Table of GAP3 lenghts updated to add more formats;

Applied the last mainline PCem commit;
Increased track arrays in the 86F struct, fixes ED 86F's at reduced RPM;
Fixed size display related bugs in the hard disk settings dialog;
(S)VGA status now separates Chain 4 and Chain Odd/Even statuses.

src/808x.c

@@ -644,7 +644,7 @@ void resetx86()
         eflags=0;
         cgate32=0;
         loadcs(0xFFFF);
-        rammask=0xFFFFFFFF;
+        rammask = AT ? 0xFFFFFFFF : 0xfffff;
         idt.base = 0;
         flags=2;
         makeznptable();