TARGET := jimmy.prg
SOURCE := jimmy.S
OBJDIR := obj

CC := cl65
AS := ca65

OFILES := $(patsubst %.S, ${OBJDIR}/%.o, ${SOURCE})

default: all ${TARGET}
all: ${TARGET}

${OBJDIR}:
	mkdir -p $@

${OBJDIR}/%.o: %.S | ${OBJDIR}
	${AS} $< -o $@

${TARGET}: ${OFILES}
	${CC} -t none $< -o $@

clean:
	rm -rf ${OBJDIR}
	rm -f ${TARGET}