1 files changed, 20 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 569f91a..fa0e9d7 100755
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,21 @@
 .PHONY: all compare clean
 
+.SUFFIXES:
+.SUFFIXES: .asm .o .gbc .png
+.SECONDEXPANSION:
+
 ROMS := tcg.gbc
 OBJS := main.o
 
-all: clean tcg.gbc compare
+main_dep := $(shell python extras/scan_includes.py main.asm)
+
+all: tcg.gbc compare
 compare: baserom.gbc $(ROMS)
 	cmp $^
 
-%.o: %.asm
+$(OBJS): $$*.asm $$($$*_dep)
+	@python extras/gfx.py 2bpp $(2bppq)
+	@python extras/gfx.py 1bpp $(1bppq)
 	rgbasm -o $@ $<
 
 tcg.gbc: $(OBJS)
@@ -16,4 +24,13 @@ tcg.gbc: $(OBJS)
 
 clean:
 	rm -f $(ROMS)
-	rm -f $(OBJS)
\ No newline at end of file
+	rm -f $(OBJS)
+	find . \( -iname '*.1bpp' -o -iname '*.2bpp' \) -exec rm {} +
+
+%.2bpp: %.png
+	$(eval 2bppq += $<)
+	@rm -f $@
+
+%.1bpp: %.png
+	$(eval 1bppq += $<)
+	@rm -f $@