NUM EQU 30H
UP EQU P3.6
DN EQU P3.7
ORG 0000H
AJMP START ;Fosc＝12MHz
ORG 000BH ;T0 中断入口地址
AJMP INT_T0
ORG 001BH ;T1 中断入口地址
AJMP INT_T1
START:
MOV SP, #60H
MOV TMOD, #11H
MOV IE, #8AH
MOV IP, #08H ;T1中断优先于T0中断
MOV TH1, #3CH
MOV TL1, #0BH ;以上为系统初始化，T=60ms
W1: MOV P2, #01110001B ;等待提示"F" ,01110001
LCALL GETKEY
CJNE A, #0FFH, W1
MOV A, B
CJNE A, #0AH, W2
LCALL KEY_A ;输入键是'A',转KEY_A
SJMP W1
W2: CJNE A, #0BH, W3
LCALL KEY_B ;输入键是'B',转KEY_B
W3: CJNE A, #0CH, W4
LCALL KEY_C ;输入键是'C',转KEY_C
W4: CJNE A, #0DH, W5
LCALL KEY_D
SJMP W1 ;输入键是'D',转KEY_D
W5: CJNE A,#0EH,W6 ;下一首
INC NUM
MOV A,NUM
CJNE A,#4,W51
W51:
JC W52
MOV NUM,#0
W52:
MOV A,NUM
SJMP D0
W6: CJNE A,#0FH,W7 ;上一首
MOV A,NUM
JNZ W61
MOV NUM,#4
W61:
DEC NUM
MOV A,NUM
SJMP D0
W7:
SJMP W1
KEY_A: ;从1～4按顺序播放
LCALL MUSIC1 ;乐曲《我和你》
LCALL MUSIC2 ;乐曲《万水千山总是情》
LCALL MUSIC3 ;乐曲《送别》
LCALL MUSIC4 ;乐曲《北京欢迎您》
RET
KEY_B: ;从1～4循环播放
T11: LCALL KEY_A
SJMP T11
RET
KEY_C: ;循环播放某一乐曲
T3: LCALL GETWORD
CJNE A, #0FFH, T3
MOV A, B
D0:
JNZ D1
SJMP E0
D1: DEC A
JNZ D2
SJMP E1
D2: DEC A
JNZ E3
SJMP E2
E0: LCALL MUSIC1 ;乐曲《我和你》
SJMP E0
E1: LCALL MUSIC2 ;乐曲《万水千山总是情》
SJMP E1
E2: LCALL MUSIC3 ;乐曲《送别》
SJMP E2
E3: LCALL MUSIC4 ;乐曲《北京欢迎您》
SJMP E3
RET
KEY_D: ;从某一乐曲开始播放，播放完后停止
T2: LCALL GETWORD
CJNE A, #0FFH, T2
MOV A, B
CJNE A, #00H, B1
SJMP C0
B1: CJNE A, #01H, B2
SJMP C1
B2: CJNE A, #02H, C3
SJMP C2
C0: LCALL MUSIC1 ;乐曲《我和你》
C1: LCALL MUSIC2 ;乐曲 《万水千山总是情》
C2: LCALL MUSIC3 ;乐曲《送别》
C3: LCALL MUSIC4 ;乐曲《北京欢迎您》
RET
MUSIC1: ;第一首《我和你》
MOV P2, #00000110B ;显示1,00000110
MOV R5, #11111001B
MOV 52H, #HIGH TABLE10
MOV 53H, #LOW TABLE10
MOV NUM,#0
LCALL music
RET
MUSIC2: ;第二首《万水千山总是情》
MOV P2, #01011011B ;显示2,01011011
MOV R5, #10100100B
MOV 52H, #HIGH TABLE20
MOV 53H, #LOW TABLE20
MOV NUM,#1
LCALL music
RET
MUSIC3: ;第三首《送别》
MOV P2, #01001111B ;显示3,01001111
MOV R5, #10110000B
MOV 52H, #HIGH TABLE30
MOV 53H, #LOW TABLE30
MOV NUM,#2
LCALL music
RET
MUSIC4: ;第四首《北京欢迎您》
MOV P2, #01100110B ;显示4,01100110
MOV R5, #10011001B
MOV 52H, #HIGH TABLE40
MOV 53H, #LOW TABLE40
MOV NUM,#3
LCALL music
RET
music: MOV R3,#00H ;音乐解码器
NEXT20:
MOV A,P3
ORL A,#0C0H
MOV P3,A
MOV A,P3
CPL A
ANL A,#0C0H
JZ NEXT21
POP ACC
POP ACC
LJMP W1
RET
NEXT21:
MOV A, R3
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 W11
;----------------------------------------------------------
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
W11:
LCALL DELAY3
INC R3
LJMP NEXT20
;-----------------------------------------------------------
STOP:
CLR TR0
CLR TR1
RET
;***************************************************
;定时器0中断子程序
;***************************************************
INT_T0:
CLR TR0
MOV TL0, 20H
MOV TH0, 21H
CPL P3.0
SETB TR0
RETI
;***************************************************
;定时器1中断子程序
;***************************************************
INT_T1:
CLR TR1
CLR TR0
LCALL KEY_E
MOV TH1, #3CH
MOV TL1, #0BH
DJNZ 60H, OUT
MOV 60H, #20
OUT:
SETB TR1
RETI
KEY_E:
JB P3.1, L2 ;中断键盘检测
LCALL DELAY2 ;消除抖动
JB P3.1, L2 ;如果是高电平就跳到L2
JNB P3.1, $ ;如果仍然是低电平就执行中断程序
MOV P2, #0111100B ;让LED显示E,01111001
L3: JB P3.1, $ ;检测低电平，直到低电平时才跳出该指令
LCALL DELAY2
JB P3.1, L3
JNB P3.1, $ ;如果再来一个高电平才跳出中断
MOV P2,R5
L2: SETB TR0
RET
GETKEY: ;读A B C D键盘子程序
SA: JB P1.0, SB ;读A,是高电平表示没有按键，跳转到SB
LCALL DELAY2
JB P1.0, SA
JNB P1.0, $
MOV P2, #01110111B ;显示A,01110111
MOV R5, #10001000B
MOV A, #0FFH
MOV B, #0AH
RET
SB: JB P1.1, C11 ;读B，是高电平表示没有按键按下，跳转到C11
LCALL DELAY2
JB P1.1, SB
JNB P1.1, $
MOV P2, #01111100B ;显示B,01111100
MOV R5, #10000011B
MOV A, #0FFH
MOV B, #0BH
RET
C11:JB P1.2, ED1 ;读C
LCALL DELAY2
JB P1.2, C11
JNB P1.2, $
MOV P2, #00111001B ;显示C,00111001
MOV R5, #11000110B
MOV A, #0FFH
MOV B, #0CH
RET
ED1:
JB P1.3, L0 ;读D
LCALL DELAY2
JB P1.3, ED1
JNB P1.3, $
MOV P2, #01011110B ;显示D,01011110
MOV R5, #10100001B
MOV A, #0FFH
MOV B, #0DH
L0: JB UP,L01
LCALL DELAY2
JB UP,L01
JNB UP,$
MOV A,#0FFH
MOV B,#0EH
RET
L01:
JB DN,L02
LCALL DELAY2
JB DN,L02
JNB DN,$
MOV A,#0FFH
MOV B,#0FH
L02:
RET
GETWORD: ;读音乐序号子程序
S1: JB P1.4, S2 ;读1键
LCALL DELAY2
JB P1.4, S1
JNB P1.4, $
MOV P2, #00000110B ;显示1
MOV R5, #11111001B
MOV A, #0FFH
MOV B, #00H
RET
S2: JB P1.5, S3 ;读2键
LCALL DELAY2
JB P1.5, S2
JNB P1.5, $
MOV P2, #01011011B ;显示2
MOV R5, #10100100B
MOV A, #0FFH
MOV B, #01H
RET
S3: JB P1.6,S4 ;读3键
LCALL DELAY2
JB P1.6,S3
JNB P1.6,$
MOV P2,#01001111B ;显示3
MOV R5,#10110000B
MOV A,#0FFH
MOV B,#02H
RET
S4: JB P1.7, L1 ;读4键
LCALL DELAY2
JB P1.7, S1
JNB P1.7, $
MOV P2, #01100110B ;显示4
MOV R5, #10011001B
MOV A, #0FFH
MOV B, #03H
L1: RET
DELAY: ;延时子程序
PUSH 0 ;保存现场
PUSH 1
MOV 0, #0H
DELAY1: MOV 1, #0H
DJNZ 1, $
DJNZ 0, DELAY1
POP 1 ;恢复现场
POP 0
RET
DELAY2: MOV 41H, #100 ;延时子程序2
F1: MOV 42H, #250
DJNZ 42H, $
DJNZ 41H, F1
RET
DELAY3: ;延时子程序3
MOV R7, #2
W22: MOV R4, #125
W33: MOV R0, 248
DJNZ R0, $
DJNZ R4, W33
DJNZ R7, W22
DJNZ R1, DELAY3
RET
TABLE00: ;频率表
DW 64260,64400,64524,64580 ;简码值 低音5, 低音6, 低音7,1
DW 64684,64777,64820,64898 ; 简码值 2,3,4,5
DW 64968,65030,65058,65110 ; 简码值 6,7,高音1,高音
DW 65157,65178,65217 ;简码值 高音3,高音4,高音5
;--------------------------------------------------------------------
;第一首《我和你》
;--------------------------------------------------------------------
TABLE10: DB 64H,82H,42H,48H
DB 54H,64H,18H
DB 44H,54H,64H,84H
DB 5CH
DB 64H,84H,44H,04H,42H
DB 54H,64H,28H
DB 54H,14H,54H,64H
DB 4CH
DB 98H,88H
DB 98H,48H
DB 64H,24H,64H,84H
DB 5CH
DB 64H,82H,42H,48H
DB 54H,64H, 28H
DB 54H,14H,54H,34H
DB 4CH
DB 00H
;--------------------------------------------------------------------
;第二首《万水千山总是情》
;--------------------------------------------------------------------
TABLE20: DB 64H,74H,84H,04H,82H,94H,84H,6CH
DB 54H,44H,04H,62H,54H,44H,2CH
DB 24H,18H, 44H,54H,64H,84H,94H,64H,5CH
DB 64H,74H,84H,04H,82H,94H,84H,6CH
DB 54H,44H,04H,62H,54H,44H,2CH
DB 24H,18H, 44H,64H,54H,04H,42H,24H,44H,4CH
DB 64H,84H,9CH,0A4H,94H,74H,84H,04H,92H,8CH,64H,88H
DB 64H,84H,9CH,0A4H,0A4H,94H,84H,64H,5CH
DB 64H,74H, 84H,04H,82H,94H,84H,6CH
DB 54H,44H,04H,62H,54H,44H,2CH
DB 24H,18H,44H,64H,54H,42H,24,44H,4CH
DB 00H
;--------------------------------------------------------------------
;第三首《送别》
;--------------------------------------------------------------------
TABLE30: DB 84H,62H,82H,0B8H
DB 94H,0B2H,92H,88H
DB 84H,42H,52H,64H,52H,44H
DB 5CH
DB 84H,62H,82H,0B4H,04H,82H
DB 94H,0B4H, 88H
DB 84H,52H,62H,74H,04H,32H
DB 4CH
DB 94H,0B4H,0B8H
DB 0A4H,92H,0A2H,0B8H
DB 92H,0A2H,0B2H,92H,92H,82H,62H,42H
DB 5CH
DB 84H,62H,82H,0B4H,04H,0A2H
DB 94H,0B4H,88H
DB 84H,52H,62H,74H,04H,32H
DB 4CH
DB 00H
;--------------------------------------------------------------------
;第四首《北京欢迎您》
;--------------------------------------------------------------------
TABLE40: DB 62H,82H,62H,52H,12H
DB 62H,52H,12H,64H
DB 62H,52H,22H,42H
DB 62H,54H
DB 52H,42H,22H,42H
DB 52H,62H,82H,52H
DB 62H,92H,82H,12H
DB 52H,44H
DB 52H,42H,22H,42H
DB 52H,62H,82H,52H
DB 62H,92H,82H,82H
DB 68H
DB 52H,62H,52H,42H
DB 82H,92H,64H
DB 22H,62H,64H
DB 54H,64H
DB 64H,84H
DB 0B2H,82H,94H
DB 02H,92H,82H,62H
DB 62H, 82H,88H
DB 00H
END
你要先有多首歌曲的转化为代码曲库
其他还是比较容易的
你知道，做完这个题目，需要多少时间吗？
要画图，要写程序，还要写报告。这是一份完成的毕业设计吗？工作量有多大？
还用汇编写程序？行，你慢慢等吧，祝你好梦成真。
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