27 files changed, 82 insertions, 6 deletions
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';