基于8086的16X16点阵显示程序Proteus仿真图 -

IOY0 EQU 0C400H ;片选第一片8255的地址
IOY1 EQU 0C440H ;片选第二片8255的地址
O8255_A EQU IOY0+00*2 ;第一片8255的地址的A口
O8255_B EQU IOY0+01*2 ;第一片8255的地址的B口
O8255_C EQU IOY0+10*2 ;第一片8255的地址的C口
O8255_MODE EQU IOY0+11*2 ;第一片8255的地址的控制字寄存器
T8255_A EQU IOY1+00*2 ;第二片8255的地址的A口
T8255_B EQU IOY1+01*2 ;第二片8255的地址的B口
T8255_C EQU IOY1+10*2 ;第二片8255的地址的C口
T8255_MODE EQU IOY1+11*2 ;第二片8255的地址的控制字寄存器
DATAS SEGMENT
;此处输入数据段代码
COUNT1 DB 00H
COUNT2 DB 01H
TAB DB 08H,02H,18H,02H,0C8H,3FH,14H,02H,32H,02H,11H,02H,0E8H,7FH,08H,08H
DB 0CH,08H,0EAH,7FH,08H,08H,88H,08H,88H,08H,08H,08H,08H,0AH,08H,04H ;待
DB 08H,00H,08H,1FH,08H,11H,7FH,11H,08H,11H,08H,11H,1CH,11H,2CH,11H
DB 2AH,11H,0AH,11H,89H,10H,88H,50H,48H,50H,48H,50H,28H,60H,08H,00H ;机
DB 00H,01H,00H,01H,3FH,01H,0A0H,7FH,0A1H,20H,52H,12H,14H,02H,08H,02H
DB 18H,02H,18H,06H,24H,05H,24H,09H,82H,18H,61H,70H,1CH,20H,00H,00H ;欢
DB 02H,00H,84H,01H,6CH,3EH,24H,22H,20H,22H,20H,22H,27H,22H,24H,22H
DB 0A4H,22H,64H,2AH,24H,12H,04H,02H,04H,02H,0AH,00H,0F1H,7FH,00H,00H ;迎
DB 80H,08H,82H,08H,84H,08H,0ECH,3FH,84H,08H,80H,08H,80H,08H,0EFH,7FH
DB 88H,08H,88H,08H,48H,08H,48H,08H,28H,08H,14H,00H,0E2H,7FH,00H,00H ;进
DB 30H,00H,60H,00H,40H,00H,80H,00H,0C0H,00H,40H,01H,40H,01H,20H,02H
DB 20H,04H,10H,04H,10H,08H,08H,10H,04H,70H,02H,20H,01H,00H,00H,00H ;入
DB 00H,3EH,0FCH,01H,40H,04H,20H,04H,10H,02H,0F8H,01H,0C0H,04H,30H,08H
DB 0FCH,1FH,08H,31H,20H,05H,10H,09H,08H,11H,04H,21H,42H,21H,80H,00H ;系
DB 08H,02H,08H,04H,0C4H,7FH,04H,02H,22H,02H,1FH,11H,90H,20H,0C8H,7FH
DB 04H,29H,3EH,09H,00H,09H,00H,09H,0B8H,48H,87H,48H,40H,70H,20H,00H ;统
DB 00H,00H,00H,00H,00H,00H,00H,00H,08H,00H,08H,00H,08H,00H,08H,00H
DB 08H,00H,08H,00H,08H,00H,08H,00H,08H,00H,00H,00H,08H,00H,00H,00H ;！
DB 0FEH,3FH,80H,00H,80H,00H,0F8H,0FH,88H,08H,88H,08H,0F8H,0FH,88H,08H
DB 88H,08H,88H,08H,0FFH,7FH,08H,08H,08H,08H,08H,08H,08H,0AH,08H,04H ;再
DB 0F8H,0FH,08H,08H,08H,08H,88H,08H,88H,08H,88H,08H,88H,08H,88H,08H
DB 48H,09H,40H,01H,20H,01H,20H,21H,10H,21H,0CH,61H,03H,3EH,00H,00H ;见
DATAS ENDS
STACKS SEGMENT
;此处输入堆栈段代码
N1 DB 100 DUP(?)
STACKS ENDS
CODES SEGMENT
ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
MOV AX,DATAS
MOV DS,AX
MOV DX,O8255_MODE
MOV AL,81H
OUT DX,AL ;第一片8255方式选择
MOV DX,T8255_MODE
MOV AL,80H
OUT DX,AL ;第二片8255方式选择
MOV CX,0
CALL C1
X: CALL C2
MOV SI,0000H ;指针赋值0
MOV AH,2 ;显示“待机”
JMP X0
Y: CALL C2
MOV AH,7 ;显示“欢迎进入系统”
MOV SI,0040H
MOV DI,SI
JMP X0
Z: CALL C2
MOV AH,2 ;显示“再见”
MOV SI,0120H
MOV DI,SI
X0: PUSH CX
MOV BX,1024 ;整体循环1024次
X1: PUSH BX
MOV BH,COUNT1 ;初始化
MOV BL,COUNT2
CLC ;CF位清零
RER: MOV CX,16 ;循环次数
MOV SI,DI ;指向原来的位置
LOOP1:
MOV DX,T8255_A ;清除列
MOV AL,00H
OUT DX,AL
MOV DX,T8255_B
MOV AL,00H
OUT DX,AL
CALL FI
INC SI ;指针再次加1
RCL BL,1 ;每次循环向左移动1位
RCL BH,1 ;连带CF位一同左移1位
DEC CX ;循环次数减1
CMP CX,0 ;循环次数大于0，就继续循环
JNZ LOOP1
POP BX ;第二重循环计数
DEC BX
CMP BX,0
JNZ X1
LOOP3:
POP CX ;第三重循环，控制显示哪些字
INC CX
MOV DI,SI
CMP CL,AH
JNZ X0 ;显示程序结束
MOV DI,0000H
MOV AH,0
MOV CX,0
CALL C1
MOV AH,4CH
INT 21H
C1: MOV DX,O8255_C ;读取C口状态
IN AL,DX
CMP AL,0EH ;判断按下的是第几个按键，依次跳转
JZ X
CMP AL,0DH
JZ Y
CMP AL,0BH
JZ Z
O: MOV DX,O8255_C ;初始化键盘扫描输入
PUSH AX
MOV AL,0FH
OUT DX,AL
POP AX
JMP C1
RET
C2: MOV DX,O8255_C ;对数码管的输出
PUSH AX
CALL C3
OUT DX,AL
POP AX
RET
C3: CMP AL,0EH ;数码管输出变量
JZ M1
CMP AL,0DH
JZ M2
CMP AL,0BH
JZ M3
M1: MOV AL,17H
RET
M2: MOV AL,27H
RET
M3: MOV AL,37H
RET
FI: MOV DX,O8255_A ;循环行扫描
MOV AL,BL
OUT DX,AL
MOV DX,O8255_B
MOV AL,BH
OUT DX,AL
LOOP2:
MOV DX,T8255_A ;循环列扫描
MOV AL,TAB[SI]
OUT DX,AL
INC SI ;指针加1，指向下一个数据
MOV DX,T8255_B
MOV AL,TAB[SI]
OUT DX,AL
RET
CODES ENDS
END START

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