Index: binaries/data/mods/public/gui/credits/texts/programming.json
===================================================================
--- binaries/data/mods/public/gui/credits/texts/programming.json
+++ binaries/data/mods/public/gui/credits/texts/programming.json
@@ -207,6 +207,7 @@
 				{ "nick": "Raj", "name": "Raj Sharma" },
 				{ "nick": "ramtzok1", "name": "Ram" },
 				{ "nick": "rapidelectron", "name": "Christian Weihsbach" },
+				{ "nick": "r-a-sattarov", "name": "Ramil Sattarov" },
 				{ "nick": "RedFox", "name": "Jorma Rebane" },
 				{ "nick": "RefinedCode" },
 				{ "nick": "Riemer" },
Index: build/premake/premake5.lua
===================================================================
--- build/premake/premake5.lua
+++ build/premake/premake5.lua
@@ -84,6 +84,8 @@
 			arch = "arm"
 		elseif string.find(machine, "aarch64") == 1 then
 			arch = "aarch64"
+		elseif string.find(machine, "e2k") == 1 then
+			arch = "e2k"
 		else
 			print("WARNING: Cannot determine architecture from GCC, assuming x86")
 		end
@@ -861,6 +863,8 @@
 		table.insert(source_dirs, "lib/sysdep/arch/arm");
 	elseif arch == "aarch64" then
 		table.insert(source_dirs, "lib/sysdep/arch/aarch64");
+	elseif arch == "e2k" then
+		table.insert(source_dirs, "lib/sysdep/arch/e2k");
 	end
 
 	-- OS-specific
Index: source/graphics/Color.cpp
===================================================================
--- source/graphics/Color.cpp
+++ source/graphics/Color.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2019 Wildfire Games.
+/* Copyright (C) 2020 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -26,9 +26,23 @@
 
 #if HAVE_SSE
 # include <xmmintrin.h>
+
+#if ARCH_X86_X64
 # include "lib/sysdep/arch/x86_x64/x86_x64.h"
 #endif
 
+namespace
+{
+#if ARCH_X86_X64
+	static bool g_EnableSSE = x86_x64::Cap(x86_x64::CAP_SSE);
+#elif ARCH_E2K
+	static bool g_EnableSSE = true;
+#else
+	static bool g_EnableSSE = false;
+#endif
+} // namespace
+#endif // if HAVE_SSE
+
 static SColor4ub fallback_ConvertRGBColorTo4ub(const RGBColor& src)
 {
 	SColor4ub result;
@@ -78,7 +92,7 @@
 void ColorActivateFastImpl()
 {
 #if HAVE_SSE
-	if (x86_x64::Cap(x86_x64::CAP_SSE))
+	if (g_EnableSSE)
 	{
 		ConvertRGBColorTo4ub = sse_ConvertRGBColorTo4ub;
 		return;
Index: source/lib/byte_order.h
===================================================================
--- source/lib/byte_order.h
+++ source/lib/byte_order.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2015 Wildfire Games.
+/* Copyright (C) 2020 Wildfire Games.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -33,7 +33,7 @@
 #ifndef BYTE_ORDER
 # define LITTLE_ENDIAN 0x4321
 # define BIG_ENDIAN    0x1234
-# if ARCH_IA32 || ARCH_IA64 || ARCH_AMD64 || ARCH_ALPHA || ARCH_ARM || ARCH_AARCH64 || ARCH_MIPS || defined(__LITTLE_ENDIAN__)
+# if ARCH_IA32 || ARCH_IA64 || ARCH_AMD64 || ARCH_ALPHA || ARCH_ARM || ARCH_AARCH64 || ARCH_MIPS || ARCH_E2K || defined(__LITTLE_ENDIAN__)
 #  define BYTE_ORDER LITTLE_ENDIAN
 # else
 #  define BYTE_ORDER BIG_ENDIAN
Index: source/lib/sysdep/arch.h
===================================================================
--- source/lib/sysdep/arch.h
+++ source/lib/sysdep/arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2015 Wildfire Games.
+/* Copyright (C) 2020 Wildfire Games.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -70,9 +70,15 @@
 #else
 # define ARCH_MIPS 0
 #endif
+// .. E2K (MCST Elbrus 2000)
+#if defined(__e2k__)
+# define ARCH_E2K 1
+#else
+# define ARCH_E2K 0
+#endif
 
 // ensure exactly one architecture has been detected
-#if (ARCH_IA32+ARCH_IA64+ARCH_AMD64+ARCH_ALPHA+ARCH_ARM+ARCH_AARCH64+ARCH_MIPS) != 1
+#if (ARCH_IA32+ARCH_IA64+ARCH_AMD64+ARCH_ALPHA+ARCH_ARM+ARCH_AARCH64+ARCH_MIPS+ARCH_E2K) != 1
 # error "architecture not correctly detected (either none or multiple ARCH_* defined)"
 #endif
 
Index: source/lib/sysdep/arch/e2k/e2k.cpp
===================================================================
--- source/lib/sysdep/arch/e2k/e2k.cpp
+++ source/lib/sysdep/arch/e2k/e2k.cpp
@@ -0,0 +1,50 @@
+/* Copyright (C) 2020 Wildfire Games.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * Routines specific to E2K (MCST Elbrus 2000).
+ */
+
+#include "precompiled.h"
+
+#include "lib/sysdep/cpu.h"
+
+intptr_t cpu_AtomicAdd(volatile intptr_t* location, intptr_t increment)
+{
+	return __sync_fetch_and_add(location, increment);
+}
+
+bool cpu_CAS(volatile intptr_t* location, intptr_t expected, intptr_t newValue)
+{
+	return __sync_bool_compare_and_swap(location, expected, newValue);
+}
+
+bool cpu_CAS64(volatile i64* location, i64 expected, i64 newValue)
+{
+	return __sync_bool_compare_and_swap(location, expected, newValue);
+}
+
+const char* cpu_IdentifierString()
+{
+	const char* cpuID = __builtin_cpu_name();
+	return cpuID;
+}
Index: source/lib/sysdep/compiler.h
===================================================================
--- source/lib/sysdep/compiler.h
+++ source/lib/sysdep/compiler.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2019 Wildfire Games.
+/* Copyright (c) 2020 Wildfire Games.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -43,11 +43,19 @@
 # define ICC_VERSION 0
 #endif
 // .. LCC (VC-compatible)
-#if defined(__LCC__)
+// LCC-Win32 and MCST lcc compilers define same identifier (__LCC__).
+// Have been added check of MCST Elbrus 2000 (e2k) architecture.
+#if defined(__LCC__) && !defined(__e2k__)
 # define LCC_VERSION __LCC__
 #else
 # define LCC_VERSION 0
 #endif
+// .. MCST LCC (eLbrus C Compiler)
+#if defined(__LCC__) && defined(__e2k__)
+# define MCST_LCC_VERSION (__LCC__*100 + __LCC_MINOR__)
+#else
+# define MCST_LCC_VERSION 0
+#endif
 // .. GCC
 #ifdef __GNUC__
 # define GCC_VERSION (__GNUC__*100 + __GNUC_MINOR__)
Index: source/ps/GameSetup/HWDetect.cpp
===================================================================
--- source/ps/GameSetup/HWDetect.cpp
+++ source/ps/GameSetup/HWDetect.cpp
@@ -181,6 +181,7 @@
 	scriptInterface.SetProperty(settings, "arch_amd64", ARCH_AMD64);
 	scriptInterface.SetProperty(settings, "arch_arm", ARCH_ARM);
 	scriptInterface.SetProperty(settings, "arch_aarch64", ARCH_AARCH64);
+	scriptInterface.SetProperty(settings, "arch_e2k", ARCH_E2K);
 
 #ifdef NDEBUG
 	scriptInterface.SetProperty(settings, "build_debug", 0);
Index: source/renderer/ModelRenderer.cpp
===================================================================
--- source/renderer/ModelRenderer.cpp
+++ source/renderer/ModelRenderer.cpp
@@ -41,23 +41,29 @@
 #include "renderer/TimeManager.h"
 #include "renderer/WaterManager.h"
 
-#if ARCH_X86_X64
-# include "lib/sysdep/arch/x86_x64/x86_x64.h"
-#endif
-
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // ModelRenderer implementation
 
-#if ARCH_X86_X64
+#if HAVE_SSE
 static bool g_EnableSSE = false;
 #endif
 
 void ModelRenderer::Init()
 {
+#if HAVE_SSE
+
+#if ARCH_X86_X64
+# include "lib/sysdep/arch/x86_x64/x86_x64.h"
+#endif
+
 #if ARCH_X86_X64
-	if (x86_x64::Cap(x86_x64::CAP_SSE))
-		g_EnableSSE = true;
+	static bool g_EnableSSE = x86_x64::Cap(x86_x64::CAP_SSE);
+#elif ARCH_E2K
+	static bool g_EnableSSE = true;
+#else
+	static bool g_EnableSSE = false;
 #endif
+#endif // if HAVE_SSE
 }
 
 // Helper function to copy object-space position and normal vectors into arrays.