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Re: DOSBox-X branch

Posted on 2021-10-05, 06:28

Anyone knows why DOSBox-X struggles so much with sound blaster emulation in Windows 98SE? Every game I throw at it crashes, except when sbtype=none and I can play all them but without sound. I tested Quake II with Windows 98FE, didn't experience any problems. A lot of users have complained that …

Re: DOSBox-X branch

Posted on 2021-09-19, 13:00

That's correct. As I understand it, DOSBox was initially developed on Windows where you generally don't write directly to the PC speaker anyway, especially on Windows NT/2000/XP/etc. where user-space isn't allowed to touch any I/O ports. I understand the i/o port restriction in NT windows but it is …

Re: DOSBox-X branch

Posted on 2021-09-19, 12:15

speaker=true enables the emulated PC speaker output, it does not direct DOSBox-X to send port 61h output to the real PC speaker. DOSBox SVN and any other fork behaves the same, even if run under HX-DOS. I've heard there are audio output drivers for HX-DOS, however I don't know how to set that up. …

Re: DOSBox-X branch

Posted on 2021-09-19, 01:43

Can anyone help with a no sound issue running DOSBOX-X DOS port with the HX-DOS extender. The computer is a toshiba netbook which of course has no sound support under dos apart from speaker output. Boots to raw MSDOS 6.22 perfectly and loads doom, wolf3d etc.. perfectly with speaker output for …

Re: DOSBox-X branch

Posted on 2021-09-11, 14:59

Codeholio, trying DEBUG 0 61 3 didn't work; but I found something that did. After some trial and error; I narrowed it down to: fpu = false If this is set, the topo map generates correctly. If it's set to TRUE, it generates the error I posted earlier. This makes me wonder if WILDERNESS also had the …

Re: DOSBox-X branch

Posted on 2021-09-10, 21:01

Try using a DOS program or DEBUG.EXE to write 03h to port 61h. This will make a BEEEEEEEP but will turn on the PIT timer as well. I got DEBUG.EXE, but I'm trying to figure out how to write 03h to port 61h. I'm trying this in debug: -o 61h 03h but I get an ^ error pointing at the H EDIT: I tried …

Re: DOSBox-X branch

Posted on 2021-09-10, 01:30

Wonder if it uses timer jitter for randomness or some other trick. It's possible. Some games use the PC speaker timer. Some games when they do that correctly turn that PIT timer on (clock gate) while keeping the PC speaker muted to read that. However I've also seen games that ASSUME the PIT timer …

Re: DOSBox-X branch

Posted on 2021-08-21, 21:16

Actually, looking at that document, I think I see the problem. Intellimouse compatible mice are supposed to report device ID 0x03, then change to device ID 0x04 when put into Intellimouse mode. DOSBox-X has it a bit wrong returning 0x00 until put into Intellimouse mode, looking into it. EDIT: Erm, …

Re: DOSBox-X branch

Posted on 2021-08-21, 21:04

Thanks for the info. I will try to remember to leave int33=false when using CuteMouse. I have one other quick question, if you don't mind. When using the /O switch with CuteMouse to enable scroll wheel support, the cursor will only move up and down and not left and right. Does DOSBox-X not have any …

Re: DOSBox-X branch

Posted on 2021-08-21, 19:48

Using Ctrl+F10 to capture the mouse did the trick! Thanks! I can't believe I forgot that simple trick. I knew there must be some simple something I was missing. I'm kind of glad it happened though because this post might help someone else that is trying to figure this out and save them some trouble …

Re: DOSBox-X branch

Posted on 2021-08-21, 06:11

Is compatibility with CuteMouse currently broken? I have a particular game that does not like the built-in mouse driver, and in the past I've used CuteMouse to get around this problem, but it seems to not be working in the current build. Is anyone else experiencing this problem? BTW, I've already …

Re: DOSBox-X branch

Posted on 2021-04-08, 16:17

I haven't seen any Windows 3.x games that use the COLOR_CMP feature, at least not yet. Related to DOSBox's emulation of S3 hardware acceleration, in various Win3 dialogs an "Unhandled draw command 3" log message occurs, which according to the Trio 64 spec is "poly fill solid". The absence of …

Re: DOSBox-X branch

Posted on 2021-04-08, 07:00

I just made a commit to DOSBox-X that adds COLOR_CMP to S3 XGA emulation. I'm not sure if anything in Windows 3.1 or DOS uses it, but it helps Windows 95 DirectX games do their color key based 256-color transparency BitBlts. Think DOSBox SVN could use it? https://github.com/joncampbell123/dosbox-x/ …

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