diff --git a/.gitignore b/.gitignore
index 4931fc8..7b6ab7b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
-bin/*.ir
-codedefs/*.bin
+bin/*
+codedefs/*
+ir/*
 doc
 fonts
 sounds
diff --git a/Makefile b/Makefile
index eaf18ea..a425e17 100644
--- a/Makefile
+++ b/Makefile
@@ -1,43 +1,61 @@
 ## Copyright © 2017 Project Golan, all rights reserved.
-CC=gdcc-cc
-LD=gdcc-ld
-MAKELIB=gdcc-makelib
+GDCC_CC=gdcc-cc
+GDCC_LD=gdcc-ld
+GDCC_MAKELIB=gdcc-makelib
 
-BIN=codedefs
 SRC=src
 INC=inc
-IR=bin
+CODEDEFS=codedefs
+BIN=bin
+IR=ir
 
-TARGET=--bc-target=Doominati
-LFLAGS += $(TARGET)
-CFLAGS += $(TARGET) --alloc-Aut=4194304 -c
+GDCC_TARGET=--bc-target=Doominati
+GDCC_LFLAGS += $(GDCC_TARGET)
+GDCC_CFLAGS += $(GDCC_TARGET) --alloc-Aut=4194304 -c
 
-MAIN_SOURCES=$(wildcard $(SRC)/*.c)
-MAIN_HEADERS=$(wildcard $(SRC)/*.h)
+GAME_SOURCES=$(wildcard $(SRC)/g_*.c)
+GAME_HEADERS=$(wildcard $(SRC)/g_*.h)
+GAME_OUTPUT=$(GAME_SOURCES:$(SRC)/g_%.c=$(IR)/g_%.ir)
+GAME_BINARY=$(CODEDEFS)/eikyo-game.bin
+
+MAIN_SOURCES=$(SRC)/main.c
 MAIN_OUTPUT=$(MAIN_SOURCES:$(SRC)/%.c=$(IR)/%.ir)
-MAIN_BINARY=$(BIN)/影響の目.bin
+MAIN_BINARY=$(CODEDEFS)/eikyo-main.bin
+
+MISC_SOURCES=$(wildcard $(SRC)/m_*.c)
+MISC_HEADERS=$(wildcard $(SRC)/m_*.h)
+MISC_OUTPUT=$(MISC_SOURCES:$(SRC)/m_%.c=$(IR)/m_%.ir)
+MISC_BINARY=$(CODEDEFS)/eikyo-misc.bin
+
+RENDER_SOURCES=$(wildcard $(SRC)/r_*.c)
+RENDER_HEADERS=$(wildcard $(SRC)/r_*.h)
+RENDER_OUTPUT=$(RENDER_SOURCES:$(SRC)/r_%.c=$(IR)/r_%.ir)
+RENDER_BINARY=$(CODEDEFS)/eikyo-render.bin
 
 .PHONY: clean
 
-all: $(BIN)/stdlib.bin $(MAIN_BINARY)
+all: $(CODEDEFS) $(BIN) $(IR) $(CODEDEFS)/stdlib.bin $(GAME_BINARY) $(MAIN_BINARY) $(MISC_BINARY) $(RENDER_BINARY)
+
+$(CODEDEFS) $(BIN) $(IR):
+	mkdir -p $@
 
 clean:
-	rm -f bin/*.ir
-	rm -f codedefs/*.bin
-
-$(BIN)/stdlib.bin: $(IR)/libc.ir $(IR)/libGDCC.ir
-	$(LD) $(LFLAGS) -o $@ $^
+	rm -f $(BIN)/*
+	rm -f $(CODEDEFS)/*
+	rm -f $(IR)/*
 
+$(CODEDEFS)/stdlib.bin: $(IR)/libc.ir $(IR)/libGDCC.ir
+$(GAME_BINARY): $(GAME_OUTPUT)
 $(MAIN_BINARY): $(MAIN_OUTPUT)
-	$(LD) $(LFLAGS) -o $@ $^
+$(MISC_BINARY): $(MISC_OUTPUT)
+$(RENDER_BINARY): $(RENDER_OUTPUT)
+$(CODEDEFS)/%.bin:
+	$(GDCC_LD) $(GDCC_LFLAGS) -o $@ $^
 
-$(IR)/%.ir: $(SRC)/%.c $(MAIN_HEADERS)
-	$(CC) $(CFLAGS) -o $@ $<
+$(IR)/%.ir: $(SRC)/%.c $(GAME_HEADERS) $(MISC_HEADERS) $(RENDER_HEADERS)
+	$(GDCC_CC) $(GDCC_CFLAGS) -o $@ $<
 
-$(IR)/libc.ir:
-	$(MAKELIB) $(TARGET) $(CFLAGS) -o $@ libc
-
-$(IR)/libGDCC.ir:
-	$(MAKELIB) $(TARGET) $(CFLAGS) -o $@ libGDCC
+$(IR)/libc.ir $(IR)/libGDCC.ir:
+	$(GDCC_MAKELIB) $(GDCC_CFLAGS) -o $@ $(basename $(@F))
 
 ## EOF
diff --git a/bin/dummy b/bin/dummy
deleted file mode 100644
index 8d1c8b6..0000000
--- a/bin/dummy
+++ /dev/null
@@ -1 +0,0 @@
- 
diff --git a/codedefs/dummy b/codedefs/dummy
deleted file mode 100644
index 8d1c8b6..0000000
--- a/codedefs/dummy
+++ /dev/null
@@ -1 +0,0 @@
-