Add rpio line configuration

RaspberryPi/apple2driver/a2io/gpio.go

@@ -81,6 +81,33 @@ func (a2 A2Gpio) Init() {
 
 	inWrite.PullDown()
 	inRead.PullDown()
+
+	outWrite.Output()
+	outRead.Output()
+	outReserved2.Output()
+	outReserved1.Output()
+	outBit7.Output()
+	outBit6.Output()
+	outBit5.Output()
+	outBit4.Output()
+	outBit3.Output()
+	outBit2.Output()
+	outBit1.Output()
+	outBit0.Output()
+
+	inWrite.Input()
+	inRead.Input()
+	inReserved2.Input()
+	inReserved1.Input()
+	inBit7.Input()
+	inBit6.Input()
+	inBit5.Input()
+	inBit4.Input()
+	inBit3.Input()
+	inBit2.Input()
+	inBit1.Input()
+	inBit0.Input()
+
 	outReserved1.High()
 	outReserved2.High()
 	outRead.High()