diff --git a/LICENSE b/LICENSE
index 7a90e4c..b66f6b5 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2013-2019 Will Scullin
+Copyright (c) 2010-2021 Will Scullin and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/apple2js.html b/apple2js.html
index eef9fbf..8726d31 100644
--- a/apple2js.html
+++ b/apple2js.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <!--
- Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
+ Copyright 2010-2021 Will Scullin and contributors
 
  Permission to use, copy, modify, distribute, and sell this software and its
  documentation for any purpose is hereby granted without fee, provided that
diff --git a/apple2jse.html b/apple2jse.html
index 0cef29e..77dbd39 100644
--- a/apple2jse.html
+++ b/apple2jse.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <!--
- Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
+ Copyright 2010-2021 Will Scullin and contributors
 
  Permission to use, copy, modify, distribute, and sell this software and its
  documentation for any purpose is hereby granted without fee, provided that
diff --git a/css/apple2.css b/css/apple2.css
index 2936444..3534bec 100644
--- a/css/apple2.css
+++ b/css/apple2.css
@@ -1,5 +1,3 @@
-/* Copyright 2010-2019 Will Scullin */
-
 #header {
   width: 580px;
   margin: auto;
diff --git a/js/apple2io.ts b/js/apple2io.ts
index aaec8fb..5895995 100644
--- a/js/apple2io.ts
+++ b/js/apple2io.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import CPU6502 from './cpu6502';
 import { Card, Memory, MemoryPages, TapeData, byte, Restorable } from './types';
 import { debug, garbage } from './util';
diff --git a/js/canvas.ts b/js/canvas.ts
index bad15cc..ba1b6e1 100644
--- a/js/canvas.ts
+++ b/js/canvas.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { byte, Color, memory, MemoryPages, rom } from './types';
 import { allocMemPages } from './util';
 import {
diff --git a/js/cards/cffa.ts b/js/cards/cffa.ts
index 5e1895c..72ff7a4 100644
--- a/js/cards/cffa.ts
+++ b/js/cards/cffa.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import type { byte, Card, Restorable } from '../types';
 import { debug, toHex } from '../util';
 import { rom as readOnlyRom } from '../roms/cards/cffa';
diff --git a/js/cards/disk2.ts b/js/cards/disk2.ts
index 9f96b6b..c0ef974 100644
--- a/js/cards/disk2.ts
+++ b/js/cards/disk2.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { base64_encode} from '../base64';
 import type {
     byte,
diff --git a/js/cards/langcard.ts b/js/cards/langcard.ts
index 3775184..76727f3 100644
--- a/js/cards/langcard.ts
+++ b/js/cards/langcard.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import RAM, { RAMState } from '../ram';
 import { debug } from '../util';
 import { Card, Memory, byte, Restorable } from '../types';
diff --git a/js/cards/nsc.js b/js/cards/nsc.js
index 9d6ea0e..0b820e8 100644
--- a/js/cards/nsc.js
+++ b/js/cards/nsc.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug } from '../util';
 
 export default function NoSlotClock(rom)
diff --git a/js/cards/parallel.ts b/js/cards/parallel.ts
index d340e8f..4eaaf96 100644
--- a/js/cards/parallel.ts
+++ b/js/cards/parallel.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug } from '../util';
 import { Card, Restorable, byte } from '../types';
 import { rom } from '../roms/cards/parallel';
diff --git a/js/cards/ramfactor.ts b/js/cards/ramfactor.ts
index c585e53..994ae2b 100644
--- a/js/cards/ramfactor.ts
+++ b/js/cards/ramfactor.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { allocMem, debug } from '../util';
 import { Card, Restorable, byte, memory } from '../types';
 import { rom } from '../roms/cards/ramfactor';
diff --git a/js/cards/smartport.ts b/js/cards/smartport.ts
index adec9f1..6c67a95 100644
--- a/js/cards/smartport.ts
+++ b/js/cards/smartport.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug, toHex } from '../util';
 import { rom as smartPortRom } from '../roms/cards/smartport';
 import { Card, Restorable, byte, word, rom } from '../types';
diff --git a/js/cards/thunderclock.ts b/js/cards/thunderclock.ts
index 3244511..6671f87 100644
--- a/js/cards/thunderclock.ts
+++ b/js/cards/thunderclock.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug, toHex } from '../util';
 import { Card, Restorable, byte } from '../types';
 import { rom } from '../roms/cards/thunderclock';
diff --git a/js/cards/videoterm.ts b/js/cards/videoterm.ts
index 4c3054c..1f3d975 100644
--- a/js/cards/videoterm.ts
+++ b/js/cards/videoterm.ts
@@ -1,14 +1,3 @@
-/* Copyright 2017 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { allocMemPages, debug } from '../util';
 import { Card, Restorable, byte, Color, memory, word } from '../types';
 import { ROM, VIDEO_ROM } from '../roms/cards/videoterm';
diff --git a/js/cpu6502.ts b/js/cpu6502.ts
index c1b6f01..b01be6e 100644
--- a/js/cpu6502.ts
+++ b/js/cpu6502.ts
@@ -1,15 +1,3 @@
-/*
- * Copyright 2010-2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { Memory, MemoryPages, byte, word } from './types';
 import { debug, toHex } from './util';
 
diff --git a/js/formats/2mg.ts b/js/formats/2mg.ts
index 3e2f3e3..ea65dee 100644
--- a/js/formats/2mg.ts
+++ b/js/formats/2mg.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import DOS from './do';
 import Nibble from './nib';
 import ProDOS from './po';
diff --git a/js/formats/block.ts b/js/formats/block.ts
index 89053b8..f20caa0 100644
--- a/js/formats/block.ts
+++ b/js/formats/block.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { DiskOptions, BlockDisk, ENCODING_BLOCK } from './types';
 
 /**
diff --git a/js/formats/d13.ts b/js/formats/d13.ts
index ea7c3cb..ac5f9cc 100644
--- a/js/formats/d13.ts
+++ b/js/formats/d13.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { explodeSector13, D13O } from './format_utils';
 import { NibbleDisk, DiskOptions, ENCODING_NIBBLE } from './types';
 
diff --git a/js/formats/do.ts b/js/formats/do.ts
index 94543c1..1a4f2b4 100644
--- a/js/formats/do.ts
+++ b/js/formats/do.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { explodeSector16, DO } from './format_utils';
 import { bytify } from '../util';
 import { byte } from '../types';
diff --git a/js/formats/format_utils.ts b/js/formats/format_utils.ts
index 9032771..15cf433 100644
--- a/js/formats/format_utils.ts
+++ b/js/formats/format_utils.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { bit, byte, memory } from '../types';
 import { base64_decode, base64_encode } from '../base64';
 import { bytify, debug, toHex } from '../util';
diff --git a/js/formats/nib.ts b/js/formats/nib.ts
index 3970697..2758b35 100644
--- a/js/formats/nib.ts
+++ b/js/formats/nib.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { NibbleDisk, DiskOptions, ENCODING_NIBBLE } from './types';
 import { memory } from '../types';
 
diff --git a/js/formats/po.ts b/js/formats/po.ts
index 0c5f7f7..8308def 100644
--- a/js/formats/po.ts
+++ b/js/formats/po.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { explodeSector16, PO } from './format_utils';
 import { bytify } from '../util';
 import type { byte } from '../types';
diff --git a/js/formats/prodos/bit_map.js b/js/formats/prodos/bit_map.js
index ed3525a..8b1f3de 100644
--- a/js/formats/prodos/bit_map.js
+++ b/js/formats/prodos/bit_map.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 export function BitMap(volume) {
     var vdh = volume.vdh();
     var blocks = volume.blocks();
diff --git a/js/formats/prodos/constants.js b/js/formats/prodos/constants.js
index 38087a8..0a21a5c 100644
--- a/js/formats/prodos/constants.js
+++ b/js/formats/prodos/constants.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 export var BLOCK_SIZE = 512;
 
 export var STORAGE_TYPES = {
diff --git a/js/formats/prodos/directory.js b/js/formats/prodos/directory.js
index 1caee59..ac98b07 100644
--- a/js/formats/prodos/directory.js
+++ b/js/formats/prodos/directory.js
@@ -1,15 +1,4 @@
 
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { dateToUint32, readFileName, writeFileName, uint32ToDate } from './utils';
 import { readEntries, writeEntries } from './file_entry';
 import { STORAGE_TYPES, ACCESS_TYPES } from './constants';
diff --git a/js/formats/prodos/file_entry.js b/js/formats/prodos/file_entry.js
index 764e4ae..59a6673 100644
--- a/js/formats/prodos/file_entry.js
+++ b/js/formats/prodos/file_entry.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { dateToUint32, readFileName, writeFileName, uint32ToDate } from './utils';
 import { STORAGE_TYPES, ACCESS_TYPES } from './constants';
 
diff --git a/js/formats/prodos/index.js b/js/formats/prodos/index.js
index bf7c7bf..298ab6b 100644
--- a/js/formats/prodos/index.js
+++ b/js/formats/prodos/index.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { VDH } from './vdh';
 import { BitMap } from './bit_map';
 
diff --git a/js/formats/prodos/sapling_file.js b/js/formats/prodos/sapling_file.js
index aa58447..a81b712 100644
--- a/js/formats/prodos/sapling_file.js
+++ b/js/formats/prodos/sapling_file.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { BLOCK_SIZE, STORAGE_TYPES } from './constants';
 
 export function SaplingFile (volume, fileEntry) {
diff --git a/js/formats/prodos/seedling_file.js b/js/formats/prodos/seedling_file.js
index 5a4d95c..13b3d1d 100644
--- a/js/formats/prodos/seedling_file.js
+++ b/js/formats/prodos/seedling_file.js
@@ -1,13 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
 import { STORAGE_TYPES } from './constants';
 
 export function SeedlingFile (volume, fileEntry) {
diff --git a/js/formats/prodos/tree_file.js b/js/formats/prodos/tree_file.js
index 6f9fedc..62c8e74 100644
--- a/js/formats/prodos/tree_file.js
+++ b/js/formats/prodos/tree_file.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { BLOCK_SIZE, STORAGE_TYPES } from './constants';
 
 export function TreeFile (volume, fileEntry) {
diff --git a/js/formats/prodos/utils.js b/js/formats/prodos/utils.js
index 9dd1588..387511d 100644
--- a/js/formats/prodos/utils.js
+++ b/js/formats/prodos/utils.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug } from '../../util';
 import { STORAGE_TYPES } from './constants';
 import { Directory } from './directory';
diff --git a/js/formats/prodos/vdh.js b/js/formats/prodos/vdh.js
index 86bbbac..62bb1b9 100644
--- a/js/formats/prodos/vdh.js
+++ b/js/formats/prodos/vdh.js
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { dateToUint32, readFileName, writeFileName, uint32ToDate } from './utils';
 import { readEntries, writeEntries } from './file_entry';
 import { STORAGE_TYPES, ACCESS_TYPES } from './constants';
diff --git a/js/formats/types.ts b/js/formats/types.ts
index 9c9a11a..1f44411 100644
--- a/js/formats/types.ts
+++ b/js/formats/types.ts
@@ -1,14 +1,3 @@
-/* Copyright 2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import type { byte, memory, MemberOf } from '../types';
 import type { GamepadConfiguration } from '../ui/types';
 
diff --git a/js/formats/woz.ts b/js/formats/woz.ts
index 5bb6d7e..63475a3 100644
--- a/js/formats/woz.ts
+++ b/js/formats/woz.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug, toHex } from '../util';
 import { bit, byte, word } from '../types';
 import { grabNibble } from './format_utils';
diff --git a/js/gl.ts b/js/gl.ts
index 738da7c..03fde8c 100644
--- a/js/gl.ts
+++ b/js/gl.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { byte, Color, memory, MemoryPages, rom } from './types';
 import { allocMemPages } from './util';
 
diff --git a/js/mmu.ts b/js/mmu.ts
index f0d1ed3..bc78534 100644
--- a/js/mmu.ts
+++ b/js/mmu.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import CPU6502 from './cpu6502';
 import RAM, { RAMState } from './ram';
 import ROM, { ROMState } from './roms/rom';
diff --git a/js/prefs.ts b/js/prefs.ts
index 5df7b85..596e55f 100644
--- a/js/prefs.ts
+++ b/js/prefs.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 const havePrefs = typeof window.localStorage !== 'undefined';
 
 export default class Prefs {
diff --git a/js/ram.ts b/js/ram.ts
index 7483603..17c8380 100644
--- a/js/ram.ts
+++ b/js/ram.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { byte, memory, Memory, Restorable } from './types';
 import { allocMemPages } from './util';
 
diff --git a/js/ui/audio.ts b/js/ui/audio.ts
index 9ea1988..a7e55f3 100644
--- a/js/ui/audio.ts
+++ b/js/ui/audio.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { BOOLEAN_OPTION, OptionHandler } from './options_modal';
 import Apple2IO from '../apple2io';
 import { debug } from '../util';
diff --git a/js/ui/audio_worker.ts b/js/ui/audio_worker.ts
index dbebd7b..a5fd324 100644
--- a/js/ui/audio_worker.ts
+++ b/js/ui/audio_worker.ts
@@ -1,14 +1,3 @@
-/* Copyright 2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 declare global {
     interface AudioWorkletProcessor {
         readonly port: MessagePort;
diff --git a/js/ui/gamepad.ts b/js/ui/gamepad.ts
index e229113..ba4e426 100644
--- a/js/ui/gamepad.ts
+++ b/js/ui/gamepad.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import Apple2IO from '../apple2io';
 import { BUTTON, ButtonType, GamepadConfiguration } from './types';
 
diff --git a/js/ui/keyboard.ts b/js/ui/keyboard.ts
index 1d45c84..186419e 100644
--- a/js/ui/keyboard.ts
+++ b/js/ui/keyboard.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { byte, DeepMemberOf, KnownKeys } from '../types';
 import Apple2IO from '../apple2io';
 import CPU6502 from '../cpu6502';
diff --git a/js/ui/printer.ts b/js/ui/printer.ts
index f329c39..d7ec3c2 100644
--- a/js/ui/printer.ts
+++ b/js/ui/printer.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { byte } from '../types';
 
 /**
diff --git a/js/ui/tape.ts b/js/ui/tape.ts
index ee8d914..30dbfb9 100644
--- a/js/ui/tape.ts
+++ b/js/ui/tape.ts
@@ -1,15 +1,4 @@
 
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { TapeData } from '../types';
 import Apple2IO from '../apple2io';
 import { debug } from '../util';
diff --git a/js/ui/types.ts b/js/ui/types.ts
index bf5345a..37f4f15 100644
--- a/js/ui/types.ts
+++ b/js/ui/types.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import type { KnownKeys } from '../types';
 
 export const BUTTON = {
diff --git a/js/util.ts b/js/util.ts
index dbcf93a..cd74996 100644
--- a/js/util.ts
+++ b/js/util.ts
@@ -1,14 +1,3 @@
-/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided ' as is'  without express or
- * implied warranty.
- */
-
 import { byte, memory, word } from './types';
 
 /*eslint no-console: 0*/
diff --git a/workers/format.worker.ts b/workers/format.worker.ts
index bb03cfc..b970a72 100644
--- a/workers/format.worker.ts
+++ b/workers/format.worker.ts
@@ -1,14 +1,3 @@
-/* Copyright 2021 Will Scullin <scullin@scullinsteel.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- */
-
 import { debug } from '../js/util';
 import { jsonDecode } from '../js/formats/format_utils';
 import {
