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My next step is to get to the base raw SD initialization and read/write. The idea is more compact code that has no fat artifacts or code needed to handle it as fat. to me other than a few keep out

That may be it, I really don't enjoy parsing the FAT structure.? Accessing the device on the LBA makes more sense to me as its really just a large number of addressable blocks.? I've done that with

Hi Allison, You can just cut the FAT out.? Under the FAT is nothing more than reading/writing LBA. Cheers, Josh

Planning a new Eprom for the Z80MC.. The basic plan is a tag and bag file system.? Anyone that has used NSdos that was such a file system.? The plan s to rewrite NSDOS to use anything but floppy

Great!

Looks good!? thanks

that was it josh. try it now and it should work. ________________________________ Sent: December 8, 2023 10:43 AM To: [email protected] <[email protected]> Subject: Re: [Z80MC] Where's the CPM

When I go to files section,? I should see "NEW/UPLOAD" button (like I do in COSMAC GROUP).? But I don't see it. Is might be a permissions thing?

Nope.? I don't see any upload button.? Drag and drop doesn't work.

I'm in Groups IO.? I see my name in top right corner. let's try files section again.

I uploaded a random file to check and it went OK so files are definitely enabled. Check that you’re signed in maybe?

We should ask Bill Rowe.

Tried to do that myself didn't work.? Files not enabled for this forum? Allison

Ok, right, this isn't the COSMAC group.?? Thanks.

Hi Josh, Best place is the files section of the group. While use PCs and program them even the older systems are my thing. I still have the old don't you wish you have now what DEC had then. For

Hi Allison, Welcome back!?? There has been an issue with my implementation of CP/M on both the S100 JAIR board and the Z80MC.I failed to understand one of the drive buffer spaces needed, the space

Hello all... She's back! It been a while and life intervened...? One of the things was getting a Z80MC to play with. I have over a dozen CP/M systems and a few of my own creation both hardware

Bill, not in this version. ? But it could be grown, or another box added to hold it. ?My main purpose was to create a top with buttons, etc. ?The design is in Fusion 360. Aug

I like the cover design too. For my MC, I built a separate LiPO battery/Bluetooth module into another Altoids can and the Z80MC sits in the lid and connects to the battery with a cable. Rich

That looks great - very functional.? Is there room for a battery?