diff --git a/src/emu/cpu/h8/h8.c b/src/emu/cpu/h8/h8.c
index 38b2e8e0da1..3a7a3c27789 100644
--- a/src/emu/cpu/h8/h8.c
+++ b/src/emu/cpu/h8/h8.c
@@ -114,8 +114,14 @@ void h8_device::device_start()
 	save_item(NAME(EXR));
 	save_item(NAME(CCR));
 	save_item(NAME(TMP1));
+	save_item(NAME(TMP2));
 	save_item(NAME(inst_state));
 	save_item(NAME(inst_substate));
+	save_item(NAME(irq_vector));
+	save_item(NAME(taken_irq_vector));
+	save_item(NAME(irq_level));
+	save_item(NAME(taken_irq_level));
+	save_item(NAME(irq_nmi));
 
 	m_icountptr = &icount;