From 77f332623bae031c373f7014f8b3474a3f9c2b95 Mon Sep 17 00:00:00 2001 From: "B. Watson" Date: Tue, 4 Mar 2025 14:06:31 -0500 Subject: AMSB.txt: tweak. --- AMSB.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'AMSB.txt') diff --git a/AMSB.txt b/AMSB.txt index 7869acf..0d458a7 100644 --- a/AMSB.txt +++ b/AMSB.txt @@ -259,7 +259,8 @@ editing the program (you get LK ERROR if you try). The "encryption" is no better than ROT13. To encrypt, subtract each byte from 0x54 (in an 8-bit register, using twos complement). To -decrypt, do the same. +decrypt, do the same. This is a reciprocal cipher, and you can think +of it as the binary equivalent of ROT13. You can tell a LOCKed program because its first byte will be 1 instead of 0. The next 2 bytes (the program length) unencrypted. The rest of -- cgit v1.2.3