1.1 --- a/Electron.txt Mon Apr 29 23:31:53 2013 +0200
1.2 +++ b/Electron.txt Sat May 18 15:32:54 2013 +0200
1.3 @@ -59,6 +59,12 @@
1.4 possible to just "borrow" one of the chips in order to isolate 8K of RAM for
1.5 direct access by the CPU.
1.6
1.7 +Being able to disable the ULA's access to RAM for a period of time while also
1.8 +disabling the video signal, effectively achieving the same as blanking the
1.9 +palette, would be a very simple but useful enhancement that would speed up
1.10 +programs needing to render large amounts of non-real-time content to the
1.11 +screen.
1.12 +
1.13 Improving Display Capabilities
1.14 ------------------------------
1.15
2.1 --- a/ULA.txt Mon Apr 29 23:31:53 2013 +0200
2.2 +++ b/ULA.txt Sat May 18 15:32:54 2013 +0200
2.3 @@ -487,7 +487,9 @@
2.4
2.5 This function is reminiscent of a capability of the ZX81, albeit necessary on
2.6 that hardware to reduce the load on the system CPU which was responsible for
2.7 -producing the video output.
2.8 +producing the video output. By allowing display suspend on the Electron, the
2.9 +performance benefit would be derived from giving the CPU full access to the
2.10 +memory bandwidth.
2.11
2.12 Enhancement: Hardware Sprites
2.13 -----------------------------