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-rw-r--r--src/mame/drivers/suprnova.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mame/drivers/suprnova.cpp b/src/mame/drivers/suprnova.cpp
index 26ba609052d..5d6bad2b73b 100644
--- a/src/mame/drivers/suprnova.cpp
+++ b/src/mame/drivers/suprnova.cpp
@@ -744,6 +744,7 @@ void skns_state::skns_map(address_map &map)
map(0x02f00000, 0x02f000ff).rw(FUNC(skns_state::hit_r), FUNC(skns_state::hit_w));
map(0x04000000, 0x041fffff).bankr("bank1"); /* GAME ROM */
map(0x04800000, 0x0483ffff).ram().w(FUNC(skns_state::v3t_w)).share("v3t_ram"); /* tilemap b ram based tiles */
+ map(0x05000000, 0x05000003).nopw(); /* watchdog, probably. Always writes 0 */
map(0x06000000, 0x060fffff).ram().share("main_ram");
map(0xc0000000, 0xc0000fff).ram().share("cache_ram"); /* 'cache' RAM */
}