _out_encoder[_word_idx];    
+        and_encoder[_word_idx].a = _out_encoder[_word_idx];
+        and_encoder[_word_idx].b = _clock
+        and_encoder[_word_idx].y = _clock_word_temp[_word_idx];
+        and_encoder[_word_idx].vdd = supply.vdd;
+        and_encoder[_word_idx].vss = supply.vss;
+        clock_buffer[_word_idx].in = _clock_word_temp[_word_idx];
+        clock_buffer[_word_idx].out = _clock_word[_word_idx];
+        clock_buffer[_word_idx].vdd = supply.vdd;
+        clock_buffer[_word_idx].vss = supply.vss;
+        // Describing all the FF and their connection
+        (_bit_idx:wl:
+            ff[_bit_idx*(1+_word_idx)].clk = _clock_word[_word_idx];
+            ff[_bit_idx*(1+_word_idx)].d = in.d.d[_bit_idx+1+log_nw];
+            ff[_bit_idx*(1+_word_idx)].q = data[_word_idx].d[_bit_idx];
+            ff[_bit_idx*(1+_word_idx)].reset_B = reset_BXX[_bit_idx*(1+_word_idx)];
+            ff[_bit_idx*(1+_word_idx)].vdd = supply.vdd;
+            ff[_bit_idx*(1+_word_idx)].vss = supply.vss;
+        )
+    )
+}
+}}
+