diff --git a/.gitignore b/.gitignore
index d964e87..c9cb564 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .asm-lsp.toml
+build
diff --git a/src/main.asm b/src/main.asm
index be56ef2..0b326c3 100644
--- a/src/main.asm
+++ b/src/main.asm
@@ -1,3 +1,19 @@
+SYS_EXIT 	equ 60
+SYS_IOCTL	equ 16
+
+STDOUT		equ 1
+TIOCGWINSZ	equ 0x5413
+
+section .bss
+
+	str_buf: resb 4
+
+section .data
+
 section .text
 global _start
+extern print_str
+extern unsigned_int_to_ascii
 
+_start:
+	
diff --git a/src/str.asm b/src/str.asm
index 90d76c5..902eaeb 100644
--- a/src/str.asm
+++ b/src/str.asm
@@ -1,7 +1,10 @@
 SYS_WRITE equ 1
 STDOUT equ 1
+ASCII_ZERO 	equ 48
 
+section .text
 
+global print_str
 print_str: ; takes pointer to string in rdi and retuns in rax
     push rsi
     push rdx
@@ -22,3 +25,40 @@ print_str: ; takes pointer to string in rdi and retuns in rax
     pop rsi
     ret
 
+global unsigned_int_to_ascii
+unsigned_int_to_ascii: ; takes pointer to array in rdi and value stored in rsi DOES NOT BOUNDS CHECK
+    mov r11, 0
+    mov rcx, 10
+    mov rax, rsi
+
+.count_loop:
+    inc r11
+    cmp rax, 10
+    jl .loop_count_exit
+    xor rdx, rdx
+    div rcx
+    push rdx
+    jmp .count_loop
+
+.loop_count_exit:
+    push rax
+
+    mov rcx, 0
+
+.store_loop: ; basicly for loop
+    cmp rcx, r11
+    jnl .loop_store_exit
+
+    pop rax
+    add rax, ASCII_ZERO
+    mov byte [rdi + rcx], al
+    inc rcx
+
+    jmp .store_loop
+
+.loop_store_exit:
+
+    mov rax, r11
+
+    ret
+