基于8086的16位键盘操作系统仿真设计-设计资料

Posted 2021-05-23 Mr song song

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;各种地址
nCS5		EQU	0DE28H
PA8255		EQU	nCS5+0
PB8255		EQU	nCS5+2
PC8255		EQU	nCS5+4
CTL8255		EQU nCS5+6
DISPBUFF	EQU 3000H
;按键抖动时间	
KeyShock	EQU	06FFFH
	
DATAS SEGMENT
    ;此处输入数据段代码 
	;数码管段码		0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F		
	SegCode		DB	3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,77H,7CH,39H,5EH,79H,71H

	;矩阵键盘按键码	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
	KeyCode		DB	11H,21H,41H,81H,12H,22H,42H,82H,14H,24H,44H,84H,18H,28H,48H,88H 
DATAS ENDS

STACKS SEGMENT
    ;此处输入堆栈段代码
STACKS ENDS

CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
    MOV AX,DATAS
    MOV DS,AX