Re: Morse Code for DOS

On Sat, 3 Aug 2024 02:34:32 +0700
JJ <jj4public@outlook.com> wrote:

On Fri, 2 Aug 2024 09:40:59 +0100, Kerr-Mudd, John wrote:

203 bytes
 
->          d 100 lCB
16AD:0100 B4 3F B5 7F-BA CB 01 CD-21 91 E3 5B-89 D6 BF E5  .?.....!..[.....
16AD:0110 80 57 80 3E-83 00 64 75-4F BB 01 80-AC 3C 2D 74  .W.>..duO....<-t
16AD:0120 0D 77 0A 3C-20 72 0C 38-04 75 05 EB-06 F9 D1 D3  .w.< r.8.u......
16AD:0130 E2 EA 41 08-FF 75 18 50-51 57 B9 2F-00 BF 9C 01  ..A..u.PQW./....
16AD:0140 88 D8 F2 AE-97 2D 71 01-5F 59 AA 58-BA 06 00 3C  .....-q._Y.X...<
16AD:0150 20 75 05 4A-75 03 B2 06-AA E2 BE 5A-89 F9 29 D1   u.Ju......Z..).
16AD:0160 BB 01 00 B4-40 CD 21 C3-BB 9C 01 51-AC B9 04 00  ....@.!....Q....
16AD:0170 3C 61 72 02-24 DF 2C 2C-72 19 D7 99-92 B1 07 D0  <ar.$.,,r.......
16AD:0180 E2 72 02 E2-FA B0 2D D0-E2 14 00 AA-B0 20 AA E2  .r....-...... ..
16AD:0190 F4 B1 02 B0-20 F2 AA 59-E2 D1 EB BF-4C 00 6A 2D  .... ..Y....L.j-
16AD:01A0 20 30 38 3C-3E 3F 2F 27-23 21 00 00-00 00 00 73   08<>?/'#!.....s
16AD:01B0 00 06 17 15-0B 03 1D 09-1F 07 18 0A-1B 04 05 08  ................
16AD:01C0 19 12 0D-0F 02 0E 1E-0C 16 14 13                 ...........
->          q

 
Did you notice the last line of the hex dump has misplaced dash characters?
Which DOS was that from?

No, I hadn't; the hexdump was created by grdb 9.6; I'll try again:

Hmm, seem to be the 'l' parm

->d 100 l1
1634:0100 B4                                               .
->d 100 l2
1634:0100 B4 3F                                            .?
->d 100 l3
1634:0100 B4 3F B5                                         .?.
->d 100 l4
1634:0100-B4 3F B5 7F                                      .?.⌂
->d 100 l5
1634:0100 B4-3F B5 7F BA                                   .?.⌂.
->d 100 l6
1634:0100 B4 3F-B5 7F BA CB                                .?.⌂..
->d 100 l7
1634:0100 B4 3F B5-7F BA CB 01                             .?.⌂...
->d 100 l8
1634:0100-B4 3F B5 7F-BA CB 01 CD                          .?.⌂....
->d 100 l9
1634:0100 B4-3F B5 7F BA-CB 01 CD 21                       .?.⌂....!
->d 100 lA
1634:0100 B4 3F-B5 7F BA CB-01 CD 21 91                    .?.⌂....!.
->d 100 lB
1634:0100 B4 3F B5-7F BA CB 01-CD 21 91 E3                 .?.⌂....!..
->d 100 lC
1634:0100-B4 3F B5 7F-BA CB 01 CD-21 91 E3 5B              .?.⌂....!..[
->d 100 lD
1634:0100 B4-3F B5 7F BA-CB 01 CD 21-91 E3 5B 89           .?.⌂....!..[.
->d 100 lE
1634:0100 B4 3F-B5 7F BA CB-01 CD 21 91-E3 5B 89 D6        .?.⌂....!..[..
->d 100 lF
1634:0100 B4 3F B5-7F BA CB 01-CD 21 91 E3-5B 89 D6 BF     .?.⌂....!..[...
->d 100 l10
1634:0100 B4 3F B5 7F-BA CB 01 CD-21 91 E3 5B-89 D6 BF E5  .?.⌂....!..[....


Looks as if the prog is putting the '-' in backwards after dumping, 4
back from the end??!!
--
Bah, and indeed Humbug.