Added a 'power on' flag that is set automatically at construction but can be declined. Saves all that stuff of every machine having to set and then unset the RST line, and fixes an Electron bug related to that.

Machines/Electron/Electron.cpp

@@ -55,7 +55,6 @@ Machine::Machine() :
 		memset(_roms[c], 0xff, 16384);
 
 	_tape.set_delegate(this);
-	set_reset_line(true);
 }
 
 void Machine::setup_output(float aspect_ratio)
@@ -86,7 +85,6 @@ void Machine::close_output()
 unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uint16_t address, uint8_t *value)
 {
 	unsigned int cycles = 1;
-	set_reset_line(false);
 
 	if(address < 0x8000)
 	{