RE: Old Project - Finish It?

According to the Atari BattleZone AVG documentation, it is 1024x1024. I don't know if the DVG is the same or not :(

Jon

At 11:01 PM 2/8/2001 -0600, you wrote:
>Correction, I meant y=128.
>
>-----Original Message-----
>From: owner-vectorlist@synthcom.com
>[mailto:owner-vectorlist@synthcom.com]On Behalf Of Todd Bordelon
>Sent: Thursday, February 08, 2001 10:48 PM
>To: vectorlist@synthcom.com
>Subject: RE: VECTOR: Old Project - Finish It?
>
>
>I'm forgetting something here (getting reoriented with the project)..
>Look at what I have for the Asteroids vector ROM disassembly:
>
>; -------------------------------------------------------------------------
>; 0000 - 0087 : Asteroids test pattern.
>; -------------------------------------------------------------------------
>0000: 80 A0 00 00 ABS (0,128) ; Position Beam to top left
>0004: 00 70 00 00 VCT (0,0) ;
>0008: 00 90 FF 73 VCT (1023,0) ; Draw top of test pattern box
>000C: FF 92 00 70 VCT (0,767) ; Draw right of test pattern box
>0010: 00 90 FF 77 VCT (-1023,0) ; Draw bottom of test pattern box
>0014: FF 96 00 70 VCT (0,-767) ; Draw left of test pattern box
>0018: FF 92 FF 72 VCT (767,767) ; Begin drawing diagonal lines
>001C: 00 86 00 72 VCT (256,-256) ; " "
>0020: FE 87 FE 77 VCT (-511,-511) ; " "
>0024: 00 92 00 76 VCT (-512,512) ; " "
>0028: FE 81 00 72 VCT (256,255) ; " "
>002C: FF 96 FF 72 VCT (767,-767) ; " "
>0030: 7F A3 FF 03 ABS (1023,895) ; Position beam to bottom right
>0034: 00 70 00 00 VCT (0,0) ; Resume diagonal line drawing
>0038: FF 96 FF 76 VCT (-767,-767) ; " "
>003C: FE 81 00 76 VCT (-256,255) ; " "
>0040: 00 92 00 72 VCT (512,512) ; " "
>0044: FE 87 FE 73 VCT (511,-511) ; " "
>0048: 00 86 00 76 VCT (-256,-256) ; " "
>.
>.
>.
>
>I'm not trusting this and think something fishy is in my code.
>Questions:
>
>1.) Look at 0x0030. AVG and DVG has a maximum Y of 768, correct?
>2.) Would someone with an Asteroids verify the test pattern
> starts around X=128 and touches the bottom of the screen
> (no mame, no asteroids right now)
>
>Todd
>
>
>-----Original Message-----
>From: owner-vectorlist@synthcom.com
>[mailto:owner-vectorlist@synthcom.com]On Behalf Of Clay Cowgill
>Sent: Sunday, January 28, 2001 1:03 AM
>To: vectorlist@synthcom.com
>Subject: Re: VECTOR: Old Project - Finish It?
>
>
>Oh, hell yeah! ;-)
>
>-Clay
>
> >I was working on this a LONG time ago. Any interest in it being finished?
> >
> >http://members.home.net/tmbordelon/vect2.jpg
>
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Received on Fri Feb 9 08:24:23 2001