diff options
Diffstat (limited to 'engines/sci/engine/script_patches.cpp')
| -rw-r--r-- | engines/sci/engine/script_patches.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp index 96515c9b06..87b67c734b 100644 --- a/engines/sci/engine/script_patches.cpp +++ b/engines/sci/engine/script_patches.cpp @@ -11092,6 +11092,30 @@ static const uint16 sq4CdPatchGettingShotWhileGettingRope[] = { PATCH_END }; +// During the SQ4 introduction logo, EGA versions increase the number of calls +// to kPaletteAnimate by 40x. This was probably to achieve the same delay as +// VGA even though no palette animation occurred. This adjustment interferes +// with our kPaletteAnimate speed throttling for SQ4 scripts such as this, bug +// #6057. We remove the EGA delay, making all versions consistent, otherwise +// the logo is displayed for over 3 minutes instead of 5 seconds. +// +// Applies to: English PC EGA Floppy, Japanese PC-98 +// Responsible method: rmScript:changeState +// Fixes bug #6193 +static const uint16 sq4SignatureEgaIntroDelay[] = { + SIG_MAGICDWORD, + 0x89, 0x69, // lsg 69 [ system colors ] + 0x35, 0x10, // ldi 10 + 0x1e, // gt? [ system colors > 16 ] + 0x30, // bnt [ use EGA delay ] + SIG_END +}; + +static const uint16 sq4PatchEgaIntroDelay[] = { + 0x33, 0x06, // jmp 06 [ don't use EGA delay ] + PATCH_END +}; + // Talking in room 520 results in a missing message due to passing the wrong // modNum to the narrator. // @@ -11351,6 +11375,7 @@ static const uint16 sq4CdPatchTextOptions[] = { // script, description, signature patch static const SciScriptPatcherEntry sq4Signatures[] = { + { true, 1, "Floppy: EGA intro delay fix", 2, sq4SignatureEgaIntroDelay, sq4PatchEgaIntroDelay }, { true, 298, "Floppy: endless flight", 1, sq4FloppySignatureEndlessFlight, sq4FloppyPatchEndlessFlight }, { true, 700, "Floppy: throw stuff at sequel police bug", 1, sq4FloppySignatureThrowStuffAtSequelPoliceBug, sq4FloppyPatchThrowStuffAtSequelPoliceBug }, { true, 35, "CD: sidewalk smell message fix", 1, sq4CdSignatureSidewalkSmellMessage, sq4CdPatchSidewalkSmellMessage }, |