XPost: alt.lang.asm, comp.os.dos.programmer

On Thu, 22 Dec 2022 20:44:02 +0000
"Kerr-Mudd, John" <admin@127.0.0.1> wrote:

On Sun, 18 Dec 2022 20:35:56 +0000
Ahem A Rivet's Shot <steveo@eircom.net> wrote:

On Sun, 18 Dec 2022 19:26:37 +0000
"Kerr-Mudd, John" <admin@127.0.0.1> wrote:

On Sun, 18 Dec 2022 18:34:01 +0000
Ahem A Rivet's Shot <steveo@eircom.net> wrote:

On Sun, 18 Dec 2022 17:06:30 GMT
Charlie Gibbs <cgibbs@kltpzyxm.invalid> wrote:

On 2022-12-18, Charles Richmond <codescott@aquaporin4.com> wrote:

I would have used "rot-13", but I'm *not* sure if folks know how to use that anymore...

Fbzr bs hf qb.

Bayl fbzr ?

I wrote my own in asm;
what a lookup table? much shorter:

I use tr:

$ more bin/rot13
#!/bin/sh
tr '[A-Za-z]' '[N-ZA-Mn-za-m]'

Did I reply here? not sure
I have implemented a barebones tr for DOS that accepts ranges, so rot13 jbexf. Luckily it also seems to work with or without the square brackets.
100 bytes (no error messages, and barely any^w^w no syntax checking).

xpost to ala

Just here; (OK go on then, also xposted to clax and codp, xpost to afc
dropped)

tr.com: uses DOS int 21 for fileIO

d 100 l100

16AB:0100 BF 65 01 31-C0 99 AA FE-C0 75 FB BB-82 00 B0 20 .e.1.....u..... 16AB:0110 89 DF F2 AE-75 4E 89 FE-43 46 AA 31-FF 87 DE 92 ....uN..CF.1.... 16AB:0120 3C 27 74 19-40 80 3C 2D-75 07 3A 44-01 76 03 46 <'t.@.<-u.:D.v.F 16AB:0130 46 AC 09 FF-75 E4 BF 65-01 01 C7 EB-E0 31 DB BA F...u..e.....1.. 16AB:0140 65 02 89 D6-89 F7 B9 9A-FD B4 3F CD-21 91 E3 14 e.........?.!... 16AB:0150 BB 65 01 51-AC D7 AA E2-FB 59 BB 01-00 B4 40 CD .e.Q.....Y....@. 16AB:0160 21 4B EB DE-C3 !K...

Only example I've tested:

tr 'A-Za-z' 'N-ZA-Mn-za-m' {<con}

example text to unrot:

Onebarff Znetnerg Gungpure!

--
Bah, and indeed Humbug.

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)