diff --git a/roms/SHARP_MZ80A_RFS_IMAGE_0.img b/roms/SHARP_MZ80A_RFS_IMAGE_0.img
index 3a2082d..a428e2a 100644
Binary files a/roms/SHARP_MZ80A_RFS_IMAGE_0.img and b/roms/SHARP_MZ80A_RFS_IMAGE_0.img differ
diff --git a/roms/monitor_1Z-009B.rom b/roms/monitor_1Z-009B.rom
new file mode 100755
index 0000000..5093802
Binary files /dev/null and b/roms/monitor_1Z-009B.rom differ
diff --git a/tools/make_roms.sh b/tools/make_roms.sh
index f7eab5b..6f2b8db 100755
--- a/tools/make_roms.sh
+++ b/tools/make_roms.sh
@@ -59,7 +59,8 @@ rm -f ${ROM_LIST_FILE}
 # Place the monitor roms into the MROM at the beginning for banked page usage.
 echo "cat ${ROM_PATH}/monitor_sa1510.rom ${ROM_PATH}/monitor_80c_sa1510.rom  ${ROM_PATH}/cbios.rom ${ROM_PATH}/rfs_mrom.rom ${ROM_PATH}/monitor_1z-013a.rom ${ROM_PATH}/monitor_80c_1z-013a.rom ${ROM_PATH}/ipl.rom ${ROM_PATH}/blank_mrom.rom > /tmp/mrom.rom"
 #cat ${ROM_PATH}/monitor_sa1510.rom ${ROM_PATH}/monitor_80c_sa1510.rom \
-cat ${ROM_PATH}/monitor_1Z-013A.rom ${ROM_PATH}/monitor_1Z-013A.rom \
+#cat ${ROM_PATH}/monitor_1Z-013A.rom ${ROM_PATH}/monitor_1Z-013A.rom \
+cat ${ROM_PATH}/monitor_1Z-009B.rom ${ROM_PATH}/monitor_1Z-009B.rom \
     ${ROM_PATH}/cbios.rom ${ROM_PATH}/rfs_mrom.rom \
     ${ROM_PATH}/monitor_1z-013a.rom ${ROM_PATH}/monitor_80c_1z-013a.rom \
     ${ROM_PATH}/ipl.rom ${ROM_PATH}/blank_mrom.rom \