[sdiy] TI 76477 Space Invaders sound chip detailed analysis

Vilhelm Gustafsson villeg at gmail.com
Mon May 28 01:47:28 CEST 2018

On Wed, May 23, 2018 at 6:22 PM, Eric Brombaugh <ebrombaugh1 at cox.net> wrote:

> Google "Blacet Dark Star Chaos" - pretty sure that Frac Rack module was
> based on the SN76477.

Yes it was. It doesn't really say anything about that on Blacet's page, but
as you can see:

Schematic of the original 80s version:

Pic of the "2000" reissue sold about 10 yrs ago:

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