diff --git a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/MemoryMap.cs b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/MemoryMap.cs
index dc94847b60..3d28d0d5e6 100644
--- a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/MemoryMap.cs
+++ b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/MemoryMap.cs
@@ -20,7 +20,8 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
 	{
 		public byte ReadMemory(ushort addr)
 		{
-			MemoryCallbacks.CallReads(addr, "System Bus");
+			uint flags = (uint)MemoryCallbackFlags.AccessRead;
+			MemoryCallbacks.CallMemoryCallbacks(addr, 0, flags, "System Bus");
 
 			if (addr < 0x8000)
 			{
@@ -54,7 +55,8 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
 
 		public void WriteMemory(ushort addr, byte value)
 		{
-			MemoryCallbacks.CallWrites(addr, "System Bus");
+			uint flags = (uint)MemoryCallbackFlags.AccessWrite;
+			MemoryCallbacks.CallMemoryCallbacks(addr, value, flags, "System Bus");
 
 			if (addr < 0x8000)
 			{
diff --git a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs
index 442924488f..6e297f9b6a 100644
--- a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs
+++ b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs
@@ -123,7 +123,8 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
 
 		private void ExecFetch(ushort addr)
 		{
-			MemoryCallbacks.CallExecutes(addr, "System Bus");
+			uint flags = (uint)MemoryCallbackFlags.AccessExecute;
+			MemoryCallbacks.CallMemoryCallbacks(addr, 0, flags, "System Bus");
 		}
 
 		private void Setup_Mapper()
diff --git a/BizHawk.Emulation.Cores/Consoles/Sega/GGHawkLink/GGHawkLink.cs b/BizHawk.Emulation.Cores/Consoles/Sega/GGHawkLink/GGHawkLink.cs
index 1401820939..9f58497577 100644
--- a/BizHawk.Emulation.Cores/Consoles/Sega/GGHawkLink/GGHawkLink.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Sega/GGHawkLink/GGHawkLink.cs
@@ -90,7 +90,8 @@ namespace BizHawk.Emulation.Cores.Sega.GGHawkLink
 
 		private void ExecFetch(ushort addr)
 		{
-			MemoryCallbacks.CallExecutes(addr, "System Bus");
+			uint flags = (uint)MemoryCallbackFlags.AccessExecute;
+			MemoryCallbacks.CallMemoryCallbacks(addr, 0, flags, "System Bus");
 		}
 	}
 }