Cirrus CL-GD5429: graphics corruption in DOS after loading windows 95

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dondiego
Posts: 10
Joined: Thu 27 Dec, 2018 12:05 am

Cirrus CL-GD5429: graphics corruption in DOS after loading windows 95

Post by dondiego » Wed 02 Jan, 2019 5:28 pm

Machines: AMI 486 clone 16 MB, MR 386DX 8 MB, most likely all of them. Windows 95 RTM.
800x600 desktop with the included driver. Launching a fullscreen dos box or restarting in ms-dos mode you get wrong characters in text mode and no Doom startup banner. Doom 2 doesn't work, you get vertical lines with graphics junk.
Additional problem: slightly wrong colors with the included driver and much worse in 16 bits (very bad).
Discussed here:
https://github.com/86Box/86Box/issues/352

szadycbr
Posts: 252
Joined: Mon 21 Nov, 2016 6:23 pm

Re: Cirrus CL-GD5429: graphics corruption in DOS after loading windows 95

Post by szadycbr » Wed 02 Jan, 2019 6:57 pm

dondiego , bro , this is not PCem but pcem clone, and anything with 86box will not be discussed here, you can download PCem source from https://bitbucket.org/pcem_emulator/pcem/downloads/ and compile yourself, then if anything is wrong it will be discussed here.
Please dont mention 86Box here as it is NOT PCem, and this forum is for PCem ONLY, not 86Box. if you care, you would read the very topic above yours https://pcem-emulator.co.uk/phpBB3/view ... ?f=2&t=502 .
Dont worry , i hope i didnt offend you in anyway , but this threads at very top are to be read , so no 86Box HERE :)
Take care :)

SA1988
Posts: 235
Joined: Wed 30 Apr, 2014 9:38 am

Re: Cirrus CL-GD5429: graphics corruption in DOS after loading windows 95

Post by SA1988 » Wed 02 Jan, 2019 7:47 pm

szadycbr wrote:
Wed 02 Jan, 2019 6:57 pm
dondiego , bro , this is not PCem but pcem clone, and anything with 86box will not be discussed here, you can download PCem source from https://bitbucket.org/pcem_emulator/pcem/downloads/ and compile yourself, then if anything is wrong it will be discussed here.
Please dont mention 86Box here as it is NOT PCem, and this forum is for PCem ONLY, not 86Box. if you care, you would read the very topic above yours https://pcem-emulator.co.uk/phpBB3/view ... ?f=2&t=502 .
Dont worry , i hope i didnt offend you in anyway , but this threads at very top are to be read , so no 86Box HERE :)
Take care :)
Seriously...
He also said it happens on PCem, not only on 86box.

szadycbr
Posts: 252
Joined: Mon 21 Nov, 2016 6:23 pm

Re: Cirrus CL-GD5429: graphics corruption in DOS after loading windows 95

Post by szadycbr » Wed 02 Jan, 2019 8:16 pm

SA 1988 , sorry for that, the 86Box link itself did wind me up :( , and again i become a moron :(
My appologies for jumping to coclussions.

dondiego
Posts: 10
Joined: Thu 27 Dec, 2018 12:05 am

Re: Cirrus CL-GD5429: graphics corruption in DOS after loading windows 95

Post by dondiego » Thu 03 Jan, 2019 6:09 pm

Of course it's a PCem bug report, i posted that link becouse i reported it there first (i could not register here) and some information there could be helpful.
Actually there are two bugs in PCem.

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