微机原理 8086、8088几个题目 汇编语言 微机原理期末考试题【汇编语言】
\u6c42\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5fae\u673a\u539f\u7406\uff0c8086\u6c47\u7f16\u8bed\u8a00\uff0c\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u5b9e\u7528\u529f\u80fd\uff0c\u5982\u65f6\u949f\u663e\u793a;\u6c42\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5fae\u673a\u539f\u7406\uff0c8086\u6c47\u7f16\u8bed\u8a00\uff0c\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u5b9e\u7528\u529f\u80fd\uff0c\u5982\u65f6\u949f\u663e\u793a
;
;\u5728\u53f3\u4e0a\u89d2\u663e\u793a\u65f6\u949f,\u6309\u4efb\u4e00\u952e\u7ed3\u675f
;\u7528MASM5.0\u7f16\u8bd1\u901a\u8fc7.
data segment
HH DB 0,0,':'
MM DB 0,0,':'
SS1 DB 0,0
data ends
code segment
main proc far
assume cs:code
start:
push ds
mov ax,0
push ax
mov ax,data
mov ds,ax
AGAIN:
mov ah,2ch ;\u8bfb\u53d6\u7cfb\u7edf\u65f6\u95f4 CH\uff1aCL--\u65f6\uff1a\u5206 DH\uff1aDL--\u79d2\uff1a\u767e\u5206\u79d2
int 21h
MOV BX ,OFFSET HH
MOV AL,CH
CALL C16_10 ;\u8f6c\u6362AL\u4e2d16\u8fdb\u5236\u4e3a10\u8fdb\u5236,\u5e76\u586b\u5165\u76f8\u5e94\u4f4d\u7f6e
MOV BX ,OFFSET MM
MOV AL,CL ;\u5206
CALL C16_10
MOV BX ,OFFSET SS1
MOV AL,DH ;\u79d2
CALL C16_10
MOV AH,2 ;\u5149\u6807\u5b9a\u4f4d
MOV DH,0 ;\u9996\u884c
MOV DL,70 ;70\u5217
MOV BH,0
INT 10H
MOV CX,8
MOV SI,OFFSET HH
NN1:
MOV AH,0EH ;\u7535\u4f20\u65b9\u5f0f\u5199\u5b57\u7b26(\u4e00\u6b211\u4e2a)
MOV AL,[SI]
MOV BL,0
INT 10H
INC SI
LOOP NN1
MOV AH,1
INT 16H
JNZ DOWN ;\u6309\u4efb\u4e00\u952e\u7ed3\u675f
JMP AGAIN
DOWN:
RET
main endp
;============
C16_10 PROC NEAR
PUSH CX ;\u5c06AL\u4e2d\u768416\u8fdb\u5236\u8f6c\u4e3a10\u8fdb\u5236
MOV AH,0
MOV CX,10D
DIV CL
ADD AX,3030H
MOV [BX],AL
INC BX
MOV [BX],AH
POP CX
RET
C16_10 ENDP
;=============
code ends
end start
\u9996\u5148\u6211\u4eec\u5206\u6790\u4e00\u4e0b\u6253\u5370\u673a\u7684\u5de5\u4f5c\u3002\u5fae\u578b\u6253\u5370\u673a\u548c\u4e3b\u673a\u4e4b\u95f4\u7684\u63a5\u53e3\u91c7\u7528\u5e76\u884c\u63a5\u53e3\u3002
\u5b83\u7684\u5de5\u4f5c\u6d41\u7a0b\uff1a\u4e3b\u673a\u5c06\u8981\u6253\u5370\u7684\u6570\u636e\u9001\u4e0a\u6570\u636e\u7ebf\uff0c\u7136\u540e\u53d1\u9009\u901a\u4fe1\u53f7\u3002\u6253\u5370\u673a\u5c06\u6570\u636e\u8bfb\u5165\uff0c\u540c\u65f6\u4f7fBUSY\u7ebf\u4e3a\u9ad8\uff0c\u901a\u77e5\u4e3b\u673a\u505c\u6b62\u9001\u6570\u3002\u8fd9\u65f6\uff0c\u6253\u5370\u673a\u5185\u90e8\u5bf9\u8bfb\u5165\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406\u3002\u5904\u7406\u5b8c\u4ee5\u540e\u4f7fACK\u6709\u6548\uff0c\u540c\u65f6\u4f7fBUSY\u5931\u6548\uff0c\u901a\u77e5\u4e3b\u673a\u53ef\u4ee5\u53d1\u4e0b\u4e00\u4e2a\u6570\u636e\u3002\u786c\u4ef6\u8fde\u7ebf\u5982\u4e0b\u56fe\uff1a
\u88687-2 Centronics\u6807\u51c6\u5f15\u811a\u4fe1\u53f7
\u5f15\u811a \u540d \u79f0 \u65b9\u5411 \u529f \u80fd
1 STROBE \u5165 \u6570\u636e\u9009\u901a\uff0c\u6709\u6548\u65f6\u63a5\u6536\u6570\u636e
2-9 DATA1-DATA8 \u5165 \u6570\u636e\u7ebf
10 ACKNLG \u51fa \u54cd\u5e94\u4fe1\u53f7\uff0c\u6709\u6548\u65f6\u51c6\u5907\u63a5\u6536\u6570\u636e
11 BUSY \u51fa \u5fd9\u4fe1\u53f7\uff0c\u6709\u6548\u65f6\u4e0d\u80fd\u63a5\u6536\u6570\u636e
12 PE \u51fa \u7eb8\u7528\u5b8c
13 SLCT \u51fa \u9009\u62e9\u8054\u673a\uff0c\u6307\u51fa\u6253\u5370\u673a\u4e0d\u80fd\u5de5\u4f5c
14 AUTOLF \u5165 \u81ea\u52a8\u6362\u884c
31 INIT \u5165 \u6253\u5370\u673a\u590d\u4f4d
32 ERROR \u51fa \u51fa\u9519
36 SLCTIN \u5165 \u6709\u6548\u65f6\u6253\u5370\u673a\u4e0d\u80fd\u5de5\u4f5c
\u8bf4\u660e\uff1a
\u7531PC0\u5145\u5f53\u6253\u5370\u673a\u7684\u9009\u901a\u4fe1\u53f7\uff0c\u901a\u8fc7\u5bf9PC0\u7684\u7f6e\u4f4d/\u590d\u4f4d\u6765\u4ea7\u751f\u9009\u901a\u3002\u540c\u65f6\uff0c\u7531PC7\u6765\u63a5\u6536\u6253\u5370\u673a\u53d1\u51fa\u7684\u201cBUSY\u201d\u4fe1\u53f7\u4f5c\u4e3a\u80fd\u5426\u8f93\u51fa\u7684\u67e5\u8be2\u3002
8255A\u7684\u63a7\u5236\u5b57\u4e3a\uff1a10001000 \u537388H
A\u53e3\u65b9\u5f0f0\uff0c\u8f93\u51fa\uff1bC\u53e3\u9ad8\u4f4d\u65b9\u5f0f0\u8f93\u5165\uff0c\u4f4e\u4f4d\u65b9\u5f0f0\u8f93\u51fa
PC0\u7f6e\u4f4d: 00000001 \u5373 01H
PC0\u590d\u4f4d\uff1a 00000000 \u5373 00H
8255A\u76844\u4e2a\u53e3\u5730\u5740\u5206\u522b\u4e3a\uff1a00H\uff0c01H\uff0c02H\uff0c03H\u3002
\u7f16\u5236\u7a0b\u5e8f\u5982\u4e0b\uff1a
DADA SEGMENT
BUFF DB 'This is a print program!'\uff0c'$'
DATA ENDS
CODE SEGMENT
ASSUME CS\uff1aCODE\uff0c DS\uff1aDATA
START\uff1aMOV AX\uff0c DATA
MOV DS\uff0c AX
MOV SI\uff0cOFFSET BUFF
MOV AL\uff0c 88H \uff1b8255A\u521d\u59cb\u5316\uff0cA\u53e3\u65b9\u5f0f0\uff0c\u8f93\u51fa
OUT 03H\uff0c AL \uff1b C\u53e3\u9ad8\u4f4d\u65b9\u5f0f0\u8f93\u5165\uff0c\u4f4e\u4f4d\u65b9\u5f0f0\u8f93\u51fa
MOV AL\uff0c 01H\uff1b
OUT 03H\uff0cAL \uff1b\u4f7fPC0\u7f6e\u4f4d\uff0c\u5373\u4f7f\u9009\u901a\u65e0\u6548
WAIT\uff1a IN AL\uff0c 02H
TEST AL\uff0c 80H \uff1b\u68c0\u6d4bPC7\u662f\u5426\u4e3a1\u5373\u662f\u5426\u5fd9
JNZ WAIT \uff1b \u4e3a\u5fd9\u5219\u7b49\u5f85
MOV AL\uff0c\u3014SI\u3015
CMP AL\uff0c'$' \uff1b\u662f\u5426\u7ed3\u675f\u7b26
JZ DONE \uff1b \u662f\u5219\u8f93\u51fa\u56de\u8f66
OUT 00H\uff0cAL \uff1b\u4e0d\u662f\u7ed3\u675f\u7b26\uff0c\u5219\u4eceA\u53e3\u8f93\u51fa
MOV AL\uff0c00H
OUT 03H\uff0c AL
MOV AL\uff0c 01H
OUT 03H\uff0cAL \uff1b\u4ea7\u751f\u9009\u901a\u4fe1\u53f7
INC SI \uff1b\u4fee\u6539\u6307\u9488\uff0c\u6307\u5411\u4e0b\u4e00\u4e2a\u5b57\u7b26
JMP WAIT
DONE\uff1a MOV AL\uff0c0DH
OUT 00H\uff0cAL \uff1b\u8f93\u51fa\u56de\u8f66\u7b26
MOV AL\uff0c 00H
OUT 03H\uff0cAL
MOV AL\uff0c 01H
OUT 03H\uff0cAL \uff1b\u4ea7\u751f\u9009\u901a
WAIT1\uff1a IN AL\uff0c 02H
TEST AL\uff0c 80H \uff1b\u68c0\u6d4bPC7\u662f\u5426\u4e3a1\u5373\u662f\u5426\u5fd9
JNZ WAIT 1 \uff1b \u4e3a\u5fd9\u5219\u7b49\u5f85
MOV AL\uff0c0AH
OUT 00H\uff0cAL \uff1b\u8f93\u51fa\u6362\u884c\u7b26
MOV AL\uff0c 00H
OUT 03H\uff0cAL
MOV AL\uff0c 01H
OUT 03H\uff0cAL \uff1b\u4ea7\u751f\u9009\u901a
MOV AH\uff0c4CH
INT 21H
CODE ENDS
END START
应该用SHL AX，1 ；（因为高位在左边，低位在右边，所以需要左移）
其他都没问题。
还有，第五个也可写成：
MOV BX,1200H
XOR DX,DX
MOV AX,30H
MUL BX
1.8255是一个可编程I/O并行接口操作，其中PC口可设置为位控方式。
2.使用移位指令，把寄存器后最高位移入CF，并在最低位补0，使用SAR AX,1 .
3.8259有4个初始化字和3个命令字，一片可控制8个中断源。
4.判断：MOV指令影响标志位 （错 ）
5.编写程序：写出1200H乘以30H。
MOV BX,1200H
MOV DX,0000H
MOV AX,30H
MUL BX
扩展阅读：浪潮ipbs8400s进入rec ... 8088直播 ... 8088cpu ... 8086芯片原理图 ... 8088端口 ... 8086中中断向量表的空间为 ... 8088引脚图及功能 ... 8086统一编址电路图 ... 8088处理器参数 ...
