All devices now have the bus marked in their name;

The Settings dialog now correctly filters devices by bus;
Split the dual VLB/PCI graphics cards into VLB and PCI versions;
Device filtering is now done using the new device_is_valid() call that compares device flags to machine flags;
Moved the NCR-based SCSI controllers to the main branch;
Moved the NE1000 to the dev branch until it's finished.

src/disk/hdc_mfm_xt.c

@@ -908,7 +908,7 @@ dtc5150x_available(void)
 
 device_t mfm_xt_dtc5150x_device = {
     "DTC 5150X",
-    0, 0,
+    DEVICE_ISA, 0,
     dtc5150x_init, mfm_close, NULL,
     dtc5150x_available, NULL, NULL, NULL,
     NULL