Is this happening, and where ?
Hi K_F,
Why not to try the options?
http://www.terraspace.co.uk/uasm249_linux64.zip
https://github.com/nidud/asmc/releases/tag/v2.30Linux
http://www.oby.ro/sol_asm/files/sol_asm_2018_07_08_v0_36_76.zip
https://flatassembler.net/fasm-1.73.25.tgz
https://github.com/Baron-von-Riedesel/JWasm/archive/master.zip
QuoteFor Linux, use GccUnix.mak to produce JWasm with gcc or CLUnix.mak to use CLang instead.
ABI, calling convention
https://uclibc.org/docs/psABI-x86_64.pdf
edb debug graphical: (look in mint repository, maybe with apt-get you can install it and necessary dependencies)
https://github.com/eteran/edb-debugger
fdbg debug, console(terminal,shell); need update opcodes
http://fdbg.x86asm.net/
Thanks Gentlemen.. ;)