From 5e7cba3882679e295879e301bbe71d73d73b3de1 Mon Sep 17 00:00:00 2001
From: Peli de Halleux <jhalleux@microsoft.com>
Date: Wed, 2 Aug 2017 15:00:25 -0700
Subject: [PATCH] ensure game library runs in greyscale

---
 libs/core/game.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libs/core/game.ts b/libs/core/game.ts
index 650687a7..a2b569fe 100644
--- a/libs/core/game.ts
+++ b/libs/core/game.ts
@@ -757,15 +757,16 @@ namespace game {
         if (game.isGameOver() || game.isPaused() || !_img) {
             return;
         }
+        // ensure greyscale mode
+        if (led.displayMode() != DisplayMode.Greyscale)
+            led.setDisplayMode(DisplayMode.Greyscale);
+        // render sprites
         let now = input.runningTime();
         _img.clear();
         for (let i = 0; i < _sprites.length; i++) {
             _sprites[i]._plot(now);
         }
-        const mode = led.displayMode() == DisplayMode.Greyscale ? DisplayMode.Greyscale : DisplayMode.BackAndWhite;
-        led.setDisplayMode(DisplayMode.Greyscale);
         _img.plotImage(0);
-        led.setDisplayMode(mode);
     }
 
     /**