From 9acfc0e4fb043413abbc2f6bd2f5d6d6678e7cbd Mon Sep 17 00:00:00 2001
From: Ove Kaaven <ovek@arcticnet.no>
Date: Wed, 20 Jan 1999 12:45:32 +0000
Subject: [PATCH] Clear DOS extended error only for funcs >=0x2f (thanks to
 Dave Pickles).

---
 msdos/int21.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/msdos/int21.c b/msdos/int21.c
index 809d71073b..0abd60ab32 100644
--- a/msdos/int21.c
+++ b/msdos/int21.c
@@ -1092,7 +1092,10 @@ void WINAPI DOS3Call( CONTEXT *context )
 	AH_reg(context) = AL_reg(context);
     }
 
-    DOS_ERROR( 0, 0, 0, 0 );
+    if (AH_reg(context)>=0x2f) {
+        /* extended error is used by (at least) functions 0x2f to 0x62 */
+        DOS_ERROR( 0, 0, 0, 0 );
+    }
     RESET_CFLAG(context);  /* Not sure if this is a good idea */
 
     switch(AH_reg(context))