1 files changed, 2 insertions, 2 deletions
diff --git a/Emulator/Chip/Q1CpuInstructions.cs b/Emulator/Chip/Q1CpuInstructions.cs
index 72d78e5..0041b25 100644
--- a/Emulator/Chip/Q1CpuInstructions.cs
+++ b/Emulator/Chip/Q1CpuInstructions.cs
@@ -125,14 +125,14 @@ public partial class Q1Cpu
     private void Instruction_SHL(u8 m1, u8 m2)
     {
         u16 v1 = this.Address(m1).read();
-        u16 v2 = this.Address(m1).read();
+        u16 v2 = this.Address(m2).read();
         u16 shifted = (u16) (v1 << v2);
         this.DX = shifted;
     }
     private void Instruction_SHR(u8 m1, u8 m2)
     {
         u16 v1 = this.Address(m1).read();
-        u16 v2 = this.Address(m1).read();
+        u16 v2 = this.Address(m2).read();
         u16 shifted = (u16) (v1 >> v2);
         this.DX = shifted;
     }