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Forums > C64 Coding > fli every second line with open sideborders
2008-10-20 19:52
Testa
Account closed

Registered: Oct 2004
Posts: 197
fli every second line with open sideborders

hi i have a little discusion with a friend about fli and open sideborders, he claims that he saw some years ago a demo with fli and open sideborders but he can't remember witch demo it was.

i think that the trick is not possible and that he mixed things up... i coded a little routine and did not succeed.
i have on a bad line no free cycles (at the right moment) to mod $d011 and $d016..


in bitmap mode i get some weird looking streched grapics..
and in txtmode i get no graphics at all, just black lines.
with the border closed every second line..

who can help us a little bit here....

bye
Testa






 
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2008-10-22 06:25
HCL

Registered: Feb 2003
Posts: 728
Quote: I guess storing gfx is not such a big deal.. since you only have fli-every-other-line, you've got $1000 free for sprites.

Werner, what are you talking about? This is FLI-every-other-line with open sideborder. ..which means the bitmap gfx will be stretched all the way down. You can only change it with d018/dd00. So, you use as many different color-banks as you have, which will probably be something like 15-16 for an idle bank. ..and sprites.. Well, you have plenty of space for them as well :).
2008-10-22 11:06
Testa
Account closed

Registered: Oct 2004
Posts: 197
Yep, i checked the code and i figured it out.. the bitmap graphics are streched. indeed. i didn't know that it is possible to stretch bitmap graphics aswell... too bad, i wanted to make fpp every second line out of it... well i learned something...
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