biosdata.inc

来自「This is a program that I wrote many year」· INC 代码 · 共 20 行

;************************************************************************
; Video BIOS Data Area Locations                                        *
;************************************************************************

BIOS_Mode       EQU     449H            ;Location of current mode
BIOS_Scrn_page  EQU     462H            ;Current display page
BIOS_CRT_Addr   EQU     463H            ;Address of CRT controller
BIOS_Rows       EQU     484H            ;Number of text rows
BIOS_Columns    EQU     44AH            ;Number of text columns
BIOS_Height     EQU     485H            ;Character height
BIOS_Page_Size  EQU     44CH            ;Number of bytes in one page
BIOS_Curs_Mode  EQU     460H            ;Cursor start and end
BIOS_Equipment  EQU     487H            ;Type of equipment in system
BIOS_Switch     EQU     488H            ;Configuration switches
BIOS_Curs_Pos   EQU     450H            ;Current cursor address
BIOS_Curs_Start EQU     460H            ;Current cursor shape
BIOS_Curs_Stop  EQU     461H
BIOS_time	EQU	46ch		;current time