ULA

Changeset

117:f1ad140b086b
2019-11-26 Paul Boddie raw files shortlog changelog graph Added a note about keyboard access timings.
ULA.txt (file)
     1.1 --- a/ULA.txt	Tue Apr 09 00:49:32 2019 +0200
     1.2 +++ b/ULA.txt	Tue Nov 26 15:38:07 2019 +0100
     1.3 @@ -420,6 +420,13 @@
     1.4  
     1.5  See: http://stardot.org.uk/forums/viewtopic.php?p=136686#p136686
     1.6  
     1.7 +Keyboard Access
     1.8 +---------------
     1.9 +
    1.10 +The keyboard pages appear to be accessed at 1MHz just like the RAM.
    1.11 +
    1.12 +See: https://stardot.org.uk/forums/viewtopic.php?p=254155#p254155
    1.13 +
    1.14  Shadow/Expanded Memory
    1.15  ----------------------
    1.16