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Hard to say considering that you have not shown the code where you define "screen", nor said exactly what happened when you write on the screen. Maybe it is just that something went wrong at the initialization, so your screen pointer points nowhere.

With Play-asia, you buy directly in Asia, so I think that you don't pay all the taxes that you should pay when your product enters Europe. Theoretically, they should attach the bill to the packet, and the customs could ask you to pay the taxes.

Do never use float on GP2X. It is extremely slow. As Franxis said, use fixed point arithmetic. Let's be a bit more precise on the example Let's say you use 24.8 representation (24 bits for the integer part and 8 bits for the remaining part). The precision of the number you can define will be...

Stable version of my GP2X port of this puzzle / dungeon crawling game. New features: - Undo (even when you are dead!) - Mimic view: in zoom mode, switch between your mimics. Bug fixes: - Bug fixed in fullscreen interpolation (looks nicer now) - Invisibility potion does not cause slowdown...

For the sound, DROD-Architect Edition uses FMod, a free (as in free beer) but not open-source library. There is therefore no way to compile it for ARM. However, recent versions of DROD are using SDL for sound, so I could try to port sound modules of recent versions to the old source. Maybe in a...

No. The commercial data uses a more recent version of the engine, which is also open-source, but has higher memory requirement. I have a working prototype at home, but it uses swap on SD-Card, which is a Bad Thing. It take 2 minutes to start, too. It could be than one day I try to optimize it...

I did not know that. After a quick googling, it seems that some are actually supported by Linux PDAs. Interesting... So the innovation of this Memory/WiFi card seems to be this integrated file server. Not really interesting for GP2X users.

As far as I understand, this card is not exactly a WiFi card. It is both a memory card and a Wifi file server, giving access to distant machines to the files that the memory contains. It does not mean that it will be impossible to use it as a WiFi card, but it will most certainly require some...

DROD (Deadly Rooms of Death) is a Dungeon crawling / Puzzle game developed by Caravel Games ( http://www.caravelgames.com ) Its principle is simple: you inspect dungeons, you fight monsters with your sword, in turn-by-turn combats. But the silly architecture of these dungeons makes these fights...

Hello, I have to compile libcurl.so and libexpat.so, and in both case, the configure script does not want to generate shared libraries. I use gp2xdev. When I try: ./configure --prefix=/usr/local/gp2xdev/ --host=arm --enable-shared I get: ... checking whether the gp2x-gcc linker...

The classical algorithm for this is called scanline algorithm (you can google it). But in your case, if you can already draw your edges, I would say that there is an easier way. For each polygon, you store for each Y the minimum and maximum values of X such that (X,Y) is a point of one of the...

That is a very, very crazy way to fill a polygon. What you should do is filling triangles row-by-row. Drawing an horizontal line is just filling a segment of memory, which is many times faster than your Bresenham algorithm. And it does not let "holes" everywhere. Seriously, I don't think you...

Decoding Mpeg2 needs less power than decoding DivX. So the GP2X is clearly powerfull enough to read DVDs. EDIT: Well, as sehs33 said, the transfer speed could actually be a problem. But the video player given by GPH will obviously not be able to play encrypted DVDs.

Actually, yes. I am coding a ski game, and I should release an alpha version soon. I'll release the source code, too, so anyone interested in the engine could use it.

I am working on a game in which a landscape is rendered in real time. Each fps count. Therefore, I think that even static dithering is not possible. But I could try. Anyway, I realized that this was mainly a problem with pure grey. When you slightly shift the color to blue, you can have much...

That was reported somewhere, but this is wrong. The version of Vektar given with Value Pack is the 5 level timebattle demo. The value pack includes only free games and demos. It is a bit disappointing, but considering the difference in price between GP2X alone and Value Pack, this is not...

I had the same problem and I solved it by connecting directly the cable to my PC, not to my hub. It has been reported that USB problems could be solved by switching to USB 1, too, but you don't want to do that. And don't spend too much time on this problem, you will switch to card reader at...

Thanks ZX-81! But your link to the game page is broken. The real one is: http://lair.thomsonistes.org/to7/jeux/index