Brian K. White do you still need help on this subject? "image of a TPDD1 utility disk" if so, contact me offline ven...@hotmail.com ________________________________ From: M100 <m100-boun...@lists.bitchin100.com> on behalf of Brian K. White <bw.al...@gmail.com> Sent: Wednesday, April 17, 2019 6:08 AM To: m...@bitchin100.com Subject: [M100] tpdd1 util disk
Has anyone ever taken an image of a tpdd1 util disk? (using the drive itself I mean, not using something like kryoflux) I have found floppy.co for tpdd1, and the full disk image for tpdd2, but not a disk image for tpdd1. I want to try taking a stab at coming up with some recipe to generate a disk from scratch. I have a tpdd1 but no original disk. I figure, if the image existed, I should be able write that image back to a disk using stuff that's actually already available now, and merely it just requires documenting the steps. It might be a bunch of steps, and tedious, but possible is infinitely better than not-possible, and tedious doesn't matter until after it's even possible at all. The M100SIG includes utils that claim to be able to do sector access and low level hacking/editing on tpdd1, as long as powr-dos is installed, and also includes powr-dos, and so it may just be a matter of working out the steps to go from scratch, like to get powr-dos installed using any number of ways, break up the image into smaller chunks that fit in ram, etc. Or maybe you can do it by just formatting and writing a couple files and doctoring the directory table a certain way etc, without actually copying 100k. Writing a pc util that just talks to the tpdd directly is another approach, but that is inventing something new, which may or may not work or be trivial. What I'm aiming for is, I think all the pieces already exist and just need to be strung together. Maybe this would make it easy to make a new simpler pc util by just recording whatever powr-dos does. -- bkw
