diff --git a/src/mame/drivers/legionna.c b/src/mame/drivers/legionna.c
index 85f50473d45..aa41c6793a8 100644
--- a/src/mame/drivers/legionna.c
+++ b/src/mame/drivers/legionna.c
@@ -122,9 +122,9 @@ static ADDRESS_MAP_START( legionna_cop_mem, AS_PROGRAM, 16, legionna_state )
 	AM_RANGE(0x1004a0, 0x1004ad) AM_DEVREADWRITE("raiden2cop", raiden2cop_device, cop_reg_high_r, cop_reg_high_w)
 	AM_RANGE(0x1004c0, 0x1004cd) AM_DEVREADWRITE("raiden2cop", raiden2cop_device, cop_reg_low_r, cop_reg_low_w)
 //	AM_RANGE(0x100500, 0x100505) AM_WRITE(cop_cmd_w)
-//	AM_RANGE(0x100580, 0x100581) AM_READ(cop_collision_status_r)
+	AM_RANGE(0x100580, 0x100581) AM_DEVREAD("raiden2cop", raiden2cop_device, cop_collision_status_r)
 //	AM_RANGE(0x100582, 0x100587) AM_READ(cop_collision_status_val_r)
-//	AM_RANGE(0x100588, 0x100589) AM_READ(cop_collision_status_stat_r)
+	AM_RANGE(0x100588, 0x100589) AM_DEVREAD("raiden2cop", raiden2cop_device, cop_collision_status_stat_r)
 	AM_RANGE(0x100590, 0x100599) AM_DEVREAD("raiden2cop", raiden2cop_device, cop_itoa_digits_r)
 
 	AM_RANGE(0x1005a0, 0x1005a7) AM_DEVREAD("raiden2cop", raiden2cop_device, cop_prng_r)
diff --git a/src/mame/machine/raiden2cop.c b/src/mame/machine/raiden2cop.c
index f96127753ee..13b0232fdcb 100644
--- a/src/mame/machine/raiden2cop.c
+++ b/src/mame/machine/raiden2cop.c
@@ -624,6 +624,7 @@ WRITE16_MEMBER(raiden2cop_device::cop_dma_trigger_w)
 // according to score display in  https://www.youtube.com/watch?v=T1M8sxYgt9A 
 // we should return 0x30 for unused digits? according to Raiden 2 and Zero
 // Team the value should be 0x20, can this be configured?
+// grainbow doesn't like this implementation at all (21 credits, 2 digit high scores etc.)
 WRITE16_MEMBER(raiden2cop_device::cop_itoa_low_w)
 {
 	cop_itoa = (cop_itoa & ~UINT32(mem_mask)) | (data & mem_mask);
diff --git a/src/mame/machine/seicop.c b/src/mame/machine/seicop.c
index 1d444174b94..56107a79d64 100644
--- a/src/mame/machine/seicop.c
+++ b/src/mame/machine/seicop.c
@@ -1601,11 +1601,9 @@ const device_type SEIBU_COP_LEGACY = &device_creator<seibu_cop_legacy_device>;
 seibu_cop_legacy_device::seibu_cop_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
 	: device_t(mconfig, SEIBU_COP_LEGACY, "Seibu COP Legacy", tag, owner, clock, "seibu_cop_legacy", __FILE__),
 	m_cop_mcu_ram(NULL),
-	m_copd2_offs(0),
 	m_cop_hit_val_x(0),
 	m_cop_hit_val_y(0),
 	m_cop_hit_val_z(0),
-	m_cop_hit_val_unk(0),
 	m_legacycop_angle_compare(0),
 	m_legacycop_angle_mod_val(0),
 	m_r0(0),
@@ -1645,11 +1643,9 @@ void seibu_cop_legacy_device::device_start()
 	m_cop_mcu_ram = reinterpret_cast<UINT16 *>(machine().root_device().memshare("cop_mcu_ram")->ptr());
 
 
-	save_item(NAME(m_copd2_offs));
 	save_item(NAME(m_cop_hit_val_x));
 	save_item(NAME(m_cop_hit_val_y));
 	save_item(NAME(m_cop_hit_val_z));
-	save_item(NAME(m_cop_hit_val_unk));
 	save_item(NAME(m_legacycop_angle_compare));
 	save_item(NAME(m_legacycop_angle_mod_val));
 	save_item(NAME(m_r0));
@@ -2022,7 +2018,7 @@ UINT8 seibu_cop_legacy_device::cop_calculate_collsion_detection()
 	m_cop_hit_val_x = (m_cop_collision_info[0].x - m_cop_collision_info[1].x) >> 16;
 	m_cop_hit_val_y = (m_cop_collision_info[0].y - m_cop_collision_info[1].y) >> 16;
 	m_cop_hit_val_z = 1;
-	m_cop_hit_val_unk = res; // TODO: there's also bit 2 and 3 triggered in the tests, no known meaning
+	m_raiden2cop->cop_hit_val_stat = res; // TODO: there's also bit 2 and 3 triggered in the tests, no known meaning
 
 	//popmessage("%d %d %04x %04x %04x %04x",m_cop_hit_val_x,m_cop_hit_val_y,m_cop_collision_info[0].hitbox_x,m_cop_collision_info[0].hitbox_y,m_cop_collision_info[1].hitbox_x,m_cop_collision_info[1].hitbox_y);
 
@@ -2054,8 +2050,6 @@ READ16_MEMBER( seibu_cop_legacy_device::generic_cop_r )
 		case 0x186/2:
 			return (m_cop_hit_val_z);
 
-		case 0x188/2:
-			return m_cop_hit_val_unk;
 
 
 
diff --git a/src/mame/machine/seicop.h b/src/mame/machine/seicop.h
index 79eb6aac353..d589d0af98d 100644
--- a/src/mame/machine/seicop.h
+++ b/src/mame/machine/seicop.h
@@ -42,8 +42,7 @@ private:
 
 
 
-	UINT16 m_copd2_offs;
-	INT16 m_cop_hit_val_x,m_cop_hit_val_y,m_cop_hit_val_z,m_cop_hit_val_unk;
+	INT16 m_cop_hit_val_x,m_cop_hit_val_y,m_cop_hit_val_z;
 	INT8 m_legacycop_angle_compare;
 	INT8 m_legacycop_angle_mod_val;
 	struct collision_info m_cop_collision_info[2];