Followed the discussions in the Pull request #682.

* Fixed a misspelling
* Fixed styles
* Added sample codes

testcode/disasm/sample-unix.mk

@@ -0,0 +1,28 @@
+# Sample makefile using a preprocessor against info files
+# and the --sync-lines option
+
+CPP = env LANG=C cpp
+CPPFLAGS = # -DTEST_ERROR
+
+ASMS = fixed.s bank0.s bank1.s
+DAIS = fixed.dai bank0.dai bank1.dai
+
+.SUFFIXES: .da .dai .s
+.PHONY: all clean maintainer-clean
+.SECONDARY: $(DAIS)
+
+.da.dai:
+	$(CPP) -o $@ $(CPPFLAGS) $<
+
+.dai.s:
+	da65 --sync-lines -o $@ -i $< image.bin
+
+all: $(ASMS)
+
+clean:
+	rm -f $(ASMS)
+
+maintainer-clean: clean
+	rm -f $(DAIS)
+
+$(DAIS): fixed.da