1 files changed, 47 insertions, 0 deletions
diff --git a/boot/print_string_16.asm b/boot/print_string_16.asm
index 5d8ad5c..92b4ea0 100644
--- a/boot/print_string_16.asm
+++ b/boot/print_string_16.asm
@@ -26,3 +26,50 @@ print_string:
 
     popa			;pop all registers
     ret				;return to caller
+
+print_nextline:
+
+    pusha
+
+    mov ah,0x3
+    mov bh,0	
+    int 0x10
+
+    mov ah,0x2
+    mov bh,0	
+    inc dh
+    mov dl,0
+    int 0x10
+    popa
+    ret
+
+
+;print byte from al to screen
+ print_hex_byte: 
+
+ pusha
+
+   mov [.temp],al
+   shr al,4
+   cmp al,10
+   sbb al,69h
+   das
+ 
+   mov ah,0Eh
+   int 10h
+ 
+   mov al,[.temp]
+   ror al,4
+   shr al,4
+   cmp al,10
+   sbb al,69h
+   das
+ 
+   mov ah,0Eh
+   int 10h
+
+popa
+ 
+   ret
+ 
+ .temp db 0