From 2c7c580b9fa5dfbd2fe8612db8848475af0ad4e5 Mon Sep 17 00:00:00 2001
From: Matthijs ter Woord <matthijs@terwoord.eu>
Date: Tue, 3 Feb 2015 18:44:46 +0100
Subject: [PATCH] small fixes in debugstub.

---
 source/Cosmos.Debug.DebugStub/SerialHelpers.asm | 4 +++-
 source/Cosmos.Debug.DebugStub/SerialHelpers.xs  | 8 +++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/source/Cosmos.Debug.DebugStub/SerialHelpers.asm b/source/Cosmos.Debug.DebugStub/SerialHelpers.asm
index c775233c4..110166590 100644
--- a/source/Cosmos.Debug.DebugStub/SerialHelpers.asm
+++ b/source/Cosmos.Debug.DebugStub/SerialHelpers.asm
@@ -1,4 +1,4 @@
-; Generated at 1-1-2015 12:56:21
+; Generated at 3-2-2015 18:02:14
 
 
 
@@ -40,10 +40,12 @@ mov dword [static_field__Cosmos_Core_INTs_mLastKnownAddress], DebugStub_ComRead3
 Ret
 
 DebugStub_ComWriteAL:
+Push ESI
 Push EAX
 Mov ESI, ESP
 Call DebugStub_ComWrite8
 Pop EAX
+Pop ESI
 DebugStub_ComWriteAL_Exit:
 mov dword [static_field__Cosmos_Core_INTs_mLastKnownAddress], DebugStub_ComWriteAL_Exit
 Ret
diff --git a/source/Cosmos.Debug.DebugStub/SerialHelpers.xs b/source/Cosmos.Debug.DebugStub/SerialHelpers.xs
index 3d7151023..1394cf3b1 100644
--- a/source/Cosmos.Debug.DebugStub/SerialHelpers.xs
+++ b/source/Cosmos.Debug.DebugStub/SerialHelpers.xs
@@ -32,14 +32,16 @@ function ComRead32 {
 
 // Input: AL
 // Output: None
-// Modifies: EDX, ESI
+// Modifies: EDX
 function ComWriteAL {
-	+EAX
-    ESI = ESP
+	+ESI
+    +EAX	
+	ESI = ESP
     ComWrite8()
     // Is a local var, cant use Return(4). X// issues the return.
     // This also allows the function to preserve EAX.
     -EAX
+	-ESI
 }
 function ComWriteAX {
     // Input: AX