Added read_line function

console.asm

@@ -0,0 +1,32 @@
+; Reads a line from the keyboard and fills the specified buffer with it
+; Does not support Shift or any other special keys
+; Argument: r1 - pointer to the buffer
+; Returns the pointer to the same buffer
+; Clobbers r2, r3 and r4
+pub read_line:
+	
+	mov r4, 0 ; Storing the last key here, so we don't repeat the same key
+	mov r2, r1 ; Saving the buffer pointer for return
+	mov r3, r1 ; The pointer to after the last character
+	
+	read_line_keyloop:
+		keyboard r1
+		
+		cmp r1, r4
+		je read_line_keyloop ; If the current key is same as previous, we loop
+		mov r4, r1 ; Storing current key as previous
+		
+		cmp r1, 0x100
+		jbe read_line_keyloop ; If the key was up, we loop
+		xor r1, r1, 0x100 ; We remove the "down" bit
+		
+		cmp r1, 10 ; Was the key Enter?
+		je read_line_finished ; If so, we're finished
+		
+		store_8 [r3], r1 ; Else, we store the key in the buffer
+		add r3, r3, 1 ; We advance forward
+		jmp read_line_keyloop
+	read_line_finished:
+		store_8 [r3], zr ; We store null at the end so the string is finished
+		mov r1, r2 ; Recovering the buffer pointer
+		jmp r13

stdlib.asm

@@ -22,4 +22,5 @@
 ; ===== TYPES =====
 
 pub include bit
-pub include imath
+pub include imath
+pub include console