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📄 八月桂花香.asm

📁 基于msc单片机仿真机的仿真程序
💻 ASM
字号:
	ORG     0000H
	LJMP    START
	ORG     000BH
	INC     20H     ;中断服务,中断计数器加1
	MOV     TH0,#0DBH
	MOV     TL0,#0FEH  ;12M晶振,形成10毫秒中断
	RETI
START:
	CPL P1.0
	MOV     SP,#50H
	MOV     TH0,#0DBH
	MOV     TL0,#0FEH
	MOV     TMOD,#01H
	MOV     IE,#82H
MUSIC0:
	NOP
	MOV     DPTR,#DAT      ;表头地址送DPTR
	MOV     20H,#00H        ;中断计数器清0
	MOV     B,#00H          ;表序号清0
MUSIC1:
	NOP        
	CLR     A
	MOVC    A,@A+DPTR       ;查表取代码       
	JZ      END0     ;是00H,则结束
	CJNE    A,#0FFH,MUSIC5       
	LJMP    MUSIC3
MUSIC5:      
	NOP
	MOV     R6,A    
	INC     DPTR
	MOV     A,B       
	MOVC    A,@A+DPTR       ;取节拍代码送R7
	MOV     R7,A       
	SETB    TR0             ;启动计数
MUSIC2:      
	NOP
	CPL     P1.0      
	MOV     A,R6
	MOV     R3,A       
	LCALL   DEL
	MOV     A,R7       
	CJNE    A,20H,MUSIC2    ;中断计数器(20H)=R7否?
				;不等,则继续循环
	MOV     20H,#00H        ;等于,则取下一代码       
	INC     DPTR
;       INC     B       
	LJMP    MUSIC1
MUSIC3:        
	NOP       
	CLR     TR0     ;休止100毫秒
	MOV     R2,#0DH
MUSIC4:        
	NOP        
	MOV     R3,#0FFH        
	LCALL   DEL        
	DJNZ    R2,MUSIC4       
	INC     DPTR       
	LJMP    MUSIC1
END0:        
	NOP        
	MOV     R2,#64H ;歌曲结束,延时1秒后继续
MUSIC6:        
	MOV     R3,#00H        
	LCALL   DEL
	DJNZ    R2,MUSIC6        
	LJMP    MUSIC0
DEL:       
	NOP
DEL3: 
        MOV     R4,#02H
DEL4:	
	NOP
	DJNZ    R4,DEL4        
	NOP        
	DJNZ    R3,DEL3        
	RET        
	NOP                       
	
DAT:   
	DB      18H,     30H,     1CH,     10H
	DB      20H,     40H,     1CH,     10H 
	DB      18H,     10H,     20H,     10H
	DB      1CH,     10H,     18H,     40H
	DB      1CH,     20H,     20H,     20H
	DB      1CH,     20H,     18H,     20H 
	DB      20H,     80H,     0FFH,    20H
	DB      30H,     1CH,     10H  ,   18H
	DB      20H,     15H,     20H ,    1CH
	DB      20H,     20H,     20H ,    26H
	DB      40H,     20H ,    20H ,    2BH
	DB      20H,     26H,     20H ,    20H
	DB      20H,     30H ,    80H ,    0FFH
	DB      20H,     20H,     1CH ,    10H
	DB      18H,     10H,     20H ,    20H
	DB      26H,     20H ,    2BH ,    20H
	DB      30H,     20H ,    2BH ,    40H
	DB      20H,     20H  ,   1CH  ,   10H
	DB      18H,     10H,     20H,     20H
	DB      26H,     20H ,    2BH,     20H
	DB      30H,     20H,     2BH ,    40H
	DB      20H,     30H,     1CH ,    10H
	DB      18H,     20H ,    15H ,    20H
	DB      1CH,     20H ,    20H ,    20H
	DB      26H,     40H,     20H ,    20H  
	DB      2BH,     20H,     26H ,    20H
	DB      20H,     20H,     30H ,    80H
	DB      20H,     30H,     1CH ,    10H
	DB      20H,     10H,     1CH ,    10H
	DB      20H,     20H,     26H  ,   20H
	DB      2BH,     20H,     30H  ,   20H
	DB      2BH,     40H,     20H   ,  15H
	DB      1FH,     05H,     20H    , 10H
	DB      1CH,     10H,     20H ,    20H
	DB      26H,     20H,     2BH ,    20H
	DB      30H,     20H,     2BH ,    40H
	DB      20H,     30H,     1CH  ,   10H
	DB      18H,     20H ,    15H  ,   20H
	DB      1CH,     20H ,    20H  ,   20H
	DB      26H,     40H,     20H  ,   20H
	DB      2BH,     20H,     26H   ,  20H
	DB      20H,     20H,     30H,     30H 
	DB      20H,     30H,     1CH,     10H
	DB      18H,     40H,     1CH,     20H
	DB      20H,     20H,     26H,     40H
	DB      13H,     60H,     18H ,    20H
	DB      15H,     40H,     13H ,    40H
	DB      18H,     80H,     00H
	END





























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