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_at.c

@@ -760,7 +760,7 @@ mfm_close(void *priv)
 
 device_t mfm_at_wd1003_device = {
     "WD1003 AT MFM/RLL Controller",
-    DEVICE_AT, 0,
+    DEVICE_ISA | DEVICE_AT, 0,
     mfm_init, mfm_close, NULL,
     NULL, NULL, NULL, NULL, NULL
 };