[BBC-Micro] Testing sideways RAM

Mark Haysman jumbos.bazzar at btopenworld.com
Fri Jan 15 20:22:37 GMT 2010


> How can I quickly test it, ie. blast some arbitrary data onto it and then 
> read it back?

MODE 0
*H..              (to fill the screen with something)
*SRWRITE 3000+4000 8000 6
CLS
*SRREAD 3000+4000 8000 6

See if it is readable, substituting the 6 for whatever bank you want to 
test. Not a definitative bit test, but it does the trick to see if the RAM 
is alive.

Mark. 




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