attempted ca65 conversion

jca65/Makefile

@@ -0,0 +1,24 @@
+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}