From c04d292c8eca4d5718c83dd4ed9b04f870fb920b Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Sun, 5 Feb 2023 22:53:08 -0500
Subject: [PATCH] Make this more obviously correct, albeit arbitrarily.

Comparing just a single bit would do.
---
 Components/9918/Implementation/YamahaCommands.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Components/9918/Implementation/YamahaCommands.hpp b/Components/9918/Implementation/YamahaCommands.hpp
index 0f4b15e87..3783f6c6d 100644
--- a/Components/9918/Implementation/YamahaCommands.hpp
+++ b/Components/9918/Implementation/YamahaCommands.hpp
@@ -55,7 +55,7 @@ struct Colour {
 	}
 
 	bool has_value() const {
-		return (colour & 0x3) == (colour4bpp & 0x3);
+		return (colour & 0xf) == (colour4bpp & 0xf);
 	}
 
 	/// Colour as written by the CPU.