On Tue, 11 Apr 2017 02:52:06 +0000, Mateusz Viste wrote: > On Mon, 10 Apr 2017 17:07:30 -0500, Rugxulo wrote: >> Converting hex nibble to ASCII shouldn't need a jump at all. On the >> 8086 all jumps are very slow. Best to avoid them entirely if possible. >> Here you can easily use the old "cmp al, 0Ah // sbb al, 69h // das" >> trick instead. But since you're only printing hex one time (instead of >> thousands), you probably don't care. > > Indeed, I care little about jumps there, but still your version might be > shorter, which would make it interesting. Will compare.
Checked: your nibble-to-hex version is indeed smaller. Hence it's better than mine both in terms of space (by 3 bytes) and speed (no jump). Nice! Mateusz ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
