diff --git a/src/mame/subsino/subsino.cpp b/src/mame/subsino/subsino.cpp
index ceade12bfa8..b53674bceda 100644
--- a/src/mame/subsino/subsino.cpp
+++ b/src/mame/subsino/subsino.cpp
@@ -226,6 +226,7 @@ To Do:
 #include "subsino_crypt.h"
 
 #include "cpu/z180/hd647180x.h"
+#include "cpu/z80/z80.h"
 #include "machine/i8255.h"
 #include "machine/nvram.h"
 #include "machine/ticket.h"
@@ -2988,7 +2989,10 @@ void subsino_state::newhunterd(machine_config &config)
 {
 	tisub(config);
 
+	Z80(config.replace(), m_maincpu, 6'000'000); // unknown clock
 	m_maincpu->set_addrmap(AS_PROGRAM, &subsino_state::newhunterd_map);
+
+	subdevice<screen_device>("screen")->screen_vblank().set_inputline(m_maincpu, 0, HOLD_LINE); // ? (needs some kind of source for IM 1 interrupt)
 }
 
 void subsino_state::stbsub(machine_config &config)