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)

notes/mod-cheats.md

@@ -57,7 +57,7 @@ diagnostics) → `jmp 0x41C050`. The cave writes only game globals, so it needs
 
 | Feature | State | In the mod |
 |---|---|---|
-| `-display_diagnostics` (DAT_005834D0) | works: writes `<COMPUTER>.dispdiag` (DDraw/D3D enumeration) into the game folder | option `diagnostics` (tested: ELIASPC.dispdiag, 60 KB) |
+| `-display_diagnostics` (DAT_005834D0) | works: writes `<COMPUTER>.dispdiag` (DDraw/D3D enumeration) into the game folder; FUN_0040f4f0 opens **every display mode of every DirectDraw device × D3D device** (FUN_00410550/FUN_00410700 = mode switch, FUN_00411000), logs caps and texture formats, closes it again, then returns and the game starts normally. On Windows with two monitors both screens flashed black for 30+ s (tester, 2026-11); invisible under Wine | option `diagnostics`, label "Troubleshooting: write display diagnostics", off by default, warning in its description (tested: ELIASPC.dispdiag, 60 KB) |
 | `c:\kingdom_dbg.txt` | dead: FUN_0040d2c0 (called from FUN_0043c220) only creates the file with "Logfile %s started now/today (write this code!)"; the 43 debug prints (FUN_00414600) go to OutputDebugStringA (0x6DC3E8), never to the file | no |
 | FrameAdvanceDelay (FUN_0043cb40) | slide show `In\001.bmp…` + `In\In.wav` at start, `Out\…` at exit, delay from registry `FrameAdvanceDelay` (default 1.0 s); folders are empty | no (data, not a cheat) |
 | F4 in game | requests state 0x0C (world map) – the normal "back to map" | no |