private ProgramDB buildProgram() throws Exception {
		builder = new ProgramBuilder("notepad", ProgramBuilder._TOY, this);

		builder.createMemory(".text", "0x1001000", 0x6600);
		builder.createEntryPoint("1001000", "entrypoint");
		builder.createEmptyFunction(null, "1001005", 40, null);
		builder.createEmptyFunction(null, "1001050", 1, null);

		builder.setBytes("1001005", "ff 74 24 04", true);
		builder.setBytes("10010a0", "ff 15 d4 10 00 01", true);

		builder.createMemoryReference("1001005", "1001007", RefType.DATA, SourceType.DEFAULT, 0);
		builder.createMemoryReference("1001009", "1001007", RefType.DATA, SourceType.DEFAULT, 0);
		builder.createMemoryReadReference("1001009", "1001005");

		// structure at 100100b
		builder.createMemoryReference("1001005", "100100f", RefType.DATA, SourceType.DEFAULT, 0);
		builder.createMemoryReference("1001002", "100100f", RefType.DATA, SourceType.DEFAULT, 0);

		return builder.getProgram();
	}
Adds a listing field to the given model.

@param model the model to updated
@param fieldName the name of the field to add
@param column the column where the field should be displayed
Ghidra/Features/Base/src/test.slow/java/ghidra/app/util/viewer/field/XrefViewerTest.java