45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
;; -----------------------------------------------------------------------
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;;
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;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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;; Boston MA 02111-1307, USA; either version 2 of the License, or
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;; (at your option) any later version; incorporated herein by reference.
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;;
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;; -----------------------------------------------------------------------
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;;
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;; bios.inc
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;;
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;; Header file for the BIOS data structures etc.
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;;
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%ifndef _BIOS_INC
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%define _BIOS_INC
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; Interrupt vectors
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absolute 4*1Ch
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BIOS_timer_hook resd 1
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absolute 4*1Eh
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fdctab equ $
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fdctab1 resw 1
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fdctab2 resw 1
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absolute 0400h
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serial_base resw 4 ; Base addresses for 4 serial ports
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absolute 0413h
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BIOS_fbm resw 1 ; Free Base Memory (kilobytes)
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absolute 0462h
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BIOS_page resb 1 ; Current video page
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absolute 046Ch
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BIOS_timer resw 1 ; Timer ticks
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absolute 0472h
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BIOS_magic resw 1 ; BIOS reset magic
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absolute 0484h
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BIOS_vidrows resb 1 ; Number of screen rows
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%endif ; _BIOS_INC
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