diff --git a/src/mame/drivers/hp9845.cpp b/src/mame/drivers/hp9845.cpp
index 685310442d8..c4f00df97b1 100644
--- a/src/mame/drivers/hp9845.cpp
+++ b/src/mame/drivers/hp9845.cpp
@@ -1098,14 +1098,14 @@ static MACHINE_CONFIG_START( hp9835a, hp9845_state )
 MACHINE_CONFIG_END
 
 static ADDRESS_MAP_START(global_mem_map , AS_PROGRAM , 16 , hp9845b_state)
-		ADDRESS_MAP_GLOBAL_MASK(0x3f7fff)
-		ADDRESS_MAP_UNMAP_LOW
-		AM_RANGE(0x000000 , 0x007fff) AM_RAM AM_SHARE("lpu_ram")
-		AM_RANGE(0x014000 , 0x017fff) AM_RAM AM_SHARE("ppu_ram")
-				AM_RANGE(0x020000 , 0x027fff) AM_RAM AM_SHARE("lpu_02_ram")
-		AM_RANGE(0x030000 , 0x037fff) AM_ROM AM_REGION("lpu" , 0)
-				AM_RANGE(0x040000 , 0x047fff) AM_RAM AM_SHARE("lpu_04_ram")
-		AM_RANGE(0x050000 , 0x057fff) AM_ROM AM_REGION("ppu" , 0)
+	ADDRESS_MAP_GLOBAL_MASK(0x3f7fff)
+	ADDRESS_MAP_UNMAP_LOW
+	AM_RANGE(0x000000 , 0x007fff) AM_RAM AM_SHARE("lpu_ram")
+	AM_RANGE(0x014000 , 0x017fff) AM_RAM AM_SHARE("ppu_ram")
+	AM_RANGE(0x020000 , 0x027fff) AM_RAM AM_SHARE("lpu_02_ram")
+	AM_RANGE(0x030000 , 0x037fff) AM_ROM AM_REGION("lpu" , 0)
+	AM_RANGE(0x040000 , 0x047fff) AM_RAM AM_SHARE("lpu_04_ram")
+	AM_RANGE(0x050000 , 0x057fff) AM_ROM AM_REGION("ppu" , 0)
 ADDRESS_MAP_END
 
 static ADDRESS_MAP_START(ppu_io_map , AS_IO , 16 , hp9845b_state)