short term:
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+- handle fast timers + add explicit clocks
+- OS/2 install bug
+- win 95 install bug
+- handle Self Modifying Code even if modifying current TB (BE OS 5 install)
- physical memory cache (reduce qemu-fast address space size to about 32 MB)
- better code fetch
- XP security bug
-- handle Self Modifying Code even if modifying current TB (BE OS 5 install)
- cycle counter for all archs
- TLB code protection support for PPC
- add sysenter/sysexit and fxsr for L4 pistachio 686