Support for new Operating System

2018-03-09 10:56:13 -05:00
parent a46970f070
commit 6b4a5039a6
1 changed files with 22 additions and 0 deletions
--- a/a/assembler_bootsect.asm
+++ b/a/assembler_bootsect.asm
@@ -0,0 +1,22 @@
+[ORG	0x7C00]
+
+	mov	si,HelloWorld
+	call	print_string
+
+	jmp	$
+	
+	HelloWorld	db	"Hello world!",0xD,0xA,0
+	
+print_string:
+	mov	ah,0xE
+.repeat:
+	lodsb
+	cmp	al,0
+	je	.done
+	int	0x10
+	jmp	.repeat
+.done:
+	ret
+	
+	times	510-($-$$)	db	0
+	dw	0xAA55