Path: chuka.playstation.co.uk!news
From: "Greg Cook" <gjc53@student.canterbury.ac.nz>
Newsgroups: scee.yaroze.freetalk.english
Subject: Re: Basic beginner questions
Date: Mon, 13 May 2002 09:20:39 +1200
Organization: PlayStation Net Yaroze (SCEE)
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Thanks Chris and Mark, That does help alot to explain a few things, so much
to learn with this system, ive donwloaded so many bits of code and looked
over it that my eyes are killing :)

anyways im still working on it all, would love to have more time to work
with it.

Greg


"Mark O'Shea" <mos@dk.ibm.com> wrote in message
news:3CDE9656.69719B33@dk.ibm.com...
> > >
> > > i also have a question about loadfont
> > >
> > >  FntLoad(960, 256);  what are these magical numbers? ive looked
through
> > the
> > > bookand it doesnt mention these number anywhere that i could see, what
am
> > i
> > > missing.
>
> The numbers indicate where in VRAM the "fonts"(4bit TIM file) are to be
put. If
> you change them just make sure that 1) it is within VRAM's adressable
space of
> 1024x512. 2) the "fonts" have a width of 64x128 so make sure they don't
fall of
> the edge of VRAMs area. 3) and of course don't put the fonts on top of
your
> double buffer or where your game graphics are.
>
> > > ive used this line
> > > #define YAROZE_SCENE_ADD (0x80090000)
> > >
> > > according to some demos ive seen they used 0x80100000
> > >
> > > i tried using this value but found that my graphic didnt appear,
should
> > > either location work?
>
> Yes either should work but...
>   I am sure you know this but just in case.The space available to us goes
from
> 0x80090000 to 0x801fff00. The graphics, sound etc. everything has to go
into
> that space including the game itself. So it is quite easy to have
different data
> overlapping each other if you're not careful.
>   I'm guessing your TIM is trying to occupy the same space as your
executable.
> And as the EXE is normally the last thing that is loaded, your TIM is
gone. Just
> stick with 0x80090000 and if you ever get up to 0x80100000 you'll have to
change
> the adress where the EXE is loaded. In GCC you'll have to edit your
Makefile and
> if your using Codewarrior you need to go into Target Settings/Mips Linker
Panel
> and change the "Code Adress".
>
>     Mark
>