From c6ec18aeb84fe6f59613f932f96c629191d18d3d Mon Sep 17 00:00:00 2001
From: CHatingPython <chatingpython@gmail.com>
Date: Sat, 6 Jun 2026 17:43:35 +0200
Subject: [PATCH] feat(furvm): add return instructions

---
 furvm/include/furvm/instruction.hpp | 10 ++++++++++
 furvm/src/main.cpp                  |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/furvm/include/furvm/instruction.hpp b/furvm/include/furvm/instruction.hpp
index 2ca340f..9a832d7 100644
--- a/furvm/include/furvm/instruction.hpp
+++ b/furvm/include/furvm/instruction.hpp
@@ -27,6 +27,16 @@ enum class instruction_t : byte {
      * @brief Duplicates top element on the stack.
      */
     Duplicate,
+
+    /**
+     * @brief Pops the current call frame.
+     */
+    Return,
+
+    /**
+     * @brief Pops the current call frame and pushes the first element from the previous stack onto the new stack.
+     */
+    ReturnValue,
 };
 
 struct instruction {
diff --git a/furvm/src/main.cpp b/furvm/src/main.cpp
index b35caaa..e6f849d 100644
--- a/furvm/src/main.cpp
+++ b/furvm/src/main.cpp
@@ -7,7 +7,7 @@
 #include <cstddef>
 
 static constexpr std::array<furvm::byte, 1> s_bytecode = {
-    furvm::byte(furvm::instruction_t::NoOperation),
+    furvm::byte(furvm::instruction_t::Return),
 };
 
 int main(void) {