From kmoreno@u-tokyo.ac.jp Sun Oct 22 15:24:55 1995 Path: ashpoly!cascade!transat!ukc!fennimore!u-tokyo!kmoreno From: kmoreno@u-tokyo.ac.jp (Katrin Moreno) Newsgroups: comp.sys.m68k Subject: [FLAME] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Oct22.152455.8488@u-tokyo.ac.jp> Date: Sun, 22 Oct 1995 15:24:55 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 10 Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! By setting up Paula's audio DMA to double-buffer incoming 8-bit samples, the 68020 has plenty of cycles left for the Costas loop. Long live the Amiga. Try doing real-time subcarrier demodulation on a 386 running Windows 3.1 without dropping frames! -- Katrin Moreno Tape trading list upon request. SASE required for international mail. From dkuznetsov@inria.fr Tue Oct 24 16:02:55 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!inria!dkuznetsov From: dkuznetsov@inria.fr (Dave Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Oct24.160255.9962@inria.fr> Date: Tue, 24 Oct 1995 16:02:55 GMT References: <1995Oct22.152455.8488@u-tokyo.ac.jp> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1995Oct22.152455.8488@u-tokyo.ac.jp>, kmoreno@u-tokyo.ac.jp (Katrin Moreno) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. > When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! Please make sure it's compatible with Kickstart 1.3 for those of us who haven't upgraded our A500s to 3.1 yet. PGP Public key available via finger or upon request. -- Dave Kuznetsov *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From rcampbell@pacbell.net Thu Oct 26 01:29:55 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!pacbell!rcampbell From: rcampbell@pacbell.net (Rodrigo Campbell) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Oct26.012955.1752@pacbell.net> Date: Thu, 26 Oct 1995 01:29:55 GMT References: <1995Oct22.152455.8488@u-tokyo.ac.jp> <1995Oct24.160255.9962@inria.fr> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Oct24.160255.9962@inria.fr>, dkuznetsov@inria.fr (Dave Kuznetsov) writes: > Please make sure it's compatible with Kickstart 1.3 for those of us who haven't upgraded our A500s to 3.1 yet. Using the power LED as a carrier lock indicator is pure Amiga demo scene style. Kudos! My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Rodrigo Campbell "Extraordinary claims require extraordinary spectra." Amiga 1200 (Blizzard 030/50) / AmigaOS 3.1 From ntakahashi@uu.net Fri Oct 27 02:08:55 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!uu!ntakahashi From: ntakahashi@uu.net (Nadia Takahashi) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Oct27.020855.3936@uu.net> Date: Fri, 27 Oct 1995 02:08:55 GMT References: <1995Oct22.152455.8488@u-tokyo.ac.jp> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1995Oct22.152455.8488@u-tokyo.ac.jp>, kmoreno@u-tokyo.ac.jp (Katrin Moreno) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. > When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! Download failed on Aminet mirror. Can someone mail me an ADF floppy disk image? Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Nadia Takahashi | ntakahashi@uu.net PGP Key fingerprint: A66E 799F A739 1187 "Keep the channels open."