diff --git a/src/mame/drivers/dassault.c b/src/mame/drivers/dassault.c
index 1d6c9f4b2d2..d868b6e15ae 100644
--- a/src/mame/drivers/dassault.c
+++ b/src/mame/drivers/dassault.c
@@ -450,34 +450,11 @@ WRITE8_MEMBER(dassault_state::sound_bankswitch_w)
 
 /**********************************************************************************/
 
-static int dassault_bank_callback( const int bank )
+int dassault_state::dassault_bank_callback( const int bank )
 {
 	return ((bank >> 4) & 0xf) << 12;
 }
 
-static const deco16ic_interface dassault_deco16ic_tilegen1_intf =
-{
-	0, 1,
-	0x0f, 0x0f, /* trans masks (default values) */
-	0, 16, /* color base (default values) */
-	0x0f, 0x0f, /* color masks (default values) */
-	dassault_bank_callback,
-	dassault_bank_callback,
-	0,1,
-};
-
-static const deco16ic_interface dassault_deco16ic_tilegen2_intf =
-{
-	0, 1,
-	0x0f, 0x0f, /* trans masks (default values) */
-	0, 16, /* color base (default values) */
-	0x0f, 0x0f, /* color masks (default values) */
-	dassault_bank_callback,
-	dassault_bank_callback,
-	0,2,
-};
-
-
 static MACHINE_CONFIG_START( dassault, dassault_state )
 
 	/* basic machine hardware */
@@ -513,11 +490,37 @@ static MACHINE_CONFIG_START( dassault, dassault_state )
 	MCFG_DECOCOMN_ADD("deco_common")
 	MCFG_DECOCOMN_PALETTE("palette")
 
-	MCFG_DECO16IC_ADD("tilegen1", dassault_deco16ic_tilegen1_intf)
+	MCFG_DEVICE_ADD("tilegen1", DECO16IC, 0)
+	MCFG_DECO16IC_SPLIT(0)
+	MCFG_DECO16IC_WIDTH12(1)
+	MCFG_DECO16IC_PF1_TRANS_MASK(0x0f)
+	MCFG_DECO16IC_PF2_TRANS_MASK(0x0f)
+	MCFG_DECO16IC_PF1_COL_BANK(0)
+	MCFG_DECO16IC_PF2_COL_BANK(16)
+	MCFG_DECO16IC_PF1_COL_MASK(0x0f)
+	MCFG_DECO16IC_PF2_COL_MASK(0x0f)
+	MCFG_DECO16IC_BANK1_CB(dassault_state, dassault_bank_callback)
+	MCFG_DECO16IC_BANK2_CB(dassault_state, dassault_bank_callback)
+	MCFG_DECO16IC_PF12_8X8_BANK(0)
+	MCFG_DECO16IC_PF12_16X16_BANK(1)
+
 	MCFG_DECO16IC_GFXDECODE("gfxdecode")
 	MCFG_DECO16IC_PALETTE("palette")
 
-	MCFG_DECO16IC_ADD("tilegen2", dassault_deco16ic_tilegen2_intf)
+	MCFG_DEVICE_ADD("tilegen2", DECO16IC, 0)
+	MCFG_DECO16IC_SPLIT(0)
+	MCFG_DECO16IC_WIDTH12(1)
+	MCFG_DECO16IC_PF1_TRANS_MASK(0x0f)
+	MCFG_DECO16IC_PF2_TRANS_MASK(0x0f)
+	MCFG_DECO16IC_PF1_COL_BANK(0)
+	MCFG_DECO16IC_PF2_COL_BANK(16)
+	MCFG_DECO16IC_PF1_COL_MASK(0x0f)
+	MCFG_DECO16IC_PF2_COL_MASK(0x0f)
+	MCFG_DECO16IC_BANK1_CB(dassault_state, dassault_bank_callback)
+	MCFG_DECO16IC_BANK2_CB(dassault_state, dassault_bank_callback)
+	MCFG_DECO16IC_PF12_8X8_BANK(0)
+	MCFG_DECO16IC_PF12_16X16_BANK(2)
+	
 	MCFG_DECO16IC_GFXDECODE("gfxdecode")
 	MCFG_DECO16IC_PALETTE("palette")
 
diff --git a/src/mame/includes/dassault.h b/src/mame/includes/dassault.h
index 4d2d9c5897f..59bebc7c605 100644
--- a/src/mame/includes/dassault.h
+++ b/src/mame/includes/dassault.h
@@ -70,4 +70,5 @@ public:
 	virtual void video_start();
 	UINT32 screen_update_dassault(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
 	void mixdassaultlayer(bitmap_rgb32 &bitmap, bitmap_ind16* sprite_bitmap, const rectangle &cliprect, UINT16 pri, UINT16 primask, UINT16 penbase, UINT8 alpha);
+	int dassault_bank_callback( const int bank );
 };
diff --git a/src/mame/video/deco16ic.h b/src/mame/video/deco16ic.h
index 3ea075a862f..784b22a9c88 100644
--- a/src/mame/video/deco16ic.h
+++ b/src/mame/video/deco16ic.h
@@ -162,10 +162,6 @@ extern const device_type DECO16IC;
     DEVICE CONFIGURATION MACROS
 ***************************************************************************/
 
-#define MCFG_DECO16IC_ADD(_tag, _interface) \
-	MCFG_DEVICE_ADD(_tag, DECO16IC, 0) \
-	MCFG_DEVICE_CONFIG(_interface)
-
 #define MCFG_DECO16IC_SET_SCREEN MCFG_VIDEO_SET_SCREEN
 
 #define MCFG_DECO16IC_BANK1_CB(_class, _method) \