Assembly/008-fibonacci.s
Ahmet Kaan GÜMÜŞ a8360d3b04 feat: print values
feat: take count from user
2024-01-08 15:51:29 +03:00

75 lines
1.1 KiB
ArmAsm

.global _start
.intel_syntax noprefix
.data
count:
.byte 0x00
number:
.byte 0x00
new_line_collector:
.byte 0x00
.text
_start:
//hello world
lea rsi, [text_hello_world]
mov rdx, 13
call printf
lea rsi, [text_how_far_do_you_want_to_go]
mov rdx, 28
call printf
lea rsi, [count]
mov rdx, 1
call scanf
mov r8, 1
mov r9, 0
push bx
loop:
mov bl, 0x30
cmp bl, count
jae exit
dec byte ptr count
add r8, r9
push r9
mov r10, r9
add r10, '0'
mov number, r10
lea rsi, [number]
mov rdx, 1
call printf
xchg r8, r9
jmp loop
//exit
exit:
lea rsi, [text_goodbye]
mov rdx, 9
call printf
mov rax, 60
xor rdi, rdi
syscall
text_hello_world:
.asciz "Hello World\n"
text_how_far_do_you_want_to_go:
.asciz "How Far Do You Want to Go = "
text_goodbye:
.asciz "\nGoodbye\n"
printf:
mov rax, 1
mov rdi, 1
syscall
xor rdi, rdi
ret
scanf:
mov rax, 0
mov rdi, 0
syscall
mov rax, 0
mov rdi, 0
mov rsi, [new_line_collector]
mov rdx, 1
syscall
xor rdi, rdi
ret