instruction: Add MOV instruction

2 files changed, 20 insertions, 0 deletions

diff --git a/instruction.cpp b/instruction.cpp
index 2b67c8e..8509eb6 100644
--- a/instruction.cpp
+++ b/instruction.cpp
@@ -48,3 +48,17 @@ add_instruction::execute(emulator & emulator)
 		emulator.set_value(m_dst[i], val);
 	}
 }
+
+mov_instruction::mov_instruction(std::vector<register_address> dst) :
+	instruction("MOV", NULL, dst, 1)
+	{ }
+
+void
+mov_instruction::execute(emulator & emulator)
+{
+	unsigned int i;
+	for (i = 0; i < m_dst.size(); i++) {
+		emulator.set_value(m_dst[i],
+				   emulator.get_value(m_src_regs[0][i]));
+	}
+}
diff --git a/instruction.h b/instruction.h
index f17530a..8e3a201 100644
--- a/instruction.h
+++ b/instruction.h
@@ -42,4 +42,10 @@ private:
 	std::vector<register_address> m_src1;
 };
 
+class mov_instruction : public instruction {
+public:
+	mov_instruction(std::vector<register_address> dst);
+	void execute(emulator & emulator);
+};
+
 #endif //INSTRUCTION_H_