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@@ -152,8 +152,10 @@ class CodeBox {
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Execute(instruction) {
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Execute(instruction) {
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let output = null;
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let output = null;
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switch(instruction) {
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switch(instruction) {
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+ // NOP
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case " ":
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case " ":
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break;
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break;
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+ // Numbers
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case "1":
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case "1":
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case "2":
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case "2":
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case "3":
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case "3":
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@@ -172,6 +174,7 @@ class CodeBox {
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case "f":
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case "f":
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this.stack.Push(parseInt(instruction, 16));
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this.stack.Push(parseInt(instruction, 16));
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break;
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break;
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+ // Operators
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case "+": {
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case "+": {
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const x = this.stack.Pop();
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const x = this.stack.Pop();
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const y = this.stack.Pop();
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const y = this.stack.Pop();
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@@ -202,12 +205,14 @@ class CodeBox {
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this.stack.Push(y % x);
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this.stack.Push(y % x);
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break;
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break;
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}
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}
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+ // Output
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case "n":
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case "n":
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output = this.stack.Pop();
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output = this.stack.Pop();
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break;
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break;
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case "o":
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case "o":
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output = String.fromCharCode(this.stack.Pop());
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output = String.fromCharCode(this.stack.Pop());
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break;
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break;
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+ // End execution
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case ";":
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case ";":
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output = true;
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output = true;
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break;
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break;
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