Document print_al

diff --git a/boot.asm b/boot.asm
index 3b23d5830ce6c39f01eedfca10189fd1dbd41479..6c7d3bfb352f1270de08b4f8497d9b5c83a6d77c 100644 (file)
--- a/boot.asm
+++ b/boot.asm
@@ -5,9 +5,9 @@ call boot
 
 ; Print AL register
 print_al:
-       mov ah, 0x0e
-       mov bh, 0x00
-       mov bl, 0x07
+       mov ah, 0x0e ; TTY output
+       mov bh, 0x00 ; Page 0
+       mov bl, 0x07 ; Color: Light grey on black background
        int 0x10
 
        ret