From ydubois@kiae.su Fri Oct 21 05:09:21 1994 Path: ashpoly!cascade!transat!ukc!fennimore!kiae!ydubois From: ydubois@kiae.su (Yuki Dubois) Newsgroups: comp.sys.m68k Subject: Question: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1994Oct21.050921.4563@kiae.su> Date: Fri, 21 Oct 1994 05:09:21 GMT Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: NewsWatcher 2.0b24 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! Source code and executable will be released on Aminet under mus/misc/stardust_amiga.lha next week. -- Yuki Dubois *PLONK* filter active for trolls. Amiga 1200 (Blizzard 030/50) - NetBSD 1.0 From meriksson@cam.ac.uk Sat Oct 22 04:07:21 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!cam!meriksson From: meriksson@cam.ac.uk (Mei Eriksson) Newsgroups: comp.sys.m68k Subject: Re: Question: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1994Oct22.040721.4376@cam.ac.uk> Date: Sat, 22 Oct 1994 04:07:21 GMT References: <1994Oct21.050921.4563@kiae.su> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Oct21.050921.4563@kiae.su>, ydubois@kiae.su (Yuki Dubois) 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. -- Mei Eriksson "There are 14 nodes and only 10 countries. Count again." Atari TT030 / System 7.5.1 From dito@ox.ac.uk Mon Oct 24 02:54:21 1994 Path: ashpoly!cascade!transat!ukc!fennimore!ox!dito From: dito@ox.ac.uk (Dave Ito) Newsgroups: comp.sys.m68k Subject: Re: Question: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1994Oct24.025421.5061@ox.ac.uk> Date: Mon, 24 Oct 1994 02:54:21 GMT References: <1994Oct21.050921.4563@kiae.su> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Oct21.050921.4563@kiae.su>, ydubois@kiae.su (Yuki Dubois) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. Please make sure it's compatible with Kickstart 1.3 for those of us who haven't upgraded our A500s to 3.1 yet. -- Dave Ito *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From rnovak@utexas.edu Tue Oct 25 21:27:21 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!utexas!rnovak From: rnovak@utexas.edu (Renata Novak) Newsgroups: comp.sys.m68k Subject: Re: Question: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1994Oct25.212721.8638@utexas.edu> Date: Tue, 25 Oct 1994 21:27:21 GMT References: <1994Oct21.050921.4563@kiae.su> <1994Oct22.040721.4376@cam.ac.uk> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Oct22.040721.4376@cam.ac.uk>, meriksson@cam.ac.uk (Mei Eriksson) writes: > Brilliant use of Paula DMA! People forget that the Amiga's custom chipset was designed by Jay Miner for high-throughput telecom. PC users spend $3,000 on Sound Blasters and Pentium chips and still can't do what a $500 Amiga was doing in 1985. -- === Renata Novak === Dept of Electrical Engineering, University of Texas at Austin "5 sigma is a discovery. 7 is a question." From efischer@titech.ac.jp Thu Oct 27 18:47:21 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!titech!efischer From: efischer@titech.ac.jp (Emi Fischer) Newsgroups: comp.sys.m68k Subject: Re: Question: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1994Oct27.184721.2793@titech.ac.jp> Date: Thu, 27 Oct 1994 18:47:21 GMT References: <1994Oct21.050921.4563@kiae.su> <1994Oct22.040721.4376@cam.ac.uk> <1994Oct25.212721.8638@utexas.edu> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1994Oct25.212721.8638@utexas.edu>, rnovak@utexas.edu (Renata Novak) 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. Please make sure it's compatible with Kickstart 1.3 for those of us who haven't upgraded our A500s to 3.1 yet. -- Emi Fischer Tape trading list upon request. SASE required for international mail.