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Article #977Re: "Noisemaker": Need G.I. AY-3-8910 sound chip app note
From: Boston-Baden
Date: Sun, 09 Oct 1994 10:50
Date: Sun, 09 Oct 1994 10:50
18 lines
2180 bytes
2180 bytes
Hex values that made a repeating pseudo-'bell' tone on the AY-3-8910/8912:
Registers 0 1 2 3 4 5 6 7 8 9 A B C D
Values A6 01 4F 01 1A 01 00 38 10 10 10 00 08 08
Aperiod Bperiod Cperiod nois Ena amp amp amp envper envctl
See my previous messages for more on this chip.
--
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 101243,8c36a2643939c612 X-Google-Attributes: gid101243,public X-Google-Thread: f70d1,d9a6cb91ef9b68cf X-Google-Attributes: gidf70d1,public X-Google-Thread: f5ddf,8c36a2643939c612 X-Google-Attributes: gidf5ddf,public X-Google-Thread: 115174,d9a6cb91ef9b68cf X-Google-Attributes: gid115174,public X-Google-Thread: 10d0b7,8c36a2643939c612 X-Google-Attributes: gid10d0b7,public X-Google-Thread: fd705,d9a6cb91ef9b68cf X-Google-Attributes: gidfd705,public X-Google-Thread: 103c3f,8c36a2643939c612 X-Google-Attributes: gid103c3f,public X-Google-Thread: 105d97,d9a6cb91ef9b68cf X-Google-Attributes: gid105d97,public X-Google-ArrivalTime: 1994-10-09 05:07:39 PST Newsgroups: alt.comp.hardware.homebuilt,alt.folklore.computers,alt.technology.obsolete,sci.electronics,comp.sys.apple2,comp.sys.apple2.programmer,bit.listserv.apple2-l,comp.os.cpm Path: arc1-ca.pugleaf.net!bga.com!news.sprintlink.net!pipex!swrinde!news.dell.com!paladin.american.edu!netcomsv!ix.netcom.com!netcom.com!hazel From: hazel@netcom.com (Boston-Baden) Subject: Re: "Noisemaker": Need G.I. AY-3-8910 sound chip app note Message-ID: <hazelCxEJFx.EL@netcom.com> Reply-To: hazel-chaz@netcom.com Organization: Tiddly Jell-O Factory X-Newsreader: TIN [version 1.2 PL1] References: <hazelCwLtxF.5BJ@netcom.com> <hazelCx0LJq.CnF@netcom.com> <hazelCxECAo.C20@netcom.com> Date: Sun, 9 Oct 1994 10:50:20 GMT Lines: 18