Re[2]: 6510 in FPGA works!!

From: groepaz (
Date: 2002-04-16 15:44:31

  • Next message: "RE: 6510 in FPGA works!!"
    Hello Marko,
    Tuesday, April 16, 2002, 3:17:12 PM, you wrote:
    MM> 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.
    MM> Congratulations!
    MM> What about JMP ($xxff), the decimal mode, and page boundary crossings?
    MM> The 64doc file even contains some test programs that you could try out.
    also have a look at the pc64 source (available at funet)... there is
    an extensive cpu-core testing suite in it which covers all the odd
    behaviour of decimal mode, page boundaries, illegals etc pp
    Best regards,
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