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alonetrio
Joined: 15 May 2005
Posts: 34
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 Posted: Tue May 17, 2005 12:04 pm Post subject: vertical hardscroll or 130560 pixels with less than 1% cpu |
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hey ya!
i'm back with another lame source code called: "lame hardscroll like"
it's just a little sample code to show you how you can "fake" move
130560 pixels with less than 1% cpu.
http://www.psp.to/download.php?dcategory=DEV-CODE&sortby=
i know that's for all old sceners, it's a well known tricks but think about those who nerver seen
a good phenomena ( amiga ) , mcs ;) or delta force ( st ) production ;)
based on this technic i am pretty sure you will find how to code the horizontal one.
btw the vram placement is 8 pixels precision, so you will have to be creative ;)
and to finish, i have a little question : what is the vram size ?
from 0x4000000 to ? |
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Shazz
Joined: 31 Aug 2004
Posts: 244
Location: Somewhere over the rainbow
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| Posted: Tue May 17, 2005 5:15 pm Post subject: |
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I love you Alonetrio :D
Can't wait for a way to test it :D
Shazz/Still on ST :D
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blackdroid
Joined: 17 Jan 2004
Posts: 564
Location: Sweden
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| Posted: Tue May 17, 2005 6:01 pm Post subject: |
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vram mem is 2MB, but you can have the gpu read from main mem, anyway this info is easily found on any psp spec page you can google up.
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Kung VU |
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Lukasz
Joined: 19 Jan 2004
Posts: 248
Location: Denmark
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| Posted: Thu May 19, 2005 7:00 am Post subject: |
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| blackdroid wrote: | | vram mem is 2MB, but you can have the gpu read from main mem |
Please post some code for that.
| blackdroid wrote: | | anyway this info is easily found on any psp spec page you can google up. |
Doesn't change the fact that some one found the post useful, even if you didn't. |
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