From 76c40b5dc0049958940647c41a1c19b9d522c133 Mon Sep 17 00:00:00 2001
From: Tee-Kiah Chia <tkchia@users.noreply.github.com>
Date: Fri, 21 Jan 2022 21:06:33 +0000
Subject: [PATCH] plat/msdos86: add unlink( )

---
 plat/msdos86/libsys/unlink.s | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 plat/msdos86/libsys/unlink.s

diff --git a/plat/msdos86/libsys/unlink.s b/plat/msdos86/libsys/unlink.s
new file mode 100644
index 000000000..912f6958d
--- /dev/null
+++ b/plat/msdos86/libsys/unlink.s
@@ -0,0 +1,23 @@
+#
+! $Source$
+! $State$
+! $Revision$
+
+! Declare segments (the order is important).
+
+.sect .text
+.sect .rom
+.sect .data
+.sect .bss
+
+.sect .text
+
+! Remove a file.
+
+.define _unlink
+_unlink:
+	mov bx, sp
+	mov dx, 2(bx)
+	movb ah, 0x41
+	int 0x21
+	jmp .sys_zret