# # template for system control block for star (11/780) # 0x4 i Xmachcheck # machine check interrupt 0x8 i Xkspnotval # kernel stack not valid # 0xc i Xpowfail # power fail 0x10 t Xprivinflt # privileged instruction 0x14 t Xxfcflt # xfc instruction 0x18 t Xresopflt # reserved operand 0x1c t Xresadflt # reserved addressing 0x20 t Xprotflt # protection and pt length violation 0x24 t Xtransflt # address translation not valid fault 0x28 t Xtracep # trace pending 0x2c t Xbptflt # bpt instruction 0x30 t Xcompatflt # compatibility mode fault 0x34 t Xarithtrap # arithmetic trap 0x40 t Xsyscall # chmk 0x44 i Xchmx # chme 0x48 i Xchmx # chms 0x4c t Xchmx # chmu # 0x50 # sbi silo compare; VMS ignores it too 0x54 i Xmemerr # memory CRD or RDS 0x58 i Xmemerr # SBI alert; assume memory controller 0x5c i Xsbiflt # SBI fault 0x60 i Xwtime # async write timeout 0x88 t Xastflt # software 2: reschedule nudge, profile 0x8c t Xqsched # software 3: stream queue scheduling 0xa0 i Xsoftclock # software 8: soft clock 0xc0 i Xhardclock # clock 0xf8 i Xcnrint # console receiver 0xfc i Xcnxint # console transmitter