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Re: The "12-bit" Sound Blaster 16 Myth

Posted on 2019-05-30, 20:39

-60dB crosstalk is still better than vinyl and tape, IIRC. Depends on how it manifests itself I suppose. Vinyl basically uses a 'hack' to create stereo, so the separation is never going to be great, but at the same time it is a very 'natural' sounding signal. In the case of the SB Pro it actually …

Re: The "12-bit" Sound Blaster 16 Myth

Posted on 2019-05-30, 13:16

Couple of observerations/points, based on just this sample set: My main observation here is that the CT1770 and CT2290 seem to differ considerably from the others in their frequency response. Also, the CT1770 seems to have to pay for that by being the only card with considerably worse SNR than any …

Re: ATI Graphics Solution

Posted on 2019-05-30, 10:03

I've read somewhere that it's possible to hack the text mode of any CGA to get 160x200 in 16 colors? Or was that 160x100, I can't remember now. Yes, 160x100 is possible. It's not very efficient/convenient however, because of the attribute/char pairs in memory. You set all chars to a specific …

Re: ATI Graphics Solution

Posted on 2019-05-29, 16:44

I do believe that if the IBM PC had been more successful in the home/games market early on, then the Plantronics card (or one of those other work-alikes) would've caught on much better. Yea, initially I wanted to say that the 16-colour modes wouldn't be too interesting for games, because they're …

Re: ATI Graphics Solution

Posted on 2019-05-29, 15:02

For some reason I was under the impression that CGA could only do 40x25 in color, but 80x25 was shades of gray. My bad then. Well, 80x25 is not in colour on a composite display. Perhaps that is what you remembered. The reason for this is that 80x25 mode was hacked in by IBM. It uses a special high- …

Re: ATI Graphics Solution

Posted on 2019-05-28, 20:31

In fact I wonder how the Plantronics card came to be remembered even a little better than those others, and why Plantronics compatibility was ever a selling point at all. As you say, it's a struggle to find any software that supported it in the first place. ;) I suppose it's a combination of …

Re: PowerVR Fun Thread

Posted on 2019-05-28, 07:59

There actually were various levels of 'certification' for PowerVR games, as I mentioned in my blog back in the day: https://scalibq.wordpress.com/2012/12/18/just-keeping-it-real-part-6/ The PowerVR Extreme Certification The ultimate in the PowerVR certification supported titles will be reserved for …

Re: CMS Dev Kit

Posted on 2019-05-24, 12:24

To answer the original question: I have some unofficial CMS documentation, written by Jerry Joplin. You can find it here: http://www.dcee.net/Files/Programm/Sound/ In that document (CMSCHIPS), he writes: The information contained in this document is a combination of information found in the Sound …

Re: CMS Dev Kit

Posted on 2019-05-23, 09:06

However, in the early 90's I bought a Sound Blaster programming book written by two authors from the Netherlands These authors were members of the Dutch demogroup Ultra Force, best known for their Vectordemo: http://www.pouet.net/prod.php?which=3540 Another member of that group was Arjan Brussee, …

Re: MID-format player for Adlib device ?

Posted on 2019-05-23, 07:23

Only major issue I can remember running into with this method was that when I tried to record OPL3 music specifically in dosbox to dro format it would end up as 2xOPL2 (or Sound Blaster Pro 1 music) in the VGM format. Not sure what I was doing wrong. This is something I also struggled with, with …

Re: MID-format player for Adlib device ?

Posted on 2019-05-20, 20:57

There's various players, with various limitations. One that is on here is PX player: https://www.vogons.org/viewtopic.php?t=37630 Here's an old thread on the same subject: https://www.vogons.org/viewtopic.php?t=18412 Funny thing is that each player may sound different, because afaik the soundbanks …

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