1) Select tools | customize
2)
Select the tools
tab
3) In the menu contents
window, scroll down to an open line
4) Type NASM
(or what ever you want to call the option)
5) Below in the
command text box add NASMW.EXE
6) In the arguments
line add
-f win32 -l $(FileName).lst $(FileName)$(FileExt)
Now you may select tools | NASM
with an .ASM file active in
Visual C++
and make an .OBJ file (or force C++ to rebuild the .OBJ file with
change that
you have made to your .ASM file).