FIELD_B
state->wb_reg = FIELD_B(state->words[0]);
state->wb_reg = FIELD_B(state->words[0]);
state->wb_reg = FIELD_B(state->words[0]);
if ((FIELD_B(state->words[0]) == REG_LIMM) ||
((FIELD_B(state->words[0]) == REG_LIMM) ||