From f462528afb4d4ed1f48b18ac773ca246126d16b7 Mon Sep 17 00:00:00 2001
From: Sjoerd van der Berg <harekiet@users.sourceforge.net>
Date: Thu, 13 Mar 2003 21:21:36 +0000
Subject: [PATCH] Some extra ports in the dma range return values. Added a
 warning for illegal ports written to.

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@761
---
 src/hardware/dma.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/hardware/dma.cpp b/src/hardware/dma.cpp
index c102116e..9f9e61b0 100644
--- a/src/hardware/dma.cpp
+++ b/src/hardware/dma.cpp
@@ -96,9 +96,13 @@ static Bit8u read_dma(Bit32u port) {
 		ret=cont->status_reg;
 		cont->status_reg&=0xf;	/* Clear lower 4 bits on read */
 		break;
-
+	case 0x0a:	
+	case 0x0e:
+		/* Seem to return 0 on a real controller */
+		ret=0x0;
+		break;
 	default:
-		LOG(LOG_ERROR,"DMA:Unhandled read from %d",port);
+		LOG(LOG_ERROR,"DMA:Unhandled read from %X",port);
 	}
 	return ret;
 }
@@ -162,7 +166,9 @@ static void write_dma(Bit32u port,Bit8u val) {
 	case 0x0c:	/* Clear Flip/Flip */
 		cont->flipflop=true;
 		break;
-	};
+	default:
+		LOG(LOG_ERROR,"DMA:Unhandled write %X to %X",val,port);
+	};	
 };