Problems with a native code.(it's very important plis!)

Dear all:
I write a native code that uses the timer 2 RSI, it works fine, but now i 
detect a problem with my aplication, then, I think that i don't restore the 
old RSI correctly. Can someone help me? it's very important and urgent! 
that's the code:

OLDRSI  EQU     44h

;INSTALL THE RSI AND STORE THE OLD RSI VECTOR AT "OLDRSI"

Native_InstalarRSI:
   clr a
   mov   R1_B0, #TICS   ; inicialitzem els tics
   mov   a, #0
   mov   @R1, a


   lcall  NatLib_LoadPrimitive     ; agafem el parametre
  mov   R1_B0,#PARAM                            ; guardem el parametre
   mov   a, R0
   mov   @R1, a


   mov   R1_B0, #SYSTEM_INDIRECT_START   ; inicialitzem la sortida
   mov   a, #0
   mov   @R1, a

   ;PROGRAMACIO DEL TIMER2

        mov a,#2Bh                      ;Instal.lar interrupcio
        push dps
        mov dps,#1
        mov dptr,#timerRSI
        pop dps
        lcall System_InstallInterrupt
        mov a,#OLDRSI                          ; WELL??????
        PUTX

             anl   T2MOD, #0EFh
             anl   CKCON, #0DFh    ; T2: / 12
             anl   T2MOD, #0F7h
             anl   T2MOD, #0FEh    ; up count
             mov   RCAP2L, #0Fh
             mov   RCAP2H, #0FFh
             orl   IE, #020h     ; Enable Timer 2 interrupt
             mov   T2CON, #04h   ; Timer 2 run
            clr   a             ; indicate "no exceptions"
    ret


Native_DesinstalarRSI:
        mov a,#0
        anl IE,#0DFh            ; Desabilitar interrupcio
        push dps
        mov dps,#1
        mov a,#OLDRSI           ; dptr= punter rutina original
        GETX
        pop dps
        mov a,#02Bh                     ; acc= offset timer2
        lcall   System_InstallInterrupt
        clr a
ret




Thanks for all. Lluis.

_________________________________________________________________
Dale rienda suelta a tu tiempo libre. Encuentra mil ideas para exprimir tu 
ocio con MSN Entretenimiento. http://entretenimiento.msn.es/

_______________________________________________
TINI mailing list
TINI-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx
To UNSUBSCRIBE, edit your profile, or see list archives:
http://lists.dalsemi.com/mailman/listinfo/tini