Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com
From: Keith Broussard <broussak@earthlink.net>
Newsgroups: scea.yaroze.programming.2d_graphics
Subject: Re: Simple Exmaple of GsBG usage wanted
Date: Wed, 23 Apr 1997 00:07:06 -0500
Organization: SCEA Net Yaroze News
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To: Mario Perdue <mperdue@iquest.net>

Mario Perdue wrote:
> 
> Ed,
> 
> Try changing where you do the GsSortFixBg16. The 'sort' functions
> should be located between the GsClearOt() and the DrawSync(). The way
> it is currently written you add the background to the draw list, then
> loop back to the beginning where you do a GsClearOT(). This
> effectively erases the object before it is displayed.
> 
> It should look more like this:
> 
> do {
>         outputBufferIndex = GsGetActiveBuff();
>         GsSetWorkBase((PACKET*)GpuOutputPacket[outputBufferIndex]);
>         GsClearOt(0, 0,&WorldOrderingTable[outputBufferIndex]);
> 
>         GsSortFixBg16( &bg, &bg_work_area[0],
> &WorldOrderingTable[outputBufferIndex], 1000 );
> 
>         DrawSync(0);
>         VSync(0);
> 
>         pad_data = PadRead();
>         GsSwapDispBuff();
> 
>         GsSortClear( 0x0, 0x0, 0x0,
> &WorldOrderingTable[outputBufferIndex]);
> 
>         GsDrawOt( &WorldOrderingTable[outputBufferIndex] );
> 
> } while ( !(pad_data & PADselect) );
> 
> After you make this change, you should see something on the screen. If
> you have other problems, just shout.
> 
> Mario

Hello Mario,

My name is Keith I am new to the program.  You seem to have a grasp of
whats going on so I would like to know do you have and suggestions on
any books I can read to get a better understanding of the hardware
aspects of the playstation.  I have all of the books I need on 2d and 3d
but I all have trouble intergrating it with the playstations
architecture.