X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.plugin.core%2Fsrc%2Fnet%2Fmograsim%2Fplugin%2Flaunch%2FMainMemoryBlockExtension.java;h=5d4cf5decbf235156c6c86d12cea0669c1f2aa7b;hb=13577856cd85c46f2cd4ad956332697bc820f425;hp=7e517ca5d80109f3f7842d63f9255794f3090662;hpb=5554190520b28abe140eeb26775cfd1452bb69df;p=Mograsim.git

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MainMemoryBlockExtension.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MainMemoryBlockExtension.java
index 7e517ca5..5d4cf5de 100644
--- a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MainMemoryBlockExtension.java
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MainMemoryBlockExtension.java
@@ -72,7 +72,7 @@ public class MainMemoryBlockExtension extends PlatformObject implements IMemoryB
 
 		if (baseAddrWords.compareTo(minAddrWords) < 0 || baseAddrWords.compareTo(maxAddrWords) > 0)
 			throwDebugException("Base address out of range");
-		if (baseAddrWords.add(lengthWords).compareTo(maxAddrWords) > 0)
+		if (baseAddrWords.add(lengthWords).subtract(BigInteger.ONE).compareTo(maxAddrWords) > 0)
 			throwDebugException("End address out of range");
 
 		this.clients = new HashSet<>();
@@ -195,7 +195,7 @@ public class MainMemoryBlockExtension extends PlatformObject implements IMemoryB
 	@Override
 	public int getAddressSize() throws DebugException
 	{
-		return Long.BYTES;
+		return (getBigLength().bitLength() + 7) / 8;
 	}
 
 	@Override