diff --git a/Makefile.gcw b/Makefile.gcw
new file mode 100644
index 0000000..4656ef9
--- /dev/null
+++ b/Makefile.gcw
@@ -0,0 +1,73 @@
+# Define compilation type
+OSTYPE=msys
+#OSTYPE=oda320
+#OSTYPE=odgcw
+
+PRGNAME     = potator-od
+
+# define regarding OS, which compiler to use
+ifeq "$(OSTYPE)" "msys"	
+EXESUFFIX = .exe
+TOOLCHAIN = /c/MinGW32
+CC          = $(TOOLCHAIN)/bin/gcc
+CCP         = $(TOOLCHAIN)/bin/g++
+LD          = $(TOOLCHAIN)/bin/g++
+else
+ifeq "$(OSTYPE)" "oda320"	
+TOOLCHAIN = /opt/opendingux-toolchain/usr
+else
+TOOLCHAIN = /opt/gcw0-toolchain/usr
+endif
+EXESUFFIX = .dge
+CC  = $(TOOLCHAIN)/bin/mipsel-linux-gcc
+CCP = $(TOOLCHAIN)/bin/mipsel-linux-g++
+LD  = $(TOOLCHAIN)/bin/mipsel-linux-g++
+endif
+
+# add SDL dependencies
+SDL_LIB     = $(TOOLCHAIN)/lib
+SDL_INCLUDE = $(TOOLCHAIN)/include
+
+# change compilation / linking flag options
+ifeq "$(OSTYPE)" "msys"	
+F_OPTS		=-fomit-frame-pointer -ffunction-sections -ffast-math -fsingle-precision-constant 
+CC_OPTS		= -O2 -D_ODSDL_ -DMAX__PATH=1024 -g $(F_OPTS)
+CFLAGS		= -I$(SDL_INCLUDE) $(CC_OPTS)
+CXXFLAGS	=$(CFLAGS) 
+LDFLAGS     = -L$(SDL_LIB) -lmingw32 -lSDLmain -lSDL -mwindows
+else
+F_OPTS = -fomit-frame-pointer -ffunction-sections -ffast-math -fsingle-precision-constant 
+ifeq "$(OSTYPE)" "oda320"
+CC_OPTS		= -O2 -mips32 -msoft-float -G0  -D_ODSDL_ -DMAX__PATH=1024  $(F_OPTS)
+else
+CC_OPTS		= -O2 -mips32 -mhard-float -G0  -D_ODSDL_ -DMAX__PATH=1024 $(F_OPTS)
+endif
+CFLAGS		= -I$(SDL_INCLUDE) -D_OPENDINGUX_ $(CC_OPTS)
+CXXFLAGS	= $(CFLAGS) 
+LDFLAGS		= -L$(SDL_LIB) $(CC_OPTS) -lSDL
+endif
+
+# Files to be compiled
+SRCDIR    = ./common/m6502 ./common ./platform/opendingux
+VPATH     = $(SRCDIR)
+SRC_C   = $(foreach dir, $(SRCDIR), $(wildcard $(dir)/*.c))
+SRC_CP   = $(foreach dir, $(SRCDIR), $(wildcard $(dir)/*.cpp))
+OBJ_C   = $(notdir $(patsubst %.c, %.o, $(SRC_C)))
+OBJ_CP   = $(notdir $(patsubst %.cpp, %.o, $(SRC_CP)))
+OBJS     = $(OBJ_C) $(OBJ_CP)
+
+# Rules to make executable
+$(PRGNAME)$(EXESUFFIX): $(OBJS)  
+ifeq "$(OSTYPE)" "msys"	
+	$(LD) $(CFLAGS) -o $(PRGNAME)$(EXESUFFIX) $^ $(LDFLAGS)
+else
+	$(LD) $(LDFLAGS) -o $(PRGNAME)$(EXESUFFIX) $^
+endif
+
+$(OBJ_C) : %.o : %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+$(OBJ_CP) : %.o : %.cpp
+	$(CCP) $(CXXFLAGS) -c -o $@ $<
+
+clean: