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Protected mode S3M module player for Gravis Ultrasound cards
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[[ 23.4.2012 Note: Uploaded project to Google Code, released under MIT license. Contact firstname.lastname@example.org for more info. Below is the original readme.txt from 1999. ]] S3MLIB v1.0, a small 100% Assembler S3M-module player for GUS (and SB?) ----------------------------------------------------------------------- AUTHOR Firehawk/Dawn aka. Jani Halme <email@example.com> DISCLAIMER (or something like that) You can use this for anything you want, except ripping it and saying that it's your own code. I like getting greetings a lot, too. :) If this player won't do what it's supposed to do (play a song), it's not my fault. Nor will I be liable for any damages this program could do (Yes, if you kill your hamster in frustration of using this player, I'm not to blame.) USAGE Very easy. :) See 'asmtest.asm' to see an example on how to use it in assembler programs linked with PMODE/W. If you want to use Watcom C, then check out 'wctest.c' for an example on how to do that. Use the batch files 'asmmake.bat' and 'wcmake.bat' to build the examples. You can also choose which drivers are compiled to the main library by editing 's3mconf.asm'. Not much to edit there, really, as that SB support is not finished. Also, sorry for not including an example on how to sync with music. It's not very difficult, though. :) SNIFF, SNIFF I started developing this player in summer 1995 for our game project that was never really even started. The code was working in winter 1996 and it was used for our 64KB intro 'Pallo' that was hastily made in a few days before ASM96. After that, I tried to revise the code to support SB and fix some small glitches but I somehow lost interest when Gravis announced their withdrawal from the sound card market. Now, on spring 1999, I'm releasing this source code in case someone still needs a solid GUS-only S3M player. If you use this code for something, please e-mail me; knowing that someone uses my code would make me really happy. :) KNOWN PROBLEMS * You may find some comments in finnish. They're probably not very useful anyway, so just forget them :) * The timer reprogramming is ugly and messes up the system clock... * "Exception 00"s in some _rare_ occasions. Control-E by Dune/Orange does this in the middle of the song on pattern 03. Suspiciously, that pattern is completely empty. However, I chopped the song into four patterns, one of which is 03. This didn't give the error - it comes only when playing the full song. Weird... * GUS PnP cards don't seem to work with the player. Don't know why. I've tested this player on each of my Ultrasounds (Classic, MAX, Extreme) without any problems. If anyone knows something that might help, mail me. I modified the GF1 reset routine a bit, so it might work better now... * I don't really have time to mess with this anymore, so if someone would like to finish the SB support or do some bugfixes, go right ahead. Release your own versions if you please, even. Just tell me about it first. :) * Ultrasound is discontinued... Sniff.. :( TODO * Fix that timer thing. It's no fun at all. * SB-support (started it already, but didn't have time to actually implement it). Anyone want to finish it? :) * Autodetect soundcards THANKS Brainpower - Did some testing with his GUS PnP and also gave some clues on how to code for a SB. Salomon - For making some cool S3Ms and for testing with his older revision GUS MAX. FreddyV/Useless - For releasing USMP, which I eyeballed a bit while fixing that GF1 reset thing. Hope it works better... Advanced Gravis - For the excellent sound card that still sounds great after so many years.