Adding support for FujiNet networking with new state machine approach.

Author: Boisy Pitre

lib/bus/drivewire/drivewire.cpp

@@ -379,6 +379,26 @@ int systemBus::op_cpm(std::vector<uint8_t> *q)
 
 int systemBus::op_net(std::vector<uint8_t> *q)
 {
+    int result = 0;
+    int expectedResult = 1;    
+    
+    if (q->size() >= expectedResult) {
+        int device_id = q->at(0);
+
+        // If device doesn't exist, create it.
+        if (!_netDev.contains(device_id))
+        {
+            Debug_printf("Opening new network device %u\n",device_id);
+            _netDev[device_id] = new drivewireNetwork(this);
+        }
+
+        Debug_printv("OP_NET");
+        Debug_printf("device = %d\n", device_id);
+        result = _netDev[device_id]->process(q);
+    }
+    
+    return result;
+#if 0
     int result = 1;
 
     // Get device ID
@@ -397,6 +417,7 @@ int systemBus::op_net(std::vector<uint8_t> *q)
     Debug_printf("OP_NET: %u\n", device_id);
 
     return result;
+#endif
 }
 
 int systemBus::op_unhandled(std::vector<uint8_t> *q)
@@ -876,6 +897,7 @@ int systemBus::_drivewire_process_cmd(std::vector<uint8_t> *q)
             dwStateMethod = &systemBus::op_fuji;
             break;
         case OP_NET:
+            q->erase(q->begin()); // lob off OP_NET so parsing in network.cpp can go smoothly
             dwStateMethod = &systemBus::op_net;
             break;
         case OP_CPM:

lib/bus/drivewire/drivewire.h

@@ -194,6 +194,7 @@ class systemBus
 {
 public:
     int (drivewireFuji::*fnStateMethod)(std::vector<uint8_t> *);
+    int (drivewireNetwork::*nwStateMethod)(std::vector<uint8_t> *);
     void resetState(void);
 
 private:

lib/device/drivewire/fuji.cpp

@@ -30,7 +30,7 @@
 drivewireFuji theFuji; // global fuji device object
 
 // drivewireDisk drivewireDiskDevs[MAX_HOSTS];
-drivewireNetwork drivewireNetDevs[MAX_NETWORK_DEVICES];
+//drivewireNetwork drivewireNetDevs[MAX_NETWORK_DEVICES];
 
 bool _validate_host_slot(uint8_t slot, const char *dmsg = nullptr);
 bool _validate_device_slot(uint8_t slot, const char *dmsg = nullptr);