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【試驗(yàn)時(shí)請(qǐng)仔細(xì)閱讀后文說(shuō)明！此圖僅為我站制作，并不代表原作者意愿；若您制作成功，望在網(wǎng)絡(luò)推廣�！�

實(shí)驗(yàn)控制流程圖如下：

鍵盤(pán)如下：

RS BIT P2.0 ;定義液晶顯示端口標(biāo)號(hào)
RW BIT P2.1
E BIT P2.2
;********************************************
L50MS EQU 60H
L1MS EQU 61H
L250MS EQU 62H
SEC EQU 65H
MIN EQU 64H
HOU EQU 63H
;*******************************************
org 0000h
ljmp main
ORG 000BH
LJMP TT0
ORG 001BH
LJMP T1INT
org 1000h
main:
;-----------------------;液晶初始化
MOV SP,#70H   
MOV P0,#01H  ;清屏
CALL ENABLE
MOV P0,#38H  ;8位，2行顯示
lCALL ENABLE
MOV P0,#0FH  ;屏顯on，光標(biāo)on,閃爍on
lCALL ENABLE
MOV P0,#06H  ;計(jì)數(shù)地址加1，顯示幕on
lCALL ENABLE
;-------------------------------內(nèi)存初始化
lcall initil     
;-------------------------------
key1:
lcall key
lcall modd        
ljmp key1
;---------------------鍵盤(pán)掃描
key:
nop
nop
lcall ks
jnz k1       ;有按鍵轉(zhuǎn)到K1
lcall kaiji
lcall SOP
xn:
ljmp key
k1:
lcall modd
lcall modd
lcall ks
jnz k2
ljmp key
k2:
mov R2,#0feh   ;讀鍵盤(pán)
mov R4,#00h
k3:
mov A,R2
mov P1,A
mov A,P1
JB ACC.4,L1     ;為1跳轉(zhuǎn)，第一行無(wú)按鍵
mov a,#00h
ljmp lk
L1:
jb acc.5,L2
mov a,#04h
ljmp lk
L2:
jb acc.6,L3
mov a,#08h
ljmp lk
L3:
jb acc.7,next1
mov a,#0ch
;-------------------------------------------------------
lk:
add a,R4
push acc
k4:
lcall delay1   ;若同時(shí)有其他按鍵，則等待
lcall ks
jnz k4
;--------------------------------------------------------
mov r3,#07h    
clr a
mov r0,#30h
mov r1,#31h
mm1:
mov a,@r1
mov @r0,a
inc r0
inc r1
djnz r3,mm1
pop acc
mov @r0,a
RET
;------------------------------------------------------
next1:
inc R4    ;------列掃描
mov a,R2
JNB acc.3,n2
ljmp n1
n2:
ljmp key
n1:
rl a
mov R2,a
ljmp k3
;----------------------------------------------
ks:
mov a,#0f0h     ;判斷P1口
mov P1,a
nop
nop
mov a,P1
cpl a
anl a,#0f0h
RET
;--------------------------------------------------
DELAY1:
SETB RS0
dl:
mov R5,#0ah
dl2:
mov R6,#63
dl3:
nop
nop
djnz R6,dl3
djnz R5,dl2
CLR RS0    
RET
;---------------------------------------------------
;30H-37H初值為零
;----------------------------------------------------
initil:     
mov r3,#08h
mov r0,#30h
m1:
mov @r0,#00h
inc r0
djnz r3,m1        
RET
;----------------------------------------------------
;顯示    
;---------------------------------------------------
modd: 
MOV P0,#8EH
lCALL ENABLE        
mov A,37H
mov DPTR,#TABLE3        
MOVC A,@A+DPTR
lCALL WRITE2      
RET
;--------------------------------------------------
;開(kāi)機(jī)提示字
;-------------------------------------------------
kaiji:
mov a,37h
cjne a,#0fh,DFF
MOV P0,#80H    ;設(shè)光標(biāo)地址
lCALL ENABLE
MOV DPTR,#TABLE1;寫(xiě)數(shù)據(jù)
lCALL WRITE1        
DFF:
RET
;----------------------------------------------
;按鍵值播放歌曲
;----------------------------------------------
SOP:
mov a,37h
cjne a,#01h,A11
LCALL MODD
MOV 52H,#HIGH TABLE10
MOV 53H,#LOW TABLE10
LCALL INITILE2
lcall MAIN0
A11:
CJNE A,#02H,A22
LCALL MODD
MOV 52H,#HIGH TABLE20
MOV 53H,#LOW TABLE20
LCALL INITILE2     
lcall MAIN0
A22:
CJNE A,#03H,A33
LCALL MODD
MOV 52H,#HIGH TABLE30
MOV 53H,#LOW TABLE30
LCALL INITILE2     
lcall MAIN0      
A33:
CJNE A,#04H,A44
LCALL MODD
MOV 52H,#HIGH TABLE40
MOV 53H,#LOW TABLE40
LCALL INITILE2     
lcall MAIN0
A44:
CJNE A,#05H,A55
LCALL MODD
MOV 52H,#HIGH TABLE50
MOV 53H,#LOW TABLE50
LCALL INITILE2     
lcall MAIN0
A55:
CJNE A,#06H,A66
LCALL MODD
MOV 52H,#HIGH TABLE60
MOV 53H,#LOW TABLE60
LCALL INITILE2     
lcall MAIN0  
A66:
CJNE A,#07H,A77
LCALL MODD
MOV 52H,#HIGH TABLE70
MOV 53H,#LOW TABLE70
LCALL INITILE2     
lcall MAIN0     
A77:
CJNE A,#08H,A88
LCALL MODD
MOV 52H,#HIGH TABLE80
MOV 53H,#LOW TABLE80
LCALL INITILE2     
lcall MAIN0
A88:
CJNE A,#09H,A99
LCALL MODD
MOV 52H,#HIGH TABLE90
MOV 53H,#LOW TABLE90
LCALL INITILE2     
lcall MAIN0     
A99:
CJNE A,#0AH,AAA
LCALL MODD
MOV 52H,#HIGH TABLE100
MOV 53H,#LOW TABLE100
LCALL INITILE2     
lcall MAIN0     
AAA:RET          
;******************************************
INITILE2:
MOV L50MS,#20
MOV L1MS,#00H
MOV L250MS,#00H
MOV SEC,#00H
MOV MIN,#00H
MOV HOU,#00H
MOV A,HOU
MOV B,#10
DIV AB
ADD A,#30H         ;將BCD嗎轉(zhuǎn)化為ASIIC碼
MOV P0,#0C8H    ;顯示小時(shí)十位
CALL ENABLE
CALL WRITE2
MOV A,B
ADD A,#30H
MOV P0,#0C9H    ;顯示小時(shí)個(gè)位
CALL ENABLE
CALL WRITE2
MOV A,#3AH
MOV P0,#0DH    ;顯示冒號(hào)
CALL ENABLE
CALL WRITE2
MOV A,MIN
MOV B,#10
DIV AB
ADD A,#30H
MOV P0,#0CBH    ;顯示分十位
CALL ENABLE
CALL WRITE2
MOV A,B
ADD A,#30H
MOV P0,#0CCH    ;顯示分個(gè)位
CALL ENABLE
CALL WRITE2
MOV A,#3AH
MOV P0,#0CDH    ;顯示冒號(hào)
CALL ENABLE
CALL WRITE2
MOV A,SEC
MOV B,#10
DIV AB
ADD A,#30H
MOV P0,#0CEH    ;顯示秒十位
CALL ENABLE
CALL WRITE2
MOV A,B
ADD A,#30H
MOV P0,#0CFH    ;顯示秒個(gè)位
CALL ENABLE
CALL WRITE2
MOV P0,#0C0H    ;設(shè)光標(biāo)地址
CALL ENABLE
MOV DPTR,#TABLE2;寫(xiě)數(shù)據(jù)
CALL WRITE1        
RET
;*********************************************寫(xiě)指令
ENABLE:
CLR RS
CLR RW
CLR E
LCALL DELAY
SETB E
RET
;**********************************************寫(xiě)數(shù)據(jù)
WRITE1:
MOV R1,#00H
A1:
MOV A,R1
MOVC A,@A+DPTR
CALL WRITE2
INC R1
CJNE A,#0FEH,A1   ;未到字符串末尾繼續(xù)
RET
WRITE2:
MOV P0,A
SETB RS
CLR RW
CLR E
CALL DELAY
SETB E
RET
;**********************************************
DELAY:
MOV R4,#05
D1:
MOV R5,#0FFH
DJNZ R5,$
DJNZ R4,D1
RET 
;----------------------------------------------
TAB:
db 0c0h,0f9h,0a4h,0b0h,99h,92h,82h,0f8h
db 80h,90h,88h,83h,0c6h,0a1h,86h,8eh
TAB1:db 89h,86h,0c7h,0c7h,0c0h
TAB2:db 0c6h,88h,0c0h
TABLE1:DBWELCOM HERE,0FEH
TABLE2:DBDFF WB ,0FEH
TABLE4:DB CAU,0FEH
TABLE3:DB 30H,31H,32H,33h   
DB 34H,35H,36H,37H
DB 38h,39H,41H,42H
DB 43H,44H,45H,46H    
;--------------------------------------------------------------------
;播放歌曲程序
;--------------------------------------------------------------------
MAIN0:
MOV TMOD,#11H
MOV IE,#8aH
;MOV TH1,#3cH
;MOV TL1,#0b0H  
lcall ks
jnz TTM12          
MOV 40H,#00H
;---------------------------------------------------------
NEXT20:
MOV A,40H
MOV DPH,52H
MOV DPL,53H
MOVC A,@A+DPTR
MOV R2,A
JZ STOP
ANL A,#0FH
MOV R1,A
MOV A,R2
SWAP A
ANL A,#0FH
JNZ SING
CLR TR0
JMP W1
;----------------------------------------------------------
SING:
DEC A
MOV 22H,A
RL A
MOV DPTR,#TABLE00
MOVC A,@A+DPTR
MOV TH0,A
MOV 21H,A
MOV A,22H
RL A
INC A
MOVC A,@A+DPTR
MOV TL0,A
MOV 20H,A
SETB TR0
SETB  TR1
W1:
LCALL DELAY30
INC 40H
LCALL KS         ;------有鍵跳出
JNZ STOP
LJMP NEXT20
;-----------------------------------------------------------
STOP:
CLR TR0
CLR TR1
LJMP MAIN0
;----------------------------------------------------------
TTM12:
LCALL K2
MOV A,37H
CJNE A,#0EH,TTM13
CLR TR1
LCALL DELAY1
TTM120:
LCALL KS
LCALL DELAY1
JZ TTM120
LCALL K2
MOV A,37H
CJNE A,#0EH,TTM120
SETB TR1
LJMP NEXT20
TTM13:
CJNE A,#0CH,TTM14
MOV A,52H
INC A
MOV 52H,A
MOV A,53H
INC A
MOV 53H,A
MOV A,36H
INC A
MOV 37H,A
LJMP TTM2
TTM14:
CJNE A,#0DH,TTM2
MOV A,52H
DEC A
MOV 52H,A
MOV A,53H
DEC A
MOV 53H,A
MOV A,36H
DEC A
MOV 37H,A
;------------------------------------------------------ 
TTM2:
RET
;***************************************************
;定時(shí)器中斷子程序0
;***************************************************
TT0:
PUSH ACC
PUSH PSW
MOV TL0,20H
MOV TH0,21H
CPL P3.7
POP PSW
POP ACC
RETI
;***************************************************
;定時(shí)器中斷子程序1
;***************************************************
T1INT:
MOV TH1, #3cH
MOV TL1, #0b0H
DJNZ L50MS,X4
MOV L50MS,#20
;****************---每秒種時(shí)鐘刷新秒顯示一次
SECSET:
MOV A,SEC
MOV B,#10
DIV AB
ADD A,#30H
MOV P0,#0CEH    ;顯示秒十位
lCALL ENABLE
lCALL WRITE2
MOV A,B
ADD A,#30H
MOV P0,#0CFH    ;顯示秒個(gè)位
lCALL ENABLE
lCALL WRITE2
MOV A,SEC
INC A
MOV SEC,A
XRL A,#60
X4:
JNZ OUT
MINSET:
MOV SEC,#00H  
;*************************************每分鐘刷新分顯示一次
MOV A,MIN
INC A
MOV MIN,A
MOV B,#10
DIV AB
ADD A,#30H
MOV  P0,#0CBH    ;顯示分十位
lCALL ENABLE
lCALL WRITE2
MOV A,B
ADD A,#30H
MOV  P0,#0CCH    ;顯示分個(gè)位
lCALL ENABLE
lCALL WRITE2
MOV A,MIN
MOV B,#3
MUL AB
MOV B,#100
DIV AB
MOV R2,A
MOV A,#10
XCH A,B
DIV AB
MOV A,MIN
XRL A,#60
JNZ OUT
HOUSET:
MOV MIN,#00H 
;**************************************每小時(shí)刷新小時(shí)顯示一次 
MOV A,HOU
MOV B,#10
DIV AB
ADD A,#30H         ;將BCD嗎轉(zhuǎn)化為ASIIC碼
MOV P0,#0C8H    ;顯示小時(shí)十位
CALL ENABLE
CALL WRITE2
MOV A,B
ADD A,#30H
MOV P0,#0C9H    ;顯示小時(shí)個(gè)位
CALL ENABLE
CALL WRITE2
MOV A,HOU
INC A
MOV HOU,A
XRL A,#10
JNZ OUT
SJMP OVERFLOW
OUT:
RETI
;*************************************溢出處理
OVERFLOW:
MOV L50MS,#20
MOV L1MS,#00H
MOV L250MS,#00H
MOV SEC,#00H
MOV MIN,#00H
MOV HOU,#00H
RETI
;--------------------------------------------------------------------
DELAY30:   
MOV R7,#2
W2:
MOV R4,#125
W3:
MOV R3,#248
DJNZ R3,$
DJNZ R4,W3
DJNZ R7,W2
DJNZ R1,DELAY30
RET
;--------------------------------------------------------------------
TABLE00:
DW 64580,64684,64777,64820
DW 64898,64968,65030,64260
DW 64400,64524,65058,63835,64021
;-------------------------------------------------------------------
;第一首《精忠報(bào)國(guó)》
;--------------------------------------------------------------------
TABLE10:   
DB 66H,52H,36H,22H,12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H
DB 32H,52H,22H,42H,38H,66H,52H,36H,22H,12H,22H,22H,32H,98H
DB 24H,22H,32H,54H,52H,32H,92H,12H,92H,82H,98H,66H,52H,36H,22H
DB 12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H,32H,52H,22H,42H,38H
DB 66H,52H,36H,22H,12H,22H,22H,32H,98H,24H,22H,32H,54H,52H,32H
DB 22H,12H,92H,82H,98H,14H,24H,34H,44H,64H,0B4H,64H,32H,52H
DB 62H,0B2H,62H,52H,38H,24H,22H,32H,54H,52H,62H,52H,32H,32H,22H,38H
DB 64H,0B4H,64H,32H,52H,62H,0B2H,62H,52H,38H,22H,22H,22H,32H,52H,52H
DB 52H,62H,7FH,74H,04H,58H,6FH
DB 00
;--------------------------------------------------------------------
;第二首《月亮代表我的心》
;--------------------------------------------------------------------
TABLE20: 
DB 02H,82H
DB 16H,32H,54H,02H,52H
DB 0A6H,32H,54H,02H,52H
DB 64H,74H,0B6H,64H
DB 52H,5CH,32H,22H
DB 16H,12H,14H,32H,22H
DB 16H,12H,14H,22H,32H
DB 26H,12H,94H,22H,32H
DB 2CH
DB 32H,52H
DB 36H,22H,14H,54H
DB 0ACH,92H,0A2H
DB 96H,0A2H,96H,82H
DB 3CH,54H
DB 36H,22H,14H,54H
DB 0ACH,92H,0A2H
DB 16H,12H,14H,22H,32H
DB 2CH,02H,82H
DB 16H,32H,56H,12H
DB 0A6H,32H,56H,52H
DB 66H,72H,0B6H,62H
DB 62H,52H,58H,32H,22H
DB 16H,12H,14H,32H,22H
DB 16H,12H,14H,22H,32H
DB 26H,92H,0A4H,12H,22H
DB 1CH
DB 00
;-------------------------------------------------------------------
;第三首《看我七十二變》
;-------------------------------------------------------------------
TABLE30:
DB 0d4H,84H,94H,82H,92H
DB 12H,22H,82H,92H,02H,92H,82H,0d2H
DB 82H,92H,14H,84H,02H,0d1H,0d1H
DB 0c2H,0d2H,84H,0d2H,0d2H,82H,82H
DB 84H,82H,82H,94H,82H,0d2H
DB 82H,82H,82H,92H,02H,82H,82H,0d2H
DB 0c4H,84H,0d4H,92H,0d2H
DB 82H,0d2H,82H,92H,98H
DB 04H,94H,88H
DB 04H,94H,88H
DB 04H,94H,88H
DB 04H,94H,88H,04H
DB 32H,32H,22H,12H,02H,92H,12H,92H
DB 32H,32H,22H,12H,02H,92H,12H,92H
DB 32H,32H,22H,12H,02H,92H,12H,22H
DB 54H,44H,34H,12H,22H
DB 34H,22H,12H,02H,92H,12H,92H
DB 32H,32H,22H,12H,02H,92H,12H,92H
DB 32H,32H,22H,12H,02H,92H,12H,22H
DB 54H,44H,32H,22H,12H,92H
DB 00  
;--------------------------------------------------------------------
;第四首《同一首歌》
;--------------------------------------------------------------------
TABLE40:
DB 88h,14h,24h,36H,42H,34H,14H,28H,14H,94H
DB 1fH,88H,14H,24H,34H,32H,42H,54H,14H
DB 46H,32H,54H,22H,32H,32H,22H,2CH,38H,54H,74H
DB 76H,62H,68H,54H,52H,62H,74H,62H,52H,3fH
DB 46H,42H,54H,64H,54H,42H,32H,28H,0a4H,0a2H
DB 92H,84H,94H,1fH,0b8H,68H,46H,52H,68H
DB 74H,72H,72H,74H,62H,52H,3fH,0b8H,68H
DB 46H,52H,68H,64H,62H,62H,64H,42H,32H,2fH
DB 58H,14H,24H,36H,42H,34H,12H,12H,26H,22H,24H,22H,12H
DB 94H,9cH,0a8H,0a6H,92H,84H,64H,54H,22H,22H,46H,42H,44H,32H,22H,5fH
DB 00
;--------------------------------------------------------------------
;第五首《大海》
;--------------------------------------------------------------------
TABLE50:
DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24H
DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32H
DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,94H,1cH
DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24H
DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32H
DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,22H,12H,1cH,32H,52H
DB 62H,64H,62H,64H,0b2H,62H,52H,54H,62H,54H,32H,22H
DB 12H,14H,12H,14H,24H,3cH,32H,22H,12H,14H,12H,14H,0b2H,62H,52H,54H,62H,54H,32H,52H
DB 66H,0b2H,0b4H,62H,52H,5cH,32H,52H,62H,64H,62H,64H,0b2H,62H,52H,54H
DB 62H,54H,32H,22H,12H,14H,12H,14H,54H,3cH,32H,22H,12H,14H,12H,14H,22H,32H
DB 52H,54H,32H,54H,32H,52H,6fH,04H,02H,92H,32H,24H,12H,1fH
DB 00
;--------------------------------------------------------------------
;第六首《兩只蝴蝶》
;--------------------------------------------------------------------
TABLE60:
DB 32H,22H,38H,02H,22H,32H,22H,18H,04H,92H,12H,24H,22H,32H,22H,12H,92H,92H,88H,04H,32H,22H
DB 38H,02H,22H,32H,22H,18H,04H,92H,12H,24H,22H,32H,22H,21H,92H,12H,28H,04H,32H,22H
DB 38H,02H,22H,32H,22H,18H,04H,92H,12H,24H,22H,32H,22H,12H,92H,91H,11H,88H
DB 04H,32H,52H,58H,02H,52H,62H,52H,38H,04H,22H,22H,24H,22H,32H,22H,12H,92H,92H
DB 12H,12H,1cH,08H,02H,52H,52H,62H,0b2H,72H,72H,62H,32H,22H,22H,22H
DB 38H,02H,32H,32H,52H,64H,64H,02H,92H,32H,22H,28H,04H,32H,52H,52H,32H,54H,02H,0b4H,72H
DB 62H,72H,34H,02H,62H,62H,72H,62H,52H,32H,22H,02H,32H,22H,32H
DB 58H,02H,52H,52H,62H,0b2H,72H,72H,62H,32H,22H,22H,22H
DB 38H,02H,32H,32H,52H,64H,64H,02H,92H,32H,22H,28H,04H,32H,52H,52H,32H,54H,02H,0b4H,72H
DB 62H,72H,34H,02H,62H,62H,72H,62H,52H,32H,22H,02H,84H,92H,1cH
DB 00
;--------------------------------------------------------------------
;第七首<<世上只有媽媽好>>
;--------------------------------------------------------------------
TABLE70:
DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H
DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH
DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H
DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH
DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H
DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH
DB 00
;--------------------------------------------------------------------
;第八首歌《彩云追月》
;--------------------------------------------------------------------
TABLE80:
DB 86H,92H,12H,22H,32H,52H,68H,63H,52H,34H,62H,0B2H,0B2H,62H,51H,61H,51H,31H,54H
DB 62H,0B2H,0B2H,62H,52H,32H,52H,52H,51H,61H,51H,31H,34H,52H,62H,74H,32H,52H,52H,32H,21H,31H,21H,11H,24H
DB 32H,52H,52H,32H,22H,12H,24H,32H,52H,52H,32H,62H,52H,61H,51H,31H,21H,21H,31H,21H,11H,1CH
DB 21H,31H,22H,23H,31H,21H,18H,02H,0B2H,0BCH,0B4H,72H,61H,51H,72H,61H,71H,61H,51H,61H,71H,61H,6FH
DB 86H,94H,12H,22H,32H,52H,64H,62H,51H,31H,52H,21H,31H,21H,33H,62H,0B2H,0B2H,62H,51H,61H,51H,31H,54H
DB 62H,0B2H,72H,61H,51H,51H,61H,51H,31H,54H,61H,0B2H,72H,61H,51H,51H,61H,51H,31H,32H,21H,11H,32H,51H,61H,54H
DB 02H,32H,24H,32H,52H,52H,32H,22H,31H,21H,11H,24H,32H,52H,62H,0B2H,72H,61H,51H,61H,51H,31H,32H,52H,52H,32H,62H
DB 51H,31H,31H,21H,11H,91H,23H,31H,21H,1CH,12H,24H,32H,62H,51H,31H,34H,0B4H,72H,61H,51H,63H,71H,64H
DB 0B2H,54H,72H,62H,71H,61H,54H,61H,51H,31H,21H,34H,73H,61H,54H,22H,32H,52H,22H,36H,52H,62H,61H,31H,32H,21H,11H,21H,11H,91H,81H
DB 94H,52H,62H,52H,42H,32H,22H,32H,52H,0B4H,74H,64H,52H,61H,51H,41H,5CH,02H,52H,0B4H,74H,63H,51H,61H,51H,31H,21H
DB 00
;--------------------------------------------------------------------
;第九首<<十年>>
;--------------------------------------------------------------------
TABLE90:
DB 02H,11H,21H,32H,32H,22H,32H,21H,11H,0A1H,91H,92H,0D1H,91H,83H,91H,0A2H,91H,81H,94H,11H,0A1H,91H,0A1H,98H,03H,81H,0A1H,0A1H,91H,0A1H
DB 98H,04H,02H,11H,21H,32H,32H,22H,32H,21H,31H,51H,11H,13H,31H,22H,22H,21H,11H,0A1H,11H,13H,11H,11H,0A1H,91H,0A1H
DB 11H,93H,94H,03H,81H,11H,0A1H,91H,81H,92H,0A1H,91H,94H,08H,03H,81H,32H,21H,11H,22H,31H,21H,21H,83H
DB 01H,11H,91H,0A1H,11H,61H,51H,11H,34H,01H,31H,21H,31H,48H,23H,31H,32H,42H,38H,03H,11H,21H,52H,31H
DB 33H,31H,31H,41H,51H,61H,23H,21H,21H,41H,31H,21H,13H,0D1H,0D1H,21H,11H,0A1H,11H,91H,92H,91H,11H,0A1H,91H
DB 0A1H,31H,31H,22H,0A1H,11H,14H,01H,11H,21H,31H,63H,31H,42H,51H,31H,31H,22H,11H,21H,52H,31H,33H,31H,31H,41H
DB 51H,61H,23H,21H,21H,41H,31H,21H,13H,0D1H,0D1H,21H,11H,0A1H,11H,91H,92H,91H,11H,0A1H,91H
DB 0A2H,41H,31H,22H,31H,21H,12H,12H,11H,11H,21H,31H,63H,51H,32H,11H,21H,26H,11H,0A1H,18H
DB 00
;--------------------------------------------------------------------
;第十首<<你的愛(ài)給了誰(shuí)>>
;--------------------------------------------------------------------
TABLE100:
DB 02H,91H,0A1H,16H,21H,11H,0A6H,81H,0A1H,9CH,02H,91H,0A1H,16H,21H,31H,24H,21H,0A1H,11H,0A1H
DB 9CH,02H,11H,21H,36H,32H,24H,21H,0A1H,11H,0A1H,9CH,02H,91H,0A1H,14H,11H,11H,21H,11H,0A4H,04H,04H,02H,0A1H,11H,0A1H,93H,92H
DB 02H,61H,71H,0B4H,0B2H,0B1H,0B1H,76H,0B1H,71H,6CH,02H,61H,71H,0B6H,0B1H,0B1H,76H,0B1H,71H,6CH,02H,51H,61H,56H,61H,51H,54H,51H,0B1H,71H,0B1H
DB 72H,62H,68H,02H,61H,51H,66H,62H,58H,0CH,02H,51H,41H,5FH
DB 02H,91H,0A1H,16H,21H,11H,0A6H,81H,0A1H,9CH,02H,91H,0A1H,16H,21H,31H,24H,21H,0A1H,11H,0A1H
DB 9CH,02H,11H,21H,36H,32H,24H,21H,0A1H,11H,0A1H,9CH,02H,91H,0A1H,14H,11H,11H,21H,11H,0A4H,04H,04H,02H,0A1H,11H,0A1H,93H,92H
DB 02H,61H,71H,0B4H,0B2H,0B1H,0B1H,76H,0B1H,71H,6CH,02H,61H,71H,0B6H,0B1H,0B1H,76H,0B1H,71H,6CH,02H,51H,61H,56H,61H,51H,54H,51H,0B1H,71H,0B1H
DB 66H,62H,54H,0B2H,71H,61H,6CH
DB 00
END 


按鍵功能說(shuō)明：
1~A：十首歌曲
C：上一首歌曲
D：下一首歌曲
E：歌曲暫停
F：開(kāi)機(jī)畫(huà)面
程序調(diào)試中出現(xiàn)的問(wèn)題及解決的辦法：
1． 有時(shí)會(huì)出現(xiàn)程序一點(diǎn)錯(cuò)誤也沒(méi)有，但就是不能正常運(yùn)行的現(xiàn)象，最后我們發(fā)行是因?yàn)槌绦蛑杏械闹噶顣?shū)寫(xiě)得不規(guī)范導(dǎo)致的，例如有的RET返回指令一定要按正確格式書(shū)寫(xiě)或在兩行指令間最好不要留空行。
2． 程序中的跳轉(zhuǎn)指令的運(yùn)用很重要，為保險(xiǎn)起見(jiàn)，都用LJMP,我們就遇到過(guò)跳轉(zhuǎn)指令用錯(cuò)程序無(wú)法正常運(yùn)行的現(xiàn)象。當(dāng)用JNZ指令時(shí)，跳轉(zhuǎn)范圍比較少，這時(shí)要用一個(gè)標(biāo)號(hào)中轉(zhuǎn)。
3． 編程時(shí)要注意，在程序開(kāi)始時(shí)，要寫(xiě)入各定時(shí)器中斷的入口地址。
4． 編程過(guò)程中要注意加注釋或分割線，否則，在程序過(guò)長(zhǎng)時(shí)容易變得很亂，不便于查找或更改。
5． 程序的結(jié)構(gòu)要設(shè)計(jì)的合理，避免上下亂調(diào)用的現(xiàn)象，這樣會(huì)使程序更加清晰化。
6． 編程前要加流程圖，這樣會(huì)使思路清晰，例如數(shù)字音樂(lè)盒的設(shè)計(jì)思路完全可以按著MP3的工作方式列寫(xiě)流程圖。
7． LCD計(jì)時(shí)正常顯示的解決辦法：
a. 兩個(gè)定時(shí)器同時(shí)工作，存在中斷時(shí)序問(wèn)題，剛開(kāi)始時(shí)我們把定時(shí)器1設(shè)定在方式3，計(jì)250us，由于定時(shí)中斷過(guò)于頻繁，使CPU負(fù)載過(guò)大，導(dǎo)致音樂(lè)不能正常播放，時(shí)間不能正常顯示。解決辦法：將定時(shí)器1設(shè)定在工作方式1，16位計(jì)數(shù)，計(jì)50ms,效果有很大改觀。但還有問(wèn)題。
b. 當(dāng)音樂(lè)為全4拍起始時(shí)，此時(shí)音樂(lè)節(jié)奏與定時(shí)器T1中斷頻率錯(cuò)開(kāi)，LCD顯示和音樂(lè)播放都會(huì)好一些。
c. 另外，在歌曲中，當(dāng)遇到一個(gè)音符發(fā)音為4拍，在編曲中為*CH，托因時(shí)間較長(zhǎng)，當(dāng)定時(shí)器T1此時(shí)來(lái)中斷時(shí)，就會(huì)對(duì)歌曲播放產(chǎn)生影響，若改為發(fā)音一拍，中斷對(duì)歌曲播放影響減弱，但音樂(lè)效果變差。
d. 改進(jìn)方案：若采用可以定時(shí)時(shí)間更長(zhǎng)的單片機(jī)，可以避免所有問(wèn)題。
收獲，體會(huì)與建議：
1． 本學(xué)期學(xué)習(xí)單片機(jī)的時(shí)間只有8周時(shí)間，對(duì)單片機(jī)的硬件設(shè)計(jì)，軟件設(shè)計(jì)掌握的深度不夠，但通過(guò)此次課程設(shè)計(jì)，卻改變了很多，首先對(duì)于硬件電路的工作原理有了進(jìn)一步的學(xué)習(xí)，同樣就有了進(jìn)一步的認(rèn)識(shí)；其次軟件方面，在程序的設(shè)計(jì)，程序的調(diào)試方面都學(xué)到了很多東西，這是第一次編寫(xiě)單片機(jī)的大程序，很有成就感。
2． 在一個(gè)好的氛圍里才能踏下心來(lái)做東西，在這幾天課設(shè)的時(shí)間里，實(shí)驗(yàn)室的氛圍對(duì)我們的影響很大，大家一起努力，這也是我們能完成課設(shè)的動(dòng)力。另外在編程中出現(xiàn)問(wèn)題時(shí)，一定要戒驕戒躁，腳踏實(shí)地，認(rèn)真看書(shū)，仔細(xì)分析，仔細(xì)調(diào)試，就一定會(huì)發(fā)現(xiàn)錯(cuò)誤，克服困難，我們也是這么做的，這在課設(shè)中十分重要。
3． 最后要提一點(diǎn)建議，希望下一次課程設(shè)計(jì)中，每個(gè)人都能有一塊實(shí)驗(yàn)開(kāi)發(fā)板，這樣能使每個(gè)人都能得到充分的鍛煉！