LILLIPUT: Implements one more opcode

2 files changed, 31 insertions, 4 deletions

diff --git a/engines/lilliput/script.cpp b/engines/lilliput/script.cpp
index df21358f86..1b75bd4a18 100644
--- a/engines/lilliput/script.cpp
+++ b/engines/lilliput/script.cpp
@@ -926,9 +926,32 @@ byte LilliputScript::OC_sub173F0() {
 	return 0;
 }
 
+byte* LilliputScript::sub17399(int val) {
+	int x = (val >> 8);
+	int y = (val & 0xFF);
+	return &_vm->_bufferIsoMap[(y * 320 + x) << 2];
+}
+
 byte LilliputScript::OC_sub1740A() {
-	warning("OC_sub1740A");
-	return 0;
+	debugC(1, kDebugScript, "OC_sub1740A()");
+
+	int var = _vm->_word16EFA;
+	if (var == 0xFFFF) {
+		_currScript->readUint16LE();
+		return 0;
+	}
+
+	byte *isoMapBuf = sub17399(var);
+	int var2 = isoMapBuf[3];
+
+	int var3 = _currScript->readUint16LE();
+	int var4 = 8 >> var3;
+
+	if( var2 & var4 ) {
+		return 1;
+	} else { 
+		return 0;
+	}
 }
 
 byte LilliputScript::OC_sub17434() {
@@ -943,8 +966,11 @@ byte LilliputScript::OC_sub17434() {
 }
 
 byte LilliputScript::OC_sub17468() {
-	warning("OC_sub17468");
-	return 0;
+	debugC(1, kDebugScript, "OC_sub17468()");
+
+	int operation = _currScript->readUint16LE();
+	int val2 = _currScript->readUint16LE();
+	return compareValues(_byte16F02, operation, val2);
 }
 
 byte LilliputScript::OC_getRandom() {
diff --git a/engines/lilliput/script.h b/engines/lilliput/script.h
index 24a74d7c24..4d7f5e9843 100644
--- a/engines/lilliput/script.h
+++ b/engines/lilliput/script.h
@@ -106,6 +106,7 @@ private:
 	void sub18A56(byte *buf);
 	void sub18B3C(int var);
 	void sub18BE6(byte var1, int var2, int var4);
+	byte* sub17399(int val);
 	byte *getMapPtr(int var1);
 
 	int getValue1();