diff --git a/hash/coco_cass.xml b/hash/coco_cass.xml
new file mode 100755
index 0000000000000..340384ecf3994
--- /dev/null
+++ b/hash/coco_cass.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0"?>
+<!DOCTYPE softwarelist SYSTEM "softwarelist.dtd">
+<!--
+license:CC0-1.0
+-->
+
+<softwarelist name="coco_cass" description="Tandy Radio Shack Color Computer cassette images">
+
+        <!-- known issue: ?OM ERROR IN 20 after running BASIC bootloader (workaround: use disk verison) -->
+        <software name="grover">
+                <description>Grover's Number Rover</description>
+                <year>1983</year>
+                <publisher>Children's Television Workshop</publisher>
+                <info name="developer" value="Children's Computer Workshop" />
+                <info name="usage" value="CLOAD:RUN" />
+                <sharedfeat name="compatibility" value="COCO,COCO3" />
+                <part name="cass" interface="coco_cass">
+                        <dataarea name="cass" size="19025">
+                                <rom name="Grover's Number Rover (CCW).cas" size="19025" crc="8fdf686b" sha1="f200645c9292a99e7aaac82e766c299db0d18263" />
+                        </dataarea>
+                </part>
+        </software>
+
+        <software name="ssleuth">
+                <description>Sam Sleuth</description>
+                <year>1984</year>
+                <publisher>Computerware</publisher>
+                <info name="author" value="Steve Hartford" />
+                <info name="usage" value="CLOADM:EXEC" />
+                <sharedfeat name="compatibility" value="COCO,COCO3" />
+                <part name="cass1" interface="coco_cass">
+                        <dataarea name="cass" size="17581">
+                                <rom name="Sam Sleuth (part 1) (Computerware).cas" size="17581" crc="8f18ddc8" sha1="430901b403fbcb76820cc54a870dbd3d9f0d1dde" />
+                        </dataarea>
+                </part>
+                <part name="cass2" interface="coco_cass">
+                        <dataarea name="cass" size="27275">
+                                <rom name="Sam Sleuth (part 2) (Computerware).cas" size="27275" crc="f33b0e55" sha1="9b2b7550ee5eeaa8ff17c7e3430805d692968a65" />
+                        </dataarea>
+                </part>
+        </software>
+
+        <software name="zaxxon">
+                <description>Zaxxon</description>
+                <year>1983</year>
+                <publisher>Datasoft</publisher>
+                <info name="author" value="Steve Bjork" />
+                <info name="usage" value="CLOADM:EXEC" />
+                <sharedfeat name="compatibility" value="COCO,COCO3" />
+                <part name="cass1" interface="coco_cass">
+                        <dataarea name="cass" size="17319">
+                                <rom name="Zaxxon (Datasoft).cas" size="17319" crc="0b4af649" sha1="cbbe28a4e295232c629b6734a6df5fc838aefcfb" />
+                        </dataarea>
+                </part>
+                <part name="cass2" interface="coco_cass">
+                        <dataarea name="cass" size="895764">
+                                <rom name="Zaxxon (Datasoft).wav" size="895764" crc="00483372" sha1="daaf85bc0e8581c1bf3ec059cdf84983b720ba1c" />
+                        </dataarea>
+                </part>
+        </software>
+
+        <software name="zonx">
+                <description>Zonx (The Rainbow)</description>
+                <year>1985</year>
+                <publisher>Falsoft</publisher>
+                <info name="author" value="David Billen" />
+                <info name="usage" value="CLOADM:EXEC" />
+                <sharedfeat name="compatibility" value="COCO,COCO3" />
+                <part name="cass" interface="coco_cass">
+                        <dataarea name="cass" size="2993">
+                                <rom name="Zonx (The Rainbow).cas" size="2993" crc="8facc668" sha1="7c949bd685a5db980dda034237564d6956654995" />
+                        </dataarea>
+                </part>
+        </software>
+
+</softwarelist>
diff --git a/src/mame/trs/coco12.cpp b/src/mame/trs/coco12.cpp
index 66f019df17107..48844912b826d 100644
--- a/src/mame/trs/coco12.cpp
+++ b/src/mame/trs/coco12.cpp
@@ -563,6 +563,7 @@ void coco12_state::coco(machine_config &config)
 
 	// software lists
 	SOFTWARE_LIST(config, "coco_cart_list").set_original("coco_cart").set_filter("COCO");
+	SOFTWARE_LIST(config, "coco_cass_list").set_original("coco_cass").set_filter("COCO");
 	SOFTWARE_LIST(config, "coco_flop_list").set_original("coco_flop").set_filter("COCO");
 	SOFTWARE_LIST(config, "dragon_cart_list").set_compatible("dragon_cart");
 
diff --git a/src/mame/trs/coco3.cpp b/src/mame/trs/coco3.cpp
index d3dae6e1711d0..4c87789658902 100644
--- a/src/mame/trs/coco3.cpp
+++ b/src/mame/trs/coco3.cpp
@@ -328,7 +328,7 @@ void coco3_state::coco3(machine_config &config)
 
 	// software lists
 	SOFTWARE_LIST(config, "cart_list").set_original("coco_cart").set_filter("COCO3");
-
+	SOFTWARE_LIST(config, "cass_list").set_original("coco_cass").set_filter("COCO3");
 	SOFTWARE_LIST(config, "flop_list").set_original("coco_flop").set_filter("COCO3");
 }