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  • pjhacnau's Avatar
    January 8th, 2018, 01:07 AM
    pjhacnau replied to a thread Disassembling in Tandy/Radio Shack
    Thanks for that - a quick check showed up the Z80 disassembly in there as well - which means I have an "answer sheet" to compare what I work out...
    7 replies | 452 view(s)
  • pjhacnau's Avatar
    December 28th, 2017, 08:26 PM
    pjhacnau replied to a thread Disassembling in Tandy/Radio Shack
    OK so now I have checked and it's 3 blocks of 91 have a bad checksum. And I'd still prefer to discover how (if it's possible) to do a good...
    7 replies | 452 view(s)
  • pjhacnau's Avatar
    December 28th, 2017, 08:17 PM
    pjhacnau replied to a thread Disassembling in Tandy/Radio Shack
    Note I do have a fall-back option. I have yet to check fully but I'm hoping that there is only one block which has a checksum error in it - so the...
    7 replies | 452 view(s)
  • pjhacnau's Avatar
    December 28th, 2017, 08:09 PM
    pjhacnau replied to a thread Disassembling in Tandy/Radio Shack
    Thanks Larry but I've already got them. And given they load and run (either in XTRS or "played" into a real machine) I'm counting them as good. ...
    7 replies | 452 view(s)
  • pjhacnau's Avatar
    December 28th, 2017, 01:48 PM
    My ultimate goal here is to restore an old AH game where the image on the 500-baud tape (from a still shrink-wrapped box) is bad. How bad? All the...
    7 replies | 452 view(s)
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About pjhacnau

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About pjhacnau
Location:
Morisset, NSW Australia
Occupation:
Software Engineer

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