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boulinha

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Posts posted by boulinha

  11. Posted

    Hello Derek

    I will try to get some of the info requested.

     

    By the way, I was looking for some info about the DazRAM module #27 for the Voltmace Database and I found this in a scanned page of the ZX Computing magazine here (page 58):

     

    retro8bitcomputers.co.uk/Content/downloads/magazines/ZXcomputing/ZXComputing_Jun-Jul_1983.pdf

     

     

     

    and here: www.retro8bitcomputers.co.uk/Content/downloads/magazines/ZXcomputing/ZXComputing_Oct-Nov_1983.pdf

    on page 90:

     

     

     

     

    Do you know anything about this tool for the ZX81? It seems amazing!

    In your page https://sig2650.wordpress.com/about/it seems you were working on it.

     

  15. Posted

    Exactly! I try to cover the majority of 1292 consoles with the next adaptor, so I'm looking for the biggest family with same connectors and cassette dimensions. Rom-compatibility is one thing, fitting mechanically/electrically into edge connector and slot are different things, equally important for the user. ;) So, my question is: Are Radofin, Hanimex, Fountain, Grandstand, Lansay, Audiosonic, Prinztronic and Acetronic really one family? Is it a good choice to select these consoles?

     

    Thanks for the discussion!

     

    Yes, they are one family with cartridge compatibility between all of them.

    • Like 1

  16. Posted · Edited by boulinha

    Rolo Interton adapter can work in the Voltmace /Videomaster family. Their carts are almost similar to Interton ones but they have an extra (and not used) pin. So, as I explained in this thread :http://atariage.com/forums/topic/229111-voltmacevideomaster-database-leap-frog-dump/page-2you only have to insert Rolo adaptor on the right side of the Voltmace connector, leaving free the first pin on the left side.

     

    I also added some consoles to the Wikipedia page

  17. Posted

    :arrow: Your HELP is needed!

     

    Well, I'm thinking about making an Extension-Cartridge for the 1292-systems, like Radofin, Acetronic, Princetronic, like I have one for the Interton VC4000.

    But I do not have one of those! :? And I can't find a cheap one to buy.

     

    Question 1: Are those cartridge systems really compatible? Same cartridge port pinout? Same geometry? Same cartridges?

    Question 2: Does anybody have some schematics, service manual, technical details?

    Question 3: Does anybody have some real interest in such an Extension Cartridge for the Dragon Multi-Cartridge?

    Question 4: Would anybody lend such a console and one game cartridge to me for testing purposes? Or does anybody know of a cheap console for me to buy?

     

    Rolo

    :)

    1- No. Games are 100% compatible (ROMs) but cartridge geometry and port pinouts are different in 1292 & 1392 families. In fact, Interton PCB card connector card has 1 only side and Radofin family carts have two sides.

    2- There is a lot of information on Amigan Emerson Arcadia 2001 Central webpage (http://amigan.yatho.com/). Maybe you can find some schematics. There is a Service Manual for the Fountain console here. http://amigan.yatho.com/fountain.zip

    3- I could be also interested

    4- I already sold one unit some months ago. Pity. But I can review my stock and see if I could lend or sell another one. eBay should have units from time to time.

    • Like 1

  19. Posted

    They would have had to be shipping a lot of cartridges to cover the cost of mask programmed ROM's. We used EPROMs at Voltmace.

    Correct.

     

    One additional info. Voltmace cartridges can also be used on Interton consoles if

    1) remove PCB board from the cartridge,

    2) "cut" the pin 1 (first one on the left) because it's not used.

    Now the PCB fits into Interton cartridge slot.

     

    So if you remove PCB board from an Interton cartridge and insert it into Voltmace console fitting it all the way to the right into the cartridge slot, it works.

     

    I tested both on real consoles and works.

     

    See the pictures (sorry I'm not good with DIY hardware tools)

    post-51485-0-71272900-1495619450.jpg

    post-51485-0-86975800-1495619454_thumb.jpg

  20. Posted

    Hello friends

     

    Normally Interton cards are based on ROM chips.

    The system I had (and actually I have) when I was a child was the T.R.Q. H-21 clone from Spain. Cartridges are 100% compatible with Interton VC4000 console.

    (in fact you can use TRQ cards on Interton console but you can't use Interton cards on TRQ console because of physical "fitting" into the card slot)

     

    The fact is that most of the T.R.Q. cartridges I have opened are based in EPROM chips not ROM (adding a 74LS04 inverter chip to allow correct addressing).

     

    Using a TRQ cart and a EPROM programmer could be useful to test new releases on one Interton console. Or use the fantastic Rolo Dragon multicart with the Interton adapter, I tested it and it's fantastic. But you will also need an EPROM eraser and an EPROM programmer for debugging.

     

    In addition, if you use a T.R.Q. RAM-based game like "Come-Frutas" you will have RAM chips available and you only have to replace EPROM chip with your new release for testing.

     

    I will be happy to help you if needed.

  22. Posted

    Get a Dragon Co-Co Multicart with 3 adapters: Vectrex, Videopac and Interton. Looks really professional. Nice and on-time communication. A pleasure to deal with this sir. Recommended for sure.

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