Fixed bugs that were preventing NVR and Flash files from behind saved;

A lot of clean ups from waltje;
Start of a directory structure for the code, thanks to waltje.

src/network.c

@@ -0,0 +1,154 @@
+/* Copyright holders: Sarah Walker, Tenshi
+   see COPYING for more details
+*/
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ibm.h"
+#include "device.h"
+#include "network.h"
+#include "timer.h"
+#include "thread.h"
+
+#include "net_ne2000.h"
+
+
+typedef struct {
+    char name[64];
+    char internal_name[32];
+    device_t *device;
+} NETCARD;
+
+typedef struct {
+    void (*poller)(void *p);
+    void *priv;
+} NETPOLL;
+
+
+static int net_handlers_num;
+static int net_card_last = 0;
+static uint32_t net_poll_time = 0;
+static NETPOLL net_handlers[8];
+static NETCARD net_cards[] = {
+    { "None",			"none",		NULL			},
+    { "Novell NE2000",		"ne2k",		&ne2000_device		},
+    { "Realtek RTL8029AS",	"ne2kpci",	&rtl8029as_device	},
+    { "",			"",		NULL			}
+};
+
+int network_card_current = 0;
+
+
+static void
+net_poll(void *priv)
+{
+    int c;
+
+    /* Reset the poll timer. */
+    net_poll_time += (uint32_t)((double)TIMER_USEC * (1000000.0/8.0/3000.0));
+
+    /* If we have active cards.. */
+    if (net_handlers_num) {
+	/* .. poll each of them. */
+	for (c=0; c<net_handlers_num; c++) {
+		net_handlers[c].poller(net_handlers[c].priv);
+	}
+    }
+}
+
+
+/* Initialize the configured network cards. */
+void
+network_init(void)
+{
+    if (net_cards[network_card_current].device)
+	device_add(net_cards[network_card_current].device);
+
+    net_card_last = network_card_current;
+
+    if (network_card_current != 0) {
+	network_reset();
+    }
+}
+
+
+/* Add a handler for a network card. */
+void
+network_add_handler(void (*poller)(void *p), void *p)
+{
+    net_handlers[net_handlers_num].poller = poller;
+    net_handlers[net_handlers_num].priv = p;
+    net_handlers_num++;
+}
+
+
+/* Reset the network card(s). */
+void
+network_reset(void)
+{
+    pclog("network_reset()\n");
+
+    net_handlers_num = 0;
+
+    if (network_card_current) {
+	pclog("NETWORK: adding timer...\n");
+
+        timer_add(net_poll, &net_poll_time, TIMER_ALWAYS_ENABLED, NULL);
+    }
+}
+
+
+int
+network_card_available(int card)
+{
+    if (net_cards[card].device)
+	return(device_available(net_cards[card].device));
+
+    return(1);
+}
+
+
+char *
+network_card_getname(int card)
+{
+    return(net_cards[card].name);
+}
+
+
+device_t *
+network_card_getdevice(int card)
+{
+    return(net_cards[card].device);
+}
+
+
+int
+network_card_has_config(int card)
+{
+    if (! net_cards[card].device) return(0);
+
+    return(net_cards[card].device->config ? 1 : 0);
+}
+
+
+char *
+network_card_get_internal_name(int card)
+{
+    return(net_cards[card].internal_name);
+}
+
+
+int
+network_card_get_from_internal_name(char *s)
+{
+    int c = 0;
+	
+    while (strlen(net_cards[c].internal_name)) {
+	if (! strcmp(net_cards[c].internal_name, s))
+			return(c);
+	c++;
+    }
+	
+    return(0);
+}