Enigma at 23:07, 28 August 2026

2026-08-28T23:07:06Z

Enigma at 23:06, 28 August 2026

2026-08-28T23:06:23Z

2022-12-21T00:05:48Z

Created page with "Descriptions needs to be done. ==== Pages that refer to this protection ==== {{Special:Whatlinkshere/GMA92}}"

New page

Descriptions needs to be done.

==== Pages that refer to this protection ====

{{Special:Whatlinkshere/GMA92}}

@@ Line 26: / Line 26: @@
 == Mechanism ==
-# The drive seeks to '''track 38''' (<code>$26</code>), searches for the
+# The drive seeks to '''track 38''' (<code>$26</code>), searches for the family's standard byte-aligned marker (<code>69 xx xx xx A9</code>), and measures ten raw sync-to-sync pulse-width samples there, folding them into a single byte via the same <code>CMP</code>/<code>ROL</code> technique used throughout the whole GMA family.
-  family's standard byte-aligned marker (<code>69 xx xx xx A9</code>), and
+# The result is sent to the C64 over a raster-line-synced <code>$DD00</code> handshake and used as a single repeating-byte XOR key over almost the entire game, decrypted in place in one pass.
-  measures ten raw sync-to-sync pulse-width samples there, folding them
+# On any genuine failure, the drive hangs permanently in an infinite self-loop — the same "hang, never produce wrong output" convention used throughout the whole GMA family.
 == The critical disk pattern ==