From 41a746fd2c8257d4b995d783f6a30795caafb442 Mon Sep 17 00:00:00 2001
From: Ryan Kennedy <rkennedy9064@gmail.com>
Date: Sun, 5 Apr 2020 17:49:31 -0500
Subject: [PATCH] Always specify plane for clear screen

---
 src/writers/graphics_320x240x256.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/writers/graphics_320x240x256.rs b/src/writers/graphics_320x240x256.rs
index ae89116..04b1fe7 100644
--- a/src/writers/graphics_320x240x256.rs
+++ b/src/writers/graphics_320x240x256.rs
@@ -22,6 +22,11 @@ impl Screen for Graphics320x240x256 {
 
 impl GraphicsWriter<u8> for Graphics320x240x256 {
     fn clear_screen(&self, color: u8) {
+        {
+            let mut vga = VGA.lock();
+            vga.sequencer_registers
+                .set_plane_mask(PlaneMask::ALL_PLANES);
+        }
         unsafe {
             self.get_frame_buffer().write_bytes(color, Self::SIZE);
         }