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MOV AX,4240H
DIV WORD PTR [SI] ;È¡³öƵÂÊÖµ¼ÆËã¼ÆÊý³õÖµ£¬0F4240H / Êä³öƵÂÊ MOV DX,MY8254_COUNT0 OUT DX,AL ;×°Èë¼ÆÊý³õÖµ MOV AL,AH OUT DX,AL
MOV DL,[DI] ;È¡³öÑÝ×àÏà¶Ôʱ¼ä£¬µ÷ÓÃÑÓʱ×Ó³ÌÐò CALL DALLY ADD SI,2 INC DI
CMP WORD PTR [SI],0 ;ÅжÏÊÇ·ñµ½ÇúÄ©£¿ JE BEGIN JMP PLAY
DALLY PROC ;ÑÓʱ×Ó³ÌÐò D0: MOV CX,0010H D1: MOV AX,0F00H D2: DEC AX
JNZ D2 LOOP D1 DEC DL JNZ D0 RET
DALLY ENDP CODE ENDS
END START
CMP BL, 00H JNE AA4 CALL DELAYL JMP AA0 DELAY: PUSH CX MOV CX, 0100H DLAY1: LOOP DLAY1 POP CX RET
DELAYL: PUSH CX MOV CX, 0010H DL1: CALL DELAY LOOP DL1 POP CX RET CODE ENDS END START