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SCI: adding sq5 scrubbing patch

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(for testing only, i'm not sure if it works because i'm unable to reproduce the bug anymore)

svn-id: r51832
This commit is contained in:
Martin Kiewitz 2010-08-07 13:40:14 +00:00
parent 9aa3f25499
commit 1c1eff9ec5
1 changed files with 43 additions and 0 deletions
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43
engines/sci/engine/script_patches.cpp
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@ -166,6 +166,47 @@ const SciScriptSignature larry6Signatures[] = {
{ 0, NULL, 0, 0, NULL, NULL }
};
const byte sq5SignatureScrubbing[] = {
19,
0x18, // not
0x31, 0x37, // bnt 37
0x78, // push1 (selector x)
0x76, // push0
0x39, 0x38, // pushi 38 (selector mover)
0x76, // push0
0x81, 0x00, // lag 00
0x4a, 0x04, // send 04 (read ego::mover)
0x4a, 0x04, // send 04 (read ego::mover::x)
0x36, // push
0x34, 0xa0, 0x00, // ldi 00a0
0x1c, // ne?
0
};
const uint16 sq5PatchScrubbing[] = {
0x18, // not
0x31, 0x37, // bnt 37
// 0x2f, 0x38, // bt 37 (would save another byte, isn't needed
0x39, 0x38, // pushi 38 (selector mover)
0x76, // push0
0x81, 0x00, // lag 00
0x4a, 0x04, // send 04 (read ego::mover)
0x31, 0x2e, // bnt 2e (jump if ego::mover is 0)
0x78, // push1 (selector x)
0x76, // push0
0x4a, 0x04, // send 04 (read ego::mover::x)
0x39, 0xa0, // pushi a0 (saving 2 bytes)
0x1c, // ne?
PATCH_END
};
// script, description, magic DWORD, adjust
const SciScriptSignature sq5Signatures[] = {
{ 119, "scrubbing send crash", PATCH_MAGICDWORD(0x18, 0x31, 0x37, 0x78), 0, sq5SignatureScrubbing, sq5PatchScrubbing },
{ 0, NULL, 0, 0, NULL, NULL }
};
// will actually patch previously found signature area
void Script::applyPatch(const uint16 *patch, byte *scriptData, const uint32 scriptSize, int32 signatureOffset) {
int32 offset = signatureOffset;
@ -229,6 +270,8 @@ void Script::matchSignatureAndPatch(uint16 scriptNr, byte *scriptData, const uin
signatureTable = hoyle4Signatures;
if (g_sci->getGameId() == GID_LSL6)
signatureTable = larry6Signatures;
if (g_sci->getGameId() == GID_SQ5)
signatureTable = sq5Signatures;
if (signatureTable) {
while (signatureTable->data) {