Re: 6510 in FPGA works!!

From: Marko Mäkelä (Marko.Makela_at_HUT.FI)
Date: 2002-04-16 15:17:12

  • Next message: Nicolas Welte: "Re: Dead PET 2001 with 6550´er"
    On Tue, 16 Apr 2002, Gideon Zweijtzer wrote:
    > The FPGA implementation of the 6510 now runs perfectly. Before I was already
    > able to get into the basic and play around a little, but I still got
    > '?SYNTAX ERROR's at moments that I didn't expect them. BUT... the problem is
    > fixed now, it was just a silly misinterpretation on my side of the
    > documentation of the BIT instruction.
    What about JMP ($xxff), the decimal mode, and page boundary crossings?
    The 64doc file even contains some test programs that you could try out.
    > PS. Milestone one has been reached... let's look forward to the second: a
    > 6502/6510 with sdram, and to further 'releases' of the 32-bit version!
    With integrated REU emulation?  I look forward to that.
    I hope that you will release the hardware description under an open
    source license, such as one of the GNU licenses
    (  The same question was raised by
    Asbjørn Djupdal, whose message bounced due to the list server's
    countermeasure against unsolicited messages (unrecognized sender
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