| ;; ----------------------------------------------------------------------- |
| ;; |
| ;; 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 |
| |
| ; 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 |
