01b.asm

录音子程序 mov dx,offset news_2 显示放音提示

DATA SEGMENT
ORG 1000H
H1 DB 5 DUP(?)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START PROC FAR
STT:PUSH DS
    SUB AX,AX
    PUSH AX
;==============================
    MOV AL,0FFH
    MOV DI,1000H
    MOV CX,5       ;循环5次
LP1:MOV [DI],AL    ;FF放入1000H-1004H中
    INC DI
    DEC CX
    JNZ LP1
;==============================
    RET
START ENDP
CODE ENDS
END STT