MP_IE
MP_IE | (mi->mi_ivec >> 2));
#define STEP1MASK (ALLSTEPS | MP_IE | MP_NCNRMASK)
#define STEP1GOOD (MP_STEP2 | MP_IE | (NCMDL2 << 3) | NRSPL2)
#define STEP2MASK (ALLSTEPS | MP_IE | MP_IVECMASK)
#define STEP2GOOD(iv) (MP_STEP3 | MP_IE | (iv))
MP_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | MP_IE |