MFM Discuss

FWIW, with this fix I now get ZERO glitch error messages on my Tektronix 4404. On Thursday 21 March

Cosmetic / code clarity. Removed ifdef REVC nested inside a ifdef REVC

I have a fix for the interrupt errors, it's been posted to GitHub as a PR: https://github.com/

Hi, I am just starting out on a massive learning curve; trying to bring an MVME320 Disk Controller to

mfm_emu doesn't know anything about track layout. For most systems the low level format will

Needed some changes. Updated file attached. This does not set the flag bytes on cylinder 0 like the

I have put new images up. Misidentifying B as A is fixed and the occasional permission denied message

ESDI isn't possible to support with the current hardware. I looked at it when I started this

Guys, I downloaded the emu file of the Tektronix 4400 UniFLEX image and used the MFM Emulator board

Think its done. Bringing out the serial port or larger keepout around the mounting hold would require

Yes, 5.25 floppy on the left, 1304 HD on the right. Happy to take photos - let me know what you'd

Code released. Thanks. Added 8 bit XOR for header check. Let me know if you find any issues. On Fri,

Ok got it. In the latest version of the software Dmitry added configurable endianness, and that broke

Cool, I was able to find the correct syntax after a lot of trial and error It's done like so: [

Thanks to Joan Touzet pull request I now have current OS image available. Discussion of the

Finally some actual details on what recovery does. Looks like 2/10's of a track is most it pulls

More likely you are measuring across a semiconductor, a diode or a transistor junction. Switch the

David, Since I know where the fdn is supposed to start, and I found the root directory which is

Adam, Here is the console output from when I converted your .emu file to a .dsk extract file. It so

Adam, I have posted an updated version of FloppyMaintenance to the web site and the SFTP site that

For some weeks it will stay there: http://www.myoldc.info/upload/dimension-68000_tulin_mfmemu-

A quick update to let folks know that David has looked this over and thinks it looks fine, but is too

Curious if you managed to read the drive. Recovered a Seagate drive today that used 5 phase stepper

.ex files is a raw image of the disk for Unix folks equivalent to dd if=/dev/disk of=file.ex. This is

Pin 1 should be 3.3V. I would check with a voltmeter to be sure it is working on your board. On

I confirm the work of the NEC D5124 disk with the new version! воскресенье, 4 июня 2023 г. в 18:23:15

Ok, will give this a try this weekend. d...@pdp8online.com schrieb am Donnerstag, 11. Mai 2023 um 18:

On Sun, Apr 30, 2023 at 06:17:58PM +0100, 'Adam Billyard' via MFM Discuss wrote: > >

This is wonderful...thank you so much or sharing, and keep up the great work!!! Best always, AJ

On Tuesday, April 11, 2023 at 7:14:54 AM UTC-4 Adam wrote: Is there a part of the MFM protocol that