2016-03-06 17:56 GMT+01:00 Brian Walenz <the...@gmail.com>: > How the heck do you copy an RX02 disk for use in simh? > > I've been trying to transfer RX02 images between simh and a real PDP11 > (that has only two RX02's, console, and ethernet). So far, I've only > attempted sending an RX02 image from the PDP to simh, but simh fails to > read it: "?DIR-F-Invalid directory". Even after adding 13*512 bytes to the > start for the missing track, I still get invalid directory. >
I used a regular PC running DOS and then a catweasel card to produce the DMK file. Then I extracted the raw disk image from the DMK file. The files produced are 512512 bytes. > > My process is to COPY/DEVICE/FILES DY1:/START:0/END:330 DY0:BLOCK1.DAT, > then FTP that off the PDP, delete the file, and do the remaining two thirds > of the disk. Once all are transferred, "cat *DAT > floppy.dsk". > > I can transfer RX50 images using the same recipe, though I haven't tried > sending an RX50 image created on simh back to the PDP. > > For what it's worth, I'm having the same problem with Alan Baldwin's TCP/IP > disk images from http://shop-pdp.net/rthtml/tcpip.htm. simh can't read > the > individual DSK images, but could read the *.PKG with the disks inside, and > from that, I could (RT-11) MOUNT each disk to a logical device. > Did you have problems with my RAW files as well? Which? I tested a few of them right now and they seemed to work fine. > b > > > On Thu, Jan 28, 2016 at 11:50 AM, Mattis Lind <mattisl...@gmail.com> > wrote: > > > I found some 8 inch floppies with distribution kits for MU-BASIC V2 and > > RT-11 V03B. I imaged those and put them here > > > http://www.datormuseum.se/documentation-software/rx01-and-rx02-floppy-disks > > if anyone is interested in playing with MU-BASIC. There are both RAW disk > > images and to be used in SimH and like and also DMK/IMD files. > > > > The system that floppies came with is this little ( > > > http://www.datormuseum.se/computers/digital-equipment-corporation/pdp1103-l > > ) > > system once used at Scania in Södertälje. > > >
