3 ms·
I recognize the "hello world" and "int 21h" but, can I ask why that instruction listing seems to start with "xchg (e)ax, (e)bp"?
by messe 3y ago
I recognize the "hello world" and "int 21h" but, can I ask why that instruction listing seems to start with "xchg (e)ax, (e)bp"?
- userbinator 3y agoSaves one byte since BP is 09xx on start for MS-DOS >= 4.0. Old demoscene sizecoding trick.