/* * processor status */ #define PS_C 0x1 /* carry bit */ #define PS_V 0x2 /* overflow bit */ #define PS_Z 0x4 /* zero bit */ #define PS_N 0x8 /* negative bit */ #define PS_T 0x10 /* trace enable bit */ #ifdef vax #define PS_IV 0x20 /* integer overflow enable bit */ #define PS_FU 0x40 /* floating point underflow enable bit */ #define PS_DV 0x80 /* decimal overflow enable bit */ #define PS_IPL 0x1f0000 /* interrupt priority level */ #define PS_PRV 0xc00000 /* previous mode */ #define PS_CUR 0x3000000 /* current mode */ #define PS_IS 0x4000000 /* interrupt stack */ #define PS_FPD 0x8000000 /* first part done */ #define PS_TP 0x40000000 /* trace pending */ #define PS_CM 0x80000000 /* compatibility mode */ #else #define PS_IPL 0340 /* interrupt priority level */ #define PS_PRV 0030000 /* previous mode */ #define PS_CUR 0140000 /* current mode */ #endif