diff --git a/hash/mz2000_cass.xml b/hash/mz2000_cass.xml
index 123a6826c75..87dfca636d9 100644
--- a/hash/mz2000_cass.xml
+++ b/hash/mz2000_cass.xml
@@ -4,6 +4,28 @@
 
 <softwarelist name="mz2000_cass" description="MZ-2000 tape images">
 
+	<software name="mz1z001">
+		<description>BASIC MZ-1Z001 v1.0c</description>
+		<year>1982</year>
+		<publisher>Sharp</publisher>
+		<part name="cass1" interface="mz_cass">
+			<dataarea name="cass" size="26752">
+				<rom name="mz-1z001.mzt" size="19675" crc="1324490f" sha1="88e19a54011f2ab2a7a882302bcb98c03338a739" offset="0" status="baddump" />
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="mz1z002">
+		<description>BASIC MZ-1Z002 v1.0a</description>
+		<year>1982</year>
+		<publisher>Sharp</publisher>
+		<part name="cass1" interface="mz_cass">
+			<dataarea name="cass" size="26752">
+				<rom name="mz-1z002.mzt" size="23911" crc="1b2bd21d" sha1="c116b54abb4aac0cc32d000be287a10bf832e6ee" offset="0" status="baddump" />
+			</dataarea>
+		</part>
+	</software>
+
 	<software name="harvestc" supported="no">
 		<description>Harvest (Color?)</description>
 		<year>19??</year>