From 322aad848472d0e7ad4334903bf2d80932c08d49 Mon Sep 17 00:00:00 2001
From: Blake Burgess <trinitek@LIVE.COM>
Date: Sun, 7 Dec 2025 22:40:48 -0500
Subject: [PATCH 1/2] TpsBlock: IsCompletePage: address is Int32BE, not LE

---
 src/TpsParser/TpsBlock.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TpsParser/TpsBlock.cs b/src/TpsParser/TpsBlock.cs
index d43c3f3..67c2c0f 100644
--- a/src/TpsParser/TpsBlock.cs
+++ b/src/TpsParser/TpsBlock.cs
@@ -157,7 +157,7 @@ private static bool IsCompletePage(TpsRandomAccess rx)
 
             if (offset < pageSize)
             {
-                int address = BinaryPrimitives.ReadInt32LittleEndian(span[offset..]);
+                int address = BinaryPrimitives.ReadInt32BigEndian(span[offset..]);
 
                 if (address == position)
                 {

From daf762c60d1104c0f90d525490136791f65e8663 Mon Sep 17 00:00:00 2001
From: Blake Burgess <trinitek@LIVE.COM>
Date: Sun, 7 Dec 2025 22:56:49 -0500
Subject: [PATCH 2/2] Add test case and file for complete page issue

---
 .../ResourceTests/TestCompletePageIssue-11.cs |  51 ++++++++++++++++++
 .../Resources/CompletePageIssue-11.tps        | Bin 0 -> 2048 bytes
 2 files changed, 51 insertions(+)
 create mode 100644 tests/TpsParser.Tests/ResourceTests/TestCompletePageIssue-11.cs
 create mode 100644 tests/TpsParser.Tests/Resources/CompletePageIssue-11.tps

diff --git a/tests/TpsParser.Tests/ResourceTests/TestCompletePageIssue-11.cs b/tests/TpsParser.Tests/ResourceTests/TestCompletePageIssue-11.cs
new file mode 100644
index 0000000..ed345b3
--- /dev/null
+++ b/tests/TpsParser.Tests/ResourceTests/TestCompletePageIssue-11.cs
@@ -0,0 +1,51 @@
+using NUnit.Framework;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace TpsParser.Tests.ResourceTests;
+
+internal sealed class TestCompletePageIssue_11
+{
+    [Test]
+    [Description("Issue #11 - IsCompletePage address check should read an Int32BE, not Int32LE.")]
+    public void ShouldReadCompletePages()
+    {
+        using var fs = new FileStream("Resources/CompletePageIssue-11.tps", FileMode.Open, FileAccess.Read);
+
+        var tpsFile = new TpsFile(fs);
+
+        IEnumerable<TpsBlock>? blocks = null;
+
+        Assert.DoesNotThrow(() =>
+        {
+            blocks = tpsFile.GetBlocks();
+        });
+
+        if (blocks is null)
+        {
+            Assert.Fail();
+            return;
+        }
+
+        var singleBlock = blocks.Single();
+
+        var pages = singleBlock.GetPages();
+
+        var singlePage = pages.Single();
+
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(singlePage.AbsoluteAddress, Is.EqualTo(512));
+            Assert.That(singlePage.Flags, Is.Zero);
+            Assert.That(singlePage.RecordCount, Is.EqualTo(9));
+            Assert.That(singlePage.Size, Is.EqualTo(1526));
+            Assert.That(singlePage.SizeUncompressed, Is.EqualTo(2119));
+            Assert.That(singlePage.SizeUncompressedExpanded, Is.EqualTo(2161));
+
+            var records = singlePage.GetRecords(tpsFile.ErrorHandlingOptions);
+
+            Assert.That(records, Has.Count.EqualTo(9));
+        }
+    }
+}
diff --git a/tests/TpsParser.Tests/Resources/CompletePageIssue-11.tps b/tests/TpsParser.Tests/Resources/CompletePageIssue-11.tps
new file mode 100644
index 0000000000000000000000000000000000000000..8a2b7184be174fd0951c18e45ea8d4dce3d92e0b
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