Timer counters now 64-bit;

Cleaned up floppy code a lot and reverted to single poller;
Fixed segment present bit and limit checking at read/write within segment;
The ASUS boards now have memregs too;
RTC code improved based on suggestion by Sarah Walker;
Fixed SVGA odd/even emulation and added chain odd/even support;
Removed non-existent CPU's.

src/pc.c

@@ -465,7 +465,7 @@ void runpc()
                 framecount++;
                 if (framecountx>=100)
                 {
-                        pclog("onesec\n");
+                        // pclog("onesec\n");
                         framecountx=0;
                         mips=(float)insc/1000000.0f;
                         insc=0;