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Hi Folks!

R.Belmont was right, i didn't read the message that indicated to contact Richard, but now it is done. smile

I don't have all the cartridges for the HMG-7900, i just have Chaser (SD-201), Gobeur (French version of Chaser), Meteorites (SD-202), Envahisseurs (SD-203) and Mur de Briques (SD-205). I'm still waiting for Raging Turtle to arrive (from a trade) so that's leaves only 4 missing games.

I have an Hanimex HMG-7900 and also a Soundic Programmable Color Video Game SD-290, i could lend one of the game system with all the carts i have to plgDavid but that still leaves a few games short to dump.


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Originally Posted By Sly DC
Hi Folks!


Welcome! smile

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Originally Posted By Sly DC
Hi Folks!

R.Belmont was right, i didn't read the message that indicated to contact Richard, but now it is done. smile

I don't have all the cartridges for the HMG-7900, i just have Chaser (SD-201), Gobeur (French version of Chaser), Meteorites (SD-202), Envahisseurs (SD-203) and Mur de Briques (SD-205). I'm still waiting for Raging Turtle to arrive (from a trade) so that's leaves only 4 missing games.

I have an Hanimex HMG-7900 and also a Soundic Programmable Color Video Game SD-290, i could lend one of the game system with all the carts i have to plgDavid but that still leaves a few games short to dump.


Hi!

If you could lend them those that would be great, if he is able to do any progress I'm happy to send him the remaining carts since I have them all.

SD-204 has already been dumped by Gilles Fetis a while back btw, he seems confident the dump is good, but having someone else redumping it would be nice to verify it. It's a microcontroller tagged as D8049 which seems to be some sort of uPD8049.

SD-201 doesn't have anything else other than the PCB.

The console is a NEC microcontroler (D779C-300).

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Welcome, Sly DC!
smile

Great thing you came onboard!


"A user interface is like a joke. If you have to explain it, it's not that good."
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I want to see scans of those SD-2XX carts a lot now...

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Thanks for the welcome Stiletto & Shideravan. smile

Check out my new post on http://discreteconsoles.blogspot.ca/

I have put scans of the four cartridges i have. If any of you needs the pictures bigger, e-mail me and i'll send you a RAR/ZIP file.

ssj: so the SD-204 (Raging Turtle) has been dumped ? Great! So that leaves only SD-206, SD-207, SD-208 and SD-210 and maybe SD-204 to be redumped for comparation. SD-201 game is incorporated in the D779C-300 BTW wink


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Very interesting. Hum yeah weird roms. What surprises me is the amount of diodes and resistors on there. JEDEC style roms do not need those. could they be micros?

EDIT2: Can't be JEDEC since A5+A6 would be tied, A3 would be floating.

EDIT1: And looks like bad hand soldered job, just like the other AY-3-85XX pong carts.

Last edited by plgDavid; 11/06/15 02:07 AM.
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Fun lol.

Was scourging old Motorola 81/82 era catalogs for MC6800 MCU's that could come in 28 pin packages, one was MC6805P2
Googled that and found this very own thread's Sean Riddle

http://www.seanriddle.com/milton.txt
Who saw one SC87XXX in this device, and found it was indeed an MC6805P2

http://www.seanriddle.com/mc6805p2.html

Last edited by plgDavid; 11/06/15 02:58 AM.
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I spoke with Sean back then and he was interested on trying to dump the Motorolla rom. The SC94806P at least as that was the one I asked him about since I only owned 2 or 3 games back then. Since I was working on acquiring the rest of the games and then send everything to kevtris we decided to wait and I ended up not sending him anything as I'd send the whole pack to kevtris instead then if needed he could forward it to sean since they are both in the US.

I managed to dig out his message from back then:
"That Moto part # is very similar to a 3870 that I dumped from the Boris Diplomat chess computer; it was SC80265P. I don't think there are any 28-pin 3870 variants, but it is likely some other micro, possibly not originally from Moto."

Console PCB pictures if anyone needs them:
http://i.imgur.com/OfpE0xp.jpg
http://i.imgur.com/Jg2jhyz.jpg

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This is probably calling for a new thread by the way, this one is getting completely hijacked now smile

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