Fixed the crash that would occur if a GBA link mode were used with a GB game.

git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@1243 a31d4220-a93d-0410-bf67-fe4944624d44

src/gb/GB.cpp

@@ -806,7 +806,7 @@ void  gbWriteMemory(register u16 address, register u8 value)
 		}
 		EmuReseted = false;
 		gbMemory[0xff02] = value;
-		if (gbSerialOn) {
+		if (gbSerialOn && GetLinkMode() == LINK_GAMEBOY) {
 			gbSerialTicks = GBSERIAL_CLOCK_TICKS;
 
 			LinkIsWaiting = true;
@@ -2199,8 +2199,10 @@ void gbGetHardwareType()
 void gbReset()
 {
 #ifndef NO_LINK
+	if (GetLinkMode() == LINK_GAMEBOY) {
 		EmuReseted = true;
 		gbLinkReset();
+	}
 #endif
 
   gbGetHardwareType();
@@ -5237,7 +5239,8 @@ void gbEmulate(int ticksToStop)
 	static int SIOctr = 0;
 	SIOctr++;
 	if (SIOctr % 5)
-		if (gbSerialOn) { //Transfer Started
+		//Transfer Started
+		if (gbSerialOn && GetLinkMode() == LINK_GAMEBOY) {
 #ifdef OLD_GB_LINK
 			if (linkConnected) {
 				gbSerialTicks -= clockTicks;

src/gba/GBALink.cpp

@@ -300,7 +300,6 @@ typedef struct {
 	int type;
 	bool server;
 	bool speed; //speedhack
-	bool active; //network/single computer
 } LANLINKDATA;
 
 class lserver{
@@ -1882,7 +1881,7 @@ bool LinkRFUUpdate()
 {
 	//if (IsLinkConnected()) {
 	//}
-	if (!lanlink.active || rfu_enabled) {
+	if (rfu_enabled) {
 		if (transfer&&rfu_transfer_end <= 0)
 		{
 			if (rfu_waiting) {
@@ -2231,6 +2230,9 @@ static ConnectionState InitSocket() {
 
 ConnectionState InitLink(LinkMode mode)
 {
+	if (mode == LINK_DISCONNECTED)
+		return LINK_ABORT;
+
 	// Do nothing if we are already connected
 	if (GetLinkMode() != LINK_DISCONNECTED) {
 		systemMessage(0, N_("Error, link already connected"));
@@ -2720,7 +2722,7 @@ u8 gbStartLink(u8 b) //used on internal clock
 	if (!gba_link_enabled) return 0xff;
 
 	//Single Computer
-	if (!lanlink.active)
+	if (GetLinkMode() == LINK_GAMEBOY)
 	{
 		u32 tm = GetTickCount();
 		do {
@@ -2764,7 +2766,7 @@ u16 gbLinkUpdate(u8 b, int gbSerialOn) //used on external clock
 	if (gbSerialOn) {
 		if (gba_link_enabled)
 			//Single Computer
-			if (!lanlink.active)
+			if (GetLinkMode() == LINK_GAMEBOY)
 			{
 				u32 tm;// = GetTickCount();
 				//do {

src/win32/LinkOptions.cpp

@@ -133,6 +133,15 @@ void LinkOptions::OnOk()
 	SetLinkTimeout(timeout);
 
 	LinkMode newMode = (LinkMode) m_type;
+
+	if (newMode == LINK_DISCONNECTED) {
+		theApp.linkTimeout = timeout;
+		theApp.linkMode = LINK_DISCONNECTED;
+		theApp.linkHost = host;
+		CDialog::OnOK();
+		return;
+	}
+
 	bool needsServerHost = newMode == LINK_GAMECUBE_DOLPHIN || (newMode == LINK_CABLE_SOCKET && !m_server);
 
 	if (needsServerHost) {