Raspberry Pi Forums

Dietmar

Hi, I noticed, that the new Qemu 1.7 can boot up a full Windows XP SP1 to desktop in 10 min. This is interesting, because Win95, Win98 cant be boot up with this Qemu version. They even do not start, when they are loaded to ram and start from there. I think, something with memory splitting between Qe...

Dietmar

Ok, after long searching in the dark I found out, that I have to enable boot from disk and not boot from floppy in Bochs settings :mrgreen: . For this I counted every byte on my harddisk image and was then for 100% sure, that it fits CHS with 203,16, 63. But now comes some crazy things: The boottime...

Dietmar

Hi, now I am just compiling brandnew :mrgreen: Bochs. No overclocking at all, Raspbian from 25.9.2013 and untar bochs-20131204.tar.gz (source files) to the folder root@raspberrypi:/home/pi/bochs . I need to install 1.) apt-get install libsvga1-dev 2.) export CFLAGS="-O3 -mfloat-abi=hard -mfpu=vfp -m...

Dietmar

Hi, I make a try with Bochs. It is much better documented than Qemu. And Bochs has a Debugger, waaoh!!! I noticed in Qemu, that the tcg does not know anything about floating point. So I get the feeling, that Qemu is not so good, as all think.. Looks a little bit unorganiziced. And nearly all floatin...

Dietmar

Hi, I think about how to improve the binary translation velocity. I think two ways are possible: 1.) Build a virtual x86 machine on Arm-Raspi with own Bios. I would prefer i486 code, as Galileo (Intel) does. http://web.archive.org/web/20010602205826/http://www.transmeta.com/crusoe/download/pdf/cruso...

Dietmar

Hi ric96, try to change your settings in sound and video. (Enable-disable some switches there). If you have directX on your Win95, disable all acceleration with dxdiag.exe in windows/system, because it is pushed via software on raspi-qemu. Now I have a lot of games, which run at normal speed and wit...

Dietmar

Hi,
I noticed, that a bad SD card can be put to life again very quick
with the program gparted.
Just put gparted on CD, your SD card in USB adapter and
start from this CD. Then chose repair of the SD card
and in a few seconds all is ok again,
greetings
Dietmar

Dietmar

http://www.heise.de/newsticker/meldung/ ... 57815.html

cool

,
Dietmar

Dietmar

Hi ric96,
I send you mail,
but it comes back,
greetings
Dietmar

Dietmar

May be this works better

Code: Select all

qemu win95.img -cdrom win95a.iso -m 4 -cpu 486 -boot d

greetings
Dietmar

Dietmar

I noticed, that the qemu on Raspi has a problem to build a valid Fat16 win95.img. Because of this, I build this win95.img on a desktop qemu via qemu-img create win95.img 200M And you also can extract the win95a.iso to a folder win95a to that win95.img and start installation from there. And the switc...

Dietmar

Code: Select all

qemu win95.img -cdrom win95a.iso -m 4 -boot d

Dietmar

Hi ric96, in my case it was for 100% sure the damage of my SD cards. I wonder, why always in set-up it crashes, sometimes after 2%, sometimes after 100%. Today I noticed, that they give 10 years garantie on those Panasonic SD cards. When I do a check programm on my other SD cards, ALL from SanDisk, ...

Dietmar

Yeppa,
with a brandnew Panasonic SD card RP-SDUB 16G
I succeed to INSTALL Win95 on Raspi

,
this is really fun
Dietmar

Dietmar

Installation starts,
but on different places qemu crashes always.
So, until now no direct installation on Win95 on raspi

Dietmar

Dietmar

Yepp, Win95 comes to desktop in 49 sec. No overclocking at all. For Moorhuhn you need to install directX 2 also :mrgreen: Now I test to install Win95 direct via win95a.iso. This also means that ALL newer qemu versions than those from Thoronir have a big problem with win95, may be because of Fat16, D...

Dietmar

Compiling works without any error.
Now starts testinggg...

Dietmar

Dietmar

Hi, just now I am compiling on a brand-new Raspi the Thoronir-Qemu with my patches (didi2.rar here in forum) and ./configure --target-list="i386-softmmu" --enable-sdl --prefix=/usr --extra-cflags="-O3 -mfloat-abi=hard -mfpu=vfp -mcpu=arm1176jzf-s -mtune=arm1176jzf-s -march=armv6zk" --audio-drv-list=...

Dietmar

Hi ric96, in last days I noticed some strange things with the new qemu. I think in first place, something is wrong in reading/writing with this qemu version. But also, on this weekend I crashed 4 SD cards, no overclocking at all. Some where not recogniced at all on all 7 Raspis (I have) after crash ...

Dietmar

Hi, I make some more tests to install win95 direct via the new qemu-1.7.0-rc1 on Raspi. Some strange things happen. On different places I get the message, that file allocation table was wrong, that from CD (iso) cant be read, that from floppy cant be read, that from harddisk cant be read because of ...

Dietmar

Hi, I noticed where the problem is to INSTALL win95 on raspberry pi via qemu. I take the very first version of win95 from 11.7.1995 and win95.iso with a boot floppy image. The problem is: I can install direct via qemu this win95 on raspi until to the first reboot. But during first reboot, win95 trie...

Dietmar

This brings me to the idea,
to install a new Win95 but not on a real harddisk,
but with the new qemu-1.7.0-rc1,
because then it makes only use of its own drivers,
Dietmar

Dietmar

Hi ric96, if installing does not work, take an installed win95 from a harddisk ( First partition, with mbr and partitionstable, just copy all bits from first bit to the end of that first partition with for example Winhex) and name it win95.img . It is some work but you will succeed, boottime is abou...

Dietmar

Hm,
Win95 crashes with the same error as in qemu-1.6.
And it is slow, you come only to the MS-Dos commandline from Win95.
So, until now ONLY Thoronir qemu-15.50 works good for Win95 (with sound and network),
greetings
Dietmar

Dietmar

Hi all,
I just make a try with the new qemu-1.7.0-rc1

and Raspbian 2013-09-25-wheezy-raspbian
for whole Win95 and user-mode,
greetings
Dietmar

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