From 263dd20ec3d0d495b9e233ff25eae66e12b5d3a5 Mon Sep 17 00:00:00 2001
From: Jaklyy <102590697+Jaklyy@users.noreply.github.com>
Date: Mon, 14 Oct 2024 22:48:25 -0400
Subject: [PATCH] nvmnvmnvm

---
 src/CP15.cpp | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/src/CP15.cpp b/src/CP15.cpp
index 14b87c73..7d8ff01a 100644
--- a/src/CP15.cpp
+++ b/src/CP15.cpp
@@ -915,8 +915,9 @@ u32 ARMv5::CodeRead32(u32 addr, bool branch)
 
         //return *(u32*)&CurICacheLine[addr & 0x1C];
     }
-
-    WriteBufferDrain();
+    
+    if (PU_Map[addr>>12] & 0x30)
+        WriteBufferDrain();
 
     NDS.ARM9Timestamp = NDS.ARM9Timestamp + ((1<<NDS.ARM9ClockShift)-1) & ~((1<<NDS.ARM9ClockShift)-1);
 
@@ -962,7 +963,8 @@ bool ARMv5::DataRead8(u32 addr, u32* val)
         return true;
     }
     
-    WriteBufferDrain();
+    if (PU_Map[addr>>12] & 0x30)
+        WriteBufferDrain();
 
     NDS.ARM9Timestamp = NDS.ARM9Timestamp + ((1<<NDS.ARM9ClockShift)-1) & ~((1<<NDS.ARM9ClockShift)-1);
     
@@ -1008,8 +1010,9 @@ bool ARMv5::DataRead16(u32 addr, u32* val)
         *val = *(u16*)&DTCM[addr & (DTCMPhysicalSize - 1)];
         return true;
     }
-
-    WriteBufferDrain();
+    
+    if (PU_Map[addr>>12] & 0x30)
+        WriteBufferDrain();
 
     NDS.ARM9Timestamp = NDS.ARM9Timestamp + ((1<<NDS.ARM9ClockShift)-1) & ~((1<<NDS.ARM9ClockShift)-1);
     
@@ -1055,8 +1058,9 @@ bool ARMv5::DataRead32(u32 addr, u32* val)
         *val = *(u32*)&DTCM[addr & (DTCMPhysicalSize - 1)];
         return true;
     }
-
-    WriteBufferDrain();
+    
+    if (PU_Map[addr>>12] & 0x30)
+        WriteBufferDrain();
 
     NDS.ARM9Timestamp = NDS.ARM9Timestamp + ((1<<NDS.ARM9ClockShift)-1) & ~((1<<NDS.ARM9ClockShift)-1);
     
@@ -1101,8 +1105,9 @@ bool ARMv5::DataRead32S(u32 addr, u32* val)
         *val = *(u32*)&DTCM[addr & (DTCMPhysicalSize - 1)];
         return true;
     }
-
-    WriteBufferDrain();
+    
+    if (PU_Map[addr>>12] & 0x30)
+        WriteBufferDrain();
 
     NDS.ARM9Timestamp += DataCycles;