On 6/13/17 11:22 AM, Alan Frisbie via cctalk wrote:
> 2. DTC 520-1 disk controller and its DTC-11 Q-Bus host adapter. > > Our current project is to replace the ST-506 disks with > the David Gesswein MFM disk emulators. To do this, we > need to determine the CRC algorithm used by DTC, which we > cannot find any documentation for. did you ask david to try decoding the data for you? he's been very good at doing so. DTC documentation should be on bitsavers