matita/matita/contribs/ng_assembly2/emulator/read_write/read_write.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/read_write/RS08_read_write.ma".
  24 include "emulator/read_write/IP2022_read_write.ma".
  25
  26 (* filtraggio avviene sempre sul segmento 0 *)
  27
  28 (* in caso di RS08/IP2022 si dirotta sul filtro, altrimenti si legge direttamente *)
  29 ndefinition memory_filter_read ≝
  30 λm:mcu_type.λt:memory_impl.match m return λm:mcu_type.any_status m t → word16 → option byte8 with
  31  [ HC05 ⇒ λs:any_status HC05 t.
  32   mem_read t (mem_desc … s) (chk_desc … s) o0
  33  | HC08 ⇒ λs:any_status HC08 t.
  34   mem_read t (mem_desc … s) (chk_desc … s) o0
  35  | HCS08 ⇒ λs:any_status HCS08 t.
  36   mem_read t (mem_desc … s) (chk_desc … s) o0
  37  | RS08 ⇒ RS08_memory_filter_read t
  38  | IP2022 ⇒ IP2022_memory_filter_read t
  39  ].
  40
  41 ndefinition memory_filter_read_bit ≝
  42 λm:mcu_type.λt:memory_impl.match m return λm:mcu_type.any_status m t → word16 → oct → option bool with
  43  [ HC05 ⇒ λs:any_status HC05 t.
  44   mem_read_bit t (mem_desc … s) (chk_desc … s) o0
  45  | HC08 ⇒ λs:any_status HC08 t.
  46   mem_read_bit t (mem_desc … s) (chk_desc … s) o0
  47  | HCS08 ⇒ λs:any_status HCS08 t.
  48   mem_read_bit t (mem_desc … s) (chk_desc … s) o0
  49  | RS08 ⇒ RS08_memory_filter_read_bit t
  50  | IP2022 ⇒ IP2022_memory_filter_read_bit t
  51  ].
  52
  53 ndefinition memory_filter_write ≝
  54 λm:mcu_type.λt:memory_impl.match m
  55  return λm:mcu_type.any_status m t → word16 → aux_mod_type → byte8 → option (any_status m t) with
  56  [ HC05 ⇒ λs:any_status HC05 t.λaddr:word16.λflag:aux_mod_type.λval:byte8.
  57   opt_map … (mem_update t (mem_desc … s) (chk_desc … s) o0 addr val)
  58    (λmem.Some ? (set_mem_desc … s mem))
  59  | HC08 ⇒ λs:any_status HC08 t.λaddr:word16.λflag:aux_mod_type.λval:byte8.
  60   opt_map … (mem_update t (mem_desc … s) (chk_desc … s) o0 addr val)
  61    (λmem.Some ? (set_mem_desc … s mem))
  62  | HCS08 ⇒ λs:any_status HCS08 t.λaddr:word16.λflag:aux_mod_type.λval:byte8.
  63   opt_map … (mem_update t (mem_desc … s) (chk_desc … s) o0 addr val)
  64    (λmem.Some ? (set_mem_desc … s mem))
  65  | RS08 ⇒ λs:any_status RS08 t.λaddr:word16.λflag:aux_mod_type.
  66   RS08_memory_filter_write t s addr
  67  | IP2022 ⇒ IP2022_memory_filter_write t
  68  ].
  69
  70 ndefinition memory_filter_write_bit ≝
  71 λm:mcu_type.λt:memory_impl.match m
  72  return λm:mcu_type.any_status m t → word16 → oct → bool → option (any_status m t) with
  73  [ HC05 ⇒ λs:any_status HC05 t.λaddr:word16.λsub:oct.λval:bool.
  74   opt_map … (mem_update_bit t (mem_desc … s) (chk_desc … s) o0 addr sub val)
  75     (λmem.Some ? (set_mem_desc … s mem))
  76  | HC08 ⇒ λs:any_status HC08 t.λaddr:word16.λsub:oct.λval:bool.
  77   opt_map … (mem_update_bit t (mem_desc … s) (chk_desc … s) o0 addr sub val)
  78     (λmem.Some ? (set_mem_desc … s mem))
  79  | HCS08 ⇒ λs:any_status HCS08 t.λaddr:word16.λsub:oct.λval:bool.
  80   opt_map … (mem_update_bit t (mem_desc … s) (chk_desc … s) o0 addr sub val)
  81    (λmem.Some ? (set_mem_desc … s mem))
  82  | RS08 ⇒ RS08_memory_filter_write_bit t
  83  | IP2022 ⇒ IP2022_memory_filter_write_bit t
  84  ].