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#104160 - 02/18/16 09:30 PM Re: PC98 [Re: EoceneMiacid]  
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crazyc Offline
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Wait, how did you get that far? I had to make some changes to the DMA code to make it not get a stop 7b when booting from the floppies. Anyway, I think that it's working in the last screen but the display controller autodetect failed.

#104161 - 02/18/16 09:48 PM Re: PC98 [Re: EoceneMiacid]  
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TheCollector1995 Offline
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Very nice r09! and hmm, the DMA causing NT to freak out on the emulated pc98x1 drivers, and crazyc, what are the needed changes for the dma code? (I can wait for them to be submitted :))

Last edited by TheCollector1995; 02/18/16 09:50 PM. Reason: more info
#104162 - 02/18/16 09:59 PM Re: PC98 [Re: EoceneMiacid]  
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crazyc Offline
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Submitted, no waiting required.

#104163 - 02/18/16 10:36 PM Re: PC98 [Re: EoceneMiacid]  
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crazyc Offline
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Was wrong about the autodetect not working, it's just doing something unusual with the EGC enable. Will need for investigation but it can be forced with some debugger magic for now.


Edit:

Last edited by crazyc; 02/18/16 11:23 PM.
#104166 - 02/19/16 10:29 AM Re: PC98 [Re: EoceneMiacid]  
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EoceneMiacid Offline
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Is it possible to run an old MAME32 in this, Inception-style? smile

#104167 - 02/19/16 12:47 PM Re: PC98 [Re: EoceneMiacid]  
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R. Belmont Offline
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We did that forever ago. Early MacMAME versions run in the Mac driver too.

#104168 - 02/19/16 06:01 PM Re: PC98 [Re: crazyc]  
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r09 Offline
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Originally Posted By crazyc
Wait, how did you get that far? I had to make some changes to the DMA code to make it not get a stop 7b when booting from the floppies. Anyway, I think that it's working in the last screen but the display controller autodetect failed.


I used "winnt /b" from DOS to skip the floppies and boot from HDD. smile

Glad to see it working, NT was a bit of a pain to install even in my actual PC-9821Nw150 (it has an additional Trident graphics chipset, and finding an appropriate driver for that was pure insanity), so getting it to work in an emulator is quite nice.

#104169 - 02/19/16 06:10 PM Re: PC98 [Re: EoceneMiacid]  
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crazyc Offline
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Is there a driver for the 640x480x8 mode because at boot it complains about the video mode and seems to think that the 1120x750 from the PC-H98 should be available. Not being able to read japanese makes me a bit lost.

#104170 - 02/19/16 06:26 PM Re: PC98 [Re: EoceneMiacid]  
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ICEknight Online happy
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Originally Posted By EoceneMiacid
Is it possible to run an old MAME32 in this, Inception-style? smile
Maybe it's time to add all the MAME versions to the softlists. :P

#104171 - 02/19/16 08:17 PM Re: PC98 [Re: EoceneMiacid]  
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mahlemiut Offline
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Originally Posted By EoceneMiacid
Is it possible to run an old MAME32 in this, Inception-style? smile


Probably, Win32 apps are compatible across platforms. There is a PC98 specific version of DirectX 5 out there which you'll also need.
I'm sure I remember that I was able to run MAME32 on the FM Towns, despite it not being PC-compatible at all. MS-DOS apps will work too, if they don't do any direct hardware access. (PKZIP/PKUNZIP is a good example)


- Barry Rodewald
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