专业：电子信息工程 姓名：李昌明 学号：093411128
MOV DPL,@R0 INC R0 MOV A,R4 INC R4
MOVC A,@A+DPTR
MOV 26H,A DEC R4 MOV R0,B
;恢复R0中的内容
;结果存入26H单元中
;********************************************
POP DPL POP DPH POP ACC SETB EA
;恢复现场
RETI ;中断返回
LAST_SONG: PUSH ACC ;上一曲中断程序处理开始，保护现场
PUSH DPH
PUSH DPL CLR EA ;关中断 MOV A,22H ;曲目数送A
CJNE A,#1,QQ ;是否是第一首
MOV 22H,#N ;是第一首歌曲
MOV B,#4 ;将R7指向最后一首歌曲
MOV A,#N-1 MUL AB MOV R7,A
AJMP BACK2 ;处理结束
QQ: DEC 22H MOV A,R7
SUBB A,#4 MOV R7,A
;R7减4
BACK2: MOV R4,#00H
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专业：电子信息工程 姓名：李昌明 学号：093411128
MOV A,22H
MOV DPTR,#OUT_TAB MOVC A,@A+DPTR
MOV OUT_NUM,A ;数码管显视相应歌曲的编号
;******************************************** MOV B,R0
;对下首要演唱的歌曲的几分拍进行调
整,同时对R0中的内容进行保护 MOV R4,#00H MOV R0,#30H MOV A,R7 ADD A,R0 MOV R0,A MOV DPH,@R0 INC R0 MOV DPL,@R0 INC R0 MOV A,R4 INC R4
MOVC A,@A+DPTR
MOV 26H,A DEC R4 MOV R0,B
;R0中的内容恢复
;结果存入26H单元中
;******************************************** POP DPL POP DPH POP ACC
SETB EA
RETI ;中断返回
;恢复现场
START_PAUSE:CPL F0 ;开始/暂停中断处理程序，将标置位取反 JB F0,RETURN
SETB TR0
;为1返回
;为0则播放
RETURN: RETI ;中断返回
27
专业：电子信息工程 姓名：李昌明 学号：093411128
DELAY: MOV 27H,26H ;音符演奏时间控制 D2: MOV 28H,#125 D3: MOV 29H,#248 DJNZ 29H,$ DJNZ 28H,D3 DJNZ 27H,D2 DJNZ R2,DELAY RET OUT_TAB:
DB
3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,77H,7CH,39H,5EH,79H,71H,73H ;共阴数码管显视用 ;OUT_TAB: 8EH,0FFH ;共阳
TABLE: DW SONG1,TABLE1,SONG2,TABLE2,SONG3,TABLE3 TABLE1:DW 64580,64684,64777,64820,64898,64968,65030 DW 63628,63835,64021,64103,64260,64400,64524 SONG1: DB 04H ;1=C 2/4 军港之夜 DB
32H,54H,52H,32H,54H,52H,32H,12H,12H,32H,32H,54H,52H,32H,52H,52H,32H,32H,21H,31H,24H,0E2H,0D1H,0E1H,0D2H,0C2H,14H,14H DB
0C2H,32H,32H,12H,21H,31H,24H,32H,34H,0D2H,0C2H,14H,14H,32H,52H,52H,32H,52H,54H,32H,34H,31H,21H,12H,24H,24H DB
34H,0E2H,0C2H,0D1H,0E1H,0D4H,12H,0E2H,32H,32H,0E2H,0D1H,0E1H,0D4H,0D2H,0E2H,32H,32H,0E2H,0E2H,0D1H,0E1H,0D4H DB
22H,0D1H,11H,0E2H,0D2H,0C4H,0C4H,32H,52H,52H,32H,62H,5H,61H,54H,31H,52H,31H,12H,31H,31H,32H,54H,52H,32H,52H,52H,32H DB
32H,21H,31H,24H,0E2H,0D1H,0E1H,0D2H,0C2H,34H,34H,32H,52H,52,32H,62H,51H,61H,54H,31H,52H,31H,12H,32H,12H,32H,32H,54H,52H
28
DB
0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,88H,83H,0C6H,0A1H,86H,
专业：电子信息工程 姓名：李昌明 学号：093411128
DB
32H,52H,52H,31H,31H,32H,21H,31H,24H,0E2H,0D1H,0E1H,0D2H,0C2H,14H,14H DB
32H,52H,52H,32H,32H,21H,31H,24H,0E2H,0D1H,0E1H,0D2H,0C2H,14H,14H DB
0C2H,32H,32H,12H,21H,31H,24H,32H,34H,0D2H,0C2H,14H,14H,32H,52H,52H,32H,52H,54H,32H,34H,31H,21H,12H,24H,24H DB
34H,0E2H,0C2H,0D1H,0E1H,0D4H,12H,0E2H,32H,32H,0E2H,0D1H,0E1H,0D4H,0D2H,0E2H,32H,32H,0E2H,0E2H,0D1H,0E1H,0D4H DB
22H,0D1H,11H,0E2H,0D2H,0C4H,0C4H,32H,52H,52H,32H,62H,5H,61H,54H,31H,52H,31H,12H,31H,31H,32H,54H,52H,32H,52H,52H,32H DB
32H,21H,31H,24H,0E2H,0D1H,0E1H,0D2H,0C2H,34H,34H,32H,52H,52,32H,62H,51H,61H,54H,31H,52H,31H,12H,32H,12H,32H,32H,54H,52H DB
32H,52H,52H,31H,31H,32H,21H,31H,24H,0E2H,0D1H,0E1H,0D2H,0C2H,14H,14H
DB 32H,52H,52H,32H,32H,21H,31H,24H,74H,0D2H,0C2H,14H,14H,14H,14H DB 00H
TABLE2:DW 63835,64021,64103,64260,64400,64524,64580,64684,64777 DW 64820,64898,64968,65030,65058,65110,65157,65178 SONG2: DB 02H DB 04H,94H DB
0E8H,0E4H,0E4H,0E8H,0E4H,0F4H,0D4H,0C4H,0B4H,84H,84H,92H,92H,94H,92H,02H
DB 0A4H,0A2H,0B2H,0B4H,0C4H,84H,82H,92H,94H,0A4H DB 04H,0C2H,0C2H,0D4H,0C2H,0D2H,0D8H,0D4H,0D2H,92H DB
0E8H,0E4H,0E4H,0E8H,0E4H,0F4H,0D4H,0C4H,0B4H,84H,84H,92H,92H,94H,92H,02H
29
;1=C 4/4 死了都要爱
专业：电子信息工程 姓名：李昌明 学号：093411128
DB 0A4H,0A2H,0B2H,0B4H,0C4H,0E8H,0D8H DB 0C8H,0C8H,08H,08H,78H,28H,38H,34H,24H DB
24H,64H,64H,24H,64H,72H,72H,78H,58H,54H,44H,38H,34H,14H,34H,84H,74H,74H,62H,62H,0D8H,78H,28H,38H,34H,24H DB
24H,64H,64H,24H,64H,72H,72H,72H,94H,92H,94H,0A4H,58H,58H,54H,44H ;#音不准 DB
58H,58H,58H,58H,0A8H,0A8H,0A4H,0B4H,0A4H,84H,0A4H,94H,98H,98H,08H DB
84H,82H,82H,82H,82H,94H,0A2H,94H,92H,82H,74H,72H,74H,72H,72H,72H,72H,92H,91H,91H,94H,54H,74H,94H
;;************************************************* DB
0A8H,0A4H,0A2H,0B2H,0C4H,0B4H,0A4H,0A4H,0A4H,92H,92H,98H,82H,72H,78H,04H,0A4H,0A2H,0B2H,0B4H,0C4H,84H,82H,92H,94H,0A4H DB 04H,0C4H,0D4H,0C4H,0C8H,04H,94H DB
0E8H,0E4H,0E4H,0E8H,0E4H,0F4H,0D4H,0C4H,0B4H,84H,84H,92H,92H,94H,92H,02 DB
0A4H,0A2H,0B2H,0B4H,0C4H,84H,82H,92H,94H,0A4H,04H,0C2H,0C2H,0D4H,0D8H,0D4H,0D2H,92H DB
0E8H,0E4H,0E4H,0E8H,0E4H,0F4H,0D4H,0C4H,0B4H,84H,84H,92H,92H,94H,92H,02 DB
0A4H,0A2H,0B2H,0B4H,0C4H,84H,82H,92H,94H,0A4H,04H,0C2H,0C2H,0D4H,0D8H,0D4H,0D2H,92H ;*************
DB 0A4H,0A2H,0B2H,0B3H,0C4H,0E8H,0D8H DB 0C8H,0C8H,0C8H,08H DB 00H
30