Some cleanups... (nw)

src/mame/drivers/galaxi.cpp

@@ -1,10 +1,12 @@
 // license:BSD-3-Clause
-// copyright-holders:Luca Elia
+// copyright-holders:Luca Elia,Roberto Fresca
 /***************************************************************************
 
   Galaxi (C)2000 B.R.L.
 
-driver by Luca Elia
+  Driver by Luca Elia.
+  Additional work by Roberto Fresca.
+
 
   Hardware info (29/07/2008 f205v):
 
@@ -27,20 +29,13 @@ Notes:
 
   - This hardware is almost identical to that in magic10.c
 
-
+  CPU is a MC68000P10, from the other games boards...
-[31/08/2008] (Roberto Fresca)
-
-- Added Magic Joker.
-- Fixed the 3rd background offset to Galaxi.
-- Remapped inputs to match the standard poker games.
-
-[12/09/2008] (Roberto Fresca)
-
-- Added lamps support to magjoker & galaxi.
-
 
 ***************************************************************************/
 
+#define CPU_CLOCK       (XTAL_10MHz)
+#define SND_CLOCK       (XTAL_16MHz)/16
+
 #include "emu.h"
 #include "cpu/m68000/m68000.h"
 #include "sound/okim6295.h"
@@ -229,7 +224,7 @@ UINT32 galaxi_state::screen_update_galaxi(screen_device &screen, bitmap_ind16 &b
 }
 
 /***************************************************************************
-                            Memory Maps
+                               Handlers
 ***************************************************************************/
 
 void galaxi_state::show_out(  )
@@ -295,6 +290,10 @@ CUSTOM_INPUT_MEMBER(galaxi_state::hopper_r)
 }
 
 
+/***************************************************************************
+                            Memory Maps
+***************************************************************************/
+
 static ADDRESS_MAP_START( galaxi_map, AS_PROGRAM, 16, galaxi_state )
 	AM_RANGE(0x000000, 0x03ffff) AM_ROM
 
@@ -343,6 +342,7 @@ static ADDRESS_MAP_START( lastfour_map, AS_PROGRAM, 16, galaxi_state )
 	AM_RANGE(0x600000, 0x607fff) AM_RAM AM_SHARE("nvram")   // 2x DS1230Y (non volatile SRAM)
 ADDRESS_MAP_END
 
+
 /***************************************************************************
                                 Input Ports
 ***************************************************************************/
@@ -389,7 +389,7 @@ INPUT_PORTS_END
 
 
 /***************************************************************************
-                               Graphics Layout
+                      Graphics Layout & Graphics Decode
 ***************************************************************************/
 
 static const gfx_layout layout_8x8x4 =
@@ -421,7 +421,7 @@ GFXDECODE_END
 
 
 /***************************************************************************
-                              Machine Drivers
+                           Machine Start & Reset
 ***************************************************************************/
 
 void galaxi_state::machine_start()
@@ -438,10 +438,14 @@ void galaxi_state::machine_reset()
 	m_out = 0;
 }
 
+/***************************************************************************
+                              Machine Drivers
+***************************************************************************/
+
 static MACHINE_CONFIG_START( galaxi, galaxi_state )
 
 	/* basic machine hardware */
-	MCFG_CPU_ADD("maincpu", M68000, XTAL_10MHz) // ?
+	MCFG_CPU_ADD("maincpu", M68000, CPU_CLOCK)
 	MCFG_CPU_PROGRAM_MAP(galaxi_map)
 	MCFG_CPU_VBLANK_INT_DRIVER("screen", galaxi_state,  irq4_line_hold)
 
@@ -460,19 +464,16 @@ static MACHINE_CONFIG_START( galaxi, galaxi_state )
 	MCFG_PALETTE_ADD("palette", 0x400)
 	MCFG_PALETTE_FORMAT(xRRRRRGGGGGBBBBB)
 
-
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
 
-	MCFG_OKIM6295_ADD("oki", XTAL_16MHz/16, OKIM6295_PIN7_LOW)  // ?
+	MCFG_OKIM6295_ADD("oki", SND_CLOCK, OKIM6295_PIN7_LOW)  // ?
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
 MACHINE_CONFIG_END
 
 
 static MACHINE_CONFIG_DERIVED( magjoker, galaxi )
 
-	/* basic machine hardware */
-
 	/* sound hardware */
 	MCFG_SOUND_MODIFY("oki")
 
@@ -481,11 +482,15 @@ static MACHINE_CONFIG_DERIVED( magjoker, galaxi )
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 4.0)
 MACHINE_CONFIG_END
 
+
 static MACHINE_CONFIG_DERIVED( lastfour, galaxi )
+
+	/* basic machine hardware */
 	MCFG_CPU_MODIFY("maincpu")
 	MCFG_CPU_PROGRAM_MAP(lastfour_map)
 MACHINE_CONFIG_END
 
+
 /***************************************************************************
                                 ROMs Loading
 ***************************************************************************/
@@ -533,7 +538,7 @@ ROM_END
                                Game Drivers
 ***************************************************************************/
 
-/*     YEAR  NAME      PARENT  MACHINE   INPUT     INIT  ROT    COMPANY   FULLNAME                       FLAGS                   LAYOUT  */
+/*     YEAR  NAME      PARENT  MACHINE   INPUT     STATE          INIT  ROT    COMPANY   FULLNAME                       FLAGS                   LAYOUT  */
 GAMEL( 2000, galaxi,   0,      galaxi,   galaxi,   driver_device, 0,    ROT0, "B.R.L.", "Galaxi (v2.0)",                MACHINE_SUPPORTS_SAVE,  layout_galaxi )
 GAMEL( 2000, magjoker, 0,      magjoker, magjoker, driver_device, 0,    ROT0, "B.R.L.", "Magic Joker (v1.25.10.2000)",  MACHINE_SUPPORTS_SAVE,  layout_galaxi )
 GAMEL( 2001, lastfour, 0,      lastfour, magjoker, driver_device, 0,    ROT0, "B.R.L.", "Last Four (09:12 16/01/2001)", MACHINE_SUPPORTS_SAVE,  layout_galaxi )