[sdiy] TI 76477 Space Invaders sound chip detailed analysis

Pete Hartman pete.hartman at gmail.com
Wed May 23 19:42:10 CEST 2018


Aha, page 34/35 is missing from the scan.  What a shame :)

The article is "Sound Off" by the inimitable Steve Ciarcia.

And here's a different PDF that includes the missing pages :)

http://www.americanradiohistory.com/Archive-Byte/70s/Byte-1979-07.pdf

Pete

On Wed, May 23, 2018 at 12:21 PM, Pete Hartman <pete.hartman at gmail.com>
wrote:

> Something weird going on with the article, the first page I see about this
> is 36 and it starts right smack in the middle, but....
>
> I think this is your boy.  https://archive.org/
> stream/byte-magazine-1979-07/1979_07_BYTE_04-07_Automating_
> Eclipses#page/n41/mode/2up
>
> Pete
>
> On Wed, May 23, 2018 at 12:12 PM, <info at synthcube.com> wrote:
>
>> Its more than likely given the time lapsed since then... I was clearly
>> reading Byte, PE and Omni all around then, lusting after a PET computer
>> while toying with a neighbor's TRS-80-- but the article was definitely
>> about the SN76477 and that little breadboard project was at the time, so
>> cool I still remember it well!
>>
>> -------- Original Message --------
>> Subject: Re: [sdiy] TI 76477 Space Invaders sound chip detailed analysis
>> From: Pete Hartman <pete.hartman at gmail.com>
>> Date: Wed, May 23, 2018 1:06 pm
>> To: Synthcube <info at synthcube.com>
>> Cc: Tim Parkhurst <tim.parkhurst at gmail.com>, cheater00 cheater00
>> <cheater00 at gmail.com>, synth-diy mailing list <synth-diy at synth-diy.org>
>>
>>
>>
>> On Wed, May 23, 2018 at 11:00 AM, <info at synthcube.com> wrote:
>>
>>> So I remember first being exposed to the SN76477 via Omni Magazine in
>>> what must have been sometime from about 1978-1980. We are offering a $25
>>> store gift certificate to the first person to send us the article (or a
>>> link to it)-- i vaguely remember breadboarding a simple circuit with the
>>> SN76477 on  Radio Shack breadboard...
>>>
>>>
>> Apparently the July 79 BYTE magazine had an article about the AY-3-8910,
>> any chance you've got your chips/magazines scrambled? :)
>>
>>
>
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