From 11a24bb062911ede0fb9fed0ef536bdfcef92cc1 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Sun, 3 Dec 2017 11:49:02 -0500
Subject: Add disk_info

---
 disk.asm | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'disk.asm')

diff --git a/disk.asm b/disk.asm
index 2a10b35..bc588f6 100644
--- a/disk.asm
+++ b/disk.asm
@@ -1,6 +1,35 @@
 %ifndef _DISK_ASM
 %define _DISK_ASM
 
+%include "stdio.asm"
+
+disk_info:
+	push bp
+	mov bp, sp
+
+	xor dx, dx
+	mov ah, 41h
+	mov bx, 55aah
+	mov dl, [bp + 4]	; drive number {80h..ffh}
+	int 13h
+	jc .return
+
+	shr ax, 8
+	push dx
+	push cx
+	push ax
+	push disk_info_fmt
+	call printf
+	add sp, 6
+.return:
+	mov sp, bp
+	pop bp
+	ret
+
+
+disk_info_fmt: db 'HDD(%c): INT 13h Ext: %x (%x)', CR, 0
+
+
 disk_lba_chs:
 	push bp
 	mov bp, sp
-- 
cgit