diff --git a/src/spider/runtime/instr/Instr_000-01F.cpp b/src/spider/runtime/instr/Instr_000-01F.cpp
index c6af0bb..b58e1ad 100644
--- a/src/spider/runtime/instr/Instr_000-01F.cpp
+++ b/src/spider/runtime/instr/Instr_000-01F.cpp
@@ -229,18 +229,70 @@ namespace spider {
 
     void CPU::DIV() {
         // TODO: Implement DIV
+        fetchOperSrc();
+        fetchOperDst();
+        switch(_size){
+            case 0b00: //byte
+                _dst->_i8 = _dst->_i8 / _src->_i8;
+            case 0b01: //short
+                _dst->_i16 = _dst->_i16 / _src->_i16;
+            case 0b10: //int
+                _dst->_i32 = _dst->_i32 / _src->_i32;
+            case 0b11: //long
+                _dst->_i64 = _dst->_i64 / _src->_i64;
+        }
+        (this->*_post)();
     }
 
     void CPU::UDIV() {
         // TODO: Implement UDIV
+        fetchOperSrc();
+        fetchOperDst();
+        switch(_size){
+            case 0b00: //byte
+                _dst->_u8 = _dst->_u8 / _src->_u8;
+            case 0b01: //short
+                _dst->_u16 = _dst->_u16 / _src->_u16;
+            case 0b10: //int
+                _dst->_u32 = _dst->_u32 / _src->_u32;
+            case 0b11: //long
+                _dst->_u64 = _dst->_u64 / _src->_u64;
+        }
+        (this->*_post)();
     }
 
     void CPU::MOD() {
         // TODO: Implement MOD
+        fetchOperSrc();
+        fetchOperDst();
+        switch(_size){
+            case 0b00: //byte
+                _dst->_i8 = _dst->_i8 % _src->_i8;
+            case 0b01: //short
+                _dst->_i16 = _dst->_i16 % _src->_i16;
+            case 0b10: //int
+                _dst->_i32 = _dst->_i32 % _src->_i32;
+            case 0b11: //long
+                _dst->_i64 = _dst->_i64 % _src->_i64;
+        }
+        (this->*_post)();
     }
 
     void CPU::UMOD() {
         // TODO: Implement UMOD
+        fetchOperSrc();
+        fetchOperDst();
+        switch(_size){
+            case 0b00: //byte
+                _dst->_u8 = _dst->_u8 % _src->_u8;
+            case 0b01: //short
+                _dst->_u16 = _dst->_u16 % _src->_u16;
+            case 0b10: //int
+                _dst->_u32 = _dst->_u32 % _src->_u32;
+            case 0b11: //long
+                _dst->_u64 = _dst->_u64 % _src->_u64;
+        }
+        (this->*_post)();
     }
 
     void CPU::DMOD() {