helm/software/matita/contribs/ng_assembly2/emulator/multivm/multivm_base.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
   6 (*      ||I||       Developers:                                           *)
   7 (*      ||T||         The HELM team.                                      *)
   8 (*      ||A||         http://helm.cs.unibo.it                             *)
   9 (*      \   /                                                             *)
  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
  12 (*                                                                        *)
  13 (**************************************************************************)
  14
  15 (* ********************************************************************** *)
  16 (*                          Progetto FreeScale                            *)
  17 (*                                                                        *)
  18 (*   Sviluppato da: Ing. Cosimo Oliboni, oliboni@cs.unibo.it              *)
  19 (*   Sviluppo: 2008-2010                                                  *)
  20 (*                                                                        *)
  21 (* ********************************************************************** *)
  22
  23 include "emulator/status/status_setter.ma".
  24
  25 ndefinition set_zflb ≝
  26 λm,t.λs:any_status m t.λb:byte8.set_z_flag … s (eqc ? b (zeroc ?)).
  27 ndefinition set_zflw ≝
  28 λm,t.λs:any_status m t.λw:word16.set_z_flag … s (eqc ? w (zeroc ?)).
  29
  30 ndefinition set_nflb ≝
  31 λm,t.λs:any_status m t.λb:byte8.setweak_n_flag … s (getMSBc ? b).
  32 ndefinition set_nflw ≝
  33 λm,t.λs:any_status m t.λw:word16.setweak_n_flag … s (getMSBc ? w).
  34
  35 (* enumerazione delle possibili modalita' di sospensione *)
  36 ninductive susp_type : Type ≝
  37   BGND_MODE: susp_type
  38 | STOP_MODE: susp_type
  39 | WAIT_MODE: susp_type.