From 55ed8bb83965b2acc5decdbc4c4fa777718641e3 Mon Sep 17 00:00:00 2001
From: alexmadison <git@mdsn.co.uk>
Date: Mon, 4 Apr 2022 15:37:31 +0200
Subject: [PATCH] added buffered dr decoder

---
 dataflow_neuro/coders.act | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/dataflow_neuro/coders.act b/dataflow_neuro/coders.act
index 697e2e6..f09fca6 100644
--- a/dataflow_neuro/coders.act
+++ b/dataflow_neuro/coders.act
@@ -48,11 +48,11 @@ open std::data;
 namespace tmpl {
 	namespace dataflow_neuro {
 
-		/**
-		 * Dualrail decoder.
-		 * Nc is the number of dualrail input channels.
-		 * Then builds N output AND gates, connecting to the right input wires.
-		 */
+/**
+ * Dualrail decoder.
+ * Nc is the number of dualrail input channels.
+ * Then builds N output AND gates, connecting to the right input wires.
+ */
 export template<pint Nc, N>
 defproc decoder_dualrail (Mx1of2<Nc> in; bool? out[N]; power supply) {
 	// signal buffers
@@ -86,6 +86,23 @@ defproc decoder_dualrail (Mx1of2<Nc> in; bool? out[N]; power supply) {
 		)
 }
 
+/**
+ * Dualrail decoder with buffered outputs.
+ * Be careful of out[] indexing.
+ */
+export template<pint Nc, N, OUT_STRENGTH>
+defproc decoder_dualrailX(Mx1of2<Nc> in; bool? out[N*OUT_STRENGTH]; power supply) {
+	decoder_dualrail<Nc, N> decoder(.in = in, .supply = supply);
+	sigbuf<OUT_STRENGTH> sb[N];
+	(i:N:
+		sb[i].in = decoder.out[i];
+		sb[i].supply = supply;
+		(j:OUT_STRENGTH:
+			sb[i].out[j] = out[j + i*OUT_STRENGTH];
+		)
+	)
+}
+
 
 /**
  * 2D decoder which uses a configurable delay from the VCtrees to buffer ack.