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+;; -----------------------------------------------------------------------
+;;
+;; 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
+
+ absolute 4*1Eh ; In the interrupt table
+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