Changeset 14789 in vbox for trunk/src/VBox/Devices/PC

Timestamp:

Nov 28, 2008 4:16:05 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

40110

Message:

DevPit-i8254: missing decimal separator.

File:

• trunk/src/VBox/Devices/PC/DevPit-i8254.cpp (modified) (1 diff)

trunk/src/VBox/Devices/PC/DevPit-i8254.cpp

@@ -648 +648 @@
         /* bit 5 - mirrors timer 2 output condition. */
         const int fOut = pit_get_out(pThis, 2, u64Now);
-        /* bit 4 - toggled with each (DRAM?) refresh request, every 15085 µs. 
-                   our timer resolution is around 100-1000 µs, thus we can just flip
-                   on every increase of quotient by 1
-         */
-#ifdef FAKE_REFRESH_CLOCK
+        /* bit 4 - toggled with each (DRAM?) refresh request, every 15.085 µs.
+                   ASSUMES ns timer freq, see assertion above. */
+#ifndef FAKE_REFRESH_CLOCK
+        const int fRefresh = (u64Now / 15085) & 1;
+#else
         pThis->dummy_refresh_clock ^= 1;
         const int fRefresh = pThis->dummy_refresh_clock;
-#else
-        const int fRefresh = (u64Now / 15085 ) & 1;
 #endif
         /* bit 2,3 NMI / parity status stuff. */