Author Topic: Vespertino - new game from BG Games  (Read 17305 times)

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Offline Optimus

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Re: New game from BG Games It will be announced tonight
« Reply #25 on: 10:47, 06 May 19 »

You may reset interrupt count with RMR and probably cheat the counter via hidden vertical Split. I never tried myself to play with this


Programmable Raster Interrupts?
I never thought this is possible on CPC, hmm..  what is RMR?


UFD sprites. Unrolled F(?) D(?)
It will be challenge to mix line splitting with software sprites indeed.
I remember Overflow was doing this with just a single sprite in Shadow of the beast preview and that was already a challenge.

Offline Maniac

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Re: Vespertino - new game from BG Games
« Reply #26 on: 10:53, 06 May 19 »
UFD sprites. Unrolled F(?) D(?)
UFD = Ultra Fast Drawing - if I remember correctly from the Pinball Dreams reveal stuff.

Offline kawickboy

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Re: Vespertino - new game from BG Games
« Reply #27 on: 11:00, 06 May 19 »
Could we dream for a null-modem mode, like Lotus 2 for Amiga/ST ?
How many tracks and cars will be available ?

Offline AHack

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Re: Vespertino - new game from BG Games
« Reply #28 on: 11:42, 06 May 19 »
What are the specs for this game? I presume 128kb will be needed as well as a disc drive. Will it be released on those cartriges that have ROM and RAM combined?


I'm really looking foreward to see this running on my CPC128!


After watching the video again, with Pinball Dreams on the horizon and I few people announcing up and coming projects, I feel this old computer will get some real quality releases in the near future. I don't like to cause flame wars but when I was a kid my friend who had a C64 constanly told me I had a crap machine. I feel I was right now, owning an Amstrad all those years ago :D


It will be funny to see how those C64 fanboys react to these new games when they realise their machine has no chance to run these games. Don't get me wrong I love the C64 as well but everyone likes to see the under dog win in the end.

Offline Carnivius

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Re: Vespertino - new game from BG Games
« Reply #29 on: 11:55, 06 May 19 »
It looks so very good.  Looking forward to seeing other cars on the track and more progress.  :)
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Offline roudoudou

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Re: New game from BG Games It will be announced tonight
« Reply #30 on: 12:45, 06 May 19 »

Programmable Raster Interrupts?
I never thought this is possible on CPC, hmm..  what is RMR?


UFD sprites. Unrolled F(?) D(?)


Ufd is marketing. Sprite record is toms property
Rmr is rom management register
See bit 4 description

use RASM, the best assembler ever made :p

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Offline AHack

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Re: Vespertino - new game from BG Games
« Reply #31 on: 14:05, 06 May 19 »
If PRI is programmable raster interupts then I correct myself when I said the area where the road gets calculated that this is dead time to the game. With raster interupts it will not be.


If this is possible and the raster interupt always starts at the same time more or less then lots of tricks with the harware become open. @Rhino Do you want to explain how this works in the programmers section? If I had this for my own project then I could do some cool stuff. And, again no harm in a cheeky ask :) I understand if you want to keep this to yourself for the time been.


« Last Edit: 14:12, 06 May 19 by AHack »

Offline MaV

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Re: Vespertino - new game from BG Games
« Reply #32 on: 15:00, 06 May 19 »
Yep, the CPC is an arcade machine. No doubt about it.

BTW, here are the specs of the Outrun arcade hardware just to have a wee bit of reference:
https://segaretro.org/Sega_OutRun_hardware
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Offline MaV

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Re: Vespertino - new game from BG Games
« Reply #33 on: 15:03, 06 May 19 »
"... without a last masterpiece ...".
Does that mean there will be no more productions from BATMAN_GROUP after Vespertino?
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Offline XeNoMoRPH

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Re: Vespertino - new game from BG Games
« Reply #34 on: 15:22, 06 May 19 »
"... without a last masterpiece ...".
Does that mean there will be no more productions from BATMAN_GROUP after Vespertino?
not really, they will keep going
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Offline GUNHED

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Re: Vespertino - new game from BG Games
« Reply #35 on: 15:41, 06 May 19 »
The video is really great. Very professional. Looking forward to see more of the game.  :)
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Offline ||C|-|E||

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Re: Vespertino - new game from BG Games
« Reply #36 on: 16:04, 06 May 19 »
Crazy stuff!  :o

Offline trocoloco

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Re: New game from BG Games It will be announced tonight
« Reply #37 on: 17:09, 06 May 19 »
I always thought scanline ruptures failed on one type of CRTC? So I presume this game will only be compatiable with certain CRTC types. Even so very impressive use of the hardware!


In the video says "All models supported", so looks like it will work with any of them ;)

Offline roudoudou

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Re: Vespertino - new game from BG Games
« Reply #38 on: 17:33, 06 May 19 »
RVI works with all CRTC
This is not a simple Line per Line spliting
use RASM, the best assembler ever made :p

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Offline BSC

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Re: Vespertino - new game from BG Games
« Reply #39 on: 17:55, 06 May 19 »
Looks like a lot of Laser Basic was used ...




















 ;)

Offline AHack

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Re: Vespertino - new game from BG Games
« Reply #40 on: 18:10, 06 May 19 »
RVI works with all CRTC
This is not a simple Line per Line spliting


I would love a thread explaining this technique in the programmers forum. Actually any of the techniques used for this game. There's one by me that was started on UFD. I believe information should be shared to expand the developer community. The more knowledge out there the better games we will get. After all the CPC is an old 8bit machine and keeping secrets on how things work just holds back the homebrew scene for any new developers wanting to code something new. I would love to see more games that make the impossible happen. I really do believe the Amstrad CPC is the best 8bit out of all of them and the more games that prove it the better for everyone.

Online andycadley

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Re: Vespertino - new game from BG Games
« Reply #41 on: 19:00, 06 May 19 »
Looks amazing, can't quite believe that's CPC footage but BG do seem to continually manage to push boundaries in ways nobody quite imagined. Always makes me wonder what might have happened if the same developers had access to the same kind of information back in the late eighties/early nineties. Something like this would have blown people away and received amazing reviews back in the day.


I hope we'll get some technical details of quite how it's achieved. Not just so that other developers can follow the examples and learn new tricks, but because it's just straight up fascinating to read about the thought processes that lead to the discovery of such techniques on any platform.

Offline Sebastian Blanco

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Re: Vespertino - new game from BG Games
« Reply #42 on: 19:16, 06 May 19 »
Amazing graphics, when i first watched the video i was expecting this was a game for the plus series because it looked so good. But not seem to be the case triple impressive. :o

Offline Rhino

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Re: Vespertino - new game from BG Games
« Reply #43 on: 20:42, 06 May 19 »
Thank you all for the feedback! but there is still too much to do :)

@AHack , roudoudou has pointed out two ways to mold the interruptions and one of them is really simple, in most cases you will not need absolute freedom for this, but simply to manage within a range of scanlines, as, for example, I have needed in this project. In any case, I thought it would be nice to mention this little-known feature of the CPC so that others could research and use it in their developments as well.

One thing I could add to what roudoudou commented is that in order not to lose cycles, it is good to have some simple task of constant cycles in which to be able to intercalate the trick in a simple way avoiding sterile waits.

And if you can use only bit 4 of the RMR for this, great, otherwise you will need a lot of patience and experimentation with the first CRTC registers to play with the HBLs without losing the sync!

Regards!

Offline Fessor

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Re: Vespertino - new game from BG Games
« Reply #44 on: 20:45, 06 May 19 »
Impressive.I hope there will be no problems with the car brands...Intellectual Properties and Trademarks seems to be the Religions of today...

Offline Rhino

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Re: Vespertino - new game from BG Games
« Reply #45 on: 20:53, 06 May 19 »
Impressive.I hope there will be no problems with the car brands...Intellectual Properties and Trademarks seems to be the Religions of today...
Thanks!
3D models of the video are provisional, in the final version we will make our own models (although based on real) precisely to avoid problems!

Offline Rhino

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Re: New game from BG Games It will be announced tonight
« Reply #46 on: 20:56, 06 May 19 »
When will it be released to play?


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We don't have a release date yet, but we'd rather do it right than fast, so it won't be very soon.

Offline felow

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Re: Vespertino - new game from BG Games
« Reply #47 on: 21:08, 06 May 19 »
Actually it looks astonishing. Can’t wait to see the complete game! :o  Previous to this, is Pinball Dreams the only game fully released by Batman Group? What about Super Mario Bros.? It was then released?
 

Offline PhilZeVibe

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Re: Vespertino - new game from BG Games
« Reply #48 on: 22:42, 06 May 19 »
I'm utterly shocked. So much in fact that I still cannot believe it.
On the other end, the CPC is able to do magic witchery nowadays (batman forever, from scratch, logon's run, pinball dreams ...).
So who knows after all?
« Last Edit: 22:45, 06 May 19 by PhilZeVibe »
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Offline Prodatron

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Re: Vespertino - new game from BG Games
« Reply #49 on: 01:59, 07 May 19 »
This is so fucking cool, I am completely impressed, love this preview so much!  :o :P This is showing the pure power of the CPC, it is just fantastic!

Thanks!
3D models of the video are provisional, in the final version we will make our own models (although based on real) precisely to avoid problems!
What's about the new Tesla Roadster, I am sure, they will not sue you, but even promote it  :D
« Last Edit: 02:01, 07 May 19 by Prodatron »

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