diff --git a/day-16/Sample.mjs b/day-16/Sample.mjs
new file mode 100644
index 0000000..48ebe28
--- /dev/null
+++ b/day-16/Sample.mjs
@@ -0,0 +1,22 @@
+import operations from './operations';
+
+const DEFINITION_REGEXP = /\d+/g;
+
+class Sample {
+  constructor(definition) {
+    const numbers = definition.match(DEFINITION_REGEXP).map(Number);
+    this.before = numbers.slice(0, 4);
+    [this.opcode, this.inputA, this.inputB, this.outputC] = numbers.slice(4, 8);
+    this.after = numbers.slice(8);
+  }
+
+  probe() {
+    return operations.filter((operation) => {
+      const data = [].concat(this.before);
+      operation(data, this.inputA, this.inputB, this.outputC);
+      return data.toString() === this.after.toString();
+    });
+  }
+}
+
+export default Sample;
diff --git a/day-16/index.mjs b/day-16/index.mjs
new file mode 100755
index 0000000..b0d8133
--- /dev/null
+++ b/day-16/index.mjs
@@ -0,0 +1,42 @@
+#!/usr/bin/env node --experimental-modules --no-warnings
+
+import Sample from './Sample';
+import input from './input';
+import operations from './operations';
+import { day } from '../utils';
+
+const [sampling, program] = input.split('\n\n\n\n');
+const samples = sampling.split('\n\n').map(definition => new Sample(definition));
+
+day(16).part(1).solution(() => (
+  samples.filter(sample => (
+    sample.probe().length >= 3
+  )).length
+));
+
+day(16).part(2).solution(() => {
+  const remaining = new Set(samples);
+  while (remaining.size) {
+    for (const sample of remaining) {
+      const candidates = sample.probe().filter(operation => (
+        operation.opcode === undefined
+      ));
+      if (candidates.length === 1) {
+        const [operation] = candidates;
+        operation.opcode = sample.opcode;
+      }
+      if (candidates.length <= 1) {
+        remaining.delete(sample);
+      }
+    }
+  }
+
+  const data = [0, 0, 0, 0];
+  const lines = program.split('\n');
+  for (const line of lines) {
+    const [opcode, inputA, inputB, outputC] = line.match(/\d+/g).map(Number);
+    const operation = operations.find(candidate => candidate.opcode === opcode);
+    operation(data, inputA, inputB, outputC);
+  }
+  return data[0];
+});
diff --git a/day-16/input/example.mjs b/day-16/input/example.mjs
new file mode 100644
index 0000000..25293df
--- /dev/null
+++ b/day-16/input/example.mjs
@@ -0,0 +1,6 @@
+export default `Before: [3, 2, 1, 1]
+9 2 1 2
+After:  [3, 2, 2, 1]
+
+
+9 1 1 1`;
diff --git a/day-16/input/index.mjs b/day-16/input/index.mjs
new file mode 100644
index 0000000..399abd4
--- /dev/null
+++ b/day-16/input/index.mjs
@@ -0,0 +1,4041 @@
+export default `Before: [3, 1, 2, 3]
+5 3 1 1
+After:  [3, 0, 2, 3]
+
+Before: [1, 1, 2, 2]
+9 0 2 0
+After:  [0, 1, 2, 2]
+
+Before: [0, 1, 3, 3]
+12 1 0 3
+After:  [0, 1, 3, 1]
+
+Before: [1, 0, 2, 3]
+9 0 2 2
+After:  [1, 0, 0, 3]
+
+Before: [3, 0, 2, 2]
+8 0 3 0
+After:  [1, 0, 2, 2]
+
+Before: [3, 1, 0, 0]
+11 2 0 2
+After:  [3, 1, 1, 0]
+
+Before: [0, 1, 2, 2]
+7 0 0 3
+After:  [0, 1, 2, 0]
+
+Before: [0, 1, 0, 0]
+15 1 3 3
+After:  [0, 1, 0, 1]
+
+Before: [3, 0, 0, 2]
+8 0 3 1
+After:  [3, 1, 0, 2]
+
+Before: [0, 2, 2, 1]
+3 3 2 0
+After:  [1, 2, 2, 1]
+
+Before: [1, 1, 3, 0]
+15 1 3 2
+After:  [1, 1, 1, 0]
+
+Before: [3, 1, 1, 2]
+1 1 3 0
+After:  [0, 1, 1, 2]
+
+Before: [2, 1, 3, 0]
+15 1 3 1
+After:  [2, 1, 3, 0]
+
+Before: [3, 0, 1, 3]
+6 2 3 1
+After:  [3, 0, 1, 3]
+
+Before: [2, 1, 1, 2]
+1 1 3 1
+After:  [2, 0, 1, 2]
+
+Before: [3, 2, 1, 3]
+6 2 3 2
+After:  [3, 2, 0, 3]
+
+Before: [2, 1, 2, 2]
+1 1 3 1
+After:  [2, 0, 2, 2]
+
+Before: [1, 2, 1, 3]
+5 3 2 2
+After:  [1, 2, 0, 3]
+
+Before: [3, 2, 2, 2]
+10 0 2 1
+After:  [3, 1, 2, 2]
+
+Before: [0, 1, 0, 0]
+15 1 3 0
+After:  [1, 1, 0, 0]
+
+Before: [0, 0, 2, 1]
+5 0 0 2
+After:  [0, 0, 1, 1]
+
+Before: [3, 1, 3, 2]
+1 1 3 0
+After:  [0, 1, 3, 2]
+
+Before: [2, 1, 3, 2]
+4 3 2 0
+After:  [2, 1, 3, 2]
+
+Before: [0, 2, 3, 3]
+4 1 2 0
+After:  [2, 2, 3, 3]
+
+Before: [0, 1, 0, 0]
+12 1 0 3
+After:  [0, 1, 0, 1]
+
+Before: [2, 1, 3, 3]
+11 0 2 2
+After:  [2, 1, 1, 3]
+
+Before: [0, 3, 2, 1]
+3 3 2 2
+After:  [0, 3, 1, 1]
+
+Before: [0, 1, 3, 3]
+12 1 0 0
+After:  [1, 1, 3, 3]
+
+Before: [0, 3, 0, 1]
+7 0 0 1
+After:  [0, 0, 0, 1]
+
+Before: [1, 0, 2, 1]
+14 3 3 3
+After:  [1, 0, 2, 0]
+
+Before: [2, 3, 3, 2]
+4 0 2 1
+After:  [2, 2, 3, 2]
+
+Before: [1, 2, 2, 2]
+13 2 2 0
+After:  [2, 2, 2, 2]
+
+Before: [3, 0, 3, 2]
+4 3 2 3
+After:  [3, 0, 3, 2]
+
+Before: [0, 1, 3, 2]
+1 1 3 2
+After:  [0, 1, 0, 2]
+
+Before: [1, 0, 1, 1]
+2 3 1 0
+After:  [1, 0, 1, 1]
+
+Before: [0, 1, 1, 3]
+6 1 3 3
+After:  [0, 1, 1, 0]
+
+Before: [0, 2, 3, 1]
+5 2 3 0
+After:  [0, 2, 3, 1]
+
+Before: [2, 3, 3, 1]
+5 2 3 0
+After:  [0, 3, 3, 1]
+
+Before: [2, 1, 2, 2]
+13 2 2 0
+After:  [2, 1, 2, 2]
+
+Before: [1, 2, 3, 1]
+5 2 3 3
+After:  [1, 2, 3, 0]
+
+Before: [1, 2, 0, 2]
+14 3 3 0
+After:  [0, 2, 0, 2]
+
+Before: [2, 1, 0, 2]
+14 3 3 2
+After:  [2, 1, 0, 2]
+
+Before: [2, 2, 3, 1]
+11 0 2 3
+After:  [2, 2, 3, 1]
+
+Before: [2, 3, 3, 2]
+4 3 2 2
+After:  [2, 3, 2, 2]
+
+Before: [2, 2, 1, 1]
+14 3 3 3
+After:  [2, 2, 1, 0]
+
+Before: [2, 1, 3, 2]
+14 3 3 3
+After:  [2, 1, 3, 0]
+
+Before: [2, 1, 0, 3]
+10 0 1 3
+After:  [2, 1, 0, 1]
+
+Before: [0, 1, 2, 1]
+0 1 2 0
+After:  [0, 1, 2, 1]
+
+Before: [3, 2, 0, 0]
+11 2 0 2
+After:  [3, 2, 1, 0]
+
+Before: [3, 1, 0, 1]
+11 2 0 2
+After:  [3, 1, 1, 1]
+
+Before: [1, 1, 3, 0]
+15 1 3 3
+After:  [1, 1, 3, 1]
+
+Before: [0, 0, 3, 2]
+14 3 3 0
+After:  [0, 0, 3, 2]
+
+Before: [2, 1, 3, 1]
+10 0 1 3
+After:  [2, 1, 3, 1]
+
+Before: [1, 1, 2, 3]
+0 1 2 2
+After:  [1, 1, 0, 3]
+
+Before: [0, 2, 2, 3]
+13 3 3 2
+After:  [0, 2, 3, 3]
+
+Before: [1, 1, 3, 3]
+5 3 3 3
+After:  [1, 1, 3, 1]
+
+Before: [1, 2, 3, 3]
+4 1 2 1
+After:  [1, 2, 3, 3]
+
+Before: [1, 1, 2, 3]
+5 2 2 3
+After:  [1, 1, 2, 1]
+
+Before: [2, 0, 3, 3]
+11 0 2 2
+After:  [2, 0, 1, 3]
+
+Before: [1, 0, 2, 3]
+13 2 2 1
+After:  [1, 2, 2, 3]
+
+Before: [0, 1, 2, 1]
+7 0 0 1
+After:  [0, 0, 2, 1]
+
+Before: [2, 0, 2, 3]
+13 2 2 2
+After:  [2, 0, 2, 3]
+
+Before: [3, 0, 1, 0]
+2 2 1 0
+After:  [1, 0, 1, 0]
+
+Before: [3, 3, 3, 3]
+5 3 2 1
+After:  [3, 1, 3, 3]
+
+Before: [0, 1, 2, 3]
+12 1 0 2
+After:  [0, 1, 1, 3]
+
+Before: [2, 0, 3, 1]
+11 0 2 3
+After:  [2, 0, 3, 1]
+
+Before: [2, 1, 2, 1]
+3 3 2 1
+After:  [2, 1, 2, 1]
+
+Before: [2, 1, 3, 0]
+11 0 2 2
+After:  [2, 1, 1, 0]
+
+Before: [0, 1, 2, 2]
+1 1 3 0
+After:  [0, 1, 2, 2]
+
+Before: [2, 0, 3, 3]
+4 0 2 1
+After:  [2, 2, 3, 3]
+
+Before: [3, 0, 1, 1]
+2 3 1 3
+After:  [3, 0, 1, 1]
+
+Before: [2, 2, 1, 2]
+8 0 2 1
+After:  [2, 1, 1, 2]
+
+Before: [3, 2, 3, 3]
+4 1 2 0
+After:  [2, 2, 3, 3]
+
+Before: [1, 1, 2, 3]
+0 1 2 0
+After:  [0, 1, 2, 3]
+
+Before: [2, 1, 1, 1]
+8 0 2 1
+After:  [2, 1, 1, 1]
+
+Before: [1, 2, 2, 3]
+5 2 1 2
+After:  [1, 2, 1, 3]
+
+Before: [2, 3, 1, 2]
+8 0 2 3
+After:  [2, 3, 1, 1]
+
+Before: [0, 1, 2, 1]
+12 1 0 1
+After:  [0, 1, 2, 1]
+
+Before: [0, 1, 1, 3]
+12 1 0 1
+After:  [0, 1, 1, 3]
+
+Before: [2, 1, 3, 0]
+15 1 3 0
+After:  [1, 1, 3, 0]
+
+Before: [0, 1, 2, 2]
+1 1 3 3
+After:  [0, 1, 2, 0]
+
+Before: [3, 2, 2, 2]
+8 0 3 1
+After:  [3, 1, 2, 2]
+
+Before: [1, 2, 0, 3]
+13 3 3 2
+After:  [1, 2, 3, 3]
+
+Before: [0, 1, 0, 1]
+12 1 0 3
+After:  [0, 1, 0, 1]
+
+Before: [3, 2, 2, 3]
+6 1 3 1
+After:  [3, 0, 2, 3]
+
+Before: [1, 2, 3, 2]
+4 3 2 2
+After:  [1, 2, 2, 2]
+
+Before: [3, 2, 2, 3]
+10 0 2 2
+After:  [3, 2, 1, 3]
+
+Before: [2, 1, 2, 2]
+0 1 2 2
+After:  [2, 1, 0, 2]
+
+Before: [2, 3, 2, 3]
+5 3 3 2
+After:  [2, 3, 1, 3]
+
+Before: [1, 1, 2, 3]
+6 2 3 3
+After:  [1, 1, 2, 0]
+
+Before: [2, 1, 1, 3]
+6 2 3 2
+After:  [2, 1, 0, 3]
+
+Before: [3, 2, 3, 2]
+4 1 2 1
+After:  [3, 2, 3, 2]
+
+Before: [1, 0, 2, 2]
+9 0 2 1
+After:  [1, 0, 2, 2]
+
+Before: [0, 3, 3, 2]
+5 0 0 1
+After:  [0, 1, 3, 2]
+
+Before: [1, 1, 3, 3]
+5 3 2 3
+After:  [1, 1, 3, 1]
+
+Before: [3, 1, 0, 2]
+1 1 3 0
+After:  [0, 1, 0, 2]
+
+Before: [0, 1, 1, 0]
+12 1 0 0
+After:  [1, 1, 1, 0]
+
+Before: [3, 0, 3, 2]
+8 0 3 2
+After:  [3, 0, 1, 2]
+
+Before: [1, 0, 1, 1]
+14 3 3 1
+After:  [1, 0, 1, 1]
+
+Before: [3, 1, 1, 0]
+15 1 3 3
+After:  [3, 1, 1, 1]
+
+Before: [3, 0, 1, 0]
+2 2 1 2
+After:  [3, 0, 1, 0]
+
+Before: [3, 1, 0, 2]
+8 0 3 2
+After:  [3, 1, 1, 2]
+
+Before: [0, 1, 3, 0]
+12 1 0 0
+After:  [1, 1, 3, 0]
+
+Before: [2, 3, 3, 3]
+4 0 2 3
+After:  [2, 3, 3, 2]
+
+Before: [3, 2, 2, 2]
+8 0 3 0
+After:  [1, 2, 2, 2]
+
+Before: [3, 1, 3, 0]
+15 1 3 0
+After:  [1, 1, 3, 0]
+
+Before: [2, 1, 2, 2]
+1 1 3 3
+After:  [2, 1, 2, 0]
+
+Before: [0, 1, 2, 2]
+1 1 3 2
+After:  [0, 1, 0, 2]
+
+Before: [2, 2, 1, 3]
+8 0 2 0
+After:  [1, 2, 1, 3]
+
+Before: [1, 1, 2, 2]
+0 1 2 0
+After:  [0, 1, 2, 2]
+
+Before: [0, 1, 3, 2]
+4 3 2 2
+After:  [0, 1, 2, 2]
+
+Before: [2, 1, 2, 3]
+6 1 3 0
+After:  [0, 1, 2, 3]
+
+Before: [2, 1, 2, 3]
+10 0 1 2
+After:  [2, 1, 1, 3]
+
+Before: [1, 1, 2, 2]
+9 0 2 2
+After:  [1, 1, 0, 2]
+
+Before: [3, 1, 1, 3]
+6 2 3 2
+After:  [3, 1, 0, 3]
+
+Before: [1, 1, 2, 0]
+9 0 2 0
+After:  [0, 1, 2, 0]
+
+Before: [3, 1, 3, 1]
+14 3 3 1
+After:  [3, 0, 3, 1]
+
+Before: [1, 1, 0, 0]
+15 1 3 3
+After:  [1, 1, 0, 1]
+
+Before: [0, 0, 2, 1]
+3 3 2 2
+After:  [0, 0, 1, 1]
+
+Before: [2, 3, 3, 2]
+4 0 2 3
+After:  [2, 3, 3, 2]
+
+Before: [2, 2, 1, 3]
+6 2 3 1
+After:  [2, 0, 1, 3]
+
+Before: [2, 1, 2, 1]
+3 3 2 2
+After:  [2, 1, 1, 1]
+
+Before: [2, 2, 3, 2]
+14 3 3 2
+After:  [2, 2, 0, 2]
+
+Before: [1, 1, 2, 2]
+0 1 2 2
+After:  [1, 1, 0, 2]
+
+Before: [2, 1, 0, 3]
+6 1 3 2
+After:  [2, 1, 0, 3]
+
+Before: [3, 2, 2, 0]
+13 2 2 3
+After:  [3, 2, 2, 2]
+
+Before: [0, 1, 1, 0]
+12 1 0 2
+After:  [0, 1, 1, 0]
+
+Before: [2, 1, 0, 2]
+10 0 1 2
+After:  [2, 1, 1, 2]
+
+Before: [1, 0, 0, 2]
+2 0 1 1
+After:  [1, 1, 0, 2]
+
+Before: [0, 1, 2, 1]
+3 3 2 0
+After:  [1, 1, 2, 1]
+
+Before: [0, 1, 3, 0]
+12 1 0 3
+After:  [0, 1, 3, 1]
+
+Before: [0, 1, 2, 3]
+13 3 3 1
+After:  [0, 3, 2, 3]
+
+Before: [0, 1, 2, 1]
+12 1 0 0
+After:  [1, 1, 2, 1]
+
+Before: [0, 1, 1, 1]
+14 2 3 0
+After:  [0, 1, 1, 1]
+
+Before: [0, 2, 2, 3]
+6 2 3 1
+After:  [0, 0, 2, 3]
+
+Before: [3, 1, 0, 0]
+15 1 3 2
+After:  [3, 1, 1, 0]
+
+Before: [1, 0, 3, 1]
+2 0 1 0
+After:  [1, 0, 3, 1]
+
+Before: [2, 1, 1, 2]
+8 0 2 0
+After:  [1, 1, 1, 2]
+
+Before: [2, 1, 2, 2]
+10 0 1 2
+After:  [2, 1, 1, 2]
+
+Before: [2, 2, 2, 1]
+3 3 2 1
+After:  [2, 1, 2, 1]
+
+Before: [2, 1, 3, 2]
+11 0 2 1
+After:  [2, 1, 3, 2]
+
+Before: [3, 2, 3, 2]
+8 0 3 3
+After:  [3, 2, 3, 1]
+
+Before: [1, 2, 0, 3]
+6 1 3 3
+After:  [1, 2, 0, 0]
+
+Before: [2, 1, 0, 2]
+1 1 3 1
+After:  [2, 0, 0, 2]
+
+Before: [3, 3, 1, 3]
+13 3 3 3
+After:  [3, 3, 1, 3]
+
+Before: [1, 2, 2, 1]
+3 3 2 3
+After:  [1, 2, 2, 1]
+
+Before: [2, 1, 3, 2]
+1 1 3 1
+After:  [2, 0, 3, 2]
+
+Before: [2, 1, 3, 2]
+10 0 1 0
+After:  [1, 1, 3, 2]
+
+Before: [1, 0, 2, 1]
+3 3 2 2
+After:  [1, 0, 1, 1]
+
+Before: [1, 1, 3, 2]
+1 1 3 2
+After:  [1, 1, 0, 2]
+
+Before: [2, 2, 3, 0]
+11 0 2 1
+After:  [2, 1, 3, 0]
+
+Before: [3, 0, 0, 2]
+14 3 3 1
+After:  [3, 0, 0, 2]
+
+Before: [3, 1, 3, 0]
+15 1 3 2
+After:  [3, 1, 1, 0]
+
+Before: [2, 1, 2, 1]
+3 3 2 0
+After:  [1, 1, 2, 1]
+
+Before: [0, 1, 3, 2]
+12 1 0 2
+After:  [0, 1, 1, 2]
+
+Before: [3, 3, 0, 3]
+11 2 0 3
+After:  [3, 3, 0, 1]
+
+Before: [2, 0, 3, 1]
+2 3 1 2
+After:  [2, 0, 1, 1]
+
+Before: [1, 3, 0, 2]
+14 3 3 0
+After:  [0, 3, 0, 2]
+
+Before: [3, 0, 0, 2]
+8 0 3 3
+After:  [3, 0, 0, 1]
+
+Before: [3, 0, 2, 1]
+3 3 2 2
+After:  [3, 0, 1, 1]
+
+Before: [3, 1, 0, 3]
+11 2 0 2
+After:  [3, 1, 1, 3]
+
+Before: [0, 1, 0, 3]
+12 1 0 1
+After:  [0, 1, 0, 3]
+
+Before: [2, 2, 2, 1]
+3 3 2 0
+After:  [1, 2, 2, 1]
+
+Before: [1, 0, 3, 1]
+2 0 1 3
+After:  [1, 0, 3, 1]
+
+Before: [1, 1, 2, 3]
+9 0 2 0
+After:  [0, 1, 2, 3]
+
+Before: [1, 3, 2, 3]
+6 2 3 2
+After:  [1, 3, 0, 3]
+
+Before: [0, 1, 3, 0]
+7 0 0 3
+After:  [0, 1, 3, 0]
+
+Before: [1, 1, 2, 0]
+15 1 3 1
+After:  [1, 1, 2, 0]
+
+Before: [3, 1, 3, 2]
+1 1 3 1
+After:  [3, 0, 3, 2]
+
+Before: [1, 3, 2, 1]
+9 0 2 3
+After:  [1, 3, 2, 0]
+
+Before: [0, 0, 2, 1]
+7 0 0 1
+After:  [0, 0, 2, 1]
+
+Before: [2, 1, 1, 0]
+15 1 3 2
+After:  [2, 1, 1, 0]
+
+Before: [2, 3, 2, 0]
+13 2 2 0
+After:  [2, 3, 2, 0]
+
+Before: [1, 1, 2, 1]
+9 0 2 1
+After:  [1, 0, 2, 1]
+
+Before: [2, 1, 2, 0]
+15 1 3 1
+After:  [2, 1, 2, 0]
+
+Before: [1, 0, 2, 1]
+9 0 2 2
+After:  [1, 0, 0, 1]
+
+Before: [1, 1, 0, 2]
+1 1 3 2
+After:  [1, 1, 0, 2]
+
+Before: [3, 0, 0, 1]
+2 3 1 0
+After:  [1, 0, 0, 1]
+
+Before: [1, 0, 0, 3]
+2 0 1 3
+After:  [1, 0, 0, 1]
+
+Before: [3, 1, 2, 0]
+0 1 2 1
+After:  [3, 0, 2, 0]
+
+Before: [1, 1, 2, 0]
+0 1 2 1
+After:  [1, 0, 2, 0]
+
+Before: [2, 1, 2, 0]
+0 1 2 3
+After:  [2, 1, 2, 0]
+
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diff --git a/day-16/operations.mjs b/day-16/operations.mjs
new file mode 100644
index 0000000..b6433b2
--- /dev/null
+++ b/day-16/operations.mjs
@@ -0,0 +1,114 @@
+/* eslint-disable max-len, no-param-reassign, no-unused-vars */
+
+/* Addition */
+
+// addr (add register) stores into register C the result of adding register A and register B.
+export const addr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] + data[inputB];
+};
+
+// addi (add immediate) stores into register C the result of adding register A and value B.
+export const addi = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] + inputB;
+};
+
+/* Multiplication */
+
+// mulr (multiply register) stores into register C the result of multiplying register A and register B.
+export const mulr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] * data[inputB];
+};
+
+// muli (multiply immediate) stores into register C the result of multiplying register A and value B.
+export const muli = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] * inputB;
+};
+
+/* Bitwise AND */
+
+// banr (bitwise AND register) stores into register C the result of the bitwise AND of register A and register B.
+export const banr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] & data[inputB];
+};
+
+// bani (bitwise AND immediate) stores into register C the result of the bitwise AND of register A and value B.
+export const bani = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] & inputB;
+};
+
+/* Bitwise OR */
+
+// borr (bitwise OR register) stores into register C the result of the bitwise OR of register A and register B.
+export const borr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] | data[inputB];
+};
+
+// bori (bitwise OR immediate) stores into register C the result of the bitwise OR of register A and value B.
+export const bori = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] | inputB;
+};
+
+/* Assignment */
+
+// setr (set register) copies the contents of register A into register C. (Input B is ignored.)
+export const setr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA];
+};
+
+// seti (set immediate) stores value A into register C. (Input B is ignored.)
+export const seti = (data, inputA, inputB, outputC) => {
+  data[outputC] = inputA;
+};
+
+/* Greater-than testing */
+
+// gtir (greater-than immediate/register) sets register C to 1 if value A is greater than register B. Otherwise, register C is set to 0.
+export const gtir = (data, inputA, inputB, outputC) => {
+  data[outputC] = inputA > data[inputB] ? 1 : 0;
+};
+
+// gtri (greater-than register/immediate) sets register C to 1 if register A is greater than value B. Otherwise, register C is set to 0.
+export const gtri = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] > inputB ? 1 : 0;
+};
+
+// gtrr (greater-than register/register) sets register C to 1 if register A is greater than register B. Otherwise, register C is set to 0.
+export const gtrr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] > data[inputB] ? 1 : 0;
+};
+
+/* Equality testing */
+
+// eqir (equal immediate/register) sets register C to 1 if value A is equal to register B. Otherwise, register C is set to 0.
+export const eqir = (data, inputA, inputB, outputC) => {
+  data[outputC] = inputA === data[inputB] ? 1 : 0;
+};
+
+// eqri (equal register/immediate) sets register C to 1 if register A is equal to value B. Otherwise, register C is set to 0.
+export const eqri = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] === inputB ? 1 : 0;
+};
+
+// eqrr (equal register/register) sets register C to 1 if register A is equal to register B. Otherwise, register C is set to 0.
+export const eqrr = (data, inputA, inputB, outputC) => {
+  data[outputC] = data[inputA] === data[inputB] ? 1 : 0;
+};
+
+export default [
+  addr,
+  addi,
+  mulr,
+  muli,
+  banr,
+  bani,
+  borr,
+  bori,
+  setr,
+  seti,
+  gtir,
+  gtri,
+  gtrr,
+  eqir,
+  eqri,
+  eqrr,
+];