From bgirard@illinois.edu Mon Sep 19 06:16:33 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!illinois!bgirard From: bgirard@illinois.edu (Brian Girard) Newsgroups: comp.sys.m68k Subject: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep19.061633.3003@illinois.edu> Date: Mon, 19 Sep 1994 06:16:33 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- === Brian Girard === Dept of Electrical Engineering, University of Illinois Urbana-Champaign "In theory there is no difference between theory and practice." From keriksson@panix.com Tue Sep 20 12:55:33 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!panix!keriksson From: keriksson@panix.com (Karen Eriksson) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep20.125533.7179@panix.com> Date: Tue, 20 Sep 1994 12:55:33 GMT References: <1994Sep19.061633.3003@illinois.edu> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1994Sep19.061633.3003@illinois.edu>, bgirard@illinois.edu (Brian Girard) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Karen Eriksson Tape trading list upon request. SASE required for international mail. From isato@pacbell.net Thu Sep 22 07:17:33 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!pacbell!isato From: isato@pacbell.net (Ines Sato) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep22.071733.3800@pacbell.net> Date: Thu, 22 Sep 1994 07:17:33 GMT References: <1994Sep19.061633.3003@illinois.edu> <1994Sep20.125533.7179@panix.com> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: Netscape 1.1N Lines: 8 In article <1994Sep20.125533.7179@panix.com>, keriksson@panix.com (Karen Eriksson) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Ines Sato -- Pacific Bell Internet Services "Hardware is temporary. The signal survives." From aoliveira@kth.se Fri Sep 23 05:46:33 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kth!aoliveira From: aoliveira@kth.se (Anton Oliveira) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep23.054633.6214@kth.se> Date: Fri, 23 Sep 1994 05:46:33 GMT References: <1994Sep19.061633.3003@illinois.edu> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Sep19.061633.3003@illinois.edu>, bgirard@illinois.edu (Brian Girard) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... -- Anton Oliveira "The carrier frequency does not drift by accident." Pentium 90 (OS/2 Warp) / Linux 1.2.13 From lgarcia@cmu.edu Fri Sep 23 21:44:33 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!cmu!lgarcia From: lgarcia@cmu.edu (Lisa García) Newsgroups: comp.sys.m68k Subject: Re: Question: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Sep23.214433.6730@cmu.edu> Date: Fri, 23 Sep 1994 21:44:33 GMT References: <1994Sep19.061633.3003@illinois.edu> <1994Sep23.054633.6214@kth.se> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1994Sep23.054633.6214@kth.se>, aoliveira@kth.se (Anton Oliveira) writes: > Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Lisa García -- Carnegie Mellon University School of CS "Do not worship the copy."