The NVR name is now obtained from the selected machine BIOS type if applicable.

src/machine/m_at_386dx_486.c

@@ -696,7 +696,7 @@ static const device_config_t pb450_config[] = {
         .file_filter = "",
         .spinner = { 0 },
         .bios = {
-            { .name = "PCI 1.0A", .internal_name = "pci10a", .bios_type = BIOS_NORMAL, 
+            { .name = "PCI 1.0A", .internal_name = "pb450" /*"pci10a"*/, .bios_type = BIOS_NORMAL, 
               .files_no = 1, .local = 0, .size = 131072, .files = { "roms/machines/pb450/OPTI802.bin", "" } },
             { .name = "PNP 1.1A", .internal_name = "pnp11a", .bios_type = BIOS_NORMAL,
               .files_no = 1, .local = 0, .size = 131072, .files = { "roms/machines/pb450/PNP11A.bin", "" } },

src/machine/machine_table.c

@@ -16565,3 +16565,26 @@ machine_is_sony(void)
 {
     return (!strcmp(machines[machine].internal_name, "pcv90"));
 }
+
+const char *
+machine_get_nvr_name_ex(int m)
+{
+    const char     *ret = machines[m].internal_name;
+    const device_t *dev = machine_get_device(m);
+
+    if (dev != NULL) {
+        device_context(dev);
+        const char *bios = device_get_config_string("bios");
+        if ((bios != NULL) && (strcmp(bios, "") != 0))
+            ret = bios;
+        device_context_restore();
+    }
+
+    return ret;
+}
+
+const char *
+machine_get_nvr_name(void)
+{
+    return machine_get_nvr_name_ex(machine);
+}