Additional documentation for 64-bit programming
Additional documentation for 64-bit programming

Flesh out the documentation for 64-bit programming a little bit; in
particular, include links to the ABI documentation for various
platforms.

projedi/nasm,Distrotech/nasm,projedi/nasm,letolabs/nasm,projedi/nasm,letolabs/nasm,Distrotech/nasm,Distrotech/nasm,Distrotech/nasm,techkey/nasm,turingstudio/nasm,turingstudio/nasm,techkey/nasm,projedi/nasm,turingstudio/nasm,techkey/nasm,techkey/nasm,projedi/nasm,letolabs/nasm,techkey/nasm,turingstudio/nasm