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Forums > CSDb Discussions > Vice with support for the C64 DTV.
2007-07-01 21:25
tlr

Registered: Sep 2003
Posts: 1120
Vice with support for the C64 DTV.

This has been in the works for a while.

It's not at all complete, but this weekend VICII-DTV support was implemented so several of the released demos run on it. :)

Get it here for a taste:
http://picobay.com/dtv_wiki/index.php?title=DTV_Support_in_VICE

Source code + pre-built win32 binary + preconfigured flash image.
 
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2007-07-02 11:18
Shadow

Registered: Apr 2002
Posts: 313
Yeah, I should have mentioned the video cache thing in my first post, I had problems with garbled video aswell until I turned that off.

I've tested more of my stuff, and the biggest problem right now is that burst/skip mode isn't supported. I use this in almost all my code (who wouldn't - it's FREE extra performance! :))
I guess most DTV coders will do the same.

Now I haven't looked at how VICE works, but I can imagine that implementing this will not be easy since it totally changes the cycle behavior of the machine.

Still, this is a great tool to have, now I can atleast do concept testing in VICE and then transfer to DTV to get fullspeed/timing correct.

2007-07-02 11:27
Scout
Account closed

Registered: Dec 2002
Posts: 1559
I reckon only 8bpp is implemented and not the FRED modes?

Anyway, it really looks promising indeed (as a development tool :)
2007-07-02 11:30
Scout
Account closed

Registered: Dec 2002
Posts: 1559
Quote: "VICII-DTV support was implemented"

obviously then the blitter functions arent => ghost in the machine wont work.


I also suspect segment mapping isn't implemented yet.
Might also be the reason.

I'm at the office now so I can't test :)
2007-07-02 11:45
Shadow

Registered: Apr 2002
Posts: 313
Segment mapping works.
2007-07-02 17:58
Steppe

Registered: Jan 2002
Posts: 1481
Anyone tried the Crest demos yet? Do they at least work to some extent?
2007-07-02 18:42
Scout
Account closed

Registered: Dec 2002
Posts: 1559
Quote: Anyone tried the Crest demos yet? Do they at least work to some extent?

Yep, and they don't work =)

Crossbow made them for the DTV v1 and the DTV emulator only emulates the DTV v3/Hummer at the moment.
2007-07-02 19:03
Krill

Registered: Apr 2002
Posts: 809
From a mail by Andreas Boose, the VICE don:

"DTV support won't be included in any of the next releases of VICE.

But as this is free software you are free to continue providing
support for this machine as an external effort.

MfG Andreas"
2007-07-02 19:48
tlr

Registered: Sep 2003
Posts: 1120
Quote: "VICII-DTV support was implemented"

obviously then the blitter functions arent => ghost in the machine wont work.


Blitter and DMA are both implemented.
Only functionally though, i.e they are way too fast.
2007-07-02 19:53
tlr

Registered: Sep 2003
Posts: 1120
Quote: From a mail by Andreas Boose, the VICE don:

"DTV support won't be included in any of the next releases of VICE.

But as this is free software you are free to continue providing
support for this machine as an external effort.

MfG Andreas"


It basically means that no one on the VICE team wants to/has the knowledge required to maintain a DTV target.

It can still be maintained separately. When stable enough it can be packaged and released as a full "vice"-style release.

2007-07-02 20:47
iAN CooG

Registered: May 2002
Posts: 1714
Quote: Anyone tried the Crest demos yet? Do they at least work to some extent?

Tried some demos, they load but so far very few are really 100% working.
Working demos:

Numero_uno/Crest
The_king_is_back/Crest
HelloDTV/Noice
Blitter_scroll/TLR
Newtons_Cradle/TRSi

And even though they are few, what I saw it's stunning. :)
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