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Diffstat (limited to 'core/writestr.inc')
| -rw-r--r-- | core/writestr.inc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/core/writestr.inc b/core/writestr.inc new file mode 100644 index 00000000..04ad67a6 --- /dev/null +++ b/core/writestr.inc @@ -0,0 +1,47 @@ +;; ----------------------------------------------------------------------- +;; +;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved +;; +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, Inc., 53 Temple Place Ste 330, +;; Boston MA 02111-1307, USA; either version 2 of the License, or +;; (at your option) any later version; incorporated herein by reference. +;; +;; ----------------------------------------------------------------------- + +;; +;; writestr.inc +;; +;; Code to write a simple string. +;; + + section .text +; +; crlf: Print a newline +; +crlf: push ax + mov al,CR + call writechr + mov al,LF + call writechr + pop ax + ret + +; +; cwritestr: write a null-terminated string to the console, saving +; registers on entry. +; +; Note: writestr and cwritestr are distinct in SYSLINUX (only) +; +cwritestr: + pushfd + pushad +.top: lodsb + and al,al + jz .end + call writechr + jmp short .top +.end: popad + popfd + ret |