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On 2011-07-24 06:25, Dan Gahlinger wrote:
<blockquote cite="mid:BLU166-w4566E511BE6F1FF1C79C04C9300@phx.gbl"
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I got a DSK file from other user which works fine on their
system,<br>
but when I try it on my linux system I just get errors, no
matter how I try to boot it.<br>
<br>
I don't know if this is a bug in SIMH on my linux (suse 11.3
64bit on amd phenom-ii quad-core)<br>
or something I'm doing wrong, but the most recent error is the
2nd one,<br>
which seems to indicate a fatal bug in simh, this is in the
latest code version I could download of simh...<br>
<br>
sim> boot rq0<br>
Loading boot code from vmb.exe<br>
%BOOT-F-Unable to locate BOOT fil<br>
HALT instruction, PC: 000004C7 (BLBS 549,4C6)<br>
sim> <br>
<br>
tried it this way and got -<br>
<br>
sim> boot rq0<br>
Loading boot code from vmb.exe<br>
<br>
<br>
VAX/VMS Version V4.2 24-JUN-1985 08:00<br>
<br>
<br>
<br>
**** FATAL BUG CHECK, VERSION = BJT INVEXCEPTN, Exception while
above ASTDEL or on interrupt stack<br>
<br>
CURRENT PROCESS = SWAPPER<br>
<br>
REGISTER DUMP<br>
<br>
R0 = 00000008<br>
R1 = 04080000<br>
R2 = 00000000<br>
R3 = 00000000<br>
R4 = 80002748<br>
R5 = 00000000<br>
R6 = 00000000<br>
R7 = 00000000<br>
R8 = 00000000<br>
R9 = 00000000<br>
R10= 00000000<br>
R11= 00000000<br>
AP = 00000000<br>
FP = 00000000<br>
SP = 806DF3D0<br>
PC = 80004862<br>
PSL= 04080009<br>
<br>
KERNEL/INTERRUPT STACK<br>
<br>
806DF3D8 00000004<br>
806DF3DC 00000000<br>
806DF3E0 FFFFFFFD<br>
806DF3E4 00000000<br>
806DF3E8 00000000<br>
806DF3EC 00000001<br>
806DF3F0 00000003<br>
806DF3F4 00000454<br>
806DF3F8 8000A71B<br>
806DF3FC 04080000<br>
<br>
Reboot requested, PC: 8063A59E (HALT)<br>
sim> quit<br>
<br>
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</blockquote>
<br>
Just some thoughts that fly by in reading you post:<br>
From the mailed .INI-file, the commands set up rq0 as a CD with an
attached .ISO-file.<br>
Then you try to boot from this "CD".<br>
<br>
Q1: Should the 780-emulator be able to recognize a CD as a device? -
In those days the TU58 was "the media" for console works...<br>
Q2: If this booting is proper after all, and the file you have
attached to the rq0 is the boot-disc you intend to use, should it
really be attached to a "read-only" device like a CD, not to a disc?
- I know later systems can boot from a CD, but doesn't that require
booting a system image that is tailored to this task - i.e. that
doesn't require any dump-files or similar?<br>
<br>
(You say that the emulator reads your .DSK properly, but to my eyes
does it only read the file vms6_0.iso, ie the CD-immage).<br>
<br>
All my best anyhow - every effort to maintain this generation of
systems indicates a great spirit!<br>
/Göran<br>
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