english groove.exe (2000-10-17) supported next to the german one: named exe sites found by signatures per build (german patches byte-identical), base patch and every exe mod on both, unknown builds get a clear message; display diagnostics moved to troubleshooting with a warning (it flashes every monitor black)

docs/manual/18-mods.md

@@ -241,7 +241,7 @@ Switches on the game's secret cheat codes for you, so you don't have to type the
 | Complete chapter rewards | on / off | off | Finishing a chapter also gives you its collectible and gold coin (code → → ↓ ↓ ↓ ↑ ↓ ↓). |
 | Start with 500 fruit | on / off | off | The purple fruit counter starts at 500 in every chapter (code ↑ ↓ → ← ← ← ← ↓). |
 | Full charge meter | on / off | off | The charge bar starts full in every chapter (code ↑ ← ↓ → ↓ ↓ ↑ ↑). |
-| Write display diagnostics | on / off | off | For graphics problems: the game writes a report of your graphics devices (<computer name>.dispdiag) into the game folder. Same as its hidden -display_diagnostics switch. |
+| Troubleshooting: write display diagnostics | on / off | off | Only for troubleshooting when asked to. At start the game switches through every screen mode of every monitor – all screens go black for a while (30 s or more) – and writes a report (<computer name>.dispdiag) into the game folder, then starts normally. Same as its hidden -display_diagnostics switch. |
 
 #### Debug wireframe
 

docs/manual/20-troubleshooting.md

@@ -11,6 +11,7 @@
 | "Not enough free disk space" | The game copy needs about 900 MB. Free up space or choose another **Data folder**. |
 | The game hangs or its window is gone | Click **■ Quit game** in LlamaMod (the Play button while the game runs). |
 | "The game crashed" | Switch off the mods you turned on last, or click **Restore original**, and play again. If the original game crashes too, report it with `game.log` (**Settings → Logs**). |
+| All monitors flash black for half a minute or more when the game starts | The **Built-in cheats** option *Troubleshooting: write display diagnostics* is on. It makes the game try every screen mode of every monitor before it starts. Switch it off; use it only when you are asked for a display report. |
 | "groove.exe was removed or changed" | Click **Rebuild**; LlamaMod writes it again and then starts the game. On Windows, see [Antivirus warnings](#antivirus-warnings). |
 
 ## The editor

docs/reference/game-files.md

@@ -21,7 +21,17 @@ with `CDPath`, `HDPath`, screen size, volumes and devices. LlamaMod's base patch
 redirects it to `HKEY_CURRENT_USER`, so no admin rights are needed.
 
 Development used the **German CD**. Other language versions are expected to use the same formats
-but were not tested.
+but were not tested with their own data.
+
+### groove.exe versions
+
+| Build | PE date | Size | Notes |
+|---|---|---|---|
+| German | 2001-02-12 | 1,642,496 bytes | reference for all addresses in these pages |
+| English (first release, menu "Start Game") | 2000-10-17 | 1,634,304 bytes | same code, shifted (e.g. main menu frame handler 0x549990 instead of 0x549C50); .data globals laid out differently (game state 0x583D74 instead of 0x5846E4, player strat 0x6D94A4 instead of 0x6D9E1C); .data 0xD000 bytes in the file instead of 0xE000 |
+
+LlamaMod supports both (`exe/Site` lists every address it uses in both builds). Addresses in the
+reference pages are those of the German build.
 
 ## Level naming scheme