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Boolean values: Difference between revisions
add task for arm assembly Raspberry
(add task for arm assembly Raspberry) |
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HELLO</pre>
=={{header|ARM Assembly}}==
{{works with|as|Raspberry Pi}}
<lang ARM Assembly>
/* ARM assembly Raspberry PI */
/* program areaString.s */
/* Constantes */
@ The are no TRUE or FALSE constants in ARM Assembly
.equ FALSE, 0 @ or other value
.equ TRUE, 1 @ or other value
.equ STDOUT, 1 @ Linux output console
.equ EXIT, 1 @ Linux syscall
.equ WRITE, 4 @ Linux syscall
/* Initialized data */
.data
szMessTrue: .asciz "The value is true.\n"
szMessFalse: .asciz "The value is false.\n"
/* UnInitialized data */
.bss
/* code section */
.text
.global main
main: /* entry of program */
push {fp,lr} /* saves 2 registers */
mov r0,#0
//mov r0,#1 @uncomment pour other test
cmp r0,#TRUE
bne 1f
@ value true
ldr r0,iAdrszMessTrue
bl affichageMess
b 100f
1: @ value False
ldr r0,iAdrszMessFalse
bl affichageMess
100: /* standard end of the program */
mov r0, #0 @ return code
pop {fp,lr} @restaur 2 registers
mov r7, #EXIT @ request to exit program
swi 0 @ perform the system call
iAdrszMessTrue: .int szMessTrue
iAdrszMessFalse: .int szMessFalse
/******************************************************************/
/* display text with size calculation */
/******************************************************************/
/* r0 contains the address of the message */
affichageMess:
push {fp,lr} /* save registres */
push {r0,r1,r2,r7} /* save others 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" */
swi #0 /* call systeme */
pop {r0,r1,r2,r7} /* restaur others registers */
pop {fp,lr} /* restaur des 2 registres */
bx lr /* return */
</lang>
=={{header|AutoHotkey}}==
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