From tvasiliev@clari.net Thu Nov 09 05:52:06 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!clari!tvasiliev From: tvasiliev@clari.net (Thiago Vasiliev) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov09.055206.4057@clari.net> Date: Thu, 09 Nov 1995 05:52:06 GMT Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 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. 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. -- Thiago Vasiliev -- ClariNet Communications Corp "Row 14. No joke." From echoi@ox.ac.uk Thu Nov 09 18:20:06 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!ox!echoi From: echoi@ox.ac.uk (Emi Choi) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov09.182006.3745@ox.ac.uk> Date: Thu, 09 Nov 1995 18:20:06 GMT References: <1995Nov09.055206.4057@clari.net> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Nov09.055206.4057@clari.net>, tvasiliev@clari.net (Thiago Vasiliev) 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... -- === Emi Choi === Dept of Electrical Engineering, Oxford University Computing Laboratory "Extraordinary claims require extraordinary spectra." From hfournier@delphi.com Fri Nov 10 23:24:06 1995 Path: ashpoly!cascade!transat!ukc!fennimore!delphi!hfournier From: hfournier@delphi.com (Hugo Fournier) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov10.232406.4679@delphi.com> Date: Fri, 10 Nov 1995 23:24:06 GMT References: <1995Nov09.055206.4057@clari.net> <1995Nov09.182006.3745@ox.ac.uk> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Nov09.182006.3745@ox.ac.uk>, echoi@ox.ac.uk (Emi Choi) 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. -- Hugo Fournier | hfournier@delphi.com PGP Key fingerprint: F294 411F E367 72AC "Keep the channels open." From thughes@delphi.com Sat Nov 11 21:12:06 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!delphi!thughes From: thughes@delphi.com (Tobias Hughes) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov11.211206.3106@delphi.com> Date: Sat, 11 Nov 1995 21:12:06 GMT References: <1995Nov09.055206.4057@clari.net> <1995Nov09.182006.3745@ox.ac.uk> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Nov09.182006.3745@ox.ac.uk>, echoi@ox.ac.uk (Emi Choi) 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. -- Tobias Hughes "Row 14. No joke." 486DX4/100 (FreeBSD 2.0.5) / TOS 4.04 From mivanov@berkeley.edu Sun Nov 12 02:50:06 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!berkeley!mivanov From: mivanov@berkeley.edu (Marisol Ivanov) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Nov12.025006.6793@berkeley.edu> Date: Sun, 12 Nov 1995 02:50:06 GMT References: <1995Nov09.055206.4057@clari.net> <1995Nov09.182006.3745@ox.ac.uk> <1995Nov10.232406.4679@delphi.com> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Nov10.232406.4679@delphi.com>, hfournier@delphi.com (Hugo Fournier) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Marisol Ivanov | mivanov@berkeley.edu PGP Key fingerprint: 0302 8959 8228 2889 "Keep the channels open."