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Task/Machine-code/ARM-Assembly/machine-code.arm
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98
Task/Machine-code/ARM-Assembly/machine-code.arm
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/* ARM assembly Raspberry PI */
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/* program Machine code */
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/* REMARK 1 : this program use routines in a include file
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see task Include a file language arm assembly
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for the routine affichageMess conversion10
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see at end of this program the instruction include */
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/*******************************************/
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/* Constantes */
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/*******************************************/
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.include "../constantes.inc"
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/*******************************************/
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/* macros */
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/*******************************************/
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//.include "../../ficmacros32.inc" @ for developper debugging
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/*********************************/
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/* Initialized data */
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/*********************************/
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.data
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szMessDebutPgm: .asciz "Program 32 bits start. \n"
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szCarriageReturn: .asciz "\n"
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szMessFinOK: .asciz "Program normal end. \n"
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@ code machine ARM 32 bits
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.align 4
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bCodeArm: .byte 0x02,0x40,0x2D,0xE9 @ push {r1,lr}
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.byte 0x01,0x00,0x80,0xE0 @ add r0,r1
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.byte 0x02,0x80,0xBD,0xE8 @ pop {r1,pc}
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/*********************************/
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/* UnInitialized data */
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/*********************************/
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.bss
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sAreaConv: .skip 24
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.align 4
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/*********************************/
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/* code section */
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/*********************************/
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.text
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.global main
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main:
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ldr r0,iAdrszMessDebutPgm
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bl affichageMess @ start message
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mov r0,#5
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mov r1,#10
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bl addition @ call function
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ldr r1,iAdrsAreaConv @ decimal conversion
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bl conversion10
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ldr r0,iAdrsAreaConv @ display result
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bl affichageMess
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ldr r0,iAdrszCarriageReturn
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bl affichageMess
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ldr r2,iAdrbCodeArm @ code machine arm address
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mov r0,#10
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mov r1,#20
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blx r2 @ call code machine
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ldr r1,iAdrsAreaConv @ decimal conversion
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bl conversion10
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ldr r0,iAdrsAreaConv @ display result
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bl affichageMess
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ldr r0,iAdrszCarriageReturn
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bl affichageMess
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ldr r0,iAdrszMessFinOK
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bl affichageMess
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100:
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mov r7,#EXIT @ program end
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svc #0 @ system call
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iAdrszMessDebutPgm: .int szMessDebutPgm
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iAdrszMessFinOK: .int szMessFinOK
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iAdrszCarriageReturn: .int szCarriageReturn
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iAdrsAreaConv: .int sAreaConv
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iAdrbCodeArm: .int bCodeArm
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/******************************************************************/
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/* add two registers */
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/******************************************************************/
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/* r0 contains value 1 */
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/* r1 contains value 2 */
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addition:
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push {r1,lr} @ save registers
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add r0,r1
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100:
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pop {r1,pc}
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/***************************************************/
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/* ROUTINES INCLUDE */
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/***************************************************/
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.include "../affichage.inc"
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