diff --git a/src/mame/drivers/88games.c b/src/mame/drivers/88games.c
index 8336385a9fb..234d3e0cde3 100644
--- a/src/mame/drivers/88games.c
+++ b/src/mame/drivers/88games.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria
 /***************************************************************************
 
 88 Games (c) 1988 Konami
diff --git a/src/mame/drivers/a1supply.c b/src/mame/drivers/a1supply.c
index 9b9a1843b5f..142f9e6b54f 100644
--- a/src/mame/drivers/a1supply.c
+++ b/src/mame/drivers/a1supply.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
 /***************************************************************************
 
  A-1 Supply discrete hardware games
diff --git a/src/mame/drivers/aces1.c b/src/mame/drivers/aces1.c
index 026189ccb9c..b672351e3a4 100644
--- a/src/mame/drivers/aces1.c
+++ b/src/mame/drivers/aces1.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
  Ace System 1 Hardware
  Fruit Machines
diff --git a/src/mame/drivers/acesp.c b/src/mame/drivers/acesp.c
index be002af3271..31e62e34601 100644
--- a/src/mame/drivers/acesp.c
+++ b/src/mame/drivers/acesp.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
  sp.ACE system by ACE
  based roughly on the Mach2000 hardware used by Castle
diff --git a/src/mame/drivers/adp.c b/src/mame/drivers/adp.c
index a988db42519..7a06f384054 100644
--- a/src/mame/drivers/adp.c
+++ b/src/mame/drivers/adp.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:LGPL-2.1+
+// copyright-holders:Tomasz Slanina
 /*
 
 ADP (Merkur?) games from '90 running on similar hardware.
diff --git a/src/mame/drivers/albazc.c b/src/mame/drivers/albazc.c
index 40a09f473a3..a1a1353ec23 100644
--- a/src/mame/drivers/albazc.c
+++ b/src/mame/drivers/albazc.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood, Stephane Humbert
 /* Hanaroku - Alba ZC HW */
 
 /*
diff --git a/src/mame/drivers/aleck64.c b/src/mame/drivers/aleck64.c
index 29b7c453c54..00df3236cce 100644
--- a/src/mame/drivers/aleck64.c
+++ b/src/mame/drivers/aleck64.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Ville Linde
 /* 'Aleck64' and similar boards */
 /* N64 based hardware */
 /*
diff --git a/src/mame/drivers/aleisttl.c b/src/mame/drivers/aleisttl.c
index b7db84d75af..c9efe1a854b 100644
--- a/src/mame/drivers/aleisttl.c
+++ b/src/mame/drivers/aleisttl.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
 /***************************************************************************
 
  Allied Leisure discrete hardware games
diff --git a/src/mame/drivers/alien.c b/src/mame/drivers/alien.c
index dcef79da022..c76c0225441 100644
--- a/src/mame/drivers/alien.c
+++ b/src/mame/drivers/alien.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
 /**********************************************************************************
 
     Alien: The Arcade Medal Edition (c) 2005 Capcom
diff --git a/src/mame/drivers/aristmk5.c b/src/mame/drivers/aristmk5.c
index 4b38e2e5103..8699cb82f5d 100644
--- a/src/mame/drivers/aristmk5.c
+++ b/src/mame/drivers/aristmk5.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Aristocrat MK5 / MKV hardware
diff --git a/src/mame/drivers/aristmk6.c b/src/mame/drivers/aristmk6.c
index 784c2b59ea7..7ec076a6a2c 100644
--- a/src/mame/drivers/aristmk6.c
+++ b/src/mame/drivers/aristmk6.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
 /*
 Aristocrat MK6 hardware
 
diff --git a/src/mame/drivers/arkanoid.c b/src/mame/drivers/arkanoid.c
index 6282cce579a..e6b0fed2f33 100644
--- a/src/mame/drivers/arkanoid.c
+++ b/src/mame/drivers/arkanoid.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Brad Oliver
 /***************************************************************************
 
     Arkanoid driver
diff --git a/src/mame/drivers/aztarac.c b/src/mame/drivers/aztarac.c
index aabbba233bc..76f0b68896e 100644
--- a/src/mame/drivers/aztarac.c
+++ b/src/mame/drivers/aztarac.c
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:???
+// copyright-holders:Mathis Rosenhauer
 /***************************************************************************
 
     Centuri Aztarac hardware
diff --git a/src/mame/drivers/bailey.c b/src/mame/drivers/bailey.c
index 06496b0622a..4ccf874269d 100644
--- a/src/mame/drivers/bailey.c
+++ b/src/mame/drivers/bailey.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
 /***************************************************************************
 
  Bailey International discrete hardware games
diff --git a/src/mame/drivers/belatra.c b/src/mame/drivers/belatra.c
index 32e8b12a5ae..54af673474b 100644
--- a/src/mame/drivers/belatra.c
+++ b/src/mame/drivers/belatra.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* Belatra Russian Fruit Machines (Video?) */
 
 /*
diff --git a/src/mame/drivers/bfm_ad5.c b/src/mame/drivers/bfm_ad5.c
index 7f372c99622..bcdb7b06270 100644
--- a/src/mame/drivers/bfm_ad5.c
+++ b/src/mame/drivers/bfm_ad5.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Adder 5
diff --git a/src/mame/drivers/bfm_ad5sw.c b/src/mame/drivers/bfm_ad5sw.c
index d7802a0a84a..f4f2bb6f913 100644
--- a/src/mame/drivers/bfm_ad5sw.c
+++ b/src/mame/drivers/bfm_ad5sw.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Adder 5
diff --git a/src/mame/drivers/bfm_sc4.c b/src/mame/drivers/bfm_sc4.c
index cfa0a9a5053..a6c2578f393 100644
--- a/src/mame/drivers/bfm_sc4.c
+++ b/src/mame/drivers/bfm_sc4.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Scorpion 4 Hardware Platform (c)1996 Bell Fruit Manufacturing
diff --git a/src/mame/drivers/bfm_sc45_helper.c b/src/mame/drivers/bfm_sc45_helper.c
index 8eac6f93712..427ccba9722 100644
--- a/src/mame/drivers/bfm_sc45_helper.c
+++ b/src/mame/drivers/bfm_sc45_helper.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* helper functions for BFM SC4/5 set identification and layout file creation
  - these are not strictly required by the emulation
 
diff --git a/src/mame/drivers/bfm_sc45_helper.h b/src/mame/drivers/bfm_sc45_helper.h
index 753acc48a01..6e6c1a8e331 100644
--- a/src/mame/drivers/bfm_sc45_helper.h
+++ b/src/mame/drivers/bfm_sc45_helper.h
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* */
 
 void bfm_sc45_layout_helper(running_machine &machine);
diff --git a/src/mame/drivers/bfm_sc4h.c b/src/mame/drivers/bfm_sc4h.c
index 7fc663e8be2..167f80a83ce 100644
--- a/src/mame/drivers/bfm_sc4h.c
+++ b/src/mame/drivers/bfm_sc4h.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Scorpion 4 Hardware Platform (c)1996 Bell Fruit Manufacturing
diff --git a/src/mame/drivers/bfm_sc5.c b/src/mame/drivers/bfm_sc5.c
index 78fea240087..f695621c65c 100644
--- a/src/mame/drivers/bfm_sc5.c
+++ b/src/mame/drivers/bfm_sc5.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Scorpion 5
diff --git a/src/mame/drivers/bfm_sc5sw.c b/src/mame/drivers/bfm_sc5sw.c
index 9788bb54b11..c42f6410fb6 100644
--- a/src/mame/drivers/bfm_sc5sw.c
+++ b/src/mame/drivers/bfm_sc5sw.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Scorpion 5
diff --git a/src/mame/drivers/bfm_swp.c b/src/mame/drivers/bfm_swp.c
index d944f559668..ead721b7257 100644
--- a/src/mame/drivers/bfm_swp.c
+++ b/src/mame/drivers/bfm_swp.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* Bellfruit SWP (Skill With Prizes) Video hardware
     aka Cobra 3
 
diff --git a/src/mame/drivers/bfmsys83.c b/src/mame/drivers/bfmsys83.c
index 589d843f585..4593ebe9642 100644
--- a/src/mame/drivers/bfmsys83.c
+++ b/src/mame/drivers/bfmsys83.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* BFM System 83 */
 
 #include "emu.h"
diff --git a/src/mame/drivers/bgt.c b/src/mame/drivers/bgt.c
index 53ce5913285..0d169233fb4 100644
--- a/src/mame/drivers/bgt.c
+++ b/src/mame/drivers/bgt.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* BGT Fruit Machines
   BGT (British Gaming Technology) were a small Spanish company
 
diff --git a/src/mame/drivers/bingor.c b/src/mame/drivers/bingor.c
index 100b4ee3688..2c2fd036ddd 100644
--- a/src/mame/drivers/bingor.c
+++ b/src/mame/drivers/bingor.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese, Roberto Fresca
 /***********************************************************************
 
   Bingo Roll / Bell Star
diff --git a/src/mame/drivers/bionicc.c b/src/mame/drivers/bionicc.c
index dee9d5965ed..196c217979e 100644
--- a/src/mame/drivers/bionicc.c
+++ b/src/mame/drivers/bionicc.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Steven Frew, Phil Stroffolino, Paul Leaman
 /******************************************************************************************
 
     Bionic Commando
diff --git a/src/mame/drivers/bking.c b/src/mame/drivers/bking.c
index efa35e9a10a..afd9040a65a 100644
--- a/src/mame/drivers/bking.c
+++ b/src/mame/drivers/bking.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Ed Mueller, Mike Balfour, Zsolt Vasvari
 /***************************************************************************
 
 
diff --git a/src/mame/drivers/blackt96.c b/src/mame/drivers/blackt96.c
index d8a4a5a71df..6e94b0e0255 100644
--- a/src/mame/drivers/blackt96.c
+++ b/src/mame/drivers/blackt96.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
     Black Touch '96
diff --git a/src/mame/drivers/bntyhunt.c b/src/mame/drivers/bntyhunt.c
index ff2835d6d51..3860ef27189 100644
--- a/src/mame/drivers/bntyhunt.c
+++ b/src/mame/drivers/bntyhunt.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
 /* Bounty Hunter
 
  PC hardware.. no dumps of the bios roms are currently available
diff --git a/src/mame/drivers/bowltry.c b/src/mame/drivers/bowltry.c
index f574806cf7a..b668a9ac454 100644
--- a/src/mame/drivers/bowltry.c
+++ b/src/mame/drivers/bowltry.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /************************************************************************************************************
 
     Bowling Try
diff --git a/src/mame/drivers/boxer.c b/src/mame/drivers/boxer.c
index 76cf2935265..cd302e35b0e 100644
--- a/src/mame/drivers/boxer.c
+++ b/src/mame/drivers/boxer.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria, Stefan Jokisch
 /***************************************************************************
 
     Atari Boxer (prototype) driver
diff --git a/src/mame/drivers/buster.c b/src/mame/drivers/buster.c
index f7ea6a2a6fa..a73af57dbfc 100644
--- a/src/mame/drivers/buster.c
+++ b/src/mame/drivers/buster.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
 Buster
diff --git a/src/mame/drivers/bwidow.c b/src/mame/drivers/bwidow.c
index ed9d3634faa..5e9076b8a03 100644
--- a/src/mame/drivers/bwidow.c
+++ b/src/mame/drivers/bwidow.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Brad Oliver, Bernd Wiebelt, Allard Van Der Bas
 /***************************************************************************
 
     Atari Black Widow hardware
diff --git a/src/mame/drivers/bzone.c b/src/mame/drivers/bzone.c
index 656760bb200..c9a09506ef4 100644
--- a/src/mame/drivers/bzone.c
+++ b/src/mame/drivers/bzone.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Brad Oliver, Nicola Salmoria
 /***************************************************************************
 
     Atari Battlezone hardware
diff --git a/src/mame/drivers/capcom.c b/src/mame/drivers/capcom.c
index 70573cd2b1d..3980c58816a 100644
--- a/src/mame/drivers/capcom.c
+++ b/src/mame/drivers/capcom.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Miodrag Milanovic
 /*
     Capcom A0015405
 */
diff --git a/src/mame/drivers/carjmbre.c b/src/mame/drivers/carjmbre.c
index 0765cc54151..97eb0fb4344 100644
--- a/src/mame/drivers/carjmbre.c
+++ b/src/mame/drivers/carjmbre.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:inside out boy, Nicola Salmoria
 /***************************************************************************
 
     Car Jamboree
diff --git a/src/mame/drivers/carrera.c b/src/mame/drivers/carrera.c
index ca3c1e9fa07..451bf2a6490 100644
--- a/src/mame/drivers/carrera.c
+++ b/src/mame/drivers/carrera.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
 This is a simple 'Pairs' game called
diff --git a/src/mame/drivers/castle.c b/src/mame/drivers/castle.c
index df6ed846b6f..4b59fae47fb 100644
--- a/src/mame/drivers/castle.c
+++ b/src/mame/drivers/castle.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* Castle Mach2000 Hardware
 
   Mechanical Fruit Machines with DMD display
diff --git a/src/mame/drivers/cavepc.c b/src/mame/drivers/cavepc.c
index dcb300390d7..fe37ff61fd2 100644
--- a/src/mame/drivers/cavepc.c
+++ b/src/mame/drivers/cavepc.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /***************************************************************************
 
     CAVE PC hardware
diff --git a/src/mame/drivers/cb2001.c b/src/mame/drivers/cb2001.c
index e3a43f7d637..9ce66e44934 100644
--- a/src/mame/drivers/cb2001.c
+++ b/src/mame/drivers/cb2001.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood, Roberto Zandona'
 /*************************************************************************************************
 
   Cherry Bonus 2001  (c)2000/2001 Dyna
diff --git a/src/mame/drivers/cball.c b/src/mame/drivers/cball.c
index 8fc7debf4f6..a45f3b340cd 100644
--- a/src/mame/drivers/cball.c
+++ b/src/mame/drivers/cball.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria,Stefan Jokisch
 /***************************************************************************
 
     Atari Cannonball (prototype) driver
diff --git a/src/mame/drivers/cbasebal.c b/src/mame/drivers/cbasebal.c
index 15c0a72c672..d3b7bd38cb1 100644
--- a/src/mame/drivers/cbasebal.c
+++ b/src/mame/drivers/cbasebal.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria
 /***************************************************************************
 
     Capcom Baseball
diff --git a/src/mame/drivers/cclimber.c b/src/mame/drivers/cclimber.c
index 879dcceda57..cec97aea9aa 100644
--- a/src/mame/drivers/cclimber.c
+++ b/src/mame/drivers/cclimber.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria
 /***************************************************************************
 
 Crazy Climber memory map (preliminary)
diff --git a/src/mame/drivers/centiped.c b/src/mame/drivers/centiped.c
index f1a714e9f4d..b778720c6ac 100644
--- a/src/mame/drivers/centiped.c
+++ b/src/mame/drivers/centiped.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria
 /***************************************************************************
 
     Atari Centipede hardware
diff --git a/src/mame/drivers/cheekyms.c b/src/mame/drivers/cheekyms.c
index 436f17f4f11..4df4bc1bacd 100644
--- a/src/mame/drivers/cheekyms.c
+++ b/src/mame/drivers/cheekyms.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Chris Moore
 /*************************************************************************
     Universal Cheeky Mouse Driver
     (c)Lee Taylor May/June 1998, All rights reserved.
diff --git a/src/mame/drivers/chicago.c b/src/mame/drivers/chicago.c
index 29c44e584c5..076e9ca46d0 100644
--- a/src/mame/drivers/chicago.c
+++ b/src/mame/drivers/chicago.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Fabiou Priuli
 /***************************************************************************
 
  Chicago Coin discrete hardware games
diff --git a/src/mame/drivers/chihiro.c b/src/mame/drivers/chihiro.c
index ce5ea0b9cf2..5e9a08dc016 100644
--- a/src/mame/drivers/chihiro.c
+++ b/src/mame/drivers/chihiro.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Samuele Zannoli
 /*
 Chihiro is an Xbox-based arcade system from SEGA.
 
diff --git a/src/mame/drivers/chinagat.c b/src/mame/drivers/chinagat.c
index b2977383765..637043c5a30 100644
--- a/src/mame/drivers/chinagat.c
+++ b/src/mame/drivers/chinagat.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria,Paul Hampson
 /*
 China Gate.
 By Paul Hampson from First Principles
diff --git a/src/mame/drivers/chqflag.c b/src/mame/drivers/chqflag.c
index 601eee9aef8..b8f2f6ea57e 100644
--- a/src/mame/drivers/chqflag.c
+++ b/src/mame/drivers/chqflag.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria, Manuel Abadia
 /***************************************************************************
 
     Chequered Flag / Checkered Flag (GX717) (c) Konami 1988
diff --git a/src/mame/drivers/circusc.c b/src/mame/drivers/circusc.c
index 891bb1c9072..2ffcd897421 100644
--- a/src/mame/drivers/circusc.c
+++ b/src/mame/drivers/circusc.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria,Chris Hardy
 /***************************************************************************
 
         Circus Charlie   GX380 (c) 1984 Konami
diff --git a/src/mame/drivers/citycon.c b/src/mame/drivers/citycon.c
index 18f9b9bb91a..3d5bd56ce30 100644
--- a/src/mame/drivers/citycon.c
+++ b/src/mame/drivers/citycon.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Mirko Buffoni
 /***************************************************************************
 
 City Connection (c) 1985 Jaleco
diff --git a/src/mame/drivers/cloak.c b/src/mame/drivers/cloak.c
index 63d4ed1ca04..3ab39a3d77f 100644
--- a/src/mame/drivers/cloak.c
+++ b/src/mame/drivers/cloak.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Dan Boris, Mirko Buffoni
 /***************************************************************************
 
     Atari Cloak & Dagger hardware
diff --git a/src/mame/drivers/comebaby.c b/src/mame/drivers/comebaby.c
index 1b24426ed43..64dd498e542 100644
--- a/src/mame/drivers/comebaby.c
+++ b/src/mame/drivers/comebaby.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
 /* Come On Baby
   (c) 2000 ExPotato Co. Ltd (Excellent Potato)
 
diff --git a/src/mame/drivers/cosmic.c b/src/mame/drivers/cosmic.c
index ab594544831..6370e33fe02 100644
--- a/src/mame/drivers/cosmic.c
+++ b/src/mame/drivers/cosmic.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria, Lee Taylor
 /***************************************************************************
 
 Universal board numbers (found on the schematics)
diff --git a/src/mame/drivers/cswat.c b/src/mame/drivers/cswat.c
index b63561a1ea6..4ddd63f3931 100644
--- a/src/mame/drivers/cswat.c
+++ b/src/mame/drivers/cswat.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:hap
 /***************************************************************************
 
   Namco Cosmoswat, a lightgun game that uses a projector and a bunch of
diff --git a/src/mame/drivers/cupidon.c b/src/mame/drivers/cupidon.c
index 298e2becaba..7b7d628b5c2 100644
--- a/src/mame/drivers/cupidon.c
+++ b/src/mame/drivers/cupidon.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /* Cupidon - Russian Video Fruit Machines? */
 
 /*
diff --git a/src/mame/drivers/cv1k.c b/src/mame/drivers/cv1k.c
index e015e2a1989..ca6932e892c 100644
--- a/src/mame/drivers/cv1k.c
+++ b/src/mame/drivers/cv1k.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
 U2 flash rom note
diff --git a/src/mame/drivers/dai3wksi.c b/src/mame/drivers/dai3wksi.c
index de9761cf004..1dd3a67a96d 100644
--- a/src/mame/drivers/dai3wksi.c
+++ b/src/mame/drivers/dai3wksi.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Derrick Renaud
 /*
 
 -Galaxy Force
diff --git a/src/mame/drivers/dblewing.c b/src/mame/drivers/dblewing.c
index 732b8f24c32..2d7e8c70c0c 100644
--- a/src/mame/drivers/dblewing.c
+++ b/src/mame/drivers/dblewing.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:David Haywood
 /*
 
 Double Wings
diff --git a/src/mame/drivers/ddz.c b/src/mame/drivers/ddz.c
index f3081c2e466..5736a4915a3 100644
--- a/src/mame/drivers/ddz.c
+++ b/src/mame/drivers/ddz.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Xing Xing
 /*
     Dou Di Zhu (by IGS?)
 
diff --git a/src/mame/drivers/deadang.c b/src/mame/drivers/deadang.c
index c9f9034b55c..e685c4267d0 100644
--- a/src/mame/drivers/deadang.c
+++ b/src/mame/drivers/deadang.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Bryan McPhail, David Haywood
 /***************************************************************************
 
     Dead Angle                          (c) 1988 Seibu Kaihatsu
diff --git a/src/mame/drivers/destroyr.c b/src/mame/drivers/destroyr.c
index 0ae8ec9d2a9..0b85f6987ec 100644
--- a/src/mame/drivers/destroyr.c
+++ b/src/mame/drivers/destroyr.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Stefan Jokisch, Nicola Salmoria
 /***************************************************************************
 
 Atari Destroyer Driver
diff --git a/src/mame/drivers/djboy.c b/src/mame/drivers/djboy.c
index 25ec4978712..13bb90da863 100644
--- a/src/mame/drivers/djboy.c
+++ b/src/mame/drivers/djboy.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Phil Stroffolino
 /*
 DJ Boy (c)1989 Kaneko
 
diff --git a/src/mame/drivers/djmain.c b/src/mame/drivers/djmain.c
index 19248484d93..2bbdf3750a2 100644
--- a/src/mame/drivers/djmain.c
+++ b/src/mame/drivers/djmain.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:smf
 /*
  *  Beatmania DJ Main Board (GX753)
  *
diff --git a/src/mame/drivers/dlair2.c b/src/mame/drivers/dlair2.c
index bd2b8a9ae21..7b4d4bde9be 100644
--- a/src/mame/drivers/dlair2.c
+++ b/src/mame/drivers/dlair2.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Leland
 /***************************************************************************
 
 Skeleton driver for Dragon's Lair II: Time Warp
diff --git a/src/mame/drivers/docastle.c b/src/mame/drivers/docastle.c
index e1dea69a5b8..d2f5b452c6f 100644
--- a/src/mame/drivers/docastle.c
+++ b/src/mame/drivers/docastle.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Brad Oliver
 /***************************************************************************
 
 Mr. Do's Castle memory map (preliminary)
diff --git a/src/mame/drivers/dragrace.c b/src/mame/drivers/dragrace.c
index ba303d23bc7..1ffe5872f07 100644
--- a/src/mame/drivers/dragrace.c
+++ b/src/mame/drivers/dragrace.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Stefan Jokisch, Nicola Salmoria
 /***************************************************************************
 
     Atari Drag Race Driver
diff --git a/src/mame/drivers/flyball.c b/src/mame/drivers/flyball.c
index 92b5378f211..6000bedc5d8 100644
--- a/src/mame/drivers/flyball.c
+++ b/src/mame/drivers/flyball.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Stefan Jokisch, Nicola Salmoria
 /***************************************************************************
 
 Atari Flyball Driver
diff --git a/src/mame/drivers/poolshrk.c b/src/mame/drivers/poolshrk.c
index d97f406e232..1e32647ee54 100644
--- a/src/mame/drivers/poolshrk.c
+++ b/src/mame/drivers/poolshrk.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Stefan Jokisch, Nicola Salmoria
 /***************************************************************************
 
 Atari Poolshark Driver