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#55009 - 10/11/09 10:26 AM Re: SVN builds - new driver flood [Re: Anna Wu]  
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mahlemiut Offline
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The FM V-Towns is a higher spec version of the FM-Towns. Probably best to try to get the simpler systems done first, I think smile

Anyway, I think I've done all I can for the Towns driver for now, since i386 protected mode bugs are making more of an impact now. It's impossible to call interrupts in protected mode since the vector addresses are 8 bytes long, and the MAME i386 core treats them as 4 bytes each, thusly calling the wrong vector. It does at least use the IDT, I suppose that's something. smile Also, the I/O priviledge level and nested task flags can't be set. Damn shame that the Towns version of MS-DOS requires protected mode, I was hoping that it didn't.


- Barry Rodewald
#55010 - 10/11/09 10:32 AM Re: SVN builds - new driver flood [Re: mahlemiut]  
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Anna Wu Offline
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Maybe you will find a way. smile
Can not wait to load a disk successful and later a cd image.

#55011 - 10/11/09 10:33 AM Re: SVN builds - new driver flood [Re: Anna Wu]  
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R. Belmont Online content
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Vas: IWM ("Integrated Woz Machine") is the single-chip Woz controller. It can handle 400k and 800k disks (plus Lisa twiggy drives and Apple II/III 5.25"), all of which are GCR.

SWIM ("Super Woz Integrated Machine") adds MFM capability and can do 720k MFM, 800k GCR, or 1.44M MFM (when connected to what Apple called "SuperDrive" at the time). The registers are largely identical to the IWM (NetBSD is capable of driving the SWIM/SuperDrive in 800k back-compatibility mode only) but it's sufficiently different that just slapping an IWM+800k drive there makes the firmware quite unhappy on SWIM-equipped Macs.

The original Mac II did have an IWM + 800k drive and that might be our way in, but that particular ROM is very hard to find. (Later-model IIs had the SWIM+SuperDrive just like later-model SEs did, and the upgrade uses the same firmware that the IIx, IIcx, and SE/30 did).


eta: that's unrelated. Everything I have shows block 0 as complete and valid (the recently released HFSExplorer, not to be confused with the old HFVExplorer, opens -extract'd CHDs fine). Just the newer firmware doesn't like it for some reason.

#55012 - 10/11/09 10:39 AM Re: SVN builds - new driver flood [Re: R. Belmont]  
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Justin Offline
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src\mess\machine\nes_mmc.c(7509) : warning C4717: 'mapper153_w' : recursive on all control paths, function will cause runtime stack overflow

#55013 - 10/11/09 10:44 AM Re: SVN builds - new driver flood [Re: Anna Wu]  
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Anna Wu Offline
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Originally Posted By Anna Wu
SVN r6034

Is the Famicom Disk support broken ?
If i try to load a fds file I get a crash.


SVN r6037
[FAMICOM] Fixed Disk System
I can now load a fds file without crash but I get a disk trouble err. 23 in emulation.



Last edited by Anna Wu; 10/11/09 10:49 AM.
#55014 - 10/11/09 10:50 AM Re: SVN builds - new driver flood [Re: Anna Wu]  
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etabeta78 Offline
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@Arbee: thanks for the answer

@Justin & Anna: tonight I'll try to fix both problems

#55015 - 10/11/09 10:51 AM Re: SVN builds - new driver flood [Re: etabeta78]  
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Anna Wu Offline
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Originally Posted By etabeta78
@Arbee: thanks for the answer

@Justin & Anna: tonight I'll try to fix both problems


Thank you to take care about the problems. smile

#55016 - 10/11/09 12:46 PM Re: SVN builds - new driver flood [Re: Anna Wu]  
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etabeta78 Offline
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both bugs are now fixed locally. I will commit the changes to svn tonight, hopefully with some other progress smile

#55018 - 10/11/09 03:27 PM Re: SVN builds - new driver flood [Re: etabeta78]  
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R. Belmont Online content
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Mac SE/30 internal video now working, although between this and the previous picture I'm clearly missing something about how NuBus maps stuff smile



#55021 - 10/11/09 04:07 PM Re: SVN builds - new driver flood [Re: Anna Wu]  
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Stiletto Online content
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Stiletto  Online Content
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Originally Posted By Anna Wu
It is very difficult to find more details about the CD-ROM drive and the controller.
Guru dumped already the roms from the Marty (not CarMarty) console. Maybe he still have the console and can give us more details ?


I was at a videogame convention yesterday - one of the sellers had an FM Towns Marty for sale - $800, so I decided to pass on it. smile

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