diff --git a/zsnes/src/cpu/dma.asm b/zsnes/src/cpu/dma.asm
index 7a24dca3..bb72948f 100644
--- a/zsnes/src/cpu/dma.asm
+++ b/zsnes/src/cpu/dma.asm
@@ -785,8 +785,6 @@ NEWSYM reg420Cw
     mov [nexthdma],al
     cmp al,0
     je near .nohdma
-    test al,80h
-    ja near .nohdma
     push ebx
     push esi
     push edi
diff --git a/zsnes/src/init.asm b/zsnes/src/init.asm
index 446cd1da..c53aab03 100644
--- a/zsnes/src/init.asm
+++ b/zsnes/src/init.asm
@@ -1615,6 +1615,17 @@ NEWSYM headerhack
     mov byte[opexec358],187
 .notds9
 
+    mov esi,[romdata]
+    add esi,0FFC0h
+    cmp dword[esi],'Baha'
+    jne .notbahamutlagoon
+    cmp dword[esi+4],'mut '
+    jne .notbahamutlagoon
+    cmp dword[esi+8],'Lago'
+    jne .notbahamutlagoon
+    mov byte[disablehdma],1
+.notbahamutlagoon
+
     mov esi,[romdata]
     add esi,07FC0h
     cmp dword[esi],'MORT'