new GFX card

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By PingPong

Prophet (3760)

PingPong's picture

13-09-2008, 17:18

AFAIK allowing vram access from z80 is not a thing that could be done only by putting a new cartridge in a slot, instead requires hw modifications. Not acceptable IMHO.

A GFX9000 is already a cartridge, it could be modified to have the VRAM mapped into Z80 address space like any RAM containing cartridge. Would be cool for any graphics-cartridge, of course, including VSU!
Yes, but this not solve the problem of ancient hw, and availability of v9990 chips.

By Randam

Paragon (1398)

Randam's picture

13-09-2008, 17:52

Maybe it would be a good idea to make a game creator for either of the new graphics cards, being gfx9000, VSU or one of the other possible new projects.

Having e.g. a vscreen (platform), dante (RPG), Yoshida Kensetsu (shooter) type program with a (small) demogame makes it all the more appealing for people to get in on that gfx card. If done right it would make the life of subsequent gamemakers easier since it reduces the time for developing a game. Ease of development is in some cases an import factor for success...

By RyJuZo

Master (236)

RyJuZo's picture

13-09-2008, 17:58

..... and there are also people who have a expensive V9990 card, and fear that no new software will be made for their v9990 because there is a newer, better and cheaper gfx card available.

I happen to be one of those persons who bought an expensive v9990 card...
luckily I also happen to be a developer so I can promise the v9990 card owners of this community that my team will definitely be making sw for it....(so says el team-capitano....MOI ! Tongue )

there's also a talk among the team members to do a v9990 version of the Knightmare 3 project...(but this is still talk for now)

at the moment we're still exploring the v9990...and we will first release a series of short-(but visual stunning)-games for it just to get a feel for it....and then........ooooooh LOL!

If and when a new GFX-card will appear (which will problably take a while) there is one thing that would be crucial for us to even consider developing for it and that is EMULATION. It is most important that our emulator-developers get first hand info on the new card as soon as possible so they can emulate it properly. Our entire development environment is focused towards cross-development. I'm sure there are more teams which work the same way.

so keep that in mind plz... Smile

By Manuel

Ascended (18154)

Manuel's picture

13-09-2008, 22:40

PingPong, availability is not a problem, it seems, as the VSU guy bought 100's of them.

By wolf_

Ambassador_ (9896)

wolf_'s picture

13-09-2008, 22:53

as the VSU guy bought 100's of them.
..unless they were the last 100's.. Tongue

By ARTRAG

Enlighted (6543)

ARTRAG's picture

13-09-2008, 23:02

By msd

Paragon (1461)

msd's picture

13-09-2008, 23:14

Also enough YMF278B and YRW801 chips.

By MagicBox

Master (198)

MagicBox's picture

14-09-2008, 00:13

Well, a lot of good ideas have been given already! It's certainly worth to get in touch with emulator writers once the VDP project would be an actual success technically. It would also be a good idea to release software with it, basic pattern/sprite/map editor and perhaps providing several basic graphics engines as software library to make it a bit easier to get started with the hardware.

Meanwhile I've been working out hardware internals in my thoughts and it appears that I can organize FPGA resources and VRAM in such way that it indeed can handle 256 color patterns and more so, 128 256-color 16x16 sprites simultaniously without a scanline restriction. It could even allow 16 layers of pattern maps, each with their own scroll / viewport control registers. And, there'll be plenty time left for the Z80 to access VRAM concurrently.

This paves the way for beginning to code the concrete logic blocks of this VDPX as I casually decided to dub this project Wink

By flyguille

Prophet (3028)

flyguille's picture

14-09-2008, 02:38

Well, a lot of good ideas have been given already! It's certainly worth to get in touch with emulator writers once the VDP project would be an actual success technically. It would also be a good idea to release software with it, basic pattern/sprite/map editor and perhaps providing several basic graphics engines as software library to make it a bit easier to get started with the hardware.

Meanwhile I've been working out hardware internals in my thoughts and it appears that I can organize FPGA resources and VRAM in such way that it indeed can handle 256 color patterns and more so, 128 256-color 16x16 sprites simultaniously without a scanline restriction. It could even allow 16 layers of pattern maps, each with their own scroll / viewport control registers. And, there'll be plenty time left for the Z80 to access VRAM concurrently.

This paves the way for beginning to code the concrete logic blocks of this VDPX as I casually decided to dub this project Wink

A dream!!!! Big smile

If you DO realy DO it, I will support you!

By flyguille

Prophet (3028)

flyguille's picture

14-09-2008, 02:53

I want ONE!.... but it is for any MSX2?

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