cl65 ?= cl65

.PHONY: build debug clean

build: bin/smb.nes

debug: OBJ_DEBUG_ARGS = --create-dep obj/nes/smb.d -v -g
debug: ROM_DEBUG_ARGS = -Wl --dbgfile,smb.nes.dbg
debug: build

obj/nes/smbdishl.o: src/smbdishl.s src/smb_chr.chr obj/nes/
	$(cl65) -t none -c $(OBJ_DEBUG_ARGS) --include-dir src -o $@ $<

bin/smb.nes bin/smb.map: obj/nes/smbdishl.o src/nes.cfg bin/
	$(cl65) -t none --mapfile bin/smb.map $(ROM_DEBUG_ARGS) -o bin/smb.nes -C src/nes.cfg $<

src/smb_chr.chr: chr/smb_chr.chr
	if [ -s $< ]; then \
		if [ -s $@ ]; then \
			cmp -s $@ $< || cp $< $@; \
		else \
			cp $< $@; \
		fi; \
	else \
		[ -s $@ ] || { echo "missing chr" >&2; exit 1; };\
	fi

obj/nes/ bin/:
	mkdir -p $@

clean:
	rm -f smb.nes.dbg bin/ smb.nes.ndx obj/