From 86f847115fb31c395aae31b7cb7057d5e5a3cedd Mon Sep 17 00:00:00 2001
From: Christian Speckner <christian.speckner@mayflower.de>
Date: Wed, 31 Jan 2024 21:07:11 +0100
Subject: [PATCH] Fix life display in solaris.

---
 src/emucore/tia/Player.cxx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/emucore/tia/Player.cxx b/src/emucore/tia/Player.cxx
index 9eac6107a..0925f25ee 100644
--- a/src/emucore/tia/Player.cxx
+++ b/src/emucore/tia/Player.cxx
@@ -94,6 +94,15 @@ void Player::nusiz(uInt8 value, bool hblank)
 
   myDecodes = DrawCounterDecodes::get().playerDecodes()[myDecodesOffset];
 
+  // Changing NUSIZ can trigger a decode in the same cycle
+  // (https://github.com/stella-emu/stella/issues/1012)
+  if (!myIsRendering && myDecodes[(myCounter + TIAConstants::H_PIXEL - 1) % TIAConstants::H_PIXEL]) {
+    myIsRendering = true;
+    mySampleCounter = 0;
+    myRenderCounter = renderCounterOffset;
+    myCopy = myDecodes[myCounter - 1];
+  }
+
   if (
     myDecodes != oldDecodes &&
     myIsRendering &&