* VAX System control block layout
int (*scb_stray
)(); /* reserved */
int (*scb_machchk
)(); /* machine chack */
int (*scb_kspinval
)(); /* KSP invalid */
int (*scb_powfail
)(); /* power fail */
int (*scb_resinstr
)(); /* reserved instruction */
int (*scb_custinst
)(); /* XFC instr */
int (*scb_resopnd
)(); /* reserved operand */
int (*scb_resaddr
)(); /* reserved addr mode */
int (*scb_acv
)(); /* access control violation */
int (*scb_tnv
)(); /* translation not valid */
int (*scb_tracep
)(); /* trace pending */
int (*scb_bpt
)(); /* breakpoint instr */
int (*scb_compat
)(); /* compatibility mode fault */
int (*scb_arith
)(); /* arithmetic fault */
int (*scb_chmk
)(); /* CHMK instr */
int (*scb_chme
)(); /* CHME instr */
int (*scb_chms
)(); /* CHMS instr */
int (*scb_chmu
)(); /* CHMU instr */
int (*scb_sbisilo
)(); /* SBI silo compare */
int (*scb_cmrd
)(); /* corrected mem read data */
int (*scb_sbialert
)(); /* SBI alert */
int (*scb_sbiflt
)(); /* SBI fault */
int (*scb_wtime
)(); /* memory write timeout */
int (*scb_soft
[15])(); /* software interrupt */
int (*scb_timer
)(); /* interval timer interrupt */
int (*scb_csdr
)(); /* console storage receive */
int (*scb_csdx
)(); /* console storage transmit */
int (*scb_ctr
)(); /* console terminal receive */
int (*scb_ctx
)(); /* console terminal transmit */
int (*scb_ipl14
[16])(); /* device interrupts IPL 14 */
int (*scb_ipl15
[16])(); /* " " IPL 15 */
int (*scb_ipl16
[16])(); /* " " IPL 16 */
int (*scb_ipl17
[16])(); /* " " IPL 17 */
int (*scb_ubaint
[128])(); /* Unibus device intr */
/* scb.scb_ubaint is the same as UNIvec */
#define scbentry(f, how) ((int (*)())(((int)f)+how))
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