功能齐全的单片机音乐程序

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简介:单片机最小系统,两位LED数码管由串口输出接两个164驱动,Lout,Rout为左右声道输出,SET, ALT0, ALT1为三个按键,也可自己在开始的I/O定义改成你想用的I/O口;12M晶振若用89C51则只可装下约14首歌曲,用89C52则可装下近40曲。

单片机最小系统,两位LED数码管由串口输出接两个164驱动,Lout,Rout为左右声道输出,SET, ALT0, ALT1为三个按键,也可自己在开始的I/O定义改成你想用的I/O口;12M晶振若用89C51则只可装下约14首歌曲,用89C52则可装下近40曲。

源程序

; Electronic Music

; Version 4.50

; Copyright (c) XAJ 2001

;============================

LOUT BIT P1.0 ;左声道输出

ROUT BIT P1.2 ;右声道输出

SET BIT P3.3 ;SET按键

ALT0 BIT P3.6 ;ALT0按键

ALT1 BIT P3.7 ;ALT1按键

;REPNUM EQU 09H重复段编号

STATU EQU 0AH;状态寄存器

LDYDSR EQU 0BH;左低音度数

RDYDSR EQU 0CH;右低音度数

LDYAR EQU 0DH;左低音协助

RDYAR EQU 0EH;右低音协助

JPCLK EQU 0FH;节拍时钟

GENCLK EQU 10H;通用时钟

SNSDCLK EQU 11H;搜、存显示时钟

GEN16T0 EQU 12H;通用16位时钟

GEN16T1 EQU 13H;

SETST0 EQU 14H;设置状态

SETST1 EQU 15H; 定时时钟

DISNUM0 EQU 16H;显示数值

DISNUM1 EQU 17H;寄存器(2位)

CSN EQU 18H;当前曲曲号

REP0L EQU 19H;0号重复段地址

REP0H EQU 1AH;

REP1L EQU 1BH;1号重复段地址

REP1H EQU 1CH;

REP2L EQU 1DH;2号重复段地址

REP2H EQU 1EH

REP3L EQU 1FH;3号重复段地址

REP3H EQU 23H;

COSPEEDN EQU 24H;

SPENR EQU 25H;

LOCF BIT 00H;左声道开关标志

ROCF BIT 01H;右声道开关标志

SECHSTOF BIT 02H;搜索、存储标志

NEXTSF BIT 03H;下一曲标志

CSBESTOF BIT 04H;当前曲锁存/释放

CUYFD BIT 05H;当前音符显示

KSETF BIT 06H;SET键按下标志

KALT0F BIT 07H;ALT0键按下标志

KALT1F BIT 08H;ALT1键按下标志

SPEEDF BIT 09H;速度增/减标志

TONEF BIT 0AH;音调增/减标志

YPBIT BIT 0BH;音频逻辑输出

KBDISF BIT 0CH;键盘显示标志

REP0F BIT 0DH;0号重复段控制

REP1F BIT 0EH;1号重复段控制

REP2F BIT 0FH;2号重复段控制

REP3F BIT 10H;3号重复段控制

SBOTM EQU 25H;堆栈区(栈底)

BUFF0 EQU 43H;锁存曲数

BUFF EQU 44H;锁存曲缓冲区

;============================

;=========BEGIN==============

ORG 0000H

LJMP MAIN

;---------T0INT--------------

ORG 000BH

LJMP T0INT

;---------T1INT--------------

ORG 001BH

LJMP T1INT

;1.音频发生器

;---------YPFSQ(01)----------

ORG 0030H

T0INT: MOV TL0,R4

MOV TH0,R5

PUSH PSW

PUSH ACC

PUSH 01H

JB LOCF,ROPER

MOV R1,#00H

MOV A,LDYAR

T0LLOP: RRC A

MOV YPBIT,C

XCH A,R1

CJNE A,LDYDSR,T0LNEXT

MOV C,YPBIT

MOV LOUT,C

INC LDYAR

; INC P0

SJMP ROPER

T0LNEXT: XCH A,R1

INC R1

SJMP T0LLOP

ROPER: JB ROCF,T0RETI

MOV R1,#00H

MOV A,RDYAR

T0RLOP: RRC A

MOV YPBIT,C

XCH A,R1

CJNE A,RDYDSR,T0RNEXT

MOV C,YPBIT

MOV ROUT,C

INC RDYAR

; INC P2

SJMP T0RETI

T0RNEXT: XCH A,R1

INC R1

SJMP T0RLOP

T0RETI: POP 01H

POP ACC

POP PSW

RETI

;2.通用时钟

;---------CLOCK(02)----------

T1INT: MOV TL1,#0F0H

MOV TH1,#0D8H

PUSH PSW

PUSH ACC

INC JPCLK

INC GENCLK

INC SNSDCLK

MOV A,SNSDCLK

CJNE A,#0FFH,T1NEXT

CLR SECHSTOF

T1NEXT: INC GEN16T0

MOV A,GEN16T0

CJNE A,#100,T1NEXT0

MOV GEN16T0,#00H

INC GEN16T1

T1NEXT0: INC SETST0

MOV A,SETST0

CJNE A,#100,T1RETI

MOV SETST0,#00H

INC SETST1

MOV A,SETST1

CJNE A,#20,T1RETI

MOV SETST1,#00H

MOV STATU,#00H

T1RETI: POP ACC

POP PSW

RETI

;3.显示子程序

;---------DISPLAY(03)--------

DISPLAY: PUSH ACC

PUSH DPL

PUSH DPH

MOV DPTR,#T_FIGCODE

MOV A,DISNUM0

MOVC A,@A DPTR

MOV SBUF,A

JNB TI,$

CLR TI

MOV A,DISNUM1

MOVC A,@A DPTR

MOV SBUF,A

JNB TI,$

CLR TI

POP DPH

POP DPL

POP ACC

RET

T_FIGCODE:

DB 088H,0EBH,04CH,049H

; 0 1 2 3

DB 02BH,019H,018H,0CBH

; 4 5 6 7

DB 008H,009H,00AH,038H

; 8 9 A B

DB 09CH,068H,01CH,01EH

; C D E F

DB 080H,0E3H,044H,041H

; 0. 1. 2. 3.

DB 023H,011H,010H,0C3H

; 4. 5. 6. 7.

DB 000H,001H,002H,030H

; 8. 9. A. B.

DB 094H,060H,014H,016H

; C. D. E. F.

DB 0FFH,02FH,098H,07FH

; 熄灭 # G -

DB 07CH,078H,0BCH,00AH

; c o L R

DB 029H

; Y

;4.主程序MAIN

;---------MAIN(04)-----------

MAIN: MOV R0,#01H

CLR A

CLRAM: MOV @R0,A

INC R0

CJNE R0,#80H,CLRAM

MOV R0,A

MOV SP,#SBOTM

MOV 08H,#BUFF

;MOV 09H,#BUFF

MOV SCON,#00H

MOV TMOD,#11H

MOV TL1,#0F0H

MOV TH1,#0D8H

SETB EA

SETB ET0

SETB ET1

SETB TR1

START: MOV DPTR,#T_SONGS

RYF: LCALL RYFSUP

MOV A,R7

JZ START

CJNE R7,#0FFH,SYF

JBC NEXTSF,NEXTSCL

MOV A,STATU

JNZ GONSBQ

MOV A,BUFF0

JNZ MPSQCL

LCALL PAQSCL

SJMP MQNFD

MPSQCL: LCALL PSQSCL

MQNFD: LCALL QNFDSUP

MOVPJRYF: INC DPTR

INC DPTR

SJMP RYF

NEXTSCL: LCALL CSBESTOJG

JB CSBESTOF,CALLPSCL

LCALL PAQSCL

SJMP MOVPJRYF

CALLPSCL: LCALL PSQSCL

SJMP MOVPJRYF

GONSBQ: LCALL CSDPTR

INC DPTR

INC DPTR

SJMP MOVPJRYF

SYF: CJNE R6,#0FFH,CALLPLAY

LCALL REPCLSUP

SJMP MOVPJRYF

CALLPLAY: LCALL YFDSUP

LCALL PLAY

SJMP MOVPJRYF

;5.读音符子程序

;---------RYFSUP(05)--------

RYFSUP: CLR A

MOVC A,@A DPTR

MOV R6,A

MOV A,#01H

MOVC A,@A DPTR

MOV R7,A

RET

;6.统唱曲首处理

;---------PAQSCL(06)--------

PAQSCL: MOV CSN,R6

INC DPTR

INC DPTR

LCALL RYFSUP

MOV 02H,R6

MOV 03H,R7

RET

;7.存唱曲首处理

;---------PSQSCL(07)--------

PSQSCL: PUSH PSW

SETB RS0

CLR RS1

PSQC7E: CJNE R0,#7EH,PSQNEXT

PSQNEXT: JC PSQNEXT1

MOV R0,#BUFF

SJMP PSQC7E

PSQNEXT1: MOV A,@R0

JNZ PSQNEXT2

INC R0

INC R0

INC R0

SJMP PSQC7E

PSQNEXT2: MOV CSN,@R0

INC R0

MOV 02H,@R0

INC R0

MOV 03H,@R0

INC R0

POP PSW

LCALL CSDPTR

INC DPTR

INC DPTR

RET

;8.曲号闪显子程序

;---------QNFDSUP(08)-------

QNFDSUP: PUSH ACC

MOV GEN16T0,#00H

MOV GEN16T1,#00H

QNGON: LCALL CSNSDISN

LCALL DISPLAY

MOV GENCLK,#00H

QNWAIT: MOV A,GENCLK

CJNE A,#35,QNWAIT

MOV DISNUM0,#20H

MOV DISNUM1,#20H

LCALL DISPLAY

MOV GENCLK,#00H

QNWAIT1: MOV A,GENCLK

CJNE A,#15,QNWAIT1

MOV A,GEN16T1

CJNE A,#02,QNGON

POP ACC

RET

;9.曲号送显示寄存器

;---------CSNSDISN(09)------

CSNSDISN: MOV A,CSN

ANL A,#0FH

LCALL CSBESTOJG

JNB CSBESTOF,NADP

ADD A,#10H

NADP: MOV DISNUM0,A

MOV A,CSN

SWAP A

ANL A,#0FH

MOV DISNUM1,A

RET

;10.当前曲是否被存储判断

;---------CSBESTOJG(10)-----

CSBESTOJG:PUSH ACC

PUSH PSW

MOV A,BUFF0

JZ CLRCSTOF

MOV R0,#BUFF

CSBCMPCSN:MOV A,@R0

CJNE A,CSN,CSBGSCAN

SETB CSBESTOF

SJMP CSBRET

CSBGSCAN: INC R0

INC R0

INC R0

CJNE R0,#7EH,CSBNEXT

CSBNEXT: JC CSBCMPCSN

CLRCSTOF: CLR CSBESTOF

MOV R0,#BUFF

CSBCMP0: MOV A,@R0

JZ CSBRET

INC R0

INC R0

INC R0

CJNE R0,#7EH,CSBNEXT1

CSBNEXT1: JC CSBCMP0

CSBRET: POP PSW

POP ACC

RET

;11.找当前曲首址

;---------CSDPTR(11)--------

CSDPTR: MOV DPTR,#T_SONGS

CSDSCAN: LCALL RYFSUP

CJNE R7,#0FFH,CSDNEXT

MOV A,R6

CJNE A,CSN,CSDNEXT

SJMP CSDRET

CSDNEXT: INC DPTR

INC DPTR

SJMP CSDSCAN

CSDRET: RET

;12.重复段处理子程序

;---------REPCLSUP(12)------

REPCLSUP: MOV A,R7

ANL A,#0FH

CJNE A,#02H,CMPA3

MOV A,R7

SWAP A

ANL A,#0FH

JNZ H4CMP1

JNB REP0F,REPRET0

CLR REP0F

MOV DPL,REP0L

MOV DPH,REP0H

REPRET0: RET

H4CMP1: CJNE A,#01H,H4CMP2

JNB REP1F,REPRET

CLR REP1F

MOV DPL,REP1L

MOV DPH,REP1H

RET

H4CMP2: CJNE A,#02H,H4CMP3

JNB REP2F,REPRET

CLR REP2F

MOV DPL,REP2L

MOV DPH,REP2H

RET

H4CMP3: CJNE A,#03H,REPRET

JNB REP3F,REPRET

CLR REP3F

MOV DPL,REP3L

MOV DPH,REP3H

RET

CMPA3: CJNE A,#03H,REPRET

MOV A,R7

SWAP A

ANL A,#0FH

JNZ H4VS1

SETB REP0F

MOV REP0L,DPL

MOV REP0H,DPH

SJMP SREPHAD

H4VS1: CJNE A,#01H,H4VS2

SETB REP1F

MOV REP1L,DPL

MOV REP1H,DPH

SJMP SREPHAD

H4VS2: CJNE A,#02H,H4VS3

SETB REP2F

MOV REP2L,DPL

MOV REP2H,DPH

SJMP SREPHAD

H4VS3: CJNE A,#03H,REPRET

SETB REP3F

MOV REP3L,DPL

MOV REP3H,DPH

SREPHAD: MOV 09H,A

LCALL CSDPTR

REPGON: INC DPTR

INC DPTR

LCALL RYFSUP

CJNE R6,#0FFH,REPGON

MOV A,R7

SWAP A

ANL A,#0FH

CJNE A,09H,REPGON

REPRET: RET

;13.音符显示子程序

;---------YFDSUP(13)--------

YFDSUP: MOV A,STATU

JNZ YFDRET

JB SECHSTOF,YFDRET

JNB CUYFD,YFSLED

XZFCLD: MOV DISNUM0,#20H

MOV DISNUM1,#20H

SJMP YFDSPLAY

YFSLED: MOV A,R6

JZ XZFCLD

ANL A,#0FH

PUSH DPL

PUSH DPH

MOV DPTR,#T_YFDCOD

MOVC A,@A DPTR

MOV DISNUM0,A

POP DPH

POP DPL

MOV A,R6

SWAP A

ANL A,#0FH

MOV DISNUM1,A

YFDSPLAY: LCALL DISPLAY

YFDRET: RET

T_YFDCOD: DB 20H ;--

DB 01H ; 1

DB 02H ; 2

DB 03H ; 3

DB 04H ; 4

DB 05H ; 5

DB 06H ; 6

DB 07H ; 7

DB 11H ;#1

DB 12H ;#2

DB 14H ;#4

DB 15H ;#5

DB 16H ;#6

;14.唱音符子程序

;---------PLAY(14)----------

PLAY: MOV A,R6

JZ PCOSPECL

PUSH DPL

PUSH DPH

MOV DPTR,#T_SD

ANL A,#0FH

MOVC A,@A DPTR

XCH A,R6

SWAP A

ANL A,#0FH

MOV B,#12

MUL AB

ADD A,R6

ADD A,R2

RL A

MOV R6,A

MOV DPTR,#T_RAN

MOVC A,@A DPTR

MOV TH0,A

MOV R5,A

MOV A,R6

INC A

MOVC A,@A DPTR

MOV TL0,A

MOV R4,A

POP DPH

POP DPL

SETB TR0

PCOSPECL: LCALL COSPECL

PJPWAIT: MOV JPCLK,#00H

PDELAY: LCALL KCXCL

JB NEXTSF,PRET

MOV A,JPCLK

CJNE A,01H,PNEXT

PNEXT: JC PDELAY

DJNZ R7,PJPWAIT

PRET: CLR TR0

RET

;---------TABSD-------------

T_SD: DB 01h ;useless

DB 01H

DB 03H

DB 05H

DB 06H

DB 08H

DB 0AH

DB 0CH

DB 02H

DB 04H

DB 07H

DB 09H

DB 0bH

;---------TABRAN------------

T_RAN: DW 0F111H ;useless

dw 0f111h ; area 0

dw 0f1e8h

dw 0f2b2h

dw 0f373h

dw 0f426h

dw 0f4eeh

dw 0f571h

dw 0f609h

dw 0f699h

dw 0f71fh

dw 0f79fh

dw 0f817h

dw 0f889h ; area 1

dw 0f8f4h

dw 0f95ah

dw 0f9b9h

dw 0fa13h

dw 0fa68h

dw 0fab9h

dw 0fb04h

dw 0fb4ch

dw 0fb90h

dw 0fbcfh

dw 0fc0ch

dw 0fc45h ;area 2

dw 0fc7ah

dw 0fcadh

dw 0fcdch

dw 0fd0ah

dw 0fd34h

dw 0fd5ch

dw 0fd82h

dw 0fda6h

dw 0fdc8h

dw 0fde8h

dw 0fe06h

dw 0fe22h ; area 3

dw 0fe3dh

dw 0fe56h

dw 0fe6eh

dw 0fe85h

dw 0fe9ah

dw 0feaeh

dw 0fec1h

dw 0fed3h

dw 0fee3h

dw 0fef4h

dw 0ff02h

dw 0ff11h ;area 4

dw 0ff1fh

dw 0ff2bh

dw 0ff37h

dw 0ff42h

dw 0ff4dh

dw 0ff57h

dw 0ff60h

dw 0ff6ah

dw 0ff72h

dw 0ff7ah

dw 0ff81h

dw 0ff89h ; 5

;15.共速处理

;---------COSPECL(15)-------

COSPECL: MOV R1,03H

MOV A,COSPEEDN

JZ COSPRET

PUSH COSPEEDN

MOV A,R1

COSPEGON: MOV B,#08H

MUL AB

CLR C

SUBB A,R1

JNC COSPNEXT

DEC B

COSPNEXT: MOV R6,#03H

DIV8: CLR C

XCH A,B

RRC A

XCH A,B

RRC A

DJNZ R6,DIV8

MOV R1,A

DJNZ COSPEEDN,COSPEGON

POP COSPEEDN

MOV A,R1

JNZ COSPRET

MOV R1,#01H

COSPRET: RET

;16.键盘查询处理

;---------KCXCL(16)---------

KCXCL: LCALL KSET

LCALL KALT0

LCALL KALT1

JNB KSETF,KNEXT0

LCALL KSETCL

KSETSTC: MOV SETST0,#00H

MOV SETST1,#00H

SETB KBDISF

SJMP KDIS

KNEXT0: JNB KALT0F,KNEXT1

LCALL KALT0CL

SJMP KSETSTC

KNEXT1: JNB KALT1F,KDIS

LCALL KALT1CL

SJMP KSETSTC

KDIS: MOV A,STATU

JNZ KSSNSD

JNB SECHSTOF,KRET

KSSNSD: JNB KBDISF,KRET

CLR KBDISF

LCALL DISPLAY

KRET: RET

;17.KSET键是否按下查询

;---------KSET(17)----------

KSET: SETB SET

JB SET,CSETRET

MOV GENCLK,#00H

SETLOP: MOV A,GENCLK

CJNE A,#02,SETLOP

SETB SET

JB SET,CSETRET

CLR TR0

SETWAIT: SETB SET

JNB SET,SETWAIT

MOV GENCLK,#00H

SETLOP1: MOV A,GENCLK

CJNE A,#02,SETLOP1

SETB TR0

SETB KSETF

RET

CSETRET: CLR KSETF

RET

;18.KALT0键是否按下查询

;---------KALT0(18)---------

KALT0: SETB ALT0

JB ALT0,CALT0RET

MOV GENCLK,#00H

ALT0LOP: MOV A,GENCLK

CJNE A,#02,ALT0LOP

SETB ALT0

JB ALT0,CALT0RET

CLR TR0

ALT0WAIT: SETB ALT0

JNB ALT0,ALT0WAIT

MOV GENCLK,#00H

ALT0LOP1: MOV A,GENCLK

CJNE A,#02,ALT0LOP1

SETB TR0

SETB KALT0F

RET

CALT0RET: CLR KALT0F

RET

;19.KALT1键是否按下查询

;---------KALT1(19)---------

KALT1: SETB ALT1

JB ALT1,CALT1RET

MOV GENCLK,#00H

ALT1LOP: MOV A,GENCLK

CJNE A,#02,ALT1LOP

SETB ALT1

JB ALT1,CALT1RET

CLR TR0

ALT1WAIT: SETB ALT1

JNB ALT1,ALT1WAIT

MOV GENCLK,#00H

ALT1LOP1: MOV A,GENCLK

CJNE A,#02,ALT1LOP1

SETB TR0

SETB KALT1F

RET

CALT1RET: CLR KALT1F

RET

;20.SET键处理

;---------KSETCL(20)--------

KSETCL: INC STATU

MOV A,STATU

CJNE A,#07H,STATUDIS

MOV STATU,#00H

STATUDIS: MOV DISNUM0,#23H

MOV DISNUM1,STATU

RET

;21.KALT0键处理

;---------KALT0CL(21)-------

KALT0CL: MOV A,STATU

JNZ CASEB1

KA0S0GO: INC DPTR

INC DPTR

LCALL RYFSUP

MOV A,R7

JNZ EQUFF

MOV DPTR,#T_SONGS

SJMP KA0NEXT

EQUFF: INC A

JNZ KA0S0GO

KA0NEXT: LCALL RYFSUP

MOV CSN,R6

LCALL CSNSDISN

MOV A,DPL

CLR C

SUBB A,#02H

JNC KA0NEXT1

DEC DPH

KA0NEXT1: MOV DPL,A

CLR REP0F

CLR REP1F

CLR REP2F

CLR REP3F

SETB NEXTSF

SETB SECHSTOF

RET

CASEB1: CJNE A,#01H,CASEB2

INC LDYDSR

MOV A,LDYDSR

CJNE A,#04H,LDYDSL4

MOV LDYDSR,#00H

LDYDSL4: MOV DISNUM0,LDYDSR

MOV DISNUM1,#26H

RET

HCOSPEEDN EQU 12H

CASEB2: CJNE A,#02H,CASEB3

MOV A,COSPEEDN

CJNE A,#HCOSPEEDN,KA0NEXT4

KA0NEXT4: JNC KA0NEXT5

INC COSPEEDN

KA0NEXT5: MOV SPENR,COSPEEDN

LCALL SPENSDISN

RET

CASEB3: CJNE A,#03H,CASEB4

CLR SPEEDF

LCALL SPEEDCL

RET

CASEB4: CJNE A,#04H,CASEB5

CLR TONEF

LCALL TONECL

RET

CASEB5: CJNE A,#05H,CASEB6

CPL LOCF

JNB LOCF,KA0NEXT2

MOV DISNUM0,#24H

SJMP KA0NEXT3

KA0NEXT2: MOV DISNUM0,#25H

KA0NEXT3: MOV DISNUM1,#26H

RET

CASEB6: CJNE A,#06H,KA0RET

CPL CUYFD

JNB CUYFD,KA0NEXT6

MOV DISNUM0,#24H

SJMP KA0NEXT7

KA0NEXT6: MOV DISNUM0,#25H

KA0NEXT7: MOV DISNUM1,#28H

KA0RET: RET

;22.速度数送显示寄存器

;---------SPENSDISN(22)----

SPENSDISN:MOV A,SPENR

ANL A,#0FH

MOV DISNUM0,A

MOV A,SPENR

SWAP A

ANL A,#0FH

MOV DISNUM1,A

RET

;23.速度处理

;---------SPEEDCL(23)------

HSPEED EQU 02H;

LSPEED EQU 50H;

SPEEDCL: JB SPEEDF,DNSPEED

CJNE R3,#HSPEED,SCLNEXT

SCLNEXT: JC SCLNEXT1

DEC R3

SJMP SCLNEXT1

DNSPEED:

CJNE R3,#LSPEED,SCLNEXT2

SCLNEXT2: JNC SCLNEXT1

INC R3

SCLNEXT1: LCALL CSBESTOJG

JNB CSBESTOF,SCLNEXT3

INC R0

INC R0

MOV @R0,03H

SCLNEXT3: LCALL COSPECL

MOV SPENR,R1

LCALL SPENSDISN

RET

;24.音调处理

;---------TONECL(24)---------

;LTONE EQU 00 ;C

HTONE EQU 11 ;B

TONECL: JB TONEF,DNTONE

CJNE R2,#HTONE,TCLNEXT0

TCLNEXT0: JNC TCLNEXT

INC R2

SJMP TCLNEXT

DNTONE: MOV A,R2

JZ TCLNEXT

DEC R2

TCLNEXT: LCALL CSBESTOJG

JNB CSBESTOF,TCLNEXT1

INC R0

MOV @R0,02H

TCLNEXT1: PUSH DPL

PUSH DPH

MOV DPTR,#T_TONDISC

MOV A,R2

RL A

MOVC A,@A DPTR

MOV DISNUM1,A

MOV A,R2

RL A

INC A

MOVC A,@A DPTR

MOV DISNUM0,A

POP DPH

POP DPL

RET

T_TONDISC:DW 200CH ; C

DW 210CH ;#C

DW 200DH ; D

DW 210DH ;#D

DW 200EH ; E

DW 200FH ; F

DW 210FH ;#F

DW 2022H ; G

DW 2122H ;#G

DW 200AH ; A

DW 210AH ;#A

DW 200BH ; B

;25.KALT1键处理

;---------KALT1CL(25)--------

KALT1CL: MOV A,STATU

JNZ CASE1

LCALL CSBESTOJG

JNB CSBESTOF,KA1NEXT

MOV @R0,#00H

DEC BUFF0

SJMP KA1NEXT2

KA1NEXT: CJNE R0,#7EH,KA1NEXT1

KA1NEXT1: JNC KA1NEXT2

MOV @R0,CSN

INC R0

MOV @R0,02H

INC R0

MOV @R0,03H

INC BUFF0

KA1NEXT2: LCALL CSNSDISN

SETB SECHSTOF

RET

CASE1: CJNE A,#01H,CASE2

INC RDYDSR

MOV A,RDYDSR

CJNE A,#04H,RDYDSL4

MOV RDYDSR,#00H

RDYDSL4: MOV DISNUM0,RDYDSR

MOV DISNUM1,#27H

RET

CASE2: CJNE A,#02H,CASE3

MOV A,COSPEEDN

JZ KA1NEXT5

DEC COSPEEDN

KA1NEXT5: MOV SPENR,COSPEEDN

LCALL SPENSDISN

RET

CASE3: CJNE A,#03H,CASE4

SETB SPEEDF

LCALL SPEEDCL

RET

CASE4: CJNE A,#04H,CASE5

SETB TONEF

LCALL TONECL

RET

CASE5: CJNE A,#05H,CASE6

CPL ROCF

JNB ROCF,KA1NEXT3

MOV DISNUM0,#24H

SJMP KA1NEXT4

KA1NEXT3: MOV DISNUM0,#25H

KA1NEXT4: MOV DISNUM1,#27H

RET

CASE6: CJNE A,#06H,KA1RET

MOV DISNUM0,#23H

MOV DISNUM1,#06H

KA1RET: RET

;========= 乐曲表============

;---------SONGS--------------

T_SONGS: 乐曲表表首

dw 01ffh,;song1:xiao la ba...

dw 0b05h,

dw 2504h,

dw 2604h,

dw 2506h,

dw 0002h,

dw 2504h,

dw 2604h,

dw 2506h,

dw 0002h,

dw 2504h,

dw 2604h,

dw 2504h,

dw 2304h,

dw 2204h,

dw 2104h,

dw 2206h,

DW 16FFH;SONG16:Liang Zhi Lao Hu

DW 0715H

DW 0FF21H ;REP21

DW 0FF01H ;REP01

DW 2102H

DW 2202H

DW 2302H

DW 2102H

DW 0FF02H ;REP02

DW 0FF03H ;REP03

DW 2302H

DW 2402H

DW 2504H

DW 2302H

DW 2402H

DW 2504H

DW 0FF11H ;REP11

DW 2501H

DW 2601H

DW 2501H

DW 2401H

DW 2302H

DW 2102H

DW 0FF12H ;REP12

DW 0FF13H ;REP13

DW 2202H

DW 1502H

DW 2104H

DW 2202H

DW 1502H

DW 2104H

DW 0FF22H ;REP22

DW 0FF23H ;REP23

DW 0000H ;乐曲表表尾

END

;=========END================

注:设计者手头有近40首曲子的音乐数据(花了大量时间对简谱进行手工转换!),而每块

AT89C51的4KROM种除指令外剩下空间只可放14首左右。

这里给出第一曲和第16曲《两只老虎》作一示例。

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