tru.s

;Philippe Babin PHBAB1 - Mathieu Cloutier MACLO245
      
      NAME    main
        
        PUBLIC  __iar_program_start
        SECTION .intvec : CODE (2)
        CODE32
        
__iar_program_start
        B       main    ;
        ADD R0, R0, #0 ; Does nothing!
        B interruption
Mapile DS32  64
;MaChaine DC8   "Allo" , 0x00

        SECTION .text : CODE (2)
        CODE32
  


main 
     LDR SP, =Mapile
     SWI #0x112233
     SWI #0x445566
     
     
     B main
     
interruption
     PUSH {R1}
     LDR R0, [LR, #-4]
     
     MOV R1, #0xFF
     ADD R1, R1, #0xFF00
     ADD R1, R1, #0xFF0000
    ; MOV R2, R2, LSL #16
     AND R0, R0, R1
     
     POP {R1}
     
     BX LR
  
  END