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candle

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Posts posted by candle

  4. Posted

    no, it should not

    as for bf2k+ question, time will tell - it should  not in most cases, but if some cartridges banks in and out their cartridge space rapidly, some delay might be introduced that will push things out of sync - but it would be hardware specific, and really rare if observable at all

     

  6. Posted

    simplest way would be adding 2.54mm headers in front of eci/cartridge ports

    you could add some footprints for din13 (vbxe) and dvi connectors in place of modulator in one way or another

    nice touch would be to add some points for console keys - or labels for easy identification, same goes for joystick ports

    or you could go with din8 connector with optional rewiring it to sega-genesis standard

    • Like 1

  7. Posted

    5 minutes ago, drac030 said:

    You are speaking of XL reset circuitry, right? So what about tf_hh's statement that he replaced the reset circuit in his XL with a copy of that what is in XE and this did not change anything? (which is extremely odd, I admit).

    then i would say it would be not the root-cause of issues observed, and focus on another diffrence which already stroke me while working on side3 - data bus termination on XL machines

     

  8. Posted

    from my point of view, it's not - it would be if i saw on that video program being executed (as traceback with register states and listing being executed), and I don't know anyone with such possibilities

    perhaps Simus - i don't know

    I have 48 channels LA, but it won't do listings - that i could get with external tool if i dump what LA registers, then again, i do have my own work and Atari projects i would like to get going, not to solve anyone's else issues

     

  10. Posted

    all i can see here, is drac030 trying to get simple information: how to trigger the issue; and getting all but the information needed

    his only guilt is getting engaged into a pointless discussion, with people having no rapidus board installed to be able to contribute with information required

    i'm sure someone draw a rapidus logo, thus that person is also part of design team, go blame that person - it's silly? i don't really see any diffrence there

     

    rapidus is a single-person effort (hardware-wise) and a result of 12 years of development (if not more) starting from simple things, and going through diffrent stages of development

    yet, final design was never tested on anything but few XE machines, not to mention XL or 1200

     

    xe's reset circuit generates single, narrow reset pulse, whereas xl's one puts this singal low as long as reset key is pressed, then there is a RC circuit generating some "constant" time for reset, especially power on reset

    this "constant" time varies, as years passes since capacitor used in that circuit is electrolitic one, and parish with time

     

    first thing to attack would be that capacitor, then whole reset circuit, and no, drac030 won't do it, unless there is some programming language that can accomplish this task

     

    • Like 1

  16. Posted

    ehem,

    just for all to know

    hell frozen and we, the doomed ones, playing with snowballs all days

     

     

    all 6 prototype boards were finally assembled, and should be shipped out soon*

     

    (* in period shorten than a year... kidding)

     

    • Like 3

  23. Posted

    i hope so

    under u1mb bios: pbi enabled, hard disk enabled

    memory configuration of your likeings, and jump to loader

    in side3 loader (this one starts from what you wrote) try to boot an atr

    make sure you have disabled/unmounted any cartridges, and basic is also disabled - there are separate tabs that will tell you this

     

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