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Forums > C64 Coding > hires colorflash
2014-11-06 20:49
xIII

Registered: Nov 2008
Posts: 210
hires colorflash

I have a Hires picture.
Bitmap @ $2000
colors copied to $d8000-$dae8
screen copied to $0400-$07e8

I want a part of the hires to have a colorflash.
I tried changing the $d800+x color but the colors in the hires are not changing.
I tried the routine with $d020 and it works.

help ?!
2014-11-06 21:01
Wisdom

Registered: Dec 2001
Posts: 90
Try with low and high nibbles of 0400-07e7.
2014-11-06 21:09
xIII

Registered: Nov 2008
Posts: 210
thx Wisdom, that worked.

I don't understand why though ? :p
2014-11-06 21:16
Stryyker

Registered: Dec 2001
Posts: 465
Hires mode only uses the screen area. The $d800 colours are unused. $d800 colours are for when multicolour mode is used. The same rules apply to the background colour $d021
2014-11-06 21:50
Oswald

Registered: Apr 2002
Posts: 5017
2014-11-07 09:47
xIII

Registered: Nov 2008
Posts: 210
Quote:

2014-11-07 10:36
Oswald

Registered: Apr 2002
Posts: 5017
tanslation: can you please do your homework, and learn how c64 modes work?
2014-11-07 13:32
xIII

Registered: Nov 2008
Posts: 210
I'm learning... ;)
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