Pretty much all timer counters are now 32-bit again;

Fixed FDI stream parameters passed to the 86F handler, FDI stream images now read correctly again;
The National Semiconductors PC87306 SuperI/O chip now supports enhanced FDC mode.

src/vid_mda.c

@@ -21,7 +21,7 @@ typedef struct mda_t
         uint8_t ctrl, stat;
         
         int dispontime, dispofftime;
-        int64_t vidtime;
+        int vidtime;
         
         int firstline, lastline;