# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1368883974 -7200
# Node ID b083f37c2930997087b253ec4648664b5ff03516
# Parent  49d2d60054a169a0113d80bc0f87d9d9499be2d6
Added notes about a display suspend capability.

diff -r 49d2d60054a1 -r b083f37c2930 Electron.txt
--- a/Electron.txt	Mon Apr 29 23:31:53 2013 +0200
+++ b/Electron.txt	Sat May 18 15:32:54 2013 +0200
@@ -59,6 +59,12 @@
 possible to just "borrow" one of the chips in order to isolate 8K of RAM for
 direct access by the CPU.
 
+Being able to disable the ULA's access to RAM for a period of time while also
+disabling the video signal, effectively achieving the same as blanking the
+palette, would be a very simple but useful enhancement that would speed up
+programs needing to render large amounts of non-real-time content to the
+screen.
+
 Improving Display Capabilities
 ------------------------------
 
diff -r 49d2d60054a1 -r b083f37c2930 ULA.txt
--- a/ULA.txt	Mon Apr 29 23:31:53 2013 +0200
+++ b/ULA.txt	Sat May 18 15:32:54 2013 +0200
@@ -487,7 +487,9 @@
 
 This function is reminiscent of a capability of the ZX81, albeit necessary on
 that hardware to reduce the load on the system CPU which was responsible for
-producing the video output.
+producing the video output. By allowing display suspend on the Electron, the
+performance benefit would be derived from giving the CPU full access to the
+memory bandwidth.
 
 Enhancement: Hardware Sprites
 -----------------------------