diff options
Diffstat (limited to 'contrib/syslinux-4.02/core/bios.inc')
| -rw-r--r-- | contrib/syslinux-4.02/core/bios.inc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/core/bios.inc b/contrib/syslinux-4.02/core/bios.inc new file mode 100644 index 0000000..33a3cd4 --- /dev/null +++ b/contrib/syslinux-4.02/core/bios.inc @@ -0,0 +1,45 @@ +;; ----------------------------------------------------------------------- +;; +;; 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. +;; +;; ----------------------------------------------------------------------- + +;; +;; bios.inc +;; +;; Header file for the BIOS data structures etc. +;; + +%ifndef _BIOS_INC +%define _BIOS_INC + global BIOS_fbm, BIOS_timer + + ; Interrupt vectors + absolute 4*1Ch +BIOS_timer_hook resd 1 + + absolute 4*1Eh +fdctab equ $ +fdctab1 resw 1 +fdctab2 resw 1 + + absolute 0400h +serial_base resw 4 ; Base addresses for 4 serial ports + absolute 0413h +BIOS_fbm resw 1 ; Free Base Memory (kilobytes) + absolute 0462h +BIOS_page resb 1 ; Current video page + absolute 046Ch +BIOS_timer resw 1 ; Timer ticks + absolute 0472h +BIOS_magic resw 1 ; BIOS reset magic + absolute 0484h +BIOS_vidrows resb 1 ; Number of screen rows + +%endif ; _BIOS_INC |