Hollywood Collection - Revision history

Enigma at 22:09, 28 August 2026

2026-08-28T22:09:38Z

Enigma at 22:07, 28 August 2026

2026-08-28T22:07:32Z

Enigma at 22:06, 28 August 2026

2026-08-28T22:06:31Z

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Enigma at 21:55, 28 August 2026

2026-08-28T21:55:50Z

Enigma at 21:03, 28 August 2026

2026-08-28T21:03:46Z

Enigma at 21:01, 13 August 2021

2021-08-13T21:01:13Z

Enigma at 21:00, 13 August 2021

2021-08-13T21:00:50Z

Enigma at 18:50, 25 May 2021

2021-05-25T18:50:50Z

Enigma at 18:42, 25 May 2021

2021-05-25T18:42:12Z

Enigma at 18:37, 25 May 2021

2021-05-25T18:37:57Z

@@ Line 474: / Line 474: @@
 == Summary ==
-* The genuine disk's directory is deliberately near-empty and obfuscated
+* The genuine disk's directory is deliberately near-empty and obfuscated (<code>as</code>, <code>gm1</code>, <code>side flag</code> only, BAM reporting <code>0 blocks free</code>) — the standard GMA-family convention. Hollywood Collection's Disk 4 directory is completely ordinary and legible, with individually-named game asset files and one conspicuous extra entry, <code>gmaread.src.mod</code>.
-  (<code>as</code>, <code>gm1</code>, <code>side flag</code> only, BAM
+* <code>gm1.prg</code> is 4 bytes shorter than the genuine version (1440 vs. 1444 bytes) and otherwise byte-for-byte identical apart from address shifts caused by two edits.
-  reporting <code>0 blocks free</code>) — the standard GMA-family
+* '''Edit 1:''' the <code>JSR $C800</code> instruction (the fixed drive-upload-and-execute trigger used throughout the whole GMA family) is deleted outright — not bypassed, not patched to skip on a flag, simply removed. The drive never seeks to track 38 at all.
-  convention. Hollywood Collection's Disk 4 directory is completely
+* '''Edit 2:''' a single opcode byte inside the decrypt loop — <code>EOR $D000,Y</code> (<code>$59</code>) changed to <code>LDA $D000,Y</code> (<code>$B9</code>) — turns the XOR-decrypt pass into a harmless no-op self-copy.
-  ordinary and legible, with individually-named game asset files and one
+* The disk's own game data was correspondingly re-saved as already-decrypted plaintext, matching the now-legible directory.
-  conspicuous extra entry, <code>gmaread.src.mod</code>.
+* <code>gmaread.src.mod</code> is an inert leftover file (bogus <code>$FFFF</code> load address, never actually loaded) containing recognizable fragments of the removed drive-upload routine — almost certainly the cracker's own extracted copy of the code they cut out.
 == Directory comparison ==
@@ Line 632: / Line 615: @@
 The crack:
-# Removes the drive-upload trigger, so the drive never seeks to track 38 at
+# Removes the drive-upload trigger, so the drive never seeks to track 38 at all (matching the D64-conversion and live-boot results that first flagged this disk as having no functioning check).
-  all (matching the D64-conversion and live-boot results that first
+# Neutralizes the decrypt loop as a defense-in-depth measure, even though by that point it's only ever fed garbage.
-  flagged this disk as having no functioning check).
+# Replaces the on-disk data with its already-decrypted plaintext, matching the disk's now-ordinary, legible directory.
 Ghostbusters II's own dedicated GMA89 sources remain the correct place to

@@ Line 456: / Line 456: @@
 [[File:HollywoodCollection_Disk3_Ocean_parser_s0.g64]]
-= Hollywood Collection Ghostbusters II =
+= Hollywood Collection Ghostbusters II vs Release Ghostbusters II =
 '''Disk 4''' of the ''Hollywood Collection'' compilation contains a copy of

@@ Line 48: / Line 48: @@
 | Verified by || enigma
 |}
 <gallery>
 File:GhostbustersII_a_enigma_dos_r1.png|Side 0
 File:GhostbustersII_b_enigma_dos_r1.png|Side 1
 </gallery>
 <gallery>
@@ Line 65: / Line 65: @@
 ==== G64 ====
 ===== Disk 4 =====
-Uses [[GMA89]] only for fast loader, no protection
+Mastered with a cracked GMA89 protection, see discussion at the end of this page
 [[File:GhostbustersII_s0.g64]]
@@ Line 106: / Line 106: @@
 | Verified by || enigma
 |}
+<gallery>
-[[File:HollywoodCollection_Disk3_jupp3_a_dos_r1.png|thumb|Side 0]]
+File:HollywoodCollection_Disk3_jupp3_a_dos_r1.png|Side 0
+</gallery>
 <gallery>
 File:HollywoodCollection_Disk3_Label.jpg|Disk Label
@@ Line 115: / Line 115: @@
 File:HollywoodCollection_Disk3_jupp3_indy.png|Indiana Jones and the Last Crusade: The Action Game
 </gallery>
 Purchased from: From the collection of J-P.J.
 ==== Streams ====
@@ Line 202: / Line 201: @@
 [[File:Streams_HollywoodCollection_disk3_rakki.zip]]
 ===== Disk 4 =====
-Uses [[GMA89]] only for fast loader, no protection
+Mastered with a cracked GMA89 protection, see discussion at the end of this page
 [[File:Streams_HollywoodCollection_disk4_rakki.zip]]
@@ Line 293: / Line 292: @@
 [[File:Streams_HollywoodCollection_Ocean_incomplete_disk3_rakki.zip]]
 ===== Disk 4 =====
-Uses [[GMA89]] only for fast loader, no protection
+Mastered with a cracked GMA89 protection, see discussion at the end of this page
 [[File:Streams_HollywoodCollection_Ocean_incomplete_disk4_rakki.zip]]
@@ Line 367: / Line 366: @@
 Disk 3 [[Indiana Jones and the Last Crusade: The Action Game]]: Protection: [[CYAN Loader A]]
-Disk 4 [[Ghostbusters II]]: Uses [[GMA89]] only for fast loader, no protection
+Disk 4 [[Ghostbusters II]]: Mastered with a cracked GMA89 protection, see discussion at the end of this page
 ==== SCP ====
 [[File:SCP_Compilation Hollywood Collection_quader.zip]]

@@ Line 65: / Line 65: @@
 ==== G64 ====
 ===== Disk 4 =====
-Protection: [[GMA89]]
+Uses [[GMA89]] only for fast loader, no protection
 [[File:GhostbustersII_s0.g64]]
@@ Line 202: / Line 202: @@
 [[File:Streams_HollywoodCollection_disk3_rakki.zip]]
 ===== Disk 4 =====
-Protection: [[GMA89]]
+Uses [[GMA89]] only for fast loader, no protection
 [[File:Streams_HollywoodCollection_disk4_rakki.zip]]
@@ Line 293: / Line 293: @@
 [[File:Streams_HollywoodCollection_Ocean_incomplete_disk3_rakki.zip]]
 ===== Disk 4 =====
-Protection: [[GMA89]]
+Uses [[GMA89]] only for fast loader, no protection
 [[File:Streams_HollywoodCollection_Ocean_incomplete_disk4_rakki.zip]]
@@ Line 367: / Line 367: @@
 Disk 3 [[Indiana Jones and the Last Crusade: The Action Game]]: Protection: [[CYAN Loader A]]
-Disk 4 [[Ghostbusters II]]: Protection: [[GMA89]]
+Disk 4 [[Ghostbusters II]]: Uses [[GMA89]] only for fast loader, no protection
 ==== SCP ====
 [[File:SCP_Compilation Hollywood Collection_quader.zip]]

@@ Line 405: / Line 405: @@
 [[File:Ghostbusters 2 - Compilation Hollywood Collection - Manual.pdf|thumb|Manual Ghostbusters 2]]
 == Source 6 == <!--T:2-->
 {| class="wikitable"

← Older revision		Revision as of 21:00, 13 August 2021
Line 404:		Line 404:

	[[File:Ghostbusters 2 - Compilation Hollywood Collection - Manual.pdf\|thumb\|Manual Ghostbusters 2]]		[[File:Ghostbusters 2 - Compilation Hollywood Collection - Manual.pdf\|thumb\|Manual Ghostbusters 2]]
		+
		+	== Source 6 == <!--T:2-->
		+	{\| class="wikitable"
		+	\|-
		+	! Property !! Data
		+	\|-
		+	\| Title \|\| Hollywood Collection
		+	\|-
		+	\| Publisher and/or Developer \|\| Ocean Software Ltd.
		+	\|-
		+	\| Year \|\| 1990
		+	\|-
		+	\| Disk(s) \|\| 4
		+	\|-
		+	\| Number of Index Holes \|\| 1
		+	\|-
		+	\| Media Type \|\| 5.25 DSDD
		+	\|-
		+	\| Retail, Budget or Compilation (with name) \|\| Compilation
		+	\|-
		+	\| Country of Release \|\| UK
		+	\|-
		+	\| Language(s) \|\| English
		+	\|-
		+	\| Platform \|\| C64
		+	\|-
		+	\| NTSC or PAL \|\| PAL
		+	\|-
		+	\| Protection \|\| see streams section
		+	\|-
		+	\| Working? \|\| Yes, but incomplete
		+	\|-
		+	\| Archived \|\| 17 Jul 2021 parser
		+	\|-
		+	\| Verified by \|\| enigma
		+	\|}
		+	<gallery>
		+	File:HollywoodCollection_Disk3_Ocean_parser_a_dos_r1.png\|Side 0
		+	</gallery>
		+	<gallery>
		+	File:Hollywood_Collection_(Ocean)_(1990)_-Compilation-_Disk_3_(alt2).jpg\|Disk
		+	File:Hollywood_Collection_(Ocean)_(1990)_-Compilation-_Disk_3_sleeve_(alt2).jpg\|Disk with Sleeve
		+	</gallery>
		+	==== Streams ====
		+	===== Disk 3 =====
		+	[[File:Streams_HollywoodCollection_Disk3_Ocean_parser.zip]]
		+	==== G64 ====
		+	===== Disk 3 =====
		+	Protection: [[CYAN Loader A]]
		+
		+	[[File:HollywoodCollection_Disk3_Ocean_parser_s0.g64]]

@@ Line 358: / Line 358: @@
 File:Indiana Jones 3 - Compilation Hollywood Collection - Disk.jpg|Disk 3
 File:Ghostbusters 2 - Compilation Hollywood Collection - Disk.jpg|Disk 4
 </gallery>
 The german release of the compilation does not include disk 2 with [[Robocop]].
@@ Line 392: / Line 391: @@
 [[File:Ghostbusters 2 - Compilation Hollywood Collection - B - SCP.g64]]
-==== Manual ====
+== Additional Information == <!--T:2-->
 [[File:Batman - The Movie - Compilation Hollywood Collection - Manual.pdf|thumb|Manual Batman - The Movie]]
 [[File:Indiana Jones 3 - Compilation Hollywood Collection - Manual.pdf|thumb|Manual Indiana Jones 3]]
 [[File:Ghostbusters 2 - Compilation Hollywood Collection - Manual.pdf|thumb|Manual Ghostbusters 2]]

@@ Line 361: / Line 361: @@
 </gallery>
 The german release of the compilation does not include disk 2 with [[Robocop]].
 ==== Protection ====
 Disk 1 [[Batman]]: Protection: None

@@ Line 242: / Line 242: @@
 | Retail, Budget or Compilation (with name) || Compilation
 |-
-| Country of Release || UK
+| Country of Release || UK (DE? see comment)
 |-
 | Language(s) || English
@@ Line 252: / Line 252: @@
 | Protection || see streams section
 |-
-| Working? || Yes, but incomplete
+| Working? || Yes, but incomplete? (see comment)
 |-
 | Archived || 4 Dec 2013 Rakki
@@ Line 277: / Line 277: @@
 Rakki: Loose. Disk 2 missing.
 ==== Streams ====
 ===== Disk 1 =====
@@ Line 313: / Line 315: @@
 [[File:HollywoodCollection_alt_Disk4_rakki_s1.g64]]