From 3da2af2d2dc97f7dc217d4a03762b2ed96e6c7df Mon Sep 17 00:00:00 2001
From: Elaina Claus <elaina.claus@chtm.me>
Date: Thu, 11 Sep 2025 17:06:35 -0400
Subject: [PATCH] add comments to args passed to vbr

---
 src/mbr/mbr.nasm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/mbr/mbr.nasm b/src/mbr/mbr.nasm
index b8f7f2f..a720bf0 100755
--- a/src/mbr/mbr.nasm
+++ b/src/mbr/mbr.nasm
@@ -146,9 +146,9 @@ main:
         call kmemcpy                            ; copy partition table to bss
         add sp, 0x6
         
-        mov si, word [bp - 4]
-        mov dl, byte [bp - 2]
-        mov bx, partition_table
+        mov si, word [bp - 4]                   ; partition_offset address
+        mov dl, byte [bp - 2]                   ; pass drive # from BIOS to VBR in dl
+        mov bx, partition_table                 ; partition_table address
         jmp word 0x0000:VBR_ENTRY
 
 ; ###############