Add log msg for power-cycle, and improve debug-check for U1 $Csnn I/O access.

source/Tfe/tfearch.cpp

@@ -341,7 +341,7 @@ pcap_t * TfePcapOpenAdapter(const std::string & interface_name)
         return NULL;
 	}
 
-    if(g_fh) fprintf(g_fh, "PCAP: Succesfully opened adapter: '%s'\n", TfePcapDevice->name);
+    if(g_fh) fprintf(g_fh, "PCAP: Successfully opened adapter: '%s'\n", TfePcapDevice->name);
 
     tfe_arch_enumadapter_close();
     return TfePcapFP;

source/Uthernet1.cpp

@@ -970,7 +970,9 @@ void Uthernet1::tfe_transmit(
 static BYTE __stdcall TfeIoCxxx (WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles)
 {
 #ifdef _DEBUG
-	if (!IS_APPLE2)
+    const UINT slot = (address >> 8) & 0xf;
+
+    if (!IS_APPLE2 && slot == SLOT3)
 	{
 		// Derived from UTAIIe:5-28
 		//

source/Utilities.cpp

@@ -532,6 +532,8 @@ void GetAppleWindowTitle()
 // todo: consolidate CtrlReset() and ResetMachineState()
 void ResetMachineState()
 {
+	LogFileOutput("Apple II power-cycle\n");
+
 	GetCardMgr().Reset(true);
 	g_bFullSpeed = 0;	// Might've hit reset in middle of InternalCpuExecute() - so beep may get (partially) muted