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Posted By

JamesC
on 2004-04-23
16:32:40
 Re: Another Plus/4 question...

Paul,

Lowering BASIC to 61439, and putting the charset at 61440, are the same idea, simply worded differently.

1) POKE55,255 : POKE56,239 : CLR : REM LOWER TOP OF BASIC
2) POKE1177,63 : REM ALTER BASIC PEEK
3) Copy charset to 61440
4) POKE1177,62 : REM RESTORE BASIC PEEK
5) POKE 65298,PEEK(65298) AND 251 : REM TELL TED TO GET CHARS FROM RAM
6) Initialize TED to see your charset at 61440 with POKE 65299,240 (this will set the lower two bits to zero, those bits have to do with a timer that I doubt you'll be running at the time you do this)

You will have a glitch for a moment but then your screen will be fine. I myself would clear the screen before copying the charset, that way there is nothing on the screen to go weird when TED is looking at the wrong data for a split second.



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