asm stuff

Signed-off-by: lucasew <[email protected]>

Author: lucasew

assembly/.gitignore

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+exe_*
+*.o

assembly/build

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+#!/usr/bin/env bash
+
+nasm -felf64 $1.asm -g
+gcc $1.o -o exe_$1

assembly/print_vec.asm

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+; vim:ft=asm
+
+segment .data
+virgula db ", ", 0
+nl db 10, 0
+fmt db "%i", 0
+
+vetor dq 1, 2, 3, 4, 5, 6, 7, 8, 9, 0
+
+segment .text
+
+extern printf
+global main
+
+
+main:
+    mov r12, 0 ; indice
+    jmp _body
+_virgula:
+    push rbp
+    mov rdi, virgula
+    ; xor rsi, rsi
+    mov rax, 0
+    call printf
+    pop rbp
+_body:
+    mov rsi, [vetor+r12*8]
+    push rbp
+    mov rdi, fmt
+    mov rax, 0
+    call printf
+    pop rbp
+
+    add r12, 1
+    mov rsi, [vetor+r12*8]
+    cmp rsi, 0
+    je _end
+
+    jmp _virgula
+
+_end:
+    push rbp
+    mov rdi, nl
+    mov rax, 0
+    call printf
+    pop rbp
+
+    mov rax, 0
+    ret