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Re: ALT+F12 Turbo Mode - how does it work?

I may have figured out what's going on. Here's a rough chart to explain: https://www.vogons.org/download/file.php?id=172468 cycles.png The large columns are the amount of time available to render 1 frame on the host system. At 60fps this is 1000/60 or ~16.67ms, during which the emulated system is …

ALT+F12 Turbo Mode - how does it work?

I'm working on a project to automate recording some DOSBox gameplay videos. To save time, I had the idea to start recording and then enable Turbo Mode, which should let me record a ~2 minute video in less than 2 minutes real-time. This has led me down a rabbit hole of Turbo Mode, because I cannot …

Help identify MIDI synth (Scrabble CD-ROM, 1996)

Scrabble CD-ROM (1996) has a background soundtrack of MIDI files that plays through the system MIDI synthesizer when using Windows. However, the disc also has a Mac version, and comes with a folder called "MACTUNES", which are in AIFF format and these are played instead for background music. The …

Re: Gravis FTP Site

I found that mmnt.net site before but it doesn't appear to be a mirror - it's an indexing project that shows the files that used to be on the site. The links go to the dead ftp.gravis.com server. I should have realized it died so long ago, haha. Didn't check the post date when I found those results!

Re: Ensoniq / Creative AudioPCI

Further investigations. This archived Usenet thread from 1997 (if you can ignore the flamewar!) confirms: practically everything about the AudioPCI is really handled by the host PC. Think WinModems, for the sound card world. The whole thing boils down to a 2xDAC 1xADC on a PCI card with an AC'97 …

Re: Ensoniq / Creative AudioPCI

A few interesting links for your consideration. * http://www.ronybc.com/ak4531-es1370.php Replace the Op-Amp with a much better one (and further hacks) * http://www.rage3d.com/board/showthread.php?t=11995 "Also keep in mind that by today's standards the AudioPCI's DSP processor is a real lightweight …

Re: Ensoniq / Creative AudioPCI

I understand that I am bumping a very old thread here, BUT! This topic seems to be the Definitive Resource on vogons for information about this card / family. I've been doing a bit of Internet research on this card and would like to present my findings... both for interest from a DOS/Windows user's …

Re: Engineering a DOS PC

Today I searched a little more to find out about SoC devices which incorporate an x86-compatible processor. These appear to be the main (current) contenders in this space: AMD Geode GX / LX, or older AMD Elan DM&P Vortex86 and friends (PMX-1000) RDC? Intel Atom VIA (though I can't seem to find their …

Re: Engineering a DOS PC

Wikipedia's article "List of Single-Board Computers" turns up this set of x86-based items: fit-PC – AMD Geode LX 800 (fit-PC), Intel Atom Z5xx (fit-PC2), AMD G-Series APU (fit-PC3) MinnowBoard Intel Galileo PC Engines ALIX system boards – miniITX and smaller formfactor, models with and without VGA, …

Engineering a DOS PC

In the early planning phases of a project. I am envisioning a new single-board computer using current parts which can run MS-DOS natively. Think Raspberry Pi, with an x86 processor instead. Looking for tips, links to others attempting similar things, etc. FYI: I was prompted by this: http://www. …

Warcraft I Map Images

In my free time I have been putting together a tool that can render various popular 2d RTS map images to BMP/PNG/etc. I recently added support for Warcraft maps, but because they aren't user-editable and don't have start locations clearly defined, I used DosBOX to set up dummy IPX network games and …

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