Followed the discussions in the Pull request #682.

* Fixed a misspelling
* Fixed styles
* Added sample codes

testcode/disasm/.gitignore

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+*.s
+image.bin

testcode/disasm/bank0.da

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+// Da65 input file before preprocessed by cpp
+// Bank0 ROM map
+
+#define TARGET_BANK 0
+global {
+    inputoffs $00010;
+    inputsize $4000;
+    startaddr $8000;
+    cpu "6502";
+};
+
+#include "fixed.da"
+
+label { addr $8000; name "Bank0ProcA"; };
+label { addr $8123; name "Bank0ProcB"; };
+range { start $A000; end $BFFF; name "Bank0Data"; type ByteTable; };

testcode/disasm/bank0.dai

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+# 1 "bank0.da"
+# 1 "<built-in>"
+# 1 "<command-line>"
+# 1 "bank0.da"
+
+
+
+
+global {
+    inputoffs $00010;
+    inputsize $4000;
+    startaddr $8000;
+    cpu "6502";
+};
+
+# 1 "fixed.da" 1
+# 18 "fixed.da"
+label { addr $00; name "VariableA"; };
+label { addr $01; name "VariableB"; };
+label { addr $0100; name "Stack"; size $0100; };
+
+
+
+
+
+label { addr $C000; name "CommonProcA"; };
+label { addr $C123; name "CommonProcB"; };
+range { start $E123; end $FFFF; name "CommonData"; type ByteTable; };
+# 13 "bank0.da" 2
+
+label { addr $8000; name "Bank0ProcA"; };
+label { addr $8123; name "Bank0ProcB"; };
+range { start $A000; end $BFFF; name "Bank0Data"; type ByteTable; };

testcode/disasm/bank1.da

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+// Da65 input file before preprocessed by cpp
+// Bank1 ROM map
+
+#define TARGET_BANK 1
+global {
+    inputoffs $04010;
+    inputsize $4000;
+    startaddr $8000;
+    cpu "6502";
+};
+
+#include "fixed.da"
+
+range { start $8000; end $AFFF; name "Bank1Data"; type ByteTable; };
+label { addr $B000; name "Bank1ProcA"; };
+label { addr $B123; name "Bank1ProcB"; };

testcode/disasm/bank1.dai

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+# 1 "bank1.da"
+# 1 "<built-in>"
+# 1 "<command-line>"
+# 1 "bank1.da"
+
+
+
+
+global {
+    inputoffs $04010;
+    inputsize $4000;
+    startaddr $8000;
+    cpu "6502";
+};
+
+# 1 "fixed.da" 1
+# 18 "fixed.da"
+label { addr $00; name "VariableA"; };
+label { addr $01; name "VariableB"; };
+label { addr $0100; name "Stack"; size $0100; };
+
+
+
+
+
+label { addr $C000; name "CommonProcA"; };
+label { addr $C123; name "CommonProcB"; };
+range { start $E123; end $FFFF; name "CommonData"; type ByteTable; };
+# 13 "bank1.da" 2
+
+range { start $8000; end $AFFF; name "Bank1Data"; type ByteTable; };
+label { addr $B000; name "Bank1ProcA"; };
+label { addr $B123; name "Bank1ProcB"; };

testcode/disasm/fixed.da

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+// Da65 input file before preprocessed by cpp
+// RAM and Fixed ROM map
+
+#ifndef FIXED_DA_INCLUDED
+#define FIXED_DA_INCLUDED
+
+#ifndef TARGET_BANK
+#define TARGET_BANK -1
+global {
+    inputoffs $1C010;
+    inputsize $4000;
+    startaddr $C000;
+    cpu "6502";
+};
+#endif /* !defined(TARGET_BANK) */
+
+// ---- RAM map ----
+label { addr $00; name "VariableA"; };
+label { addr $01; name "VariableB"; };
+label { addr $0100; name "Stack"; size $0100; };
+#if defined(TEST_ERROR) && TARGET_BANK == 0
+erroneous_line;
+#endif
+
+// ---- Fixed ROM map ----
+label { addr $C000; name "CommonProcA"; };
+label { addr $C123; name "CommonProcB"; };
+range { start $E123; end $FFFF; name "CommonData"; type ByteTable; };
+
+#endif /* !defined(FIXED_DA_INCLUDED) */

testcode/disasm/fixed.dai

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+# 1 "fixed.da"
+# 1 "<built-in>"
+# 1 "<command-line>"
+# 1 "fixed.da"
+# 9 "fixed.da"
+global {
+    inputoffs $1C010;
+    inputsize $4000;
+    startaddr $C000;
+    cpu "6502";
+};
+
+
+
+label { addr $00; name "VariableA"; };
+label { addr $01; name "VariableB"; };
+label { addr $0100; name "Stack"; size $0100; };
+
+
+
+
+
+label { addr $C000; name "CommonProcA"; };
+label { addr $C123; name "CommonProcB"; };
+range { start $E123; end $FFFF; name "CommonData"; type ByteTable; };

testcode/disasm/sample-unix.mk

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+# 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