Add more emulators

modules/desktop/gaming/emulators.nix

@@ -19,6 +19,10 @@ in {
       default = false;
       example = true;
     };
+    ps1.enable      = lib.mkOption {
+      default = false;
+      example = true;
+    };
     ps2.enable      = lib.mkOption {
       default = false;
       example = true;
@@ -35,14 +39,23 @@ in {
       default = false;
       example = true;
     };
+    switch.enable   = lib.mkOption {
+      default = false;
+      example = true;
+    };
     wii.enable      = lib.mkOption {
       default = false;
       example = true;
     };
+    xbox.enable     = lib.mkOption {
+      default = false;
+      example = true;
+    };
   };
 
   config = {
     user.packages = with pkgs; [
+      (lib.mkIf cfg.ps1.enable duckstation)
       (lib.mkIf cfg.ps2.enable pcsx2)
       (lib.mkIf cfg.ps3.enable rpcs3)
       (lib.mkIf cfg.psp.enable ppsspp)
@@ -51,9 +64,11 @@ in {
              cfg.gb.enable  ||
              cfg.snes.enable)
         higan)
+      (lib.mkIf cfg.switch.enable yuzu-early-access)
       (lib.mkIf (cfg.wii.enable ||
              cfg.gamecube.enable)
         dolphin-emu)
+      (lib.mkIf cfg.xbox.enable xemu)
     ];
   };
 }