/* ARM assembly AARCH64 Raspberry PI 3B */
/* program crehtml64.s */
/*******************************************/
/* Constantes */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
.equ MAXILINE, 5
.equ MAXIRANDOMNUMBER, 3
/*********************************/
/* Initialized data */
/*********************************/
.data
szMessDebutPgm: .asciz "Program 64 bits start. \n"
szRetourLigne: .asciz "\n"
szMessFinOK: .asciz "Program normal end. \n"
szMessErreur: .asciz "Error !!!\n"
szarrayheader: .asciz "\n"
szLine1: .asciz " | X | Y | Z |
|---|
\n"
szDebLine: .asciz "| "
szEndLine: .asciz " |
\n"
szEndCol: .asciz ""
.align 4
qGraine: .quad 1234567 // seed for number random
/*********************************/
/* UnInitialized data */
/*********************************/
.bss
sZoneConv: .skip 24
.align 4
/*********************************/
/* code section */
/*********************************/
.text
.global main
main:
ldr x0,qAdrszMessDebutPgm
bl affichageMess // start message
ldr x0,qAdrszarrayheader
bl affichageMess
ldr x0,qAdrszLine1
bl affichageMess
mov x4,#1 // line counter
1: // begin line loop
ldr x0,qAdrszDebLine
bl affichageMess
mov x0,x4 // convert line to décimal
ldr x1,qAdrsZoneConv
bl conversion10
mov x2,#0 // add final zero
strb w2,[x1,x0]
ldr x0,qAdrsZoneConv // and display N° line
bl affichageMess
ldr x0,qAdrszEndCol
bl affichageMess
mov x5,#0 // random number counter
2:
mov x0,#10000 // limit random number
bl genereraleas // call random
ldr x1,qAdrsZoneConv // conversion to décimal
bl conversion10
mov x2,#0 // add final zero
strb w2,[x1,x0]
ldr x0,qAdrsZoneConv // and display random number
bl affichageMess
ldr x0,qAdrszEndCol
bl affichageMess
add x5,x5,#1 // increment counter
cmp x5,#MAXIRANDOMNUMBER // and loop
blt 2b
ldr x0,qAdrszEndLine
bl affichageMess
add x4,x4,#1 // increment line counter
cmp x4,#MAXILINE // and loop
blt 1b
ldr x0,qAdrszarrayend
bl affichageMess
ldr x0,qAdrszMessFinOK
bl affichageMess
b 100f
99:
ldr x0,qAdrszMessErreur // error
bl affichageMess
mov x0, #1 // return code error
b 100f
100:
mov x8,EXIT
svc #0 // system call
qAdrszMessDebutPgm: .quad szMessDebutPgm
qAdrszMessFinOK: .quad szMessFinOK
qAdrszMessErreur: .quad szMessErreur
qAdrsZoneConv: .quad sZoneConv
qAdrszarrayheader: .quad szarrayheader
qAdrszLine1: .quad szLine1
qAdrszDebLine: .quad szDebLine
qAdrszEndCol: .quad szEndCol
qAdrszEndLine: .quad szEndLine
qAdrszarrayend: .quad szarrayend
/***************************************************/
/* Generation random number */
/***************************************************/
/* x0 contains limit */
genereraleas:
stp x1,lr,[sp,-16]! // save registers
stp x2,x3,[sp,-16]! // save registers
ldr x1,qAdrqGraine
ldr x2,[x1]
ldr x3,qNbDep1
mul x2,x3,x2
ldr x3,qNbDep2
add x2,x2,x3
str x2,[x1] // maj de la graine pour l appel suivant
cmp x0,#0
beq 100f
udiv x3,x2,x0
msub x0,x3,x0,x2 // résult = remainder
100: // end function
ldp x2,x3,[sp],16 // restaur 2 registers
ldp x1,lr,[sp],16 // restaur 2 registers
ret // return to address lr x30
qAdrqGraine: .quad qGraine
qNbDep1: .quad 0x0019660d
qNbDep2: .quad 0x3c6ef35f
/***************************************************/
/* ROUTINES INCLUDE */
/***************************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeARM64.inc"
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