From 5b6e7aabcff8e96872bfbb9206cd251697fbddb1 Mon Sep 17 00:00:00 2001
From: Matthew Foulds <nokturnusmf@gmail.com>
Date: Tue, 19 Nov 2019 18:47:00 +0000
Subject: [PATCH] Fixed 11874 (leading 0s ignored by debugger)

---
 Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp |  2 +-
 Source/Core/DolphinQt/Debugger/MemoryWidget.cpp     | 13 ++++++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
index 86874198af..e33a2a8880 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
@@ -379,7 +379,7 @@ void MemoryViewWidget::OnCopyHex()
   u64 value = accessors->ReadU64(addr);
 
   QApplication::clipboard()->setText(
-      QStringLiteral("%1").arg(value, length * 2, 16, QLatin1Char('0')).left(length * 2));
+      QStringLiteral("%1").arg(value, sizeof(u64) * 2, 16, QLatin1Char('0')).left(length * 2));
 }
 
 void MemoryViewWidget::OnContextMenu()
diff --git a/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp b/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp
index 6de34ebab6..d76e6b0b5a 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp
@@ -488,12 +488,15 @@ void MemoryWidget::OnSetValue()
     const QByteArray bytes = m_data_edit->text().toUtf8();
 
     for (char c : bytes)
-      accessors->WriteU8(static_cast<u8>(c), addr++);
+      accessors->WriteU8(addr++, static_cast<u8>(c));
   }
   else
   {
     bool good_value;
-    u64 value = m_data_edit->text().toULongLong(&good_value, 16);
+    const QString text = m_data_edit->text();
+    const int length =
+        text.startsWith(QStringLiteral("0x"), Qt::CaseInsensitive) ? text.size() - 2 : text.size();
+    const u64 value = text.toULongLong(&good_value, 16);
 
     if (!good_value)
     {
@@ -501,15 +504,15 @@ void MemoryWidget::OnSetValue()
       return;
     }
 
-    if (value == static_cast<u8>(value))
+    if (length <= 2)
     {
       accessors->WriteU8(addr, static_cast<u8>(value));
     }
-    else if (value == static_cast<u16>(value))
+    else if (length <= 4)
     {
       accessors->WriteU16(addr, static_cast<u16>(value));
     }
-    else if (value == static_cast<u32>(value))
+    else if (length <= 8)
     {
       accessors->WriteU32(addr, static_cast<u32>(value));
     }