diff --git a/src/mame/drivers/toypop.cpp b/src/mame/drivers/toypop.cpp
index 6dfdb4028cf..eb9f4038fe5 100644
--- a/src/mame/drivers/toypop.cpp
+++ b/src/mame/drivers/toypop.cpp
@@ -610,8 +610,7 @@ static MACHINE_CONFIG_START( liblrabl, namcos16_state )
  	MCFG_CPU_ADD("audiocpu", M6809, MASTER_CLOCK/4)
 	MCFG_CPU_PROGRAM_MAP(sound_map)
  	MCFG_CPU_PERIODIC_INT_DRIVER(namcos16_state,  irq0_line_hold, 60)
-	
-	
+
 
  	MCFG_DEVICE_ADD("58xx", NAMCO58XX, 0)
 	MCFG_NAMCO58XX_IN_0_CB(IOPORT("COINS"))
@@ -632,10 +631,7 @@ static MACHINE_CONFIG_START( liblrabl, namcos16_state )
 	MCFG_NAMCO56XX_IN_3_CB(IOPORT("SERVICE"))
 
 	MCFG_SCREEN_ADD("screen", RASTER)
-	MCFG_SCREEN_REFRESH_RATE(60.606060)
-	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
-	MCFG_SCREEN_SIZE(36*8, 32*8)
-	MCFG_SCREEN_VISIBLE_AREA(0*8, 36*8-1, 0*8, 32*8-1)
+	MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK,384,0,288,264,0,224) // derived from Galaxian HW, 60.606060
 	MCFG_SCREEN_UPDATE_DRIVER(namcos16_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")