Ported the 3c500/3c501 nic from VirtualBox.

Added IRQ's 10 and 11 to the AMD PCnet ISA/VLB nics.

src/network/CMakeLists.txt

@@ -13,8 +13,8 @@
 #          Copyright 2020,2021 David Hrdlička.
 #
 
-add_library(net OBJECT network.c net_pcap.c net_slirp.c net_dp8390.c net_3c503.c
-    net_ne2000.c net_pcnet.c net_wd8003.c net_plip.c net_event.c)
+add_library(net OBJECT network.c net_pcap.c net_slirp.c net_dp8390.c net_3c501.c 
+    net_3c503.c net_ne2000.c net_pcnet.c net_wd8003.c net_plip.c net_event.c)
 
 option(SLIRP_EXTERNAL "Link against the system-provided libslirp library" OFF)
 mark_as_advanced(SLIRP_EXTERNAL)

src/network/net_pcnet.c

@@ -3065,6 +3065,8 @@ static const device_config_t pcnet_isa_config[] = {
             { .description = "IRQ 4", .value = 4 },
             { .description = "IRQ 5", .value = 5 },
             { .description = "IRQ 9", .value = 9 },
+            { .description = "IRQ 10", .value = 10 },
+            { .description = "IRQ 11", .value = 11 },
             { .description = ""                  }
         },
     },
@@ -3124,6 +3126,8 @@ static const device_config_t pcnet_vlb_config[] = {
             { .description = "IRQ 4", .value = 4 },
             { .description = "IRQ 5", .value = 5 },
             { .description = "IRQ 9", .value = 9 },
+            { .description = "IRQ 10", .value = 10 },
+            { .description = "IRQ 11", .value = 11 },
             { .description = ""                  }
         },
     },

src/network/network.c

@@ -67,6 +67,7 @@
 #include <86box/ui.h>
 #include <86box/timer.h>
 #include <86box/network.h>
+#include <86box/net_3c501.h>
 #include <86box/net_3c503.h>
 #include <86box/net_ne2000.h>
 #include <86box/net_pcnet.h>
@@ -95,6 +96,7 @@ static const device_t net_none_device = {
 
 static const device_t *net_cards[] = {
     &net_none_device,
+    &threec501_device,
     &threec503_device,
     &pcnet_am79c960_device,
     &pcnet_am79c961_device,