added TIC80 shared library (tic80.dll)

include/tic80/tic80_config.h

@@ -0,0 +1,45 @@
+// MIT License
+
+// Copyright (c) 2017 Vadim Grigoruk @nesbox
+
+// 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.
+
+#pragma once
+
+#if (defined(WIN32) || defined(_WIN32) || defined(__MINGW32__))
+#	undef __WINDOWS__
+#	define __WINDOWS__ 1
+#endif
+
+#if (defined(linux) || defined(__linux) || defined(__linux__))
+#	undef __LINUX__
+#	define __LINUX__   1
+#endif
+
+#ifndef TIC80_API
+#	if defined(TIC80_SHARED)
+#		if defined(__WINDOWS__)
+#			define TIC80_API __declspec(dllexport)
+#		elif defined(__LINUX__)
+#			define TIC80_API __attribute__ ((visibility("default")))
+#		endif
+#	else
+#		define TIC80_API
+#	endif
+#endif