Which RT-11 for an 11/03
rich.cini at verizon.net
Thu Mar 10 19:57:43 CST 2016
On 3/10/16, 8:51 PM, "cctalk on behalf of Don North" <cctalk-bounces at classiccmp.org on behalf of north at alum.mit.edu> wrote:
>These last two read commands look awful suspicious to me. A single logical
>device block is 512B (or 0x200) so the count
>parameter is 0x200 for one block, 0x400 for two consecutive blocks, etc. 0xA00
>is five consecutive blocks.
>However, 0x0132 (306. bytes) is a partial block read, and 0x3CC8 (15560.) is a
>read of 30.+ blocks. So I would speculate
>that the code went south prior to these two read commands. Just a guess of
>course as I have never done this particular
>task. But I would guess that the image you are using has been corrupted in the
Good point, Don. Maybe I’ll re-create the image again and see if that helps. I’m using the RT11v4 image from the SIMH distribution and it boots just fine (as an RK05 image) under SIMH.
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