diff --git a/Core/Cpu/Z80.cs b/Core/Cpu/Z80.cs
index 773eaed..1bafaf8 100644
--- a/Core/Cpu/Z80.cs
+++ b/Core/Cpu/Z80.cs
@@ -1897,6 +1897,9 @@ namespace Core.Cpu
                 case 0x7C: // LD A, IXH
                     AF.High = IX.High;
                     return 8;
+                case 0x7D: // LD A, IXL
+                    AF.High = IX.Low;
+                    return 8;
                 case 0x7E: // LD A, (IX+d)
                     sbyte offset7E = (sbyte)FetchByte();
                     ushort address7E = (ushort)(IX.Word + offset7E);
@@ -2222,6 +2225,13 @@ namespace Core.Cpu
                     ushort targetAddr = (ushort)(IY.Word + displacementVal);
                     HL.Low = ReadMemory(targetAddr);
                     return 19;
+                case 0x70: // LD (IY+d), B
+                    {
+                        sbyte offset70 = (sbyte)FetchByte();
+                        ushort address70 = (ushort)(IY.Word + offset70);
+                        WriteMemory(address70, BC.High);
+                        return 19;
+                    }
                 case 0x71: // LD (IY+d), C
                     {
                         sbyte offset71 = (sbyte)FetchByte();
@@ -2332,6 +2342,18 @@ namespace Core.Cpu
                 case 0x63: IY.High = DE.Low; return 8;  // LD IYH, E
                 case 0x64: return 8; // LD IYH, IYH
                 case 0x65: IY.High = IY.Low; return 8;  // LD IYH, IYL
+                case 0x67: // LD IYH, A
+                    IY.High = AF.High;
+                    return 8;
+                case 0x6F: // LD IYL, A
+                    IY.Low = AF.High;
+                    return 8;
+                case 0x7C: // LD A, IYH
+                    AF.High = IY.High;
+                    return 8;
+                case 0x7D: // LD A, IYL
+                    AF.High = IY.Low;
+                    return 8;
                 case 0x68: IY.Low = BC.High; return 8;  // LD IYL, B
                 case 0x69: IY.Low = BC.Low; return 8;   // LD IYL, C
                 case 0x6A: IY.Low = DE.High; return 8;  // LD IYL, D