diff --git a/src/Cryogenic/Overrides/MT32DriverCode.cs b/src/Cryogenic/Overrides/MT32DriverCode.cs
index 7582f78..001f27b 100644
--- a/src/Cryogenic/Overrides/MT32DriverCode.cs
+++ b/src/Cryogenic/Overrides/MT32DriverCode.cs
@@ -1,33 +1,55 @@
 namespace Cryogenic.Overrides;
+
+using Spice86.Shared.Emulator.Memory;
+
 using System;
 
 public partial class Overrides {
 
     public void DefineMT32DriverCodeOverrides() {
-        DefineFunction(0xF000, 0x100, DNMID_entry_00, true, nameof(DNMID_entry_00));
-        DefineFunction(0xF000, 0x100 + 0x17b, DNMID_entry_01, true, nameof(DNMID_entry_01));
-        DefineFunction(0xF000, 0x1CB, DNMID_internal_function_00, true, nameof(DNMID_internal_function_00));
+        DefineFunction(0xF000, 0x100, DNMID_Driver_JumpTable, true, nameof(DNMID_Driver_JumpTable));
+        DefineFunction(0xF000, 0x01CB, DNMID_internal_function_0xF000_0x1CB, true, nameof(DNMID_internal_function_0xF000_0x1CB));
     }
 
-    private Action DNMID_entry_01(int arg) {
-        var result = Alu16.Xor(AX, AX);
-        if (result == 0) {
-            return NearJump(0x04);
+    private Action DNMID_Driver_JumpTable(int arg) {
+        if(arg == 0) {
+            NearCall(0xF000, 0x100, DNMID_internal_function_0xF000_0x1CB);
         }
-        Cpu.Out16(0x330, AX);
-        return NearJump(0x0);
+        //jmp near ptr 01CBh (E9C800 (3))
+        //jmp near ptr 0250h (E94A01 (3))
+        //jmp near ptr 01E1h (E9D800 (3))
+        //jmp near ptr 023Bh (E92F01 (3))
+        //jmp near ptr 01EEh (E9DF00(3))
+        //jmp near ptr 022Bh (E91601 (3))
+        //jmp near ptr 022Bh (E91601 (3))
+        return NearRet();
     }
 
-    private Action DNMID_entry_00(int arg) {
-        return DNMID_entry_01(0);
-        //return NearJump(0x17b);
-    }
 
-    /// <summary>
-    /// Never called...?!
-    /// </summary>
+    private Action DNMID_internal_function_0xF000_0x1CB(int arg) {
+        //push DS
+        Stack.Push16(DS);
+        //mov AX,CS
+        AX = CS;
+        //mov DS,AX
+        DS = AX;
+        //mov AL,DS:[0x0139]
+        AL = UInt8[new SegmentedAddress(DS, 0x0139)];
+        //or AL,AL
+        State.ZeroFlag = (AL == 0);
+        //jns SHORT 0x033C
+        if (!State.SignFlag) {
+            //dec BYTE PTR DS:[0x011E]
+            UInt16[DS, 0x011E] = Alu16.Dec(UInt16[DS, 0x011E]);
+        }
+        //call DS:0x0349
+        //TODO
+        NearCall(0xF000, 10, DS_0x0349);
+        return NearRet();
+    }
 
-    private Action DNMID_internal_function_00(int arg) {
+    private Action DS_0x0349(int arg) {
         return NearRet();
+        // Implementation of DS:0x0349
     }
 }