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Forums > C64 Coding > Spritepointer to $1000 problem
2012-04-23 20:41
madman68
Account closed

Registered: Apr 2011
Posts: 20
Spritepointer to $1000 problem

Hello,

Maybe im dumb....probably but when i put my spritedata at $1000 and higher and i put my spritepointer at $07f8 on $40 (which would mean it points to 64x64 = 4096 = $1000) the data is not in the sprite??

I can not figure this out as it seems correct to me and this priciple works below $1000.

Please can anyone help me before i lose it? :)
 
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2012-04-29 10:46
Digger

Registered: Mar 2005
Posts: 437
Ah, that awesome Skyle hires picture + logo – these were the days :)
2012-04-29 17:27
algorithm

Registered: May 2002
Posts: 705
Ah temporal dither with alternating pixels to minimise the flicker. Hires bitmap mode with same ink paper cols each frame. Could have been done without having to use two screens flicking by utilizing sprite underway or overlays etc
2012-04-29 17:32
algorithm

Registered: May 2002
Posts: 705
Quote: Is there no way to use this area for sprite data then?
Its so strange that this occurs, as in for example the programmers guide tells the spritepointers can be pointed to the whole 1th block....


The programmers reference guide is correct. however gfx data pointed to this areas would use the charset definitions. You can place any data there of course but gfx data would need to be transferred somewhere else to be displayable.
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