anchor.diff:      extraBuildInputs = [ libGL libGLU ];
       makefile = "Makefile";
       makeFlags = [ "HAVE_VULKAN=1" "HAVE_OPENGL=1" "HAVE_HW=1" "HAVE_LIGHTREC=1" ];
  -  }); in
  -    drv.override {
  -      name = "beetle-psx-hw-${drv.version}";
  -    };
  -
  -  beetle-saturn = let drv = (mkLibRetroCore {
  +  };
  +
  +  beetle-saturn = mkLibRetroCore {
       core = "mednafen-saturn";
       src = getCoreSrc "beetle-saturn";
       description = "Port of Mednafen's Saturn core to libretro";
  
positive.code:     makefile = "Makefile";
    };
  
    beetle-psx = let drv = (mkLibRetroCore {
      core = "mednafen-psx";
      src = getCoreSrc "beetle-psx";
      description = "Port of Mednafen's PSX Engine core to libretro";
      license = gpl2;
      makefile = "Makefile";
      makeFlags = [ "HAVE_HW=0" "HAVE_LIGHTREC=1" ];
    }); in
      drv.override {
        name = "beetle-psx-${drv.version}";
      };
  
    beetle-psx-hw = let drv = (mkLibRetroCore {
      core = "mednafen-psx-hw";
      src = getCoreSrc "beetle-psx";
      description = "Port of Mednafen's PSX Engine (with HW accel) core to libretro";
  
negative.code:     makefile = "Makefile";
    };
  
    beetle-pce-fast = mkLibRetroCore {
      core = "mednafen-pce-fast";
      src = getCoreSrc "beetle-pce-fast";
      description = "Port of Mednafen's PC Engine core to libretro";
      license = gpl2;
      makefile = "Makefile";
    };
  
    beetle-pcfx = mkLibRetroCore rec {
      core = "mednafen-pcfx";
  