From iramirez@mit.edu Sun Jul 23 13:23:16 1995 Path: ashpoly!cascade!transat!ukc!fennimore!mit!iramirez From: iramirez@mit.edu (Ines Ramírez) Newsgroups: comp.sys.m68k Subject: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul23.132316.5251@mit.edu> Date: Sun, 23 Jul 1995 13:23:16 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: WinVN 0.99.5 Lines: 11 Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. A 256-point complex FFT is computed every 10 milliseconds, displaying a live spectrogram on a standard VGA monitor. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- === Ines Ramírez === Dept of Electrical Engineering, Massachusetts Institute of Technology "We don't sign stars. We build them." From ebrennan@kth.se Sun Jul 23 21:24:16 1995 Path: ashpoly!cascade!bigsur!kth!ebrennan From: ebrennan@kth.se (Emi Brennan) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul23.212416.8485@kth.se> Date: Sun, 23 Jul 1995 21:24:16 GMT References: <1995Jul23.132316.5251@mit.edu> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul23.132316.5251@mit.edu>, iramirez@mit.edu (Ines Ramírez) writes: > Real-time spectral waterfall and DBPSK demodulator for TOS 4.04. Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Emi Brennan Tape trading list upon request. SASE required for international mail. From ibrennan@kth.se Mon Jul 24 12:09:16 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!kth!ibrennan From: ibrennan@kth.se (Ines Brennan) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul24.120916.1929@kth.se> Date: Mon, 24 Jul 1995 12:09:16 GMT References: <1995Jul23.132316.5251@mit.edu> <1995Jul23.212416.8485@kth.se> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jul23.212416.8485@kth.se>, ebrennan@kth.se (Emi Brennan) writes: > Atari Falcon vs Amiga 1200 flamewar in 3... 2... 1... Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Ines Brennan | ibrennan@kth.se PGP Key fingerprint: 94CC 7C66 7FD1 F2D2 "Keep the channels open." From tlee@berkeley.edu Wed Jul 26 13:08:16 1995 Path: ashpoly!cascade!brgate!saturno!berkeley!tlee From: tlee@berkeley.edu (Tobias Lee) Newsgroups: comp.sys.m68k Subject: Re: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1995Jul26.130816.1476@berkeley.edu> Date: Wed, 26 Jul 1995 13:08:16 GMT References: <1995Jul23.132316.5251@mit.edu> <1995Jul23.212416.8485@kth.se> <1995Jul24.120916.1929@kth.se> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Jul24.120916.1929@kth.se>, ibrennan@kth.se (Ines Brennan) writes: > Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Tobias Lee US Robotics Courier V.34 @ 28,800 bps "Measuring a record you own is listening, not piracy."