diff --git a/.gitattributes b/.gitattributes
index f6990098091..ebf62014f94 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -131,6 +131,7 @@ hash/m5.xml svneol=native#text/xml
 hash/mac_flop.xml svneol=native#text/xml
 hash/mac_hdd.xml svneol=native#text/xml
 hash/mbc55x.xml svneol=native#text/xml
+hash/mc1502_flop.xml svneol=native#text/xml
 hash/megacd.xml svneol=native#text/xml
 hash/megacdj.xml svneol=native#text/xml
 hash/megadriv.xml svneol=native#text/xml
diff --git a/hash/mc1502_flop.xml b/hash/mc1502_flop.xml
new file mode 100644
index 00000000000..1a83ad733ba
--- /dev/null
+++ b/hash/mc1502_flop.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0"?>
+<!DOCTYPE softwarelist SYSTEM "softwarelist.dtd">
+<!--
+  XXX
+  <software name="XXX">
+		<description>XXX</description>
+		<year>19??</year>
+		<publisher>NPO Microprocessor</publisher>
+		<part name="flop1" interface="floppy_5_25">
+			<dataarea name="flop" size="368640">
+			</dataarea>
+		</part>
+	</software>
+	XXX
+-->
+<softwarelist name="mc1502_flop" description="MC 1502 disk images">
+
+	<software name="sfdos">
+		<description>Sigma Four DOS (modified MS-DOS x.xx)</description>
+		<year>19??</year>
+		<publisher>Sigma Four</publisher>
+		<part name="flop1" interface="floppy_5_25">
+			<dataarea name="flop" size="737280">
+				<rom name="sigma-four-dos.ima" size="737280" sha1="d354bdcb4d5480e0cc8245a2c3c2fd61ada701ed" crc="ad8008ec" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="ots">
+		<description>One Track System (alternate OS)</description>
+		<year>19??</year>
+		<publisher>MMV</publisher>
+		<part name="flop1" interface="floppy_5_25">
+			<dataarea name="flop" size="737280">
+				<rom name="one-track-system.ima" size="737280" sha1="d7cdb37c00580fe9b4595bac1db588687d187590" crc="33831462" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
+</softwarelist>
diff --git a/src/mess/drivers/pc.c b/src/mess/drivers/pc.c
index d0ace1dbaef..ad6a22026b7 100644
--- a/src/mess/drivers/pc.c
+++ b/src/mess/drivers/pc.c
@@ -895,6 +895,10 @@ static SLOT_INTERFACE_START( asst128_floppies )
 		SLOT_INTERFACE( "525ssqd", FLOPPY_525_SSQD )
 SLOT_INTERFACE_END
 
+static SLOT_INTERFACE_START( mc1502_floppies )
+		SLOT_INTERFACE( "525qd", FLOPPY_525_QD )
+SLOT_INTERFACE_END
+
 SLOT_INTERFACE_START(ibm5150_com)
 	SLOT_INTERFACE("microsoft_mouse", MSFT_SERIAL_MOUSE)
 	SLOT_INTERFACE("mouse_systems_mouse", MSYSTEM_SERIAL_MOUSE)
@@ -1411,8 +1415,11 @@ static MACHINE_CONFIG_START( mc1502, pc_state )
 	MCFG_CASSETTE_ADD( "cassette", mc1502_cassette_interface )    // has no motor control
 
 	MCFG_FD1793x_ADD("vg93", XTAL_16MHz / 16)
-	MCFG_FLOPPY_DRIVE_ADD("fd0", ibmpc_floppies, "525dd", 0, pc_state::floppy_formats)
-	MCFG_FLOPPY_DRIVE_ADD("fd1", ibmpc_floppies, "525dd", 0, pc_state::floppy_formats)
+	MCFG_FLOPPY_DRIVE_ADD("fd0", mc1502_floppies, "525qd", 0, pc_state::floppy_formats)
+	MCFG_FLOPPY_DRIVE_ADD("fd1", mc1502_floppies, "525qd", 0, pc_state::floppy_formats)
+
+	MCFG_SOFTWARE_LIST_ADD("flop_list","mc1502_flop")
+//	MCFG_SOFTWARE_LIST_ADD("cass_list","mc1502_cass")
 
 	/* internal ram */
 	MCFG_RAM_ADD(RAM_TAG)