diff --git a/include/instructions.h b/include/instructions.h
index 6ea7fe1..dea340c 100644
--- a/include/instructions.h
+++ b/include/instructions.h
@@ -34,6 +34,7 @@ public:
   void opcode_83();     // 0x83
   void mov_rm32_r32();  // 0x89
   void nop();           // 0x90
+  void mov_eax_imm32(); // 0xb8
   void mov_ecx_imm32(); // 0xb9
   void mov_ebx_imm32(); // 0xbb
   void jmp_imm8();      // 0xeb
diff --git a/instructions.cpp b/instructions.cpp
index 7660aaa..5f0906a 100644
--- a/instructions.cpp
+++ b/instructions.cpp
@@ -27,6 +27,7 @@ void Instructions::init_instructions(){
   this->instructions[0x83] = &Instructions::opcode_83;
   this->instructions[0x89] = &Instructions::mov_rm32_r32;
   this->instructions[0x90] = &Instructions::nop;
+  this->instructions[0xb8] = &Instructions::mov_eax_imm32;
   this->instructions[0xb9] = &Instructions::mov_ecx_imm32;
   this->instructions[0xbb] = &Instructions::mov_ebx_imm32;
   this->instructions[0xeb] = &Instructions::jmp_imm8;
@@ -228,6 +229,15 @@ void Instructions::nop(){
   printf("nop called.\n");
 }
 
+void Instructions::mov_eax_imm32(){
+  printf("mov_eax_imm32 called.\n");
+
+  this->eip++;
+  uint32_t imm32 = memory.read_uint32(this->eip);
+  this->registers[0] = imm32;
+  this->eip += 3;
+}
+
 void Instructions::mov_ecx_imm32(){
   printf("mov_ecx_imm32 called.\n");