数字化语音存储与回放系统.asm

来自「数字化语音存储与回放系统 数字化语音存储与回放系统」· 汇编 代码 · 共 67 行

ORG	 0000H
LJMP	 MAIN

ORG  	000BH
LJMP  	INTO

MAIN: 	 MOV DPTR,#0000H 
 
ATOD:	CLR  P3.0
	SETB P3.0
	CLR  P3.0
	
	MOV  R0,#39H
D1:	DJNZ R0,D1

 	SETB P3.2
	MOV  A,P1
	MOVX @DPTR,A
	CLR  P3.2

	INC  DPTR
	MOV  A,#80H
	CJNE A,DPH,ATOD
	MOV  A,#00H
	CJNE A,DPL,ATOD

LOOP:	JB P3.5,LOOP

	MOV   DPTR,#0000H  
	MOV   TMOD,#02H
	MOV   TH0,#83H
	MOV   TL0,#83H
	SETB  ET0
	SETB  EA
	SETB  TR0
	SETB  F0

DTOA: 	SETB  P3.0
	MOVX  A,@DPTR
	MOV   P1,A
	CLR   P3.0
	JNB   F0,LOOP
LJMP 	DTOA

LJMP    LOOP

INTO:	INC  DPTR
	MOV  A,#80H
	CJNE A,DPH,K1
	MOV  A,#00H
	CJNE A,DPL,K1
	CLR  TR0
	CLR  F0
K1:     RETI



END