标签:INT JNZ MOV AL DAC0832 微机 数模 DX 21H
微机原理-虚拟仿真实验-DAC0832数模电路汇编代码
;--------------------------------------
DATA SEGMENT
MESS1 DB 'sawtooth Q -- Next !',0DH,0AH,'$'
MESS2 DB 'triangle Q -- Next !',0DH,0AH,'$'
MESS3 DB 'sine Q -- End !',0DH,0AH,'$'
SINBUF DB 128,88,53,24,6,0,6,24,53,88,128,168,203,232
DB 250,255,250,232,203,168
PORT EQU 428H
DATA ENDS
;--------------------------------------
STACK SEGMENT
STA DB 200 DUP(?)
TOP EQU LENGTH STA
STACK ENDS
;--------------------------------------
CRLF MACRO
MOV DL,0DH
MOV AH,02H
INT 21H
MOV DL,0AH
MOV AH,02H
INT 21H
ENDM
;--------------------------------------
CODE SEGMENT
ASSUME CS:CODE,DS:DATA,SS:STACK,ES:DATA
START: MOV AX,DATA
MOV DS,AX
MOV AX,STACK
MOV SS,AX
MOV AX,TOP
MOV SP,AX
MOV DX,OFFSET MESS1
MOV AH,09H
INT 21H
A1: MOV DX,PORT
MOV AL,00H
BBB: OUT DX,AL
INC DX
OUT DX,AL
DEC DX
CALL RELAY
ADD AL,10H
CMP AL,00H
JNZ BBB
MOV AH,0BH
INT 21H
XOR AL,0FFH
JNZ A1
MOV AH,01H
INT 21H
CMP AL,'Q'
JZ QQQ
CMP AL,'q'
JNZ A1
QQQ: CRLF
MOV DX,OFFSET MESS2
MOV AH,09H
INT 21H
DDD: MOV DX,PORT
MOV AL,00H
EEE: OUT DX,AL
INC DX
OUT DX,AL
DEC DX
CALL RELAY
ADD AL,10H
CMP AL,0F0H
JNZ EEE
FFF: OUT DX,AL
INC DX
OUT DX,AL
DEC DX
CALL RELAY
SUB AL,10H
CMP AL,00H
JNZ FFF
MOV AH,0BH
INT 21H
XOR AL,0FFH
JNZ DDD
MOV AH,01H
INT 21H
CMP AL,'Q'
JZ Q2
CMP AL,'q'
JNZ DDD
Q2: CRLF
MOV DX,OFFSET MESS3
MOV AH,09H
INT 21H
GGG: MOV DX,PORT
HHH: MOV SI,OFFSET SINBUF
MOV BL,20
III: MOV AL,[SI]
OUT DX,AL
INC DX
OUT DX,AL
DEC DX
CALL RELAY
CALL RELAY
INC SI
DEC BL
JNZ III
MOV AH,0BH
INT 21H
XOR AL,0FFH
JNZ GGG
MOV AH,01H
INT 21H
CMP AL,'Q'
JZ Q3
CMP AL,'q'
JNZ GGG
Q3: MOV AX,4C00H
INT 21H
RELAY: PUSH CX
PUSH BX
MOV CX,05H
WW1: MOV BX,0300H
WA1: DEC BX
JNZ WA1
DEC CX
JNZ WW1
POP BX
POP CX
RET
CODE ENDS
;--------------------------------------
END START
标签:INT,JNZ,MOV,AL,DAC0832,微机,数模,DX,21H 来源: https://blog.csdn.net/qq_43422111/article/details/106663536
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