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dkongjr
MAME Fan
Reged: 03/25/16
Posts: 45
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Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation
04/05/16 11:18 AM


It's good to know you are working on it. So close, you can do it... just do it!




There was a strange change going from 113 to 114 in functions: normalize, distance3, xyz2rqf, col_testpt, and distance:

sqrt(a*a+b*b+c*c)

...turned into:

(a*a+b*b+c*c)/sqrt(a*a+b*b+c*c)


Code:

static void normalize(void)
{
float a = fifoin_pop_f();
float b = fifoin_pop_f();
float c = fifoin_pop_f();

1. float n = sqrt(a*a+b*b+c*c);
2. float n = (a*a+b*b+c*c)/sqrt(a*a+b*b+c*c);

fifoout_push_f(a/n);
fifoout_push_f(b/n);
fifoout_push_f(c/n);
next_fn();
}


I'm not sure how that fits in the game logic as I don't notice any practical difference in neither of the four games, but the second, that is current, implementation I'm pretty sure is mathematically wrong.







Entire thread
Subject Posted by Posted on
* Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr 03/25/16 01:15 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/20/16 12:08 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Roman  04/20/16 12:55 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/20/16 01:23 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/20/16 04:06 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation SailorSat  06/25/16 09:03 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation John IV  04/20/16 05:24 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/20/16 09:15 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation jonwil  04/08/16 02:23 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation jonwil  04/05/16 01:28 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/05/16 05:15 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation AaronGiles  04/05/16 06:59 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/05/16 02:33 PM
. * May the Force be with you SmitdoggAdministrator  03/30/16 03:27 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/26/16 04:40 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation drewcifer  03/27/16 09:19 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/27/16 02:35 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation gregf  03/27/16 07:55 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  03/28/16 10:31 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/29/16 03:28 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  03/29/16 03:13 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/29/16 06:24 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  03/29/16 06:35 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Osso1  03/29/16 06:43 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/30/16 07:15 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation MooglyGuy  03/30/16 08:28 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/30/16 09:23 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  03/30/16 04:46 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  03/30/16 09:59 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/30/16 12:30 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  03/30/16 03:11 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  03/31/16 12:22 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Traso  04/07/16 05:37 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/02/16 06:52 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/04/16 02:53 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  04/04/16 05:37 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/04/16 09:26 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/04/16 10:55 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 07:15 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/05/16 10:39 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/06/16 05:57 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/06/16 07:48 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/07/16 11:42 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  04/07/16 05:28 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/07/16 09:04 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/07/16 11:16 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/08/16 06:32 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/08/16 07:05 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/08/16 11:22 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/09/16 12:03 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/10/16 07:50 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  04/11/16 07:45 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/11/16 08:36 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  04/11/16 08:50 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/11/16 10:42 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/15/16 03:50 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/15/16 11:35 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/19/16 07:39 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/20/16 12:49 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Haze  04/20/16 01:00 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/20/16 04:38 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/20/16 09:35 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/20/16 10:20 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/21/16 12:39 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/28/16 10:35 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/28/16 04:26 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation uman  04/29/16 01:12 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation lettuce  05/02/16 04:14 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/10/16 05:29 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation MooglyGuy  05/10/16 05:52 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/10/16 06:07 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Artman99  06/15/16 05:48 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  06/15/16 07:36 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  06/16/16 07:28 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  06/16/16 07:47 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Artman99  06/16/16 02:44 AM
. * Hi Bart Simo *nt* MooglyGuy  06/16/16 06:19 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  06/16/16 05:14 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Artman99  06/16/16 08:24 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation gamez fan  05/11/16 12:28 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation MooglyGuy  05/10/16 06:27 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/10/16 07:01 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/10/16 11:48 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  05/11/16 05:49 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  05/11/16 04:14 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  05/11/16 05:37 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation DarthMarino  05/11/16 02:57 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/11/16 02:18 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Anonymous  05/11/16 01:19 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  05/12/16 04:52 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/14/16 04:10 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Vas Crabb  05/11/16 04:25 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Anonymous  05/11/16 07:16 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Envisaged0ne  05/11/16 06:55 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Anonymous  05/11/16 07:34 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation terminento  05/11/16 08:36 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/22/16 05:16 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation LensLarque  04/15/16 11:47 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/11/16 09:40 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/13/16 07:40 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/13/16 09:33 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/13/16 10:34 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation R. Belmont  04/14/16 05:02 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/14/16 05:57 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation MooglyGuy  04/14/16 01:41 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/14/16 06:22 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Master O  04/14/16 04:44 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ziggy100  04/15/16 10:23 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Master O  04/15/16 11:42 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation joey35car  04/12/16 12:46 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/08/16 12:10 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/08/16 08:17 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/08/16 01:11 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 11:17 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  04/05/16 11:45 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 11:53 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 11:45 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 03:21 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  04/05/16 07:00 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 11:18 AM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Ville Linde  04/05/16 01:23 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  04/05/16 02:46 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation MooglyGuy  04/04/16 03:41 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation Olivier Galibert  03/25/16 02:17 PM
. * Re: Star Wars Arcade (SEGA, 1993): fixing model1 emulation dkongjr  03/25/16 06:18 PM

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