>Also, I looked at the SYSMAC.SML file and note that there is no .DrVTB
>macro present (also no .DrSet macro although the information is hard
>coded into the various device drivers, and obviously the SET commands do
>work). Does this mean, in your opinion (maybe you or someone else
>remembers that far back - 22 years ago) that an LS.MAC device driver
>can't operate in V3.0B since RT-11 is not yet smart enough to use dual
>CSR/VECTOR hardware that requires two .DrAst entries? I notice that V4.0
>of RT-11 finally has the LS.SYS device driver, but there is none present
>in V3.0B of RT-11, only the LP.SYS device driver.
The .DRxxx set of macros were not added to RT until about the V4.0
timeframe. If you were to take an LS.MAC from a later release and
modify it in such a way that it did not use .DRxxx macros, and used
what data structures were available in V3B, it certainly would work.
Megan Gentry
Former RT-11 Developer
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| Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com |
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Received on Sat Feb 12 2000 - 20:20:04 GMT