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Type: Posts; User: lcww1

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    @Dwight - many thanks for this advice - that's...

    @Dwight - many thanks for this advice - that's just the kind of information I needed; now I've got something coherent to go on in attempting to salvage the programs from some of the old Petsoft tapes...
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    I've been able to gather a few Petsoft cassette...

    I've been able to gather a few Petsoft cassette tapes, over time. For the most part, I've acquired these tapes alongside items of broken PET hardware that I've repaired (or am in the process of...
  3. Thread: Petsoft Graphics

    by lcww1
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    Petsoft Graphics

    The Petsoft Graphics cassette consists of four BASIC graphics utilities for Commodore PET.

    61463

    Whilst this software package was marketed and sold in the UK by Petsoft, it was actually...
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    Well, yes. Though the PET version is less...

    Well, yes. Though the PET version is less verbose, I’ll concede that it’s not as easy to wear.
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    Petsoft Four Stroke engine simulation

    During the course of the bit of digital archeology described in this thread: http://www.vcfed.org/forum/showthread.php?74514-Petsoft-6502-FORTH, a fragment of residual BASIC code was uncovered within...
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    @Dwight and @AndyG - I'm delighted with the...

    @Dwight and @AndyG - I'm delighted with the progress that you've made with the Petsoft 6502 PET Forth - your efforts make me very glad that I was able to unearth this tape and post the program to the...
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    That's an interesting observation regarding the...

    That's an interesting observation regarding the bit of leftover BASIC code.

    Petsoft cassette tapes do have a somewhat hand produced feel to them. The cassettes themselves have the name of the...
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    Of course, there's still the unsolved mystery of...

    Of course, there's still the unsolved mystery of the 4 stroke internal combustion engine cycle demonstration at the start of the code...
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    @AndyG and @daver2 - well, this is remarkable,...

    @AndyG and @daver2 - well, this is remarkable, and rather wonderful!
    Thank you both very much for figuring this thing out!

    So, the Petsoft 6502 FORTH requires a 16K BASIC 1 PET. Thanks to your...
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    @AndyG - Iíve listened to the entirety of both...

    @AndyG - Iíve listened to the entirety of both sides of the Petsoft cassette - the only audible recording is at the beginning of the side of the tape with the 6502 FORTH stamp - thereís nothing else....
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    Ok, that’s helpful - so we’ve established that...

    Ok, that’s helpful - so we’ve established that the .prg file is ok, and accurately reproduces the contents of the .tap tape image. I thought that was the case, but I wasn’t sure.

    Re BASIC 1 - I’ll...
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    This thread has become confusing - in part...

    This thread has become confusing - in part because, as new member whose every post has to be moderated, my replies are taking a long time to appear in the thread; moreover, my posts are not appearing...
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    APPLEFORTH v1.2 from Programma

    Well, here's the Apple ][ version of the Programma 6502 FORTH:
    https://mirrors.apple2.org.za/ftp.apple.asimov.net/images/programming/forth/

    The Programma_Consultants_AppleFORTH_1.2.dsk disk image...
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    The .tap file should be treated as the primary...

    The .tap file should be treated as the primary source - whilst it's entirely possible that what's on the original Petsoft cassette that I have in my possession is corrupt, or non-pristine, the .prg...
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    6502 FORTH Ver 1.2 Preliminary Reference Manual Feb 1979

    Aha!

    As I suspected, some documentation for the Programma International 6502 FORTH system was lurking in one of the extensive Apple II archives:
    ...
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    @AndyG - many thanks for taking a look at this -...

    @AndyG - many thanks for taking a look at this - I can confirm that the .tap tape image, and the derived .prg file are from an original Petsoft cassette tape - the tape has only a single recording on...
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    6502 FORTH - .prg file

    @Dwight Elvey and @dave_m - thank you both very much for your helpful suggestions.

    Given that we know from the Practical Computing article from August 1979 that Petsoft can only have acquired the...
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    Thanks dave_m! Iíve tried loading Petsoft 6502...

    Thanks dave_m! Iíve tried loading Petsoft 6502 FORTH on xpet with Basic 1 and Basic 2, and with Basic 2 ROMs on my PET 2001. The program loads without error in all cases. Thereís no visible basic...
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    Petsoft 6502 FORTH

    Hello!

    I recently obtained a copy of Petsoft 6502 FORTH on cassette. The program loads successfully into my PET 2001, but it's not clear how to use the program. Unfortunately, the cassette arrived...
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