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authorMatthew Hoops2013-04-26 19:00:30 -0400
committerMatthew Hoops2013-04-26 20:38:43 -0400
commitf2ae99791fc31031adad6fceb62dedaf5d6b35e5 (patch)
treee584c372b829a6eb8649007b07cf72a8c932d0be /engines
parent29cfadebe96514b327745c6d96ce0854420a2ce0 (diff)
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SCI: Add script patch for Freddy Pharkas Mac inventory
Thanks to waltervn for figuring this mess out!
Diffstat (limited to 'engines')
-rw-r--r--engines/sci/engine/script_patches.cpp34
1 files changed, 33 insertions, 1 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp
index 5273ed3648..f9e5b6ac5f 100644
--- a/engines/sci/engine/script_patches.cpp
+++ b/engines/sci/engine/script_patches.cpp
@@ -364,10 +364,42 @@ const uint16 freddypharkasPatchLadderEvent[] = {
PATCH_END
};
+// In the Macintosh version of Freddy Pharkas, kRespondsTo is broken for
+// property selectors. They hacked the script to work around the issue,
+// so we revert the script back to using the values of the DOS script.
+const byte freddypharkasSignatureMacInventory[] = {
+ 10,
+ 0x39, 0x23, // pushi 23
+ 0x39, 0x74, // pushi 74
+ 0x78, // push1
+ 0x38, 0x01, 0x74, // pushi 0174
+ 0x85, 0x15, // lat 15
+ 0
+};
+
+const uint16 freddypharkasPatchMacInventory[] = {
+ 0x39, 0x02, // pushi 02 (now matches the DOS version)
+ 0x39, 0x74, // pushi 74
+ 0x78, // push1
+ 0x38, 0x01, 0x74, // pushi 0174
+ 0x85, 0x15, // lat 15
+ 0x4a, 0x06, // send 06
+ 0x31, 0x08, // bnt 08
+ 0x38, 0x01, 0x74, // pushi 0174
+ 0x76, // push0
+ 0x85, 0x15, // lat 15
+ 0x4a, 0x04, // send 04
+ 0x02, // add
+ 0xa5, 0x12, // sat 12
+ 0x39, 0x04, // pushi 04 (now matches the DOS version)
+ PATCH_END
+};
+
// script, description, magic DWORD, adjust
const SciScriptSignature freddypharkasSignatures[] = {
{ 0, "CD: score early disposal", 1, PATCH_MAGICDWORD(0x39, 0x0d, 0x43, 0x75), -3, freddypharkasSignatureScoreDisposal, freddypharkasPatchScoreDisposal },
- { 235, "CD: canister pickup hang", 3, PATCH_MAGICDWORD(0x39, 0x07, 0x39, 0x08), -4, freddypharkasSignatureCanisterHang, freddypharkasPatchCanisterHang },
+ { 15, "Mac: broken inventory", 1, PATCH_MAGICDWORD(0x39, 0x23, 0x39, 0x74), 0, freddypharkasSignatureMacInventory, freddypharkasPatchMacInventory },
+ { 235, "CD: canister pickup hang", 3, PATCH_MAGICDWORD(0x39, 0x07, 0x39, 0x08), -4, freddypharkasSignatureCanisterHang, freddypharkasPatchCanisterHang },
{ 320, "ladder event issue", 2, PATCH_MAGICDWORD(0x6d, 0x76, 0x38, 0xf5), -1, freddypharkasSignatureLadderEvent, freddypharkasPatchLadderEvent },
SCI_SIGNATUREENTRY_TERMINATOR
};