diff options
Diffstat (limited to 'engines/sci/engine/script_patches.cpp')
| -rw-r--r-- | engines/sci/engine/script_patches.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp index 45e0155950..5c0e84fa01 100644 --- a/engines/sci/engine/script_patches.cpp +++ b/engines/sci/engine/script_patches.cpp @@ -2501,6 +2501,29 @@ static const uint16 sq1vgaPatchUlenceFlatsTimepodGfxGlitch[] = { PATCH_END }; +// In Ulence Flats, there is a space ship, that you will use at some point. +// Near that space ship are 2 force field generators. +// When you look at the top of those generators, the game will crash. +// This happens also in Sierra SCI. It's caused by a jump, that goes out of bounds. +// We currently do not know if this was caused by a compiler glitch or if it was a developer error. +// Anyway we patch this glitchy code, so that the game won't crash anymore. +// +// Applies to at least: English Floppy +// Responsible method: radar1::doVerb +// Fixes bug: #6816 +static const uint16 sq1vgaSignatureUlenceFlatsGeneratorGlitch[] = { + SIG_MAGICDWORD, 0x1a, // eq? + 0x30, SIG_UINT16(0xcdf4), // bnt absolute 0xf000 + SIG_END +}; + +static const uint16 sq1vgaPatchUlenceFlatsGeneratorGlitch[] = { + PATCH_ADDTOOFFSET(+1), + 0x32, PATCH_UINT16(0x0000), // jmp 0x0000 (waste bytes) + PATCH_END +}; + +// No documentation for this patch (TODO) static const uint16 sq1vgaSignatureEgoShowsCard[] = { SIG_MAGICDWORD, 0x38, SIG_SELECTOR16(timesShownID), // push "timesShownID" @@ -2625,6 +2648,7 @@ static const uint16 sq1vgaPatchSpiderDroidTiming[] = { // script, description, signature patch static const SciScriptPatcherEntry sq1vgaSignatures[] = { { true, 45, "Ulence Flats: timepod graphic glitch", 1, sq1vgaSignatureUlenceFlatsTimepodGfxGlitch, sq1vgaPatchUlenceFlatsTimepodGfxGlitch }, + { true, 45, "Ulence Flats: force field generator glitch", 1, sq1vgaSignatureUlenceFlatsGeneratorGlitch, sq1vgaPatchUlenceFlatsGeneratorGlitch }, { true, 58, "Sarien armory droid zapping ego first time", 1, sq1vgaSignatureEgoShowsCard, sq1vgaPatchEgoShowsCard }, { true, 704, "spider droid timing issue", 1, sq1vgaSignatureSpiderDroidTiming, sq1vgaPatchSpiderDroidTiming }, SCI_SIGNATUREENTRY_TERMINATOR |