From 1378808fa3befb80582e1836705e472755505b73 Mon Sep 17 00:00:00 2001
From: Uri Shaked
Date: Tue, 11 Feb 2025 11:01:48 +0200
Subject: docs: add copyright notice to source code

---
 LICENSE                          | 2 +-
 README.md                        | 2 +-
 demo/src/compile.ts              | 3 +++
 demo/src/cpu-performance.ts      | 3 +++
 demo/src/execute.ts              | 3 +++
 demo/src/format-time.ts          | 3 +++
 demo/src/index.ts                | 3 +++
 demo/src/intelhex.ts             | 3 +++
 demo/src/task-scheduler.ts       | 3 +++
 src/cpu/cpu.ts                   | 3 +++
 src/cpu/instruction.spec.ts      | 5 ++++-
 src/cpu/instruction.ts           | 3 +++
 src/cpu/interrupt.spec.ts        | 3 +++
 src/cpu/interrupt.ts             | 3 +++
 src/index.ts                     | 7 ++-----
 src/peripherals/adc.ts           | 3 +++
 src/peripherals/clock.spec.ts    | 3 +++
 src/peripherals/clock.ts         | 3 +++
 src/peripherals/eeprom.spec.ts   | 3 +++
 src/peripherals/eeprom.ts        | 3 +++
 src/peripherals/gpio.spec.ts     | 3 +++
 src/peripherals/gpio.ts          | 4 ++++
 src/peripherals/spi.spec.ts      | 3 +++
 src/peripherals/spi.ts           | 3 +++
 src/peripherals/timer.spec.ts    | 3 +++
 src/peripherals/timer.ts         | 3 +++
 src/peripherals/twi.spec.ts      | 3 +++
 src/peripherals/twi.ts           | 3 +++
 src/peripherals/usart.spec.ts    | 3 +++
 src/peripherals/usart.ts         | 3 +++
 src/peripherals/usi.ts           | 3 +++
 src/peripherals/watchdog.spec.ts | 3 +++
 src/peripherals/watchdog.ts      | 3 +++
 src/types.ts                     | 3 +++
 src/utils/assembler.spec.ts      | 3 +++
 src/utils/test-utils.ts          | 3 +++
 36 files changed, 105 insertions(+), 8 deletions(-)

diff --git a/LICENSE b/LICENSE
index 85b5d70..267bdc6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2019-2023 Uri Shaked
+Copyright (c) 2019-2025 Uri Shaked
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 3b8343b..38c7d3d 100644
--- a/README.md
+++ b/README.md
@@ -91,4 +91,4 @@ For more information, please check the [Contributing Guide](CONTRIBUTING.md).
 
 ## License
 
-Copyright (C) 2019-2023 Uri Shaked. The code is released under the terms of the MIT license.
+Copyright (C) 2019-2025 Uri Shaked. The code is released under the terms of the MIT license.
diff --git a/demo/src/compile.ts b/demo/src/compile.ts
index fa846b1..fda2416 100644
--- a/demo/src/compile.ts
+++ b/demo/src/compile.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 const url = 'https://hexi.wokwi.com';
 
 export interface HexiResult {
diff --git a/demo/src/cpu-performance.ts b/demo/src/cpu-performance.ts
index 1b1261e..88f9326 100644
--- a/demo/src/cpu-performance.ts
+++ b/demo/src/cpu-performance.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { CPU } from 'avr8js';
 
 export class CPUPerformance {
diff --git a/demo/src/execute.ts b/demo/src/execute.ts
index 5d5c6b4..805ce9a 100644
--- a/demo/src/execute.ts
+++ b/demo/src/execute.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import {
   avrInstruction,
   AVRTimer,
diff --git a/demo/src/format-time.ts b/demo/src/format-time.ts
index a82b3b0..2afdcbf 100644
--- a/demo/src/format-time.ts
+++ b/demo/src/format-time.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 function zeroPad(value: number, length: number) {
   let sval = value.toString();
   while (sval.length < length) {
diff --git a/demo/src/index.ts b/demo/src/index.ts
index a76d1fe..2d35403 100644
--- a/demo/src/index.ts
+++ b/demo/src/index.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import '@wokwi/elements';
 import { LEDElement } from '@wokwi/elements';
 import { PinState } from 'avr8js';
diff --git a/demo/src/intelhex.ts b/demo/src/intelhex.ts
index ba5d6c8..446a5c1 100644
--- a/demo/src/intelhex.ts
+++ b/demo/src/intelhex.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * Minimal Intel HEX loader
  * Part of AVR8js
diff --git a/demo/src/task-scheduler.ts b/demo/src/task-scheduler.ts
index 46413ef..d7e3c23 100644
--- a/demo/src/task-scheduler.ts
+++ b/demo/src/task-scheduler.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 export type IMicroTaskCallback = () => void;
 
 export class MicroTaskScheduler {
diff --git a/src/cpu/cpu.ts b/src/cpu/cpu.ts
index cd9e3e4..62ff40a 100644
--- a/src/cpu/cpu.ts
+++ b/src/cpu/cpu.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR 8 CPU data structures
  * Part of AVR8js
diff --git a/src/cpu/instruction.spec.ts b/src/cpu/instruction.spec.ts
index cf3e547..aa01876 100644
--- a/src/cpu/instruction.spec.ts
+++ b/src/cpu/instruction.spec.ts
@@ -1,7 +1,10 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { CPU } from './cpu';
 import { avrInstruction } from './instruction';
 import { assemble } from '../utils/assembler';
-import { describe, it, expect, vi } from 'vitest';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
 
 const r0 = 0;
 const r1 = 1;
diff --git a/src/cpu/instruction.ts b/src/cpu/instruction.ts
index d29bfb8..d815733 100644
--- a/src/cpu/instruction.ts
+++ b/src/cpu/instruction.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR-8 Instruction Simulation
  * Part of AVR8js
diff --git a/src/cpu/interrupt.spec.ts b/src/cpu/interrupt.spec.ts
index 944dbb9..fbf2ebe 100644
--- a/src/cpu/interrupt.spec.ts
+++ b/src/cpu/interrupt.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it } from 'vitest';
 import { CPU } from './cpu';
 import { avrInterrupt } from './interrupt';
diff --git a/src/cpu/interrupt.ts b/src/cpu/interrupt.ts
index 2e4ceb9..73b56ee 100644
--- a/src/cpu/interrupt.ts
+++ b/src/cpu/interrupt.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR-8 Interrupt Handling
  * Part of AVR8js
diff --git a/src/index.ts b/src/index.ts
index e529bb6..51ca120 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,8 +1,5 @@
-/**
- * AVR8js
- *
- * Copyright (C) 2019, 2020, Uri Shaked
- */
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
 
 export { CPU } from './cpu/cpu';
 export type { CPUMemoryHook, CPUMemoryHooks } from './cpu/cpu';
diff --git a/src/peripherals/adc.ts b/src/peripherals/adc.ts
index 16ccdba..a601b09 100644
--- a/src/peripherals/adc.ts
+++ b/src/peripherals/adc.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR-8 ADC
  * Part of AVR8js
diff --git a/src/peripherals/clock.spec.ts b/src/peripherals/clock.spec.ts
index cb45a14..091dfe5 100644
--- a/src/peripherals/clock.spec.ts
+++ b/src/peripherals/clock.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it } from 'vitest';
 import { CPU } from '../cpu/cpu';
 import { AVRClock, clockConfig } from './clock';
diff --git a/src/peripherals/clock.ts b/src/peripherals/clock.ts
index bf49ac9..05afda1 100644
--- a/src/peripherals/clock.ts
+++ b/src/peripherals/clock.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR8 Clock
  * Part of AVR8js
diff --git a/src/peripherals/eeprom.spec.ts b/src/peripherals/eeprom.spec.ts
index a9cab9b..2b97a39 100644
--- a/src/peripherals/eeprom.spec.ts
+++ b/src/peripherals/eeprom.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it } from 'vitest';
 import { CPU } from '../cpu/cpu';
 import { asmProgram, TestProgramRunner } from '../utils/test-utils';
diff --git a/src/peripherals/eeprom.ts b/src/peripherals/eeprom.ts
index 98c2cc6..186bdcc 100644
--- a/src/peripherals/eeprom.ts
+++ b/src/peripherals/eeprom.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { AVRInterruptConfig, CPU } from '../cpu/cpu';
 import { u16, u32, u8 } from '../types';
 
diff --git a/src/peripherals/gpio.spec.ts b/src/peripherals/gpio.spec.ts
index 046f196..40d4660 100644
--- a/src/peripherals/gpio.spec.ts
+++ b/src/peripherals/gpio.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { CPU } from '../cpu/cpu';
 import { asmProgram, TestProgramRunner } from '../utils/test-utils';
 import { AVRIOPort, portBConfig, PinState, portDConfig, PinOverrideMode } from './gpio';
diff --git a/src/peripherals/gpio.ts b/src/peripherals/gpio.ts
index 92435b9..69db9b1 100644
--- a/src/peripherals/gpio.ts
+++ b/src/peripherals/gpio.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR-8 GPIO Port implementation
  * Part of AVR8js
@@ -5,6 +8,7 @@
  *
  * Copyright (C) 2019-2023 Uri Shaked
  */
+
 import { AVRInterruptConfig, CPU } from '../cpu/cpu';
 import { u8 } from '../types';
 
diff --git a/src/peripherals/spi.spec.ts b/src/peripherals/spi.spec.ts
index 72884c5..582770a 100644
--- a/src/peripherals/spi.spec.ts
+++ b/src/peripherals/spi.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it, vi } from 'vitest';
 import { CPU } from '../cpu/cpu';
 import { asmProgram, TestProgramRunner } from '../utils/test-utils';
diff --git a/src/peripherals/spi.ts b/src/peripherals/spi.ts
index 824b13a..b6d414e 100644
--- a/src/peripherals/spi.ts
+++ b/src/peripherals/spi.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { AVRInterruptConfig, CPU } from '../cpu/cpu';
 import { u8 } from '../types';
 
diff --git a/src/peripherals/timer.spec.ts b/src/peripherals/timer.spec.ts
index cb874c6..6af8215 100644
--- a/src/peripherals/timer.spec.ts
+++ b/src/peripherals/timer.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it, vi } from 'vitest';
 import { CPU } from '../cpu/cpu';
 import { asmProgram, TestProgramRunner } from '../utils/test-utils';
diff --git a/src/peripherals/timer.ts b/src/peripherals/timer.ts
index dfbba35..0c18071 100644
--- a/src/peripherals/timer.ts
+++ b/src/peripherals/timer.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR-8 Timers
  * Part of AVR8js
diff --git a/src/peripherals/twi.spec.ts b/src/peripherals/twi.spec.ts
index 5ddace5..49d06e5 100644
--- a/src/peripherals/twi.spec.ts
+++ b/src/peripherals/twi.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it, vi } from 'vitest';
 import { CPU } from '../cpu/cpu';
 import { asmProgram, TestProgramRunner } from '../utils/test-utils';
diff --git a/src/peripherals/twi.ts b/src/peripherals/twi.ts
index 3d0275c..654da33 100644
--- a/src/peripherals/twi.ts
+++ b/src/peripherals/twi.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { AVRInterruptConfig, CPU } from '../cpu/cpu';
 import { u8 } from '../types';
 
diff --git a/src/peripherals/usart.spec.ts b/src/peripherals/usart.spec.ts
index fcbeec1..eb5cbe1 100644
--- a/src/peripherals/usart.spec.ts
+++ b/src/peripherals/usart.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it, vi } from 'vitest';
 import { CPU } from '../cpu/cpu';
 import { AVRUSART, usart0Config } from './usart';
diff --git a/src/peripherals/usart.ts b/src/peripherals/usart.ts
index 9babe16..c64ec6f 100644
--- a/src/peripherals/usart.ts
+++ b/src/peripherals/usart.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR-8 USART Peripheral
  * Part of AVR8js
diff --git a/src/peripherals/usi.ts b/src/peripherals/usi.ts
index c9e09e7..928e24a 100644
--- a/src/peripherals/usi.ts
+++ b/src/peripherals/usi.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { AVRInterruptConfig, CPU } from '../cpu/cpu';
 import { AVRIOPort } from './gpio';
 
diff --git a/src/peripherals/watchdog.spec.ts b/src/peripherals/watchdog.spec.ts
index df72148..2cc748d 100644
--- a/src/peripherals/watchdog.spec.ts
+++ b/src/peripherals/watchdog.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR8 Watchdog Timer Test Suite
  * Part of AVR8js
diff --git a/src/peripherals/watchdog.ts b/src/peripherals/watchdog.ts
index 979151f..c4803ed 100644
--- a/src/peripherals/watchdog.ts
+++ b/src/peripherals/watchdog.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 /**
  * AVR8 Watchdog Timer
  * Part of AVR8js
diff --git a/src/types.ts b/src/types.ts
index 850cd6b..1139251 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 export type u8 = number;
 export type u16 = number;
 export type i16 = number;
diff --git a/src/utils/assembler.spec.ts b/src/utils/assembler.spec.ts
index 9f66009..26aa7c5 100644
--- a/src/utils/assembler.spec.ts
+++ b/src/utils/assembler.spec.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { describe, expect, it } from 'vitest';
 import { assemble } from './assembler';
 
diff --git a/src/utils/test-utils.ts b/src/utils/test-utils.ts
index 90558d5..8083790 100644
--- a/src/utils/test-utils.ts
+++ b/src/utils/test-utils.ts
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) Uri Shaked and contributors
+
 import { CPU } from '../cpu/cpu';
 import { assemble } from './assembler';
 import { avrInstruction } from '../cpu/instruction';
-- 
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