add system time, clean up pci into pci.sys, clean up syscall names, fix USERAPC1 typo

code/settings.ini

@@ -13,3 +13,14 @@ address=10.0.2.15
 netmask=255.255.255.0
 gateway=10.0.2.2
 dns=10.0.2.3
+
+[time]
+; Default wall-clock policy: Central European Time with automatic EU daylight saving.
+; timezone accepts: central-europe, Europe/Warsaw, cet, cest, utc, gmt, UTC+H, UTC+HH[:MM], UTC-HH[:MM].
+timezone=central-europe
+; daylight_saving accepts: auto, central-europe, on, off.
+daylight_saving=auto
+; Firmware/CMOS clock convention. QEMU/OVMF usually uses utc; use local for Windows-style RTCs.
+hardware_clock=utc
+; Used when timezone is a custom/fixed policy; minutes east of UTC.
+standard_offset_minutes=60