diff --git a/hash/rx78_cart.xml b/hash/rx78_cart.xml
index ea7c1aadf61..9405a86b22c 100644
--- a/hash/rx78_cart.xml
+++ b/hash/rx78_cart.xml
@@ -133,6 +133,18 @@ The monitor will expect you to load a program from cassette.
+
+ Excite Baseball
+ 1983
+ Bandai
+
+
+
+
+
+
+
+
Mobile Suit Gundam
1983
@@ -161,7 +173,7 @@ The monitor will expect you to load a program from cassette.
Sekigahara
1983
Bandai
-
+
@@ -185,6 +197,19 @@ The monitor will expect you to load a program from cassette.
+
+ Space Enemy
+ 1983
+ Bandai
+
+
+
+
+
+
+
+
+
The Prowrestling
1983
@@ -201,6 +226,7 @@ The monitor will expect you to load a program from cassette.
Ultraman
1983
Bandai
+
diff --git a/src/mame/drivers/rx78.cpp b/src/mame/drivers/rx78.cpp
index ac6c5a768ea..0127e0cb613 100644
--- a/src/mame/drivers/rx78.cpp
+++ b/src/mame/drivers/rx78.cpp
@@ -57,6 +57,14 @@ Summary of Monitor commands.
using handshaking similar to a centronics printer. The incoming file is loaded into
memory and it appears that the operator is not provided any information of what happened.
+==============================================================================================================
+
+Known issues:
+- Excite baseball: Graphics issues, unplayable
+- Sekigahara: Joystick problem
+- Mobile Gundam: Bad sound at the intro screen
+- Champion Racer: Graphics and Colour.
+
*************************************************************************************************************/
#include "emu.h"