Implemented Value interface

src/core/CompileMemoryStore.go

@@ -28,7 +28,7 @@ func (f *Function) CompileMemoryStore(root *expression.Expression) error {
 	defer f.UseVariable(variable)
 
 	memory := asm.Memory{
-		Base:           variable.Register,
+		Base:           variable.Value.Register,
 		OffsetRegister: math.MaxUint8,
 		Length:         byte(numBytes),
 	}