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diff --git a/helm/software/matita/contribs/ng_assembly/freescale_tests/micro_tests8.ma b/helm/software/matita/contribs/ng_assembly/freescale_tests/micro_tests8.ma
deleted file mode 100755
index fa2b47ff5..000000000
--- a/helm/software/matita/contribs/ng_assembly/freescale_tests/micro_tests8.ma
+++ /dev/null
@@ -1,87 +0,0 @@
-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||M||                                                             *)
-(*      ||A||       A project by Andrea Asperti                           *)
-(*      ||T||                                                             *)
-(*      ||I||       Developers:                                           *)
-(*      ||T||         The HELM team.                                      *)
-(*      ||A||         http://helm.cs.unibo.it                             *)
-(*      \   /                                                             *)
-(*       \ /        This file is distributed under the terms of the       *)
-(*        v         GNU General Public License Version 2                  *)
-(*                                                                        *)
-(**************************************************************************)
-
-(* ********************************************************************** *)
-(*                          Progetto FreeScale                            *)
-(*                                                                        *)
-(*   Sviluppato da: Ing. Cosimo Oliboni, oliboni@cs.unibo.it              *)
-(*   Ultima modifica: 05/08/2009                                          *)
-(*                                                                        *)
-(* ********************************************************************** *)
-
-include "freescale_tests/micro_tests_tools.ma".
-include "freescale/multivm.ma".
-include "freescale/status_lemmas.ma".
-
-(* ****************************************** *)
-(* MICRO TEST DI CORRETTEZZA DELLE ISTRUZIONI *)
-(* ****************************************** *)
-
-(* *********** *)
-(* RS08 PS,SRT *)
-(* *********** *)
-
-ndefinition mTest_RS08_SRT_source ≝ let m ≝ RS08 in source_to_byte8 m (
-(* testa la logica RS08 PS le modalita' SRT *)
-(* NB: il meccanismo utilizzato e' quello complesso dell'RS08
-       fare riferimento alle spiegazioni in STATUS/LOAD_WRITE *)
-(* X=0x1F PS=0xFE Z=1 *)
-(* [0x3800] 3clk *) (compile m ? LDA (maSRT t1F) I) @      (* A<-PS *)
-(* [0x3801] 2clk *) (compile m ? SUB (maIMM1 〈xF,xE〉) I) @ (* risulta 0 *)
-(* [0x3803] 3clk *) (compile m ? BEQ (maIMM1 〈x0,x1〉) I) @ (* salta *)
-(* [0x3805] 1clk *) (compile m ? NOP maINH I) @ 
-
-(* [0x3806] 3clk *) (compile m ? LDA (maSRT t0E) I) @      (* A<-PS *)
-(* [0x3807] 2clk *) (compile m ? SUB (maIMM1 〈xF,xE〉) I) @ (* risulta 0 *)
-(* [0x3809] 3clk *) (compile m ? BEQ (maIMM1 〈x0,x1〉) I) @ (* salta *)
-(* [0x380B] 1clk *) (compile m ? NOP maINH I) @
-
-(* [0x380C] 3clk *) (compile m ? LDA (maDIR1 〈xC,x3〉) I) @ (* A<-[0x00C3]=[0x3F83]=0x83 *)
-(* [0x380E] 2clk *) (compile m ? SUB (maIMM1 〈x8,x3〉) I) @ (* risulta 0 *)
-(* [0x3810] 3clk *) (compile m ? BEQ (maIMM1 〈x0,x1〉) I) @ (* salta *)
-(* [0x3812] 1clk *) (compile m ? NOP maINH I)
-(* [0x3813] si puo' quindi enunciare che dopo 24 clk
-            PC<-0x3813 *)
-).
-
-(* creazione del processore+caricamento+impostazione registri *)
-ndefinition mTest_RS08_SRT_status ≝
-λt:memory_impl.
- setweak_x_map RS08 t (* X<-0x1F *)
-  (setweak_ps_map RS08 t (* PS<-0xFE *)
-   (set_z_flag RS08 t (* Z<-true *)
-    (set_pc_reg RS08 t (* PC<-mTest_RS08_prog *)
-     (start_of_mcu_version_RS08
-      MC9RS08KA2 t
-       (load_from_source_at t (* carica mTest_bytes in ROM:mTest_RS08_data *)
-        (load_from_source_at t (zero_memory t) (* carica source in ROM:mTest_RS08_prog *)
-         mTest_RS08_SRT_source mTest_RS08_prog)
-        mTest_bytes mTest_RS08_data)
-       (build_memory_type_of_mcu_version (FamilyRS08 MC9RS08KA2) t)
-      (mk_byte8 x0 x0) (mk_byte8 x0 x0) (* non deterministici tutti a 0 *)
-      false false false false false false (* non deterministici tutti a 0 *)
-      ) mTest_RS08_prog)
-     true)
-    (mk_byte8 xF xE))
-   (mk_byte8 x1 xF).
-
-(* dimostrazione senza svolgimento degli stati, immediata *)
-nlemma ok_mTest_RS08_SRT_full :
- ∀t:memory_impl.
- execute RS08 t (TickOK ? (mTest_RS08_SRT_status t)) nat24 =
- TickOK ? (set_pc_reg RS08 t (mTest_RS08_SRT_status t) (* nuovo PC *)
-           (mk_word16 〈x3,x8〉 〈x1,x3〉)).
- #t; nelim t;
- napply refl_eq.
-nqed.