KT-008 handling fix for FF Xn games. probably they are the same mappe…

…r with a set of different modes switching by specific bits (TODO, check the hardware: i have FFX games, but haven't any KT-008 games!)

src/boards/mmc3.cpp

@@ -113,6 +113,9 @@ void MMC3RegReset(void) {
 	DRegBuf[6] = 0;
 	DRegBuf[7] = 1;
 
+// KT-008 boards hack 2-in-1, TODO assign to new ines mapper, most dump of KT-boards on the net are mapper 4, so need database or goodnes fix support
+	kt_extra = 0;
+
 	FixMMC3PRG(0);
 	FixMMC3CHR(0);
 }
@@ -187,7 +190,14 @@ DECLFW(MMC3_IRQWrite) {
 DECLFW(KT008HackWrite) {
 //	FCEU_printf("%04x:%04x\n",A,V);
 	switch (A & 3) {
-	case 0: kt_extra = V; FixMMC3PRG(MMC3_cmd); break;
+	case 0: {
+			if (V == 0x27)			// FF Xn hack! one more mapper in one
+				kt_extra = 0;
+			else
+				kt_extra = V;
+			FixMMC3PRG(MMC3_cmd);
+			break;
+	}
 	case 1: break;	// unk
 	case 2: break;	// unk
 	case 3: break;	// unk