On Mon, Nov 2, 2020 at 10:19 PM vtgearhead <snhirsch_at_gmail.com> wrote: > > > So, the bigger question is: Why does a write of the D64 file back to a > diskette have a difference in only one small region? Does the 4040 drive > re-write any of the housekeeping areas on close of the direct-command > channel? The target seems to end up with its original volume name even > though I'd expected the copy operation to overwrite it. > FWIW: that's a behaviour I have found also when using cbmlink (via parallel to user port cable, aka PC64). When writing a D64 image to a 1541 (via C64), the disk header and BAM are what is contained in the D64 image, but, when writing a D64 image to a 4040 (via PET 3032), the disk header and BAM remains the ones of the original formatting of the disk. The BAM can usually be corrected by running a VALIDATE however. I don't know if it's related at all, but it just sounded a bell. Frank IZ8DWFReceived on 2020-11-02 23:01:47
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