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    ngtwolf

    Honestly, get over it. I don't care about...

    Honestly, get over it. I don't care about Facebook either, but that's where it's posted. If you don't want to use Facebook then ask someone who has it to get the information for you.

    It's not...

    ngtwolf Today, 11:53 PM Go to last post
    Ruud

    Could you be more precise, please? I use the same...

    Could you be more precise, please? I use the same routine for all the ROMs so if there is a bug, IMHO it would fail on testing the diagnostic ROM as well. So I wonder where it went wrong.

    Ruud Today, 11:51 PM Go to last post
    intabits

    For this particular cable, I can't see this as...

    For this particular cable, I can't see this as anything but an error.

    The placement of the J1 connectors on these two PCBs requires that the cable have a right angle fold at a minimum - fine. If...

    intabits Today, 11:50 PM Go to last post
    Ruud

    AFAIK the MDA card has 1k*4 SRAMs on board and...

    AFAIK the MDA card has 1k*4 SRAMs on board and therefore has no parity RAM. The monochrome cards that I know of that have DRAMs onboard are MGP cards, Monochrome Graphic and Printer card, capable of...

    Ruud Today, 11:37 PM Go to last post
    Ruud

    Please have a look at CC65...

    Please have a look at CC65, a C-compiler for various 6502 machines. It comes with its own assembler, CA65, and is used by a lot of people.

    I wrote my own assembler for the PC in 1986, based on...

    Ruud Today, 11:21 PM Go to last post