From:	pavenis AT lanet DOT lv
To:	"Alexei A. Frounze" <alex DOT fru AT mtu-net DOT ru>, djgpp AT delorie DOT com
Date:	Thu, 11 May 2000 19:50:00 +0200
MIME-Version:	1.0
Subject:	Re: RHIDE problem with GFX modes is fakely SOLVED
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On 11 May 2000, at 1:37, Alexei A. Frounze wrote:

> Hi!
> 
> Recently I have posted a message about OS crash during quitting from RHIDE
> back to Win95.
> 
> Some details.
> 
> I use RHIDE 1.4.7.5 (8 Feb 2000), Win95 OSR2 Rus (4.0  Build 1212 B),
> DirectX (4.06.00.0318) and a Cirrus Logic 5436 PCI gfx card (CL-GD5436 Rev
> 0, 4.10.00.1555 "4.10.00.1555"  English Final Retail).
> 
> When I run RHIDE from either Explorer.exe or Windows commander in
> full-screen mode (80x25 16 colors BIOS mode #3) it works okay. But when I
> want to exit from it using Alt+X, I get a lot of thin colored horizontal
> lines randomly moving at the screen (something like TV tuning) and a frozen
> up OS.
> 
> When I run it in a windowed mode it exits normally. It also exits normally
> when I run it under Norton Commander or any other DOS shell in full-screen
> mode.
> 
> Btw, RHIDE is the only program that has such a behaviour here. None of the
> programs I have here does the same. Borland C++ IDE, Borland Pascal IDE,
> other text programs and even gfx programs work normally.
> 
> I don't know why RHIDE dislike to exit directly to Windows if run in
> full-screen mode. Or it does this because previous gfx mode is unknown for
> that case. I think there is some kind of bug with mode changing. It's the
> *only* program does this.
> 
> Okay, now I'll say you about how I solved it...
> 
> I made a PIF file for RHIDE.EXE with the following setup (I'm back
> translating from Russian to English ;) :
> 
> General/
>   Read-only = enabled
> Program/
>   Window = full-screen
>   Window is closed on quit
> Font/
>   Both types used
>   Font = TrueType 7x5 (I own a 14 inch display)
> Screen/
>   Mode = windowed
>   Default size = 25 lines (I own a 14 inch display)
>   Tool bar = disabled
>   Parameters are restored on startup = enabled
> Miscellaneous/
>   Reserved Windows keys:
>     Alt+Tab = enabled
>     Ctrl+Esc = enabled
>     the rest are disabled
> 
> With such a PIF file I can either run RHIDE in windowed mode from
> Explorer.exe and Windows commander. It also alows to run RHIDE in
> full-screen mode from Norton commander or something else if that shell (NC
> or something) already runs in full-screen mode. This PIF file inhibits
> changing of the mode from full screen to windowed and vice versa. 
> 
> This is what works for me perfectly. One guy also has similar problems with
> RHIDE and he run RHIDE in windowed mode instead of full-screen and seems he
> doesn't have a frozen up OS anymore.
> 
> Any thoughts on this? Andris, can you say something about this? But please
> don't say it's a gfx card/driver problem. I don't really believe it because
> RHIDE is the only program with such a harmful bhaviour here. The rest
> programs don't crash my Win95 during mode switchings or something.
> 

Practically nothing. 

RHIDE uses TVision library to work with screen. It is not doing it 
directly. I also didn't have experienced such problems.
So I suggest downloading v2tk/tv1010s.zip and testing whether You 
can reproduce problem with TVision examples (and running them 
under debugger to see what is screwing screen up)

Andris

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