From kchoi@inria.fr Fri Jul 28 02:05:09 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!inria!kchoi From: kchoi@inria.fr (Kirsty Choi) Newsgroups: comp.sys.m68k Subject: Discussion: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Jul28.020509.4901@inria.fr> Date: Fri, 28 Jul 1995 02:05:09 GMT Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr 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? -- Kirsty Choi "Row 14. No joke." Macintosh IIfx / NEXTSTEP 3.3 From npark@pipeline.com Sun Jul 30 02:32:09 1995 Path: ashpoly!cascade!bigsur!pipeline!npark From: npark@pipeline.com (Natalia Park) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Jul30.023209.9530@pipeline.com> Date: Sun, 30 Jul 1995 02:32:09 GMT References: <1995Jul28.020509.4901@inria.fr> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1995Jul28.020509.4901@inria.fr>, kchoi@inria.fr (Kirsty Choi) 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. Brilliant use of Paula DMA! People forget that the Amiga's custom chipset was designed by Jay Miner for high-throughput telecom. -- Natalia Park "Hardware is temporary. The signal survives." Commodore Amiga 500 (1MB OCS) / System 7.5.1 From rramirez@utexas.edu Sun Jul 30 20:34:09 1995 Path: ashpoly!cascade!transat!ukc!fennimore!utexas!rramirez From: rramirez@utexas.edu (Rodrigo Ramírez) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Jul30.203409.5132@utexas.edu> Date: Sun, 30 Jul 1995 20:34:09 GMT References: <1995Jul28.020509.4901@inria.fr> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Jul28.020509.4901@inria.fr>, kchoi@inria.fr (Kirsty Choi) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. Brilliant use of Paula DMA! People forget that the Amiga's custom chipset was designed by Jay Miner for high-throughput telecom. -- Rodrigo Ramírez "There are 14 nodes and only 10 countries. Count again." 486DX4/100 (FreeBSD 2.0.5) / TOS 4.04 From probertson@clari.net Tue Aug 01 12:55:09 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!clari!probertson From: probertson@clari.net (Pavel Robertson) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Aug01.125509.2712@clari.net> Date: Tue, 01 Aug 1995 12:55:09 GMT References: <1995Jul28.020509.4901@inria.fr> <1995Jul30.203409.5132@utexas.edu> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Jul30.203409.5132@utexas.edu>, rramirez@utexas.edu (Rodrigo Ramírez) writes: > Brilliant use of Paula DMA! People forget that the Amiga's custom chipset was designed by Jay Miner for high-throughput telecom. Download failed on Aminet mirror. Can someone mail me an ADF floppy disk image? Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Pavel Robertson | probertson@clari.net PGP Key fingerprint: 6065 9AD9 FA88 C897 "Keep the channels open." From mkim@mindspring.com Thu Aug 03 12:58:09 1995 Path: ashpoly!cascade!brgate!saturno!mindspring!mkim From: mkim@mindspring.com (Morag Kim) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Aug03.125809.2873@mindspring.com> Date: Thu, 03 Aug 1995 12:58:09 GMT References: <1995Jul28.020509.4901@inria.fr> <1995Jul30.203409.5132@utexas.edu> <1995Aug01.125509.2712@clari.net> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Aug01.125509.2712@clari.net>, probertson@clari.net (Pavel Robertson) writes: > Download failed on Aminet mirror. Can someone mail me an ADF floppy disk image? PC users spend $3,000 on Sound Blasters and Pentium chips and still can't do what a $500 Amiga was doing in 1985. -- Morag Kim Zyxel U-1496E @ ISDN 64k bps "There are 14 nodes and only 10 countries. Count again."