CA65 ?= ca65
LD65 ?= ld65
all: verify
header.o: header.s
	$(CA65) -g -o $@ $<
prg.o: prg.s symbols.inc locals.inc burger_time.nes
	$(CA65) -g -o $@ $<
chr.o: chr.s burger_time.nes
	$(CA65) -g -o $@ $<
burger_time_rebuilt.nes: header.o prg.o chr.o linker.cfg
	$(LD65) -C linker.cfg -m burger_time.map -Ln burger_time.lbl -o $@ header.o prg.o chr.o
verify: burger_time_rebuilt.nes
	cmp burger_time.nes burger_time_rebuilt.nes
	@echo "Byte-identical ROM verified."
clean:
	rm -f *.o burger_time_rebuilt.nes burger_time.map burger_time.lbl