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gregf
Ramtek's Trivia promoter
Reged: 09/21/03
Posts: 8583
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Re: 74LS629
10/20/10 10:32 PM



>>> Thanks to a patient Smitdogg, we now have this WIP.
>>> The 74LS629 is a PITA to emulate.

>> The long ago purchase [Donkey Kong logic schematics manual]

>Actually has more to do with Smitdogg lending me a Mario board with 74LS629s on it last
> year. There was no way to get this working without testing a real IC.

Okay. I changed my guess and figured it was from a pcb, but wasn't sure which one.
As before, good work there.


Is a 566 chip or a pcb (Exidy audio pcb from an Exidy game) still needed? Or is the 566 complete?


-------
http://mamedev.org/source/src/emu/sound/disc_dev.c.html


DSD_566 - Usage of node_description values
*
* Mar 2004, D Renaud. updated Sept 2009
*
* The data sheets for this are no where near correct.
* This simulation is based on the internal schematic and testing of
* a real Signetics IC.
-----







Entire thread
Subject Posted by Posted on
* 74LS629 Derrick Renaud 10/19/10 04:22 AM
. * How many games use the 74LS629? mike20599  11/07/10 02:37 AM
. * Re: How many games use the 74LS629? Derrick Renaud  11/07/10 06:29 PM
. * Re: 74LS629 StilettoAdministrator  11/05/10 10:15 PM
. * Phenomenal and incredible... Trebor  10/20/10 10:58 PM
. * Re: 74LS629 Foxhack  10/19/10 07:01 PM
. * Re: 74LS629 tamalmalamarrado  10/19/10 06:20 PM
. * Re: 74LS629 Derrick Renaud  10/19/10 07:45 PM
. * Re: 74LS629 tamalmalamarrado  10/20/10 12:16 AM
. * Re: 74LS629 Naoki  10/19/10 10:44 AM
. * Love it Sune  10/19/10 05:23 AM
. * Re: Love it redk9258  10/19/10 05:26 AM
. * Beautiful work! horseshoecrabs  10/19/10 07:04 AM
. * Re: 74LS629 gregf  10/19/10 05:12 AM
. * Re: 74LS629 Derrick Renaud  10/19/10 02:23 PM
. * Re: 74LS629 gregf  10/20/10 10:32 PM
. * Re: 74LS629 Derrick Renaud  10/21/10 02:16 PM
. * Re: 74LS629 Antny  10/19/10 08:38 PM
. * Re: 74LS629 Derrick Renaud  10/19/10 10:01 PM
. * Re: 74LS629 horseshoecrabs  10/20/10 12:02 AM
. * Re: 74LS629 Derrick Renaud  10/20/10 04:06 AM
. * Re: 74LS629 horseshoecrabs  10/20/10 03:04 PM
. * Re: 74LS629 "The Manuel"  10/19/10 03:15 PM
. * Re: 74LS629 Derrick Renaud  10/19/10 05:03 PM
. * Re: 74LS629 "The Manuel"  10/19/10 05:31 PM
. * Re: 74LS629 CrapBoardSoftware  10/19/10 09:38 PM
. * Re: 74LS629 "The Manuel"  10/19/10 09:58 PM

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