1 files changed, 12 insertions, 0 deletions
diff --git a/engines/agi/opcodes.cpp b/engines/agi/opcodes.cpp
index 7a427bd94f..807ab2dc2c 100644
--- a/engines/agi/opcodes.cpp
+++ b/engines/agi/opcodes.cpp
@@ -376,6 +376,18 @@ void AgiEngine::setupOpcodes() {
 		logicNamesTest = insV1Test;
 		logicNamesCmd = insV1;
 	}
+
+	// Alter opcode parameters for specific games
+	// TODO: This could be either turned into a game feature, or a version
+	// specific check, instead of a game version check
+
+	// The Apple IIGS versions of MH1 and Goldrush both have a parameter for
+	// show.mouse and hide.mouse. Fixes bugs #3577754 and #3426946.
+	if ((getGameID() == GID_MH1 || getGameID() == GID_GOLDRUSH) &&
+		getPlatform() == Common::kPlatformApple2GS) {
+		logicNamesCmd[176].args = "n";	// hide.mouse
+		logicNamesCmd[178].args = "n";	// show.mouse
+	}
 }
 
 }