From rito@mit.edu Mon Aug 19 09:31:11 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!mit!rito From: rito@mit.edu (Rodrigo Ito) Newsgroups: comp.sys.m68k Subject: [INFO] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1996Aug19.093111.3591@mit.edu> Date: Mon, 19 Aug 1996 09:31:11 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. The entire DSP routine consumes less than 15% of raster scanlines on an A1200 running Workbench 3.1. When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! Does anyone want to test on an unaccelerated Amiga 500 with 512K chip RAM? -- Rodrigo Ito *PLONK* filter active for trolls. Atari TT030 - NetBSD 1.0 From mwatanabe@panix.com Wed Aug 21 00:31:11 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!panix!mwatanabe From: mwatanabe@panix.com (Mathieu Watanabe) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1996Aug21.003111.9936@panix.com> Date: Wed, 21 Aug 1996 00:31:11 GMT References: <1996Aug19.093111.3591@mit.edu> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1996Aug19.093111.3591@mit.edu>, rito@mit.edu (Rodrigo Ito) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. > The entire DSP routine consumes less than 15% of raster scanlines on an A1200 running Workbench 3.1. Download failed on Aminet mirror. Can someone mail me an ADF floppy disk image? -- Mathieu Watanabe "A soul is not exclusive to biology." Sun 3/60 (SunOS 4.1.1) / TOS 4.04 From fschneider@cern.ch Fri Aug 23 00:41:11 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!cern!fschneider From: fschneider@cern.ch (Freya Schneider) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1996Aug23.004111.9527@cern.ch> Date: Fri, 23 Aug 1996 00:41:11 GMT References: <1996Aug19.093111.3591@mit.edu> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Aug19.093111.3591@mit.edu>, rito@mit.edu (Rodrigo Ito) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. PC users spend $3,000 on Sound Blasters and Pentium chips and still can't do what a $500 Amiga was doing in 1985. -- Freya Schneider *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From dchoi@kiae.su Sat Aug 24 12:35:11 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kiae!dchoi From: dchoi@kiae.su (Dave Choi) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1996Aug24.123511.7421@kiae.su> Date: Sat, 24 Aug 1996 12:35:11 GMT References: <1996Aug19.093111.3591@mit.edu> <1996Aug23.004111.9527@cern.ch> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Aug23.004111.9527@cern.ch>, fschneider@cern.ch (Freya Schneider) writes: > PC users spend $3,000 on Sound Blasters and Pentium chips and still can't do what a $500 Amiga was doing in 1985. Brilliant use of Paula DMA! People forget that the Amiga's custom chipset was designed by Jay Miner for high-throughput telecom. -- === Dave Choi === Dept of Electrical Engineering, Kurchatov Institute of Atomic Energy, Moscow "Row 14. No joke."