Adds print(), puts()

src/console.asm

@@ -1 +1,47 @@
 %include "src/constants.asm"
+
+extern	strlen
+
+section .rodata
+	mNL	db	NL
+section .text
+	global	print
+	global	puts
+
+;----- print(*str[]) -----;
+; Prints given string to the console to stdout
+; Return value: Amount of printed characters
+; Used registers:
+;	rax*	syscall >> (ret) amount of printed characters
+;	rdi*	(arg) Pointer to str[] >> syscall arg (fd)
+;	rsi*	syscall arg (pointer to str[])
+;	rdx*	syscall arg (length of str[])
+print:
+	sub	rsp, SIZE_QWORD
+	mov	rsi, rdi
+	call	strlen
+	mov	rdx, rax
+	mov	rax, NR_write
+	mov	rdi, FD_stdout
+	syscall
+	add	rsp, SIZE_QWORD
+	ret
+
+;----- puts(*str[]) -----;
+; Prints given string to the console to stdout and prints a new line
+; Return value: Amount of printed characters
+; Used registers:
+;
+puts:
+	sub	rsp, SIZE_QWORD
+	call	print
+	mov	rsi, mNL
+	mov	r10, rax
+	mov	rax, NR_write
+	mov	rdi, FD_stdout
+	mov	rdx, 1
+	syscall
+	mov	rax, r10
+	inc	rax
+	add	rsp, SIZE_QWORD
+	ret