On Wed Oct 17 19:19:20 2018 [email protected] (Jerry Weiss via cctalk) wrote: > > On 10/17/18 1:53 PM, Don Stalkowski via cctalk wrote: > > I'm trying to use a simulated RX02 disk (under simh) with RT-11 > > and can't seem to get the DY driver to install. > > > > Here's the relevant log: > > > > sim> set ry enabled > > sim> att ry0 ry0.dsk > > RY: creating new file > > RY: buffering file in memory > > sim> c > > > > > > .install dy > > ?KMON-F-Invalid device installation DL0:DY.SYS > > > > .dir dy.sys > > > > DY .SYS 4P 20-Dec-85 > > 1 Files, 4 Blocks > > 14841 Free blocks > > > > I've tried with 2 different software "kits", the one from the simh site > > and the one from bitsavers. > > > > Any ideas? > > > > Thanks, Don > > > > Try > set cpu 256K > set rx disable > set ry enable > > show ry > RY=C2=A0=C2=A0=C2=A0 address=3D17777170-17777173, vector=3D264, BR5, 2 un= > its > =C2=A0 RY0=C2=A0=C2=A0=C2=A0 512KB, not attached, write enabled > =C2=A0=C2=A0=C2=A0 double density > =C2=A0 RY1=C2=A0=C2=A0=C2=A0 512KB, not attached, write enabled > =C2=A0=C2=A0=C2=A0 double density > > Note: Apparently the RY emulation won't load if more than 256K memory is=20 > specified as the DEC hardware did not support DMA in a 22bit box.=C2=A0=C2= > =A0 I'm=20 > entirely not sure why SIMH has to enforce this as its possible to work=20 > around (e.g. TSX+ supports buffering the IO). Anyone know how to=20 > override and load in SIMH? > > > Jerry > Thanks Jerry. That's "fixed" it. Since simh didn't complain about my "set ry enabled" I assumed (wrongly) that that wasn't the issue.
Thanks to all the other's who replied. Don
