Mail Archives: cygwin/1998/01/10/13:35:10
Hello All,
I am sorry to trouble you all, but I was unable to find anything about
this problem in the FAQ or in the mailing list archives. Please reply
to me, as I am not on this mailing list.
I'm running the precompiled b18 CDK under WindowsNT 4.0. I am trying to
write a bootsector loader (hence the asm question) -- in particular I
need to call BIOS routines via different software interrupts.
(1) It seemed that the precompiled gas support was limited to "int3" and
"into." Thus, ...
(2) I tried to extend the instruction set using the --itbl switch. gas
fails as follows (not only my itbl file, but the one delivered as part
of the source distribution).
agrippa:/d/GNU/cdk/gas/testsuite/gas/all> as --itbl itbl
Failed to read instruction table itbl
agrippa:/d/GNU/cdk/gas/testsuite/gas/all>
(3) I cannot elicit any other message, even using non-existent
filenames, DOS abs paths, bash unix-fied abs paths, etc. Seems that it
can't find any damned file at all.
(4) All other CDK tools seem to work fine. Any suggestions?
(5) Finally, should I be using gas, or some other tool (for the boot
sector loader I'm currently working on, and the real-mode to
protected-mode and kernel startup/driver routines I'll have to write
later)? NASM? Visual C++ Developer's Studio (ugh -- "Dumb Studio" to
the blooded and bloodied) no longer seems to ship an assembler, or I
wouldn't be screwing about like I am.
Thanks,
--
==== John Morrison ==== jm AT mak DOT com == http://www.mak.com/welcome.html
==== MaK Technologies Inc., 185 Alewife Brook Parkway, Cambridge, MA
02138
==== vox:617-876-8085 x115
==== fax:617-876-9208
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