diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..f7455ba
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,32 @@
+# Configure with [fxsdk build-fx] or [fxsdk build-cg], which provide the
+# toolchain file and module path of the fxSDK
+
+cmake_minimum_required(VERSION 3.15)
+project(CalcCity)
+
+include(GenerateG1A)
+include(GenerateG3A)
+include(Fxconv)
+find_package(Gint 2.1 REQUIRED)
+
+set(SOURCES
+  src/main.c
+)
+
+set(ASSETS_fx
+  
+)
+
+fxconv_declare_assets(${ASSETS} ${ASSETS_fx} ${ASSETS_cg} WITH_METADATA)
+
+add_executable(myaddin ${SOURCES} ${ASSETS} ${ASSETS_${FXSDK_PLATFORM}})
+target_compile_options(myaddin PRIVATE -Wall -Wextra -Os)
+target_link_libraries(myaddin Gint::Gint)
+
+if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
+  generate_g1a(TARGET myaddin OUTPUT "CalcCity.g1a"
+    NAME "CalcCity" ICON assets-fx/icon.png)
+elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
+  generate_g3a(TARGET myaddin OUTPUT "MyAddin.g3a"
+    NAME "MyAddin" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
+endif()
diff --git a/assets-fx/fxconv-metadata.txt b/assets-fx/fxconv-metadata.txt
new file mode 100644
index 0000000..74707b1
--- /dev/null
+++ b/assets-fx/fxconv-metadata.txt
@@ -0,0 +1,3 @@
+*.png:
+  type: bopti-image
+  name_regex: (.*)\.png img_\1
\ No newline at end of file
diff --git a/assets-fx/icon.bmp b/assets-fx/icon.bmp
new file mode 100644
index 0000000..50f4b69
Binary files /dev/null and b/assets-fx/icon.bmp differ
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..7115429
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,8 @@
+#include <gint/display.h>
+#include <gint/keyboard.h>
+
+int main(void)
+{
+
+	return 1;
+}