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Singly-linked list/Element definition: Difference between revisions
Singly-linked list/Element definition (view source)
Revision as of 14:09, 1 August 2019
, 4 years agoAdd task to ARM assembly Raspberry pi
(Add task to ARM assembly Raspberry pi) |
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Line 161:
head := ListI( 1701, ListI( 9000, ListI( 42, ListI( 90210, null ) ) ) );</lang>
=={{header|ARM Assembly}}==
{{works with|as|Raspberry Pi}}
<lang ARM Assembly>
/* ARM assembly Raspberry PI */
/* program defList.s */
/* Constantes */
.equ STDOUT, 1 @ Linux output console
.equ EXIT, 1 @ Linux syscall
.equ READ, 3
.equ WRITE, 4
.equ NBELEMENTS, 100 @ list size
/*******************************************/
/* Structures */
/********************************************/
/* structure linkedlist*/
.struct 0
llist_next: @ next element
.struct llist_next + 4
llist_value: @ element value
.struct llist_value + 4
llist_fin:
/* Initialized data */
.data
szMessInitListe: .asciz "List initialized.\n"
szCarriageReturn: .asciz "\n"
/* datas error display */
szMessErreur: .asciz "Error detected.\n"
/* UnInitialized data */
.bss
lList1: .skip llist_fin * NBELEMENTS @ list memory place
/* code section */
.text
.global main
main:
ldr r0,iAdrlList1
mov r1,#0
str r1,[r0,#llist_next]
ldr r0,iAdrszMessInitListe
bl affichageMess
100: @ standard end of the program
mov r7, #EXIT @ request to exit program
svc 0 @ perform system call
iAdrszMessInitListe: .int szMessInitListe
iAdrszMessErreur: .int szMessErreur
iAdrszCarriageReturn: .int szCarriageReturn
iAdrlList1: .int lList1
/******************************************************************/
/* display text with size calculation */
/******************************************************************/
/* r0 contains the address of the message */
affichageMess:
push {r0,r1,r2,r7,lr} @ save registers
mov r2,#0 @ counter length */
1: @ loop length calculation
ldrb r1,[r0,r2] @ read octet start position + index
cmp r1,#0 @ if 0 its over
addne r2,r2,#1 @ else add 1 in the length
bne 1b @ and loop
@ so here r2 contains the length of the message
mov r1,r0 @ address message in r1
mov r0,#STDOUT @ code to write to the standard output Linux
mov r7, #WRITE @ code call system "write"
svc #0 @ call system
pop {r0,r1,r2,r7,lr} @ restaur registers
bx lr @ return
</lang>
=={{header|AutoHotkey}}==
<lang AutoHotkey>element = 5 ; data
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