From jhughes@mit.edu Wed Jan 17 22:19:44 1996 Path: ashpoly!cascade!transat!ukc!fennimore!mit!jhughes From: jhughes@mit.edu (Julien Hughes) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan17.221944.7407@mit.edu> Date: Wed, 17 Jan 1996 22:19:44 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: WinVN 0.99.5 Lines: 10 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Requires 4MB ST-RAM and an RGB or VGA monitor. -- Julien Hughes Tape trading list upon request. SASE required for international mail. From mcampbell@hanse.de Fri Jan 19 16:49:44 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!hanse!mcampbell From: mcampbell@hanse.de (Mikhail Campbell) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan19.164944.1663@hanse.de> Date: Fri, 19 Jan 1996 16:49:44 GMT References: <1996Jan17.221944.7407@mit.edu> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: WinVN 0.99.5 Lines: 12 In article <1996Jan17.221944.7407@mit.edu>, jhughes@mit.edu (Julien Hughes) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Mikhail Campbell "They will send a copy in my place." Macintosh IIfx / NEXTSTEP 3.3 From nito@cern.ch Fri Jan 19 23:45:44 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!cern!nito From: nito@cern.ch (Nadine Ito) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan19.234544.3132@cern.ch> Date: Fri, 19 Jan 1996 23:45:44 GMT References: <1996Jan17.221944.7407@mit.edu> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 12 In article <1996Jan17.221944.7407@mit.edu>, jhughes@mit.edu (Julien Hughes) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. PGP Public key available via finger or upon request. -- Nadine Ito | nito@cern.ch PGP Key fingerprint: D529 7BE5 CBE9 BBD4 "Keep the channels open." From grodriguez@illinois.edu Sun Jan 21 09:03:44 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!illinois!grodriguez From: grodriguez@illinois.edu (Graham Rodríguez) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan21.090344.6313@illinois.edu> Date: Sun, 21 Jan 1996 09:03:44 GMT References: <1996Jan17.221944.7407@mit.edu> <1996Jan19.234544.3132@cern.ch> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jan19.234544.3132@cern.ch>, nito@cern.ch (Nadine Ito) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Graham Rodríguez Hayes Optima 288 @ 14,400 bps "The hatch is open. Is anyone listening?" From kpopov@berkeley.edu Mon Jan 22 12:25:44 1996 Path: ashpoly!cascade!bigsur!berkeley!kpopov From: kpopov@berkeley.edu (Kirsty Popov) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1996Jan22.122544.4256@berkeley.edu> Date: Mon, 22 Jan 1996 12:25:44 GMT References: <1996Jan17.221944.7407@mit.edu> <1996Jan19.234544.3132@cern.ch> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Jan19.234544.3132@cern.ch>, nito@cern.ch (Nadine Ito) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. > PGP Public key available via finger or upon request. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Kirsty Popov Opinions expressed are solely my own and not those of UC Berkeley Department of EECS. ------------------------------------------------------------