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Thierry Lescot InterViewed! - February 14,2000 by JoseQ
During the very first week of EmuViews existence, this very same icon was used for the first ever InterView at EmuViews. Thierry Lescot, then actively working on System 16, was gracious enough to honor us with his answers to a few questions. With the recent posting at the EV Board by Spooky and others, and recent renewed interest in the emulation of After Burner, I got out and asked Thierry if he would be willing to answer a few more questions on the topic. So without further ado, here you have, an InterView with Thierry Lescot:

1. What is ShinobiZ mainly up to these days?

Well, I have lot of things to do, I'm managing my site ShinobiZ's Home,trying to find pictures and information, I'm also searching for roms andinfo for future Sega emulation project like System 32, System 24, ST-V,System-C, System-E, ect... Believe me, there is still a lot of work to do!

2. Is that keeping you busy enough?

With my job (taking 12h/day, 5d/week), my real life, my other hobbies : Yes,I'm busy enough :)

Same problem happened to Nao, with his new job he had no more time for S16and M72. I hope he is going well because I have no news from him for months!:(

3. Have you ever had any desires to continue work on System16?

If I had more time, maybe.

Since I'm a real Sega fan, I really want to see all these marvelous gamesemulated, in System 16, in MAME or in any other emulator.

4. Talking a little about After Burner, what were/are the majorbarriers keeping this game from being emulated?

It uses a special chip for some math calculation. It is also used to computethe sprites positions on the screen. That is the main reason why there is nosprites visible in the WIP driver.

5. Do you think/know of anybody working on it currently?

A lot of people contacted me, asking the roms, sources and informations tocontinue the project. Still, I have received no feedback. Maybe the best luck tosee emulation of After Burner and offcourse Thunder Blade (jpn) wich runs onthe same hardware and is not protected is in MAME, maybe Andrew Prime?

6. Is hardware today capable enough to play this game at full speed?

Yes off course.

7. How about Power Drift?

It uses a similar graphic hardware to After Burner, the main difference isthe additional 68000, this game uses three 68000 and one Z80/YM2151/PCM forsound. Two games are dumped for this hardware and both are not protected,but nobody is working on them. (the second one is Galaxy Force)

8. Going back to System16, are you aware of any current efforts bysomeone picking up the S16 code when it was released andworking on it?

Still, nobody officially continued the project. Maybe they get lost inmy crappy code :)

Someone with very good knownledge of System 16 hardware wanted to completethe emulator but again, no feedback for a while. :(

9. Do you feel there's any chance for it to come back strong, eitherwith you behind it, or someone else?

See 8 :)

10. Any words on the emulation scene these days?

Too many kids just wanting games, more games, which are perfect at the firstrelease and don't even know what emulation means :(

Hopefully, there is also a lot of very kind people too :)

I would like to thank Thierry Lescot once again for allowing me to ask him a few questions. He is still one of the friendliest guys when itcomes to emulation authors/celebrities and some Kudos go his way just for that.
On the subject of question number 5, I did get a status from Andrew Prime on the After Burner driver for MAME, and sadly enough there are no plansto do any work on this driver any time soon. Andrew did offer to provide help if anybody is willing to pursue efforts in getting the math chip emulated.
Until then, we can only be patient and realize that eventually someone with the passion that Spooky shows andthe necessary skills to get these drivers done will appearand provide us with those awesome experiences we once hadat the arcades. I'm personally very looking forward to see After Burner, Thunder Blade and Power Drift emulated. How about you?

One Article Up: RockNES 1.0 is out!
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Add Your Comments

Name: Dave Posted: Friday, May 11, 2001 - (19:18)
Subject: After Burner
From: 195.92.168.165
Hi everyone - as you've probably seen by now, I finished off the work by emulating After Burner and Galaxy Force.
Thanks for starting all of this off by emulating System 16!!

[Post a reply]

Name: Jan Posted: Wednesday, February 16, 2000 - (10:51)
Subject: After Burner math chip
From: 195.92.168.165
Hi!

I know I should rather send this to Mirko Buffoni, Andrew Prime and Phil Stroffolino but I couldīt find their e-mail-addresses.

However, I have an idea concerning that math-chip-problem keeping After Burner from being emulated:

The 32X-Version of After Burner is reprogrammed, but the program code may be closer to the original than one might first think. The main program of the arcade game works on a MC68000 Processor. The 32X is always connected to a Mega Drive which uses this processor at 8MHz. So I think the programmers of the 32X-version have used the opportunity to only slightly adapt the original arcade-program for using it on the 32X. I think so because the 32X version has the same small graphical bugs as the arcade version and you can even enter the test-mode where you can test the motors of the moving cabinet, which are certainly not present when using the 32X-Version. One of the small gfx "bugs" I mean is that the rotating plane of balls in the title screen jumps to a certain position just when you press start. It does that on the 32X version and I am quite sure that it does the same in the arcade version.

Long talking short meaning:
The 32X-version-main-program maybe uses the 32X like the arcade-version uses its special gfx-hardware. As the 32X is mainly just a powerful CPU, all these external functions which the arcade version has as hardware must be reproduced in the 32X as program code. So the functionality of the math chip could be found as 32X-CPU-program-code in the 32X roms, which have already been released.

Could that help?

Thanks for your interest in a maybe stupid idea,
Jan

[Post a reply]

 Name: Posted: Friday, March 25, 2005 - (18:43)
Subject: Re: After Burner math chip
From: 200.193.41.60
>Hi!
>
>I know I should rather send this to Mirko Buffoni, Andrew Prime and Phil Stroffolino but I couldīt find their e-mail-addresses.
>
>However, I have an idea concerning that math-chip-problem keeping After Burner from being emulated:
>
>The 32X-Version of After Burner is reprogrammed, but the program code may be closer to the original than one might first think. The main program of the arcade game works on a MC68000 Processor. The 32X is always connected to a Mega Drive which uses this processor at 8MHz. So I think the programmers of the 32X-version have used the opportunity to only slightly adapt the original arcade-program for using it on the 32X. I think so because the 32X version has the same small graphical bugs as the arcade version and you can even enter the test-mode where you can test the motors of the moving cabinet, which are certainly not present when using the 32X-Version. One of the small gfx "bugs" I mean is that the rotating plane of balls in the title screen jumps to a certain position just when you press start. It does that on the 32X version and I am quite sure that it does the same in the arcade version.
>
>Long talking short meaning:
>The 32X-version-main-program maybe uses the 32X like the arcade-version uses its special gfx-hardware. As the 32X is mainly just a powerful CPU, all these external functions which the arcade version has as hardware must be reproduced in the 32X as program code. So the functionality of the math chip could be found as 32X-CPU-program-code in the 32X roms, which have already been released.
>
>Could that help?
>
>Thanks for your interest in a maybe stupid idea,
>Jan
>
>

[Post a reply]

 Name: sppoky ;) Posted: Thursday, February 17, 2000 - (10:25)
Subject: Re: After Burner math chip
From: 200.193.41.60
Hey, youīre pretty good!! Seems like a good guess!! Why you donīt try update System16 emu?
Iīm sure Mr. Andrew Prime is needing some help right now.

The emu scene needs guys like u!

Congratulations for your initiative!



>Hi!

>

>I know I should rather send this to Mirko Buffoni, Andrew Prime and Phil Stroffolino but I couldīt find their e-mail-addresses.

>

>However, I have an idea concerning that math-chip-problem keeping After Burner from being emulated:

>

>The 32X-Version of After Burner is reprogrammed, but the program code may be closer to the original than one might first think. The main program of the arcade game works on a MC68000 Processor. The 32X is always connected to a Mega Drive which uses this processor at 8MHz. So I think the programmers of the 32X-version have used the opportunity to only slightly adapt the original arcade-program for using it on the 32X. I think so because the 32X version has the same small graphical bugs as the arcade version and you can even enter the test-mode where you can test the motors of the moving cabinet, which are certainly not present when using the 32X-Version. One of the small gfx "bugs" I mean is that the rotating plane of balls in the title screen jumps to a certain position just when you press start. It does that on the 32X version and I am quite sure that it does the same in the arcade version.

>

>Long talking short meaning:

>The 32X-version-main-program maybe uses the 32X like the arcade-version uses its special gfx-hardware. As the 32X is mainly just a powerful CPU, all these external functions which the arcade version has as hardware must be reproduced in the 32X as program code. So the functionality of the math chip could be found as 32X-CPU-program-code in the 32X roms, which have already been released.

>

>Could that help?

>

>Thanks for your interest in a maybe stupid idea,

>Jan

>

>

[Post a reply]

 Name: Posted: Thursday, February 17, 2000 - (10:25)
Subject: Re: After Burner math chip
From: 200.193.41.60
Hey, youīre pretty good!! Seems like a good guess!! Why you donīt try update System16 emu?
Iīm sure Mr. Andrew Prime is needing some help right now.

The emu scene needs guys like u!

Congratulations for your initiative!



>Hi!

>

>I know I should rather send this to Mirko Buffoni, Andrew Prime and Phil Stroffolino but I couldīt find their e-mail-addresses.

>

>However, I have an idea concerning that math-chip-problem keeping After Burner from being emulated:

>

>The 32X-Version of After Burner is reprogrammed, but the program code may be closer to the original than one might first think. The main program of the arcade game works on a MC68000 Processor. The 32X is always connected to a Mega Drive which uses this processor at 8MHz. So I think the programmers of the 32X-version have used the opportunity to only slightly adapt the original arcade-program for using it on the 32X. I think so because the 32X version has the same small graphical bugs as the arcade version and you can even enter the test-mode where you can test the motors of the moving cabinet, which are certainly not present when using the 32X-Version. One of the small gfx "bugs" I mean is that the rotating plane of balls in the title screen jumps to a certain position just when you press start. It does that on the 32X version and I am quite sure that it does the same in the arcade version.

>

>Long talking short meaning:

>The 32X-version-main-program maybe uses the 32X like the arcade-version uses its special gfx-hardware. As the 32X is mainly just a powerful CPU, all these external functions which the arcade version has as hardware must be reproduced in the 32X as program code. So the functionality of the math chip could be found as 32X-CPU-program-code in the 32X roms, which have already been released.

>

>Could that help?

>

>Thanks for your interest in a maybe stupid idea,

>Jan

>

>

[Post a reply]

Name: Al Casanova Posted: Wednesday, February 16, 2000 - (1:05)
Subject: Yes
From: 200.193.41.60
Sega games were the first arcade games I played that actually enjoyed. Wish to thanks to the authors for their work and encourage them to continue... Thats all! Thanks!

[Post a reply]

Name: Larry5 Posted: Tuesday, February 15, 2000 - (16:29)
Subject: Phew!
From: 200.193.41.60
Nobody will update System16? Too bad!!

[Post a reply]

Name: Carlos Seca Posted: Tuesday, February 15, 2000 - (10:23)
Subject: System16
From: 200.193.41.60
I have a 4 years old child. What she likes to do in the past couple weeks?
Play Outrun using System16, with me giving some advice, of course. This makes me say 'thank you very' much to Thierry Lescot for such a good emulator.I'll be waiting for Thunderblade (my favourite) to be emulated. This one is not protected. So... Go for it!!

[Post a reply]

Name: Spooky :)) Posted: Tuesday, February 15, 2000 - (10:19)
Subject: The mans who made the History
From: 200.193.41.60
I red the interview with tears rolling upon my face. It was a moment of great emotions, sadness an hapiness at same time. What a great guy is Mr. Lescot. Itīs a pain that the man cannot complete the masterpiece. I believe in slow and gradual development and Iīm know that a good emu takes a lot of time and devotion to work. I was sad by the lack of development. Unfortunately the mans who can do it, are so skilled that your talents are required for all. I hope someday a new ingenious mind can continue the marvel that Thierry someday begun. Thanx to Lescot, Nao and Andrew Prime for all that they done.Thanks for Bartman by the windows port.

And a very special thanks for JoseQ by the support until now. I believe in you, man.I really believe.

[Post a reply]

Name: Abe Posted: Tuesday, February 15, 2000 - (6:42)
Subject: Thanks for his works
From: 200.193.41.60
I congratulate him because he was able to recreate
the atmosphere there were into sega's games.

I remember when i played first time games like golden Axe,
altread beast or Out Run.I always was sad when i played into arcade conversion on
'cause i havent the feeling i was wtih the original version.
And System16 give me a chance to play these games again with the original version.


So Thanks to you to let me dream and had a few nostalgia.

I hope we see you soon with the emulation of Galaxy Force II


[Post a reply]

Name: Chrono Posted: Tuesday, February 15, 2000 - (2:25)
Subject: Thanks
From: 200.193.41.60
That was really cool of him to give us an interview.

Thanks alot!!

[Post a reply]

Name: kulo Posted: Monday, February 14, 2000 - (22:04)
Subject: System16
From: 200.193.41.60
system 16 is great great great emulator, and good
luck Shinobiz,
and remember after burner :-))

[Post a reply]

Name: MikeDX Posted: Monday, February 14, 2000 - (19:06)
Subject: Question10
From: 200.193.41.60
Amen Thierry, you answered that perfectly! :-)

[Post a reply]

Name: EmuPgmr Posted: Monday, February 14, 2000 - (12:32)
Subject: After Burner coprocessor
From: 200.193.41.60
Is there any technical info available
on the workings of the math coprocessor
used in After Burner and other similar
Sega games ?

[Post a reply]

Name: Jojo Posted: Monday, February 14, 2000 - (10:35)
Subject: Other Sega Games...
From: 200.193.41.60
If anybody wants to work on writing drivers or emulators for Sega games, don't forget about Subroc 3D and Buck Rogers. Personally, I'd rather see those games than any other unemulated games right now.

[Post a reply]

 Name: ShinobiZ Posted: Monday, February 14, 2000 - (16:07)
Subject: Re: Other Sega Games...
From: 200.193.41.60
>If anybody wants to work on writing drivers or emulators for Sega games, don't forget about Subroc 3D and Buck Rogers. Personally, I'd rather see those games than any other unemulated games right now.

You may have a surprise about these two games .... ;)

[Post a reply]

Name: Ukyo Posted: Monday, February 14, 2000 - (10:03)
Subject: ShinobiZ
From: 200.193.41.60


Parev! Inch beses?? Glad to see you're doing good bro =)

[Post a reply]

 Name: Test Posted: Monday, February 14, 2000 - (12:31)
Subject: Re: ShinobiZ
From: 200.193.41.60
This is a test....

>

>Parev! Inch beses?? Glad to see you're doing good bro =)

>

[Post a reply]

Name: Mark Posted: Monday, February 14, 2000 - (8:42)
Subject: Ggalaxy Force Hardware Emulation
From: 200.193.41.60
I read on Theo's unemulated games page that a driver for Power Drift is in development for Mame. Can anyone confirm dvelopment of the driver? as Thierry Lescot said it was not!

[Post a reply]

Name: IceMan Posted: Monday, February 14, 2000 - (8:09)
Subject: yep
From: 200.193.41.60
they're some of my very favourite games ever (add Super Monaco GP to that list too!)

IceMan (former System16 beta-tester)

N.B. It was me who helped (a bit) in the preliminary wheel and pedals support in System16!)

[Post a reply]

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