From 47e691cb0b7a49a797c622b6c79162428358fbe1 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Tue, 19 Jun 2018 00:54:43 -0400
Subject: Implement builtin terminal commands * Reboot * Exit * Echo

---
 builtin_echo.asm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 builtin_echo.asm

(limited to 'builtin_echo.asm')

diff --git a/builtin_echo.asm b/builtin_echo.asm
new file mode 100644
index 0000000..1b4af89
--- /dev/null
+++ b/builtin_echo.asm
@@ -0,0 +1,20 @@
+%ifndef _BUILTIN_ECHO_ASM
+%define _BUILTIN_ECHO_ASM
+
+builtin_echo:
+	push bp
+	mov bp, sp
+
+	mov bx, word [bp + 4]
+	add bx, 2
+	push word [bx]
+	push .msg_fmt
+	call printf
+	add sp, 2 * 2
+
+	mov sp, bp
+	pop bp
+	ret
+	.msg_fmt db '%s\n', 0
+
+%endif
-- 
cgit