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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Array-concatenation/AArch64-Assembly/array-concatenation.aarch64 Normal file
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/* ARM assembly AARCH64 Raspberry PI 3B */
/* program concAreaString.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
.equ NBMAXITEMS, 20 //
/*******************************************/
/* Initialized data */
/*******************************************/
.data
szMessLenArea: .asciz "The length of area 3 is : @ \n"
szCarriageReturn: .asciz "\n"
/* areas strings */
szString1: .asciz "Apples"
szString2: .asciz "Oranges"
szString3: .asciz "Pommes"
szString4: .asciz "Raisins"
szString5: .asciz "Abricots"
/* pointer items area 1*/
tablesPoi1:
pt1_1: .quad szString1
pt1_2: .quad szString2
ptVoid_1: .quad 0
/* pointer items area 2*/
tablesPoi2:
pt2_1: .quad szString3
pt2_2: .quad szString4
pt2_3: .quad szString5
ptVoid_2: .quad 0
/*******************************************/
/* UnInitialized data */
/*******************************************/
.bss
tablesPoi3: .skip 8 * NBMAXITEMS
sZoneConv: .skip 30
/*******************************************/
/* code section */
/*******************************************/
.text
.global main
main: // entry of program
// copy area 1 -> area 3
ldr x1,qAdrtablesPoi1 // begin pointer area 1
ldr x3,qAdrtablesPoi3 // begin pointer area 3
mov x0,0 // counter
1:
ldr x2,[x1,x0,lsl 3] // read string pointer address item x0 (8 bytes by pointer)
cbz x2,2f // is null ?
str x2,[x3,x0,lsl 3] // no store pointer in area 3
add x0,x0,1 // increment counter
b 1b // and loop
2: // copy area 2 -> area 3
ldr x1,qAdrtablesPoi2 // begin pointer area 2
ldr x3,qAdrtablesPoi3 // begin pointer area 3
mov x4,#0 // counter area 2
3: // x0 contains the first void item in area 3
ldr x2,[x1,x4,lsl #3] // read string pointer address item x0 (8 bytes by pointer)
cbz x2,4f // is null ?
str x2,[x3,x0,lsl #3] // no store pointer in area 3
add x0,x0,1 // increment counter
add x4,x4,1 // increment counter
b 3b // and loop
4:
// count items number in area 3
ldr x1,qAdrtablesPoi3 // begin pointer table
mov x0,#0 // counter
5: // begin loop
ldr x2,[x1,x0,lsl #3] // read string pointer address item x0 (8 bytes by pointer)
cmp x2,#0 // is null ?
cinc x0,x0,ne // no increment counter
bne 5b // and loop
ldr x1,qAdrsZoneConv // conversion decimal
bl conversion10S
ldr x0,qAdrszMessLenArea
ldr x1,qAdrsZoneConv
bl strInsertAtCharInc // insert result at @ character
bl affichageMess
100: // standard end of the program
mov x0,0 // return code
mov x8,EXIT // request to exit program
svc 0 // perform the system call
qAdrtablesPoi1: .quad tablesPoi1
qAdrtablesPoi2: .quad tablesPoi2
qAdrtablesPoi3: .quad tablesPoi3
qAdrszMessLenArea: .quad szMessLenArea
qAdrsZoneConv: .quad sZoneConv
qAdrszCarriageReturn: .quad szCarriageReturn
/****************************************************/
/* File Include fonctions */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"