Add inline string script sample

Also, updated LZ4FH sample, which needed to have explicit widths on
a couple of zero-page pointers.

Also, updated Zippy sample, which had a ton of unnecessary format
entries for a couple of pointers.

SourceGen/Examples/Scripts/InlineNullTerm.cs

@@ -0,0 +1,69 @@
+// Copyright 2019 faddenSoft. All Rights Reserved.
+// See the LICENSE.txt file for distribution terms (Apache 2.0).
+
+using System;
+using System.Collections.Generic;
+
+using PluginCommon;
+
+namespace ExtensionScriptSample {
+    /// <summary>
+    /// Sample class for handling a JSR followed by an inline null-terminated string.
+    /// </summary>
+    public class InlineNullStringHandler : MarshalByRefObject, IPlugin, IPlugin_InlineJsr {
+        private IApplication mAppRef;
+        private byte[] mFileData;
+
+        private int mInlineNullStringAddr;      // jsr
+
+        public string Identifier {
+            get {
+                return "Inline null-terminated ASCII string handler";
+            }
+        }
+
+        public void Prepare(IApplication appRef, byte[] fileData, AddressTranslate addrTrans,
+                List<PlSymbol> plSyms) {
+            mAppRef = appRef;
+            mFileData = fileData;
+
+            mAppRef.DebugLog("InlineNullStringHandler(id=" +
+                AppDomain.CurrentDomain.Id + "): prepare()");
+
+            // reset this every time, in case they remove the label
+            mInlineNullStringAddr = -1;
+            foreach (PlSymbol sym in plSyms) {
+                if (sym.Label == "PrintInlineZString") {
+                    mInlineNullStringAddr = sym.Value;
+                    break;
+                }
+            }
+            mAppRef.DebugLog("PrintInlineZString @ $" + mInlineNullStringAddr.ToString("x6"));
+        }
+
+        public void CheckJsr(int offset, out bool noContinue) {
+            noContinue = false;
+            int target = Util.GetWord(mFileData, offset + 1, 2, false);
+            if (target == mInlineNullStringAddr) {
+                // search for the terminating null byte
+                int nullOff = offset + 3;
+                while (nullOff < mFileData.Length) {
+                    if (mFileData[nullOff] == 0) {
+                        break;
+                    }
+                    nullOff++;
+                }
+                if (nullOff == mFileData.Length) {
+                    mAppRef.DebugLog("Unable to find end of null-terminated string at +" +
+                        (offset+3).ToString("x6"));
+                    return;
+                }
+
+                // Assuming ASCII.  This can be hard-coded, use auto-detection, or look
+                // up a value in a project constant.
+                mAppRef.SetInlineDataFormat(offset + 3, nullOff - (offset + 3) + 1,
+                    DataType.StringNullTerm, DataSubType.Ascii, null);
+            }
+        }
+    }
+}

SourceGen/Examples/Scripts/Sample.S

@@ -0,0 +1,8 @@
+        org     $1000
+
+        jsr     PrintInlineZString
+        asc     'Testing',00
+        rts
+
+PrintInlineZString
+        rts

SourceGen/Examples/Scripts/Sample.dis65

@@ -0,0 +1,24 @@
+### 6502bench SourceGen dis65 v1.0 ###
+{
+"_ContentVersion":2,"FileDataLength":13,"FileDataCrc32":205674068,"ProjectProps":{
+"CpuName":"65816","IncludeUndocumentedInstr":false,"EntryFlags":32702671,"AutoLabelStyle":"Simple","AnalysisParams":{
+"AnalyzeUncategorizedData":true,"DefaultTextScanMode":"LowHighAscii","MinCharsForString":4,"SeekNearbyTargets":true,"SmartPlpHandling":true},
+"PlatformSymbolFileIdentifiers":[],"ExtensionScriptFileIdentifiers":["PROJ:InlineNullTerm.cs"],"ProjectSyms":{
+}},
+"AddressMap":[{
+"Offset":0,"Addr":4096}],"TypeHints":[{
+"Low":0,"High":0,"Hint":"Code"}],"StatusFlagOverrides":{
+},
+"Comments":{
+},
+"LongComments":{
+},
+"Notes":{
+},
+"UserLabels":{
+"12":{
+"Label":"PrintInlineZString","Value":4108,"Source":"User","Type":"LocalOrGlobalAddr"}},
+"OperandFormats":{
+},
+"LvTables":{
+}}