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Ingy döt Net 2023-08-01 14:30:30 -07:00
parent 07c7092a52
commit 61b93a2cd1
313 changed files with 6160 additions and 346 deletions
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Task/Filter/ARM-Assembly/filter.arm Normal file
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/* ARM assembly Raspberry PI */
/* program filterdes.s */
/************************************/
/* Constantes */
/************************************/
/* for constantes see task include a file in arm assembly */
.include "../constantes.inc"
/************************************/
/* Initialized data */
/************************************/
.data
szMessResult: .asciz "Start array : "
szMessResultFil: .asciz "Filter array : "
szMessResultdest: .asciz "Same array : "
szMessStart: .asciz "Program 32 bits start.\n"
szCarriageReturn: .asciz "\n"
.align 4
arrayNumber: .int 1,2,3,4,5,6,7,8,9,10
.equ LGARRAY, (. - arrayNumber) / 4
/************************************/
/* UnInitialized data */
/************************************/
.bss
.align 4
arrayNumberFil: .skip 4 * LGARRAY @ result array
sZoneConv: .skip 24
/************************************/
/* code section */
/************************************/
.text
.global main
main:
ldr r0,iAdrszMessStart @ display start message
bl affichageMess
ldr r0,iAdrszMessResult @ display message
bl affichageMess
ldr r5,iAdrarrayNumber @ start array address
mov r4,#0 @ index
1:
ldr r0,[r5,r4,lsl #2] @ load a value
ldr r1,iAdrsZoneConv
bl conversion10 @ décimal conversion
add r1,r1,r0 @ compute address end number
add r1,#2 @ add two characters
mov r0,#0 @ for limit the size of display number
strb r0,[r1] @ to store a final zero
ldr r0,iAdrsZoneConv
bl affichageMess @ display value
add r4,r4,#1 @ increment index
cmp r4,#LGARRAY @ end array ?
blt 1b @ no -> loop
ldr r0,iAdrszCarriageReturn
bl affichageMess
ldr r6,iAdrarrayNumberFil @ adrress result array
mov r4,#0 @ index
mov r3,#0 @ index result
2:
ldr r0,[r5,r4,lsl #2] @ load a value
tst r0,#1 @ odd ?
streq r0,[r6,r3,lsl #2] @ no -> store in result array
addeq r3,r3,#1 @ and increment result index
add r4,r4,#1 @ increment array index
cmp r4,#LGARRAY @ end ?
blt 2b @ no -> loop
ldr r0,iAdrszMessResultFil
bl affichageMess
mov r4,#0 @ init index
3: @ display filter result array
ldr r0,[r6,r4,lsl #2]
ldr r1,iAdrsZoneConv
bl conversion10
add r1,r1,r0
add r1,#2
mov r0,#0
strb r0,[r1]
ldr r0,iAdrsZoneConv
bl affichageMess
add r4,r4,#1
cmp r4,r3
blt 3b
ldr r0,iAdrszCarriageReturn
bl affichageMess
@ array destruction
mov r4,#0 @ index
mov r3,#0 @ index result
4:
ldr r0,[r5,r4,lsl #2] @ load a value
tst r0,#1 @ even ?
bne 6f
cmp r3,r4 @ index = no store
beq 5f
str r0,[r5,r3,lsl #2] @ store in free item on same array
5:
add r3,r3,#1 @ and increment result index
6:
add r4,r4,#1 @ increment array index
cmp r4,#LGARRAY @ end ?
blt 4b @ no -> loop
ldr r0,iAdrszMessResultdest
bl affichageMess
mov r4,#0 @ init index
7: @ display array
ldr r0,[r5,r4,lsl #2]
ldr r1,iAdrsZoneConv
bl conversion10
add r1,r1,r0
add r1,#2
mov r0,#0
strb r0,[r1]
ldr r0,iAdrsZoneConv
bl affichageMess
add r4,r4,#1
cmp r4,r3
blt 7b
ldr r0,iAdrszCarriageReturn
bl affichageMess
100: @ standard end of the program
mov r0, #0 @ return code
mov r7, #EXIT @ request to exit program
svc 0 @ perform the system call
iAdrszCarriageReturn: .int szCarriageReturn
iAdrszMessStart: .int szMessStart
iAdrarrayNumber: .int arrayNumber
iAdrszMessResult: .int szMessResult
iAdrarrayNumberFil: .int arrayNumberFil
iAdrszMessResultFil: .int szMessResultFil
iAdrszMessResultdest: .int szMessResultdest
iAdrsZoneConv: .int sZoneConv
/***************************************************/
/* ROUTINES INCLUDE */
/***************************************************/
/* for this file see task include a file in language ARM assembly*/
.include "../affichage.inc"