diff --git a/src/emu/cpu/tms7000/7000dasm.c b/src/emu/cpu/tms7000/7000dasm.c
index 8ba2996572c..a48127a4f2a 100644
--- a/src/emu/cpu/tms7000/7000dasm.c
+++ b/src/emu/cpu/tms7000/7000dasm.c
@@ -1,5 +1,11 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Tim Lindner
+/*
+
+  TMS7000 disassembler
+
+*/
+
 #include "emu.h"
 #include "debugger.h"
 #include "tms7000.h"
@@ -7,15 +13,15 @@
 enum operandtype { DONE, NONE, UI8, I8, UI16, I16, PCREL, PCABS, TRAP };
 
 struct oprandinfo {
-	char        opstr[4][12];
+	char opstr[4][12];
 	operandtype decode[4];
 };
 
 struct opcodeinfo {
-	int     opcode;
-	char        name[8];
-	int     operand;
-	UINT32      s_flag;
+	int opcode;
+	char name[8];
+	int operand;
+	UINT32 s_flag;
 };
 
 static const oprandinfo of[] = {
@@ -375,7 +381,7 @@ CPU_DISASSEMBLE( tms7000 )
 		{
 			/* We found a match */
 
-			int             j,k,vector;
+			int j,k,vector;
 			UINT8   a;
 			INT8    b;
 			UINT16  c;
diff --git a/src/emu/cpu/tms7000/tms7000.c b/src/emu/cpu/tms7000/tms7000.c
index e878e3ee80f..e66fc0a41ff 100644
--- a/src/emu/cpu/tms7000/tms7000.c
+++ b/src/emu/cpu/tms7000/tms7000.c
@@ -1,37 +1,21 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:hap
 /*****************************************************************************
- *
- *   tms7000.c
- *   Portable TMS7000 emulator (Texas Instruments 7000)
- *
- *   Copyright tim lindner, all rights reserved.
- *
- *   - This source code is released as freeware for non-commercial purposes.
- *   - You are free to use and redistribute this code in modified or
- *     unmodified form, provided you list me in the credits.
- *   - If you modify this source code, you must add a notice to each modified
- *     source file that it has been changed.  If you're a nice person, you
- *     will clearly mark each change too.  :)
- *   - If you wish to use this for commercial purposes, please contact me at
- *     tlindner@macmess.org
- *   - This entire notice must remain in the source code.
- *
- *****************************************************************************
- *  Misc. improvements were done over the years by team MESS/MAME
- *
- *  TODO:
- *  - dump CROM and emulate cpu at microinstruction level
- *  - memory modes with IOCNT0, currently always running in faked full expansion mode
- *  - timer event counter mode (timer control register, bit 6)
- *  - TMS70x1/2 serial port and timer 3
- *  - TMS70C46 DOCK-BUS comms with external pins
- *  - TMS70C46 external memory mode is via "E" bus instead of configuring IOCNT0
- *  - TMS70C46 clock divider
- *  - TMS70C46 INT3 on keypress
- *  - when they're needed, add TMS70Cx2, TMS7742, TMS77C82, SE70xxx
- *
- *****************************************************************************/
+
+  Texas Instruments TMS7000
+
+  TODO:
+  - dump CROM and emulate cpu at microinstruction level
+  - memory modes with IOCNT0, currently always running in faked full expansion mode
+  - timer event counter mode (timer control register, bit 6)
+  - TMS70x1/2 serial port and timer 3
+  - TMS70C46 DOCK-BUS comms with external pins
+  - TMS70C46 external memory mode is via "E" bus instead of configuring IOCNT0
+  - TMS70C46 clock divider
+  - TMS70C46 INT3 on keypress
+  - when they're needed, add TMS70Cx2, TMS7742, TMS77C82, SE70xxx
+
+*****************************************************************************/
 
 #include "tms7000.h"
 
diff --git a/src/emu/cpu/tms7000/tms7000.h b/src/emu/cpu/tms7000/tms7000.h
index 2de1a4900c5..87c45ff0867 100644
--- a/src/emu/cpu/tms7000/tms7000.h
+++ b/src/emu/cpu/tms7000/tms7000.h
@@ -1,23 +1,10 @@
-// license:???
-// copyright-holders:???
-/*****************************************************************************
- *
- *   tms7000.h (c header file)
- *   Portable TMS7000 emulator (Texas Instruments 7000)
- *
- *   Copyright tim lindner, all rights reserved.
- *
- *   - This source code is released as freeware for non-commercial purposes.
- *   - You are free to use and redistribute this code in modified or
- *     unmodified form, provided you list me in the credits.
- *   - If you modify this source code, you must add a notice to each modified
- *     source file that it has been changed.  If you're a nice person, you
- *     will clearly mark each change too.  :)
- *   - If you wish to use this for commercial purposes, please contact me at
- *     tlindner@macmess.org
- *   - This entire notice must remain in the source code.
- *
- *****************************************************************************/
+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+  Texas Instruments TMS7000
+
+*/
 
 #pragma once
 
diff --git a/src/emu/cpu/tms7000/tms70op.inc b/src/emu/cpu/tms7000/tms70op.inc
index dfa661bf860..7bd68961373 100644
--- a/src/emu/cpu/tms7000/tms70op.inc
+++ b/src/emu/cpu/tms7000/tms70op.inc
@@ -1,8 +1,4 @@
-/*****************************************************************************
- *
- * tms70op.inc (Op code functions)
- *
- *****************************************************************************/
+// TMS7000 opcode handlers
 
 // addressing modes (not all opcodes have a write cycle)
 #define WB_NO -1