diff --git a/premake5.exe b/premake5.exe
new file mode 100644
index 00000000..1a637aa9
Binary files /dev/null and b/premake5.exe differ
diff --git a/premake5.lua b/premake5.lua
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+++ b/premake5.lua
@@ -0,0 +1,145 @@
+
+--require("nmake")
+require("nmake2")
+
+newoption {
+	trigger     = "with-lto",
+	description = "Build with link time optimization"
+}
+
+workspace "isle"
+	language "C++"
+	configurations { "Debug", "Release" }
+	startproject "isle"
+	location "build"
+	symbols "Full"
+	warnings "Extra"
+	symbols "on"
+
+	filter { "system:windows" }
+		configurations { "Vanilla" }
+		defines { "WIN32", "_WINDOWS" }
+		platforms {
+			"win-x86",
+			"win-amd64",
+			"win-arm",
+			"win-arm64"
+		}
+
+	filter { "system:linux" }
+		platforms {
+			"linux-x86",
+			"linux-amd64",
+			"linux-arm",
+			"linux-arm64",
+		}
+
+	filter { "system:bsd" }
+		platforms {
+			"bsd-x86",
+			"bsd-amd64",
+			"bsd-arm",
+			"bsd-arm64"
+		}
+
+	filter { "system:macosx" }
+		platforms {
+			"macosx-arm64",
+			"macosx-amd64",
+		}
+
+	filter "configurations:Debug"
+		defines { "DEBUG" }
+
+	filter "configurations:not Debug"
+		defines { "NDEBUG" }
+		optimize "Speed"
+		if(_OPTIONS["with-lto"]) then
+			flags { "LinkTimeOptimization" }
+		end
+
+	filter { "platforms:win*" }
+		system "windows"
+
+	filter { "platforms:linux*" }
+		system "linux"
+
+	filter { "platforms:bsd*" }
+		system "bsd"
+
+	filter { "platforms:macosx*" }
+		system "macosx"
+
+	filter { "platforms:*x86*" }
+		architecture "x86"
+
+	filter { "platforms:*amd64*" }
+		architecture "amd64"
+
+	filter { "platforms:*arm*" }
+		architecture "ARM"
+		
+	filter { "platforms:*arm64*" }
+		architecture "ARM64"
+
+	filter { "platforms:macosx-arm64*", "files:**.cpp"}
+		buildoptions { "-target", "arm64-apple-macos11", "-std=gnu++14" }
+
+	filter { "platforms:macosx-arm64*", "files:**.c"}
+		buildoptions { "-target", "arm64-apple-macos11" }
+
+	filter { "platforms:macosx-amd64*", "files:**.cpp"}
+		buildoptions { "-target", "x86_64-apple-macos10.12", "-std=gnu++14" }
+
+	filter { "platforms:macosx-amd64*", "files:**.c"}
+		buildoptions { "-target", "x86_64-apple-macos10.12" }
+
+	filter  {}
+
+local function addSrcFiles( prefix )
+	return prefix .. "/*cpp", prefix .. "/*.h", prefix .. "/*.c", prefix .. "/*.ico", prefix .. "/*.rc"
+end
+
+project "isle"
+	kind "WindowedApp"
+	targetname "isle"
+	targetdir "bin/%{cfg.platform}/%{cfg.buildcfg}"
+	links { "lego1" }
+	resincludedirs { "." }
+	dependson { "lego1" }
+	staticruntime "libc"
+
+	--libdirs { "bin/%{cfg.platform}/%{cfg.buildcfg}" }
+	
+	files { addSrcFiles("ISLE") }
+	files { addSrcFiles("ISLE/res") }
+
+	includedirs { "LEGO1" }
+
+	filter { "platforms:win*" }
+		links { "dsound", "advapi32", "user32", "Gdi32", "Winmm" }
+		resoptions { "/l 0x409" }
+	
+	filter "configurations:Vanilla"
+		defines { "VANILLA_DEFINES" }
+		
+	filter {}
+	
+	
+project "lego1"
+	--kind "StaticLib"
+	kind "SharedLib"
+	targetname "lego1"
+	targetdir "bin/%{cfg.platform}/%{cfg.buildcfg}"
+	staticruntime "on"
+
+	files { addSrcFiles("LEGO1") }
+
+	filter { "platforms:win*" }
+		links { "dsound", "advapi32", "user32", "Gdi32", "Winmm" }
+	
+	filter "configurations:Vanilla"
+		defines { "VANILLA_DEFINES" }
+	
+	filter {}
+