diff --git a/src/mame/drivers/raiden2.c b/src/mame/drivers/raiden2.c
index e96a29c475c..039628da719 100644
--- a/src/mame/drivers/raiden2.c
+++ b/src/mame/drivers/raiden2.c
@@ -198,12 +198,12 @@ WRITE16_MEMBER(raiden2_state::cop_dma_adr_rel_w)
 
 WRITE16_MEMBER(raiden2_state::cop_dma_v1_w)
 {
-	COMBINE_DATA(&cop_dma_v1[cop_dma_mode]);
+	COMBINE_DATA(&cop_dma_v1);
 }
 
 WRITE16_MEMBER(raiden2_state::cop_dma_v2_w)
 {
-	COMBINE_DATA(&cop_dma_v2[cop_dma_mode]);
+	COMBINE_DATA(&cop_dma_v2);
 }
 
 WRITE16_MEMBER(raiden2_state::cop_dma_dst_w)
@@ -304,7 +304,7 @@ WRITE16_MEMBER(raiden2_state::cop_dma_trigger_w)
 
 		for (i=address;i<address+length;i+=4)
 		{
-			space.write_dword(i, 0x0000); //TODO: fill value
+			space.write_dword(i, (cop_dma_v1) | (cop_dma_v2 << 16)); //TODO: fill value
 		}
 	}
 	}
diff --git a/src/mame/includes/raiden2.h b/src/mame/includes/raiden2.h
index 107d53f9df1..95ae5c84fe7 100644
--- a/src/mame/includes/raiden2.h
+++ b/src/mame/includes/raiden2.h
@@ -67,6 +67,9 @@ public:
 	DECLARE_READ16_MEMBER( raiden2_sound_comms_r );
 	DECLARE_WRITE16_MEMBER( raiden2_sound_comms_w );
 
+	DECLARE_WRITE16_MEMBER( test_w );
+
+
 	void common_reset();
 
 	tilemap_t *background_layer,*midground_layer,*foreground_layer,*text_layer;
@@ -79,7 +82,7 @@ public:
 	UINT32 cop_regs[8], cop_itoa;
 	UINT16 cop_status, cop_scale, cop_itoa_digit_count, cop_angle, cop_dist;
 	UINT8 cop_itoa_digits[10];
-	UINT16 cop_dma_mode, cop_dma_src[0x200], cop_dma_dst[0x200], cop_dma_size[0x200], cop_dma_v1[0x200], cop_dma_v2[0x200], cop_dma_adr_rel;
+	UINT16 cop_dma_mode, cop_dma_src[0x200], cop_dma_dst[0x200], cop_dma_size[0x200], cop_dma_v1, cop_dma_v2, cop_dma_adr_rel;
 	UINT16 sprites_cur_start;
 
 	UINT16 cop_func_trigger[0x100/8];		/* function trigger */