COUNTER EQU 35H;显示计数
REMVOL  EQU  36H;音量连续控制
DISPBUFF1 EQU 37H;
DISPBUFF2 EQU 38H;
DISPBUFF3 EQU 39H;
DISPBUFF EQU 3AH;
SDA BIT P3.4
SCL BIT P3.2
MTD EQU 30H;PT2258数据首址
NUMBYT EQU 3BH;PT2258数据位数
CS_X1 EQU 3CH;遥控
CS0_X1 EQU 3DH
U0_X1 EQU 3EH;遥控数据暂存区
NO_M EQU 40H;数据码
FRONT EQU 41H
REAR EQU 42H
CEN EQU 43H
S_UB EQU 44H
RVER EQU 45H
CVER EQU 46H
SVER EQU 47H
FVER EQU 48H
PHONE EQU 49H
NO_N EQU 51H
;-----------------------
ORG 0000H
AJMP START
ORG 000BH
AJMP ITT0
ORG 0013H
AJMP INO1
ORG 001BH
AJMP DISP
;------------------------
START:
MOV SP,#60H
MOV PSW,#00H
MOV IE,#00H
MOV IP,#00H
CLR P3.1;刚开机时待机
CLR EA
CLR P3.5;LED显示
SETB P3.7;数码管不显示
MOV P1,#7FH;电源灯亮
SETB P3.2; 
SETB P3.4;让SDA,SLK保持高电平
CLR P3.0;AC-3状态
SETB P3.3
MOV TMOD,#00010001B
MOV TH1,#0f0H
MOV TL1,#60H
MOV TH0,#00H
MOV TL0,#00H
SETB TR0
SETB ET0;开定时器1中断
SETB EA
SETB EX1
SETB IT1
CLR EX0
clr tr1
CLR (29H).0;遥控识别位
mov remvol,#02h
MOV COUNTER,#0H
MOV FRONT,#34H
MOV REAR,#34H
MOV CEN,#34H
MOV S_UB,#34H
MOV RVER,#5H
MOV CVER,#5H
MOV SVER,#5H
MOV FVER,#5H
MOV DISPBUFF,#40H
acall delay;刚开机时不能马上给PT2258送数
NOP
acall delay
nop
acall delay
nop
acall delay
nop
acall delay
nop
MOV 30H,#0C0H
MOV NUMBYT,#01H
ACALL WRNBYT
NOP
NOP
MOV 30H,#0D3H
MOV 31H,#0E4H
MOV NUMBYT,#02H
ACALL WRNBYT
NOP
MOV NO_M,#00H
MOV NO_N,#00H
MOV DISPBUFF3,#0DFH
MAIN:
setb ea
CLR TR1
clr et1
SETB P3.7
MOV P1,#7FH
CLR P3.5
CLR P3.1 ;待机端
SETB P3.2
SETB P3.4
MOV 30H,#0f9H
MOV NUMBYT,#01H
ACALL WRNBYT
NOP
PW_1:
SETB P3.2
SETB P3.4
MOV A,NO_M
JZ PW_1
MOV NO_M,#00H
XRL A,#01H
JNZ PW_1
SETB P3.1
SETB TR1
SETB ET1
CLR (29H).1
acall clmut
NOP
MOV R2,#00H
MOV R3,#0FH
LOOP:
SETB P3.2
SETB P3.4
MOV A,R3
XRL A,#0fh
jnz key
MOV R3,#00h
MOV A,DISPBUFF3
ORL A,#01010110B
MOV DISPBUFF3,A
CLR (29H).2
CLR (29H).3
CLR (29H).4
CLR (29H).5
mov r5,dispbuff
acall disp_vol
NOP
KEY:
MOV A,NO_M
JZ LOOP
MOV NO_M,#00H
RL A
MOV DPTR,#TAB_KEY
NOP
JMP @A+DPTR
TAB_KEY:
AJMP LOOP
AJMP MAIN
AJMP MUTE
AJMP AC_33
AJMP RESET
AJMP STEREO
AJMP FRONT_V
AJMP CEN_V
AJMP REAR_V
AJMP SUB_V
AJMP VOLDN
AJMP VOLUP
AJMP LOOP
AJMP LOOP
RESET:
CLR P3.0;AC-3
MOV FRONT,#34H
MOV REAR,#34H
MOV CEN,#34H
MOV S_UB,#34H
MOV RVER,#5H
MOV CVER,#5H
MOV SVER,#5H
MOV FVER,#5H
MOV DISPBUFF,#40H
MOV DISPBUFF3,#0DFH
MOV 30H,#0D3H
MOV 31H,#0E4H
MOV NUMBYT,#02H
ACALL WRNBYT
NOP
AJMP INPUT_A
AC_33:
mov 30h,#0f9h
mov numbyt,#01h
acall wrnbyt
NOP
acall delay
NOP
MOV DISPBUFF3,#0DFH
CLR P3.0
NOP
AJMP INPUT_A
STERE
mov 30h,#0f9h
mov numbyt,#01h
acall wrnbyt
NOP
acall delay
NOP
MOV DISPBUFF3,#0F7H
SETB P3.0
INPUT_A:
SETB (29H).1
acall delay
NOP
MOV 30H,#0F8H
MOV NUMBYT,#01H
ACALL WRNBYT
NOP
MOV R3,#0FH
mov r2,#00H
NOP
AJMP LOOP
MUTE:
CPL (29H).1
JB (29H).1,MUT_1
MOV 30H,#0F9H
WRN_1:
MOV NUMBYT,#1H
LCALL WRNBYT
NOP
mov r2,#00H
MOV R3,#0FH
NOP
AJMP LOOP
MUT_1:
MOV 30H,#0F8H
MOV A,DISPBUFF3
ORL A,#10000000B
MOV DISPBUFF3,A
NOP
AJMP WRN_1
FRONT_V:
SETB (29H).2
CLR (29H).3
CLR (29H).4
CLR (29H).5
mov r5,fver
MOV A,DISPBUFF3
ANL A,#11101111B
ORL A,#01000110B
NOP
AJMP LOOP_d
REAR_V:
CLR (29H).2
SETB (29H).3
CLR (29H).4
CLR (29H).5
mov r5,rver
MOV A,DISPBUFF3
ANL A,#10111111B
ORL A,#00010110B
NOP
AJMP LOOP_d
CEN_V:
CLR (29H).2
CLR (29H).3
SETB (29H).4
CLR (29H).5
mov r5,cver
MOV A,DISPBUFF3
ANL A,#11111101B
ORL A,#01010100B
NOP
AJMP LOOP_d
SUB_V:
CLR (29H).2
CLR (29H).3
CLR (29H).4
SETB (29H).5
mov r5,sver
MOV A,DISPBUFF3
ANL A,#11111011B
ORL A,#01010010B
loop_d:
MOV DISPBUFF3,A
acall disp_vol
NOP
acall clmut
NOP
MOV R2,#00H
MOV R3,#00H
LOOP_A:
NOP
ajmp loop
CN_VOLUP_1:
NOP
AJMP CN_VOLUP
SB_VOLUP_1:
NOP
AJMP SB_VOLUP
VOLUP:
MOV 30H,#0C0H
MOV NUMBYT,#01H
ACALL WRNBYT
NOP
acall clmut
NOP
MOV R3,#0
JB (29H).2,FR_VOLUP
JB (29H).3,RR_VOLUP
JB (29H).4,CN_VOLUP_1
JB (29H).5,SB_VOLUP_1
MOV A,DISPBUFF
XRL A,#69H
JZ LOOP_A
MOV PHONE,FRONT
ACALL DAA
NOP
MOV FRONT,PHONE
MOV PHONE,REAR
ACALL DAA
NOP
MOV REAR,PHONE
MOV PHONE,CEN
ACALL DAA
NOP
MOV CEN,PHONE
MOV PHONE,S_UB
ACALL DAA
NOP
MOV S_UB,PHONE
MOV PHONE,DISPBUFF
ACALL UAA
NOP
MOV DISPBUFF,PHONE
ACALL FRDATA
NOP
ACALL RRDATA
NOP
ACALL CNDATA
NOP
ACALL SBDATA
NOP
mov r5,dispbuff
NOP
ajmp tt_volup
FR_VOLUP:
MOV A,FVER
XRL A,#10H
JZ LOOP_B
MOV PHONE,FVER
ACALL UAA
NOP
MOV FVER,PHONE
MOV PHONE,FRONT
ACALL DAA
NOP
MOV FRONT,PHONE
ACALL FRDATA
NOP
mov r5,fver
NOP
ajmp tt_volup
LOOP_B:
NOP
AJMP LOOP
RR_VOLUP:
MOV A,RVER
XRL A,#10H
JZ LOOP_B
MOV PHONE,RVER
ACALL UAA
NOP
MOV RVER,PHONE
MOV PHONE,REAR
ACALL DAA
NOP
MOV REAR,PHONE
ACALL RRDATA
NOP
mov r5,rver
NOP
ajmp tt_volup
CN_VOLUP:
MOV A,CVER
XRL A,#10H
JZ LOOP_B
MOV PHONE,CVER
ACALL UAA
NOP
MOV CVER,PHONE
MOV PHONE,CEN
ACALL DAA
NOP
MOV CEN,PHONE
ACALL CNDATA
NOP
mov r5,cver
NOP
ajmp tt_volup
SB_VOLUP:
MOV A,SVER
XRL A,#10H
JZ LOOP_C
MOV PHONE,SVER
ACALL UAA
NOP
MOV SVER,PHONE
MOV PHONE,S_UB
ACALL DAA
NOP
MOV S_UB,PHONE
ACALL SBDATA
NOP
mov r5,sver
tt_volup:
acall disp_vol
NOP
LOOP_C:
NOP
AJMP LOOP
CN_VOLDN_1:
NOP
AJMP CN_VOLDN
SB_VOLDN_1:
NOP
AJMP SB_VOLDN
VOLDN:
acall clmut
NOP
mov r3,#0
JB (29H).2,FR_VOLDN
JB (29H).3,RR_VOLDN
JB (29H).4,CN_VOLDN_1
JB (29H).5,SB_VOLDN_1
MOV A,DISPBUFF
JZ LOOP_C
MOV PHONE,FRONT
ACALL UAA
NOP
MOV FRONT,PHONE
MOV PHONE,REAR
ACALL UAA
NOP
MOV REAR,PHONE
MOV PHONE,CEN
ACALL UAA
NOP
MOV CEN,PHONE
MOV PHONE,S_UB
ACALL UAA
NOP
MOV S_UB,PHONE
MOV PHONE,DISPBUFF
ACALL DAA
NOP
MOV DISPBUFF,PHONE
ACALL FRDATA
NOP
ACALL RRDATA
NOP
ACALL CNDATA
NOP
ACALL SBDATA
NOP
mov r5,dispbuff
NOP
ajmp tt_volup
FR_VOLDN:
MOV A,FVER
JZ LOOP_C
MOV PHONE,FVER
ACALL DAA
NOP
MOV FVER,PHONE
MOV PHONE,FRONT
ACALL UAA
NOP
MOV FRONT,PHONE
ACALL FRDATA
NOP
mov r5,fver
NOP
ajmp tt_volup
RR_VOLDN:
MOV A,RVER
JZ LOOP_E
MOV PHONE,RVER
ACALL DAA
NOP
MOV RVER,PHONE
MOV PHONE,REAR
ACALL UAA
NOP
MOV REAR,PHONE
ACALL RRDATA
NOP
mov r5,rver
NOP
ajmp tt_volup
LOOP_E:
NOP
AJMP LOOP
CN_VOLDN:
MOV A,CVER
JZ LOOP_E
MOV PHONE,CVER
ACALL DAA
NOP
MOV CVER,PHONE
MOV PHONE,CEN
ACALL UAA
NOP
MOV CEN,PHONE
ACALL CNDATA
NOP
mov r5,cver
NOP
ajmp tt_volup
SB_VOLDN:
MOV A,SVE ......

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