don@augusta.UUCP (Don Law) (05/02/90)
> From: scheer@motcid.UUCP (Jon Scheer) > Subject: Looking for info on Midi card and/or Sound card. > Date: 27 Apr 90 18:06:58 GMT > Xref: encore comp.sys.ibm.pc:54199 comp.sys.ibm.pc.programmer:1194 > > > I've been in a hardware hacking 'mode' lately, and I'm looking for > information on ... > - Midi card specifications. FIRST: I bought a Music Quest PC MIDI card (because it was the cheapest MPU401 compatible I could find - $119). I ordered the programmer's toolkit with it for another $40, which includes a 75 page booklet called "Technical Reference for Music Quest MIDI Interfaces." It describes the MPU401 codes, memory layouts, interrupts, I/O requests, etc. etc. It does a decent job of differentiating standard MPU401 from Music Quest enhancements. Here is the "overview:" 1) MIDI Co-processor card Overview 2) MIDI Co-processor card hardware 3) MIDI Co-processor card - functional description 4) MQX-32 - Functional enhancements [Music Quest specific] 5) Programming Examples (assembly language) 6) Appendicies (commands, messages, codes, etc.) If you don't want the 3 disks full of software that comes with it (source code included), maybe they would just sell you the booklet. Contact: Music Quest, Inc. P. O. Box 260963 Plano, TX 75026-0963 (214) 881-7408 Disclaimer: I have nothing to do with Music Quest other than being a satisfied customer. SECOND: I was researching MIDI sequencers in the local library and ran across a reference you might find helpful: "Build MIDI for IBM PC" Byte magazine, vol. 11, June, 1986, page 199. Hope this helps --Don Law dlaw@encore.com ...!uunet!gould!dlaw --Ada Development MS404 --Encore Computer Corporation ***** In the computer lab, ***** --Ft. Lauderdale, FL 33313 ***** no one can hear you scream. *****