From e0c15f43bb915174ecf72d2e1e2de4de1b465b62 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Sat, 9 Nov 2019 00:05:02 -0500
Subject: [PATCH] Avoids massive over-flushing of pixel buffers.

---
 Machines/AtariST/Video.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Machines/AtariST/Video.cpp b/Machines/AtariST/Video.cpp
index a3cff91be..c07cebfc8 100644
--- a/Machines/AtariST/Video.cpp
+++ b/Machines/AtariST/Video.cpp
@@ -281,7 +281,10 @@ void Video::latch_word() {
 }
 
 void Video::shift_out(int length) {
-	if(!pixel_buffer_.pixel_pointer) pixel_buffer_.allocate(crt_);
+	if(!pixel_buffer_.pixel_pointer) {
+		pixel_buffer_.allocate(crt_);
+		pixel_buffer_.output_bpp = output_bpp_;
+	}
 
 	pixel_buffer_.cycles_output += length;
 	switch(output_bpp_) {