?? at89c2051.asm
字號:
; AT89C2051＋74LS47電子計時器.hex
; IC Body: MCS-51
; Date: 2008-9-8
ORG 0000H
Q0000: LJMP Q0575
;==========================================================================
Q0003: DB 00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H
Q000B: DB 02H, 02H, 0CH ;...
;==========================================================================
Q000E: MOV R3,#00H
MOV R2,#00H
MOV R1,#08H
MOV 13H,#02H
MOV R5,#20H
MOV R7,#0A0H
LCALL Q02F9
MOV R7,#0FFH
LCALL Q056E
MOV R3,#00H
MOV R2,#00H
MOV R1,#0AH
MOV 13H,#02H
MOV R5,#40H
MOV R7,#0A0H
LCALL Q02F9
MOV R7,#0FFH
LCALL Q056E
MOV R3,#00H
MOV R2,#00H
MOV R1,#0CH
MOV 13H,#02H
MOV R5,#60H
MOV R7,#0A0H
LCALL Q02F9
CLR A
MOV R7,A
Q004A: MOV A,#0AH
ADD A,R7
MOV R0,A
MOV A,@R0
MOV R6,A
MOV A,#08H
ADD A,R7
MOV R0,A
MOV A,@R0
CJNE A,06H,Q005C
INC R7
CJNE R7,#02H,Q004A
Q005C: CJNE R7,#02H,Q0063
SETB 20H.4
SJMP Q0065
Q0063: CLR 20H.4
Q0065: CLR A
MOV R7,A
Q0067: MOV A,#0CH
ADD A,R7
MOV R0,A
MOV A,@R0
MOV R6,A
MOV A,#0AH
ADD A,R7
MOV R0,A
MOV A,@R0
CJNE A,06H,Q0079
INC R7
CJNE R7,#02H,Q0067
Q0079: CJNE R7,#02H,Q0080
SETB 20H.5
SJMP Q0082
Q0080: CLR 20H.5
Q0082: CLR A
MOV R7,A
Q0084: MOV A,#0CH
ADD A,R7
MOV R0,A
MOV A,@R0
MOV R6,A
MOV A,#08H
ADD A,R7
MOV R0,A
MOV A,@R0
CJNE A,06H,Q0096
INC R7
CJNE R7,#02H,Q0084
Q0096: CJNE R7,#02H,Q009D
SETB 20H.6
SJMP Q009F
Q009D: CLR 20H.6
Q009F: JB 20H.4,Q00A5
JNB 20H.6,Q00AD
Q00A5: MOV 16H,08H
MOV 17H,09H
SJMP Q00BF
Q00AD: JNB 20H.5,Q00B8
MOV 16H,0AH
MOV 17H,0BH
SJMP Q00BF
Q00B8: CLR EA
CLR A
MOV 17H,A
MOV 16H,A
Q00BF: MOV A,16H
SETB C
SUBB A,#63H
JNC Q00CC
MOV A,16H
SUBB A,#3BH
JC Q00D3
Q00CC: CLR A
MOV 17H,A
MOV 16H,A
CLR EA
Q00D3: MOV A,16H
JNZ Q00DD
MOV A,17H
JNZ Q00DD
CLR EA
Q00DD: SETB 20H.1
RET
;==========================================================================
Q00E0: CJNE R3,#01H,Q00EF
MOV A,DPL
ADD A,R1
MOV DPL,A
MOV A,DPH
ADDC A,R2
MOV DPH,A
MOVX A,@DPTR
RET
;==========================================================================
Q00EF: JNC Q00F7
MOV A,R1
ADD A,DPL
MOV R0,A
MOV A,@R0
RET
;==========================================================================
Q00F7: CJNE R3,#0FEH,Q0100
MOV A,R1
ADD A,DPL
MOV R0,A
MOVX A,@R0
RET
;==========================================================================
Q0100: MOV A,DPL
ADD A,R1
MOV DPL,A
MOV A,DPH
ADDC A,R2
MOV DPH,A
CLR A
MOVC A,@A+DPTR
RET
;==========================================================================
Q010D: MOV R0,A
CJNE R3,#01H,Q011E
MOV A,DPL
ADD A,R1
MOV DPL,A
MOV A,DPH
ADDC A,R2
MOV DPH,A
MOV A,R0
MOVX @DPTR,A
RET
;==========================================================================
Q011E: JNC Q0126
MOV A,R1
ADD A,DPL
XCH A,R0
MOV @R0,A
RET
;==========================================================================
Q0126: CJNE R3,#0FEH,Q012E
MOV A,R1
ADD A,DPL
XCH A,R0
MOVX @R0,A
Q012E: RET
;==========================================================================
Q012F: DB 0BCH, 00H, 0BH,0BEH, 00H, 29H,0EFH, 8DH
Q0137: DB 0F0H, 84H,0FFH,0ADH,0F0H, 22H,0E4H,0CCH
Q013F: DB 0F8H, 75H,0F0H, 08H,0EFH, 2FH,0FFH,0EEH
Q0147: DB 33H,0FEH,0ECH, 33H,0FCH,0EEH, 9DH,0ECH
Q014F: DB 98H, 40H, 05H,0FCH,0EEH, 9DH,0FEH, 0FH
Q0157: DB 0D5H,0F0H,0E9H,0E4H,0CEH,0FDH, 22H,0EDH
Q015F: DB 0F8H,0F5H,0F0H,0EEH, 84H, 20H,0D2H, 1CH
Q0167: DB 0FEH,0ADH,0F0H, 75H,0F0H, 08H,0EFH, 2FH
Q016F: DB 0FFH,0EDH, 33H,0FDH, 40H, 07H, 98H, 50H
Q0177: DB 06H,0D5H,0F0H,0F2H, 22H,0C3H, 98H,0FDH
Q017F: DB 0FH,0D5H,0F0H,0EAH, 22H
;==========================================================================
Q0184: MOV A,15H
ADD A,#0FEH
JZ Q019D
DEC A
JZ Q01C1
DEC A
JZ Q01E4
ADD A,#03H
JNZ Q0205
CPL EA
JNB EA,Q0208
SETB 20H.2
SJMP Q0208
Q019D: SETB EA
JNB 20H.0,Q01BA
MOV A,14H
CJNE A,#01H,Q01AC
MOV 14H,#02H
SJMP Q01B3
Q01AC: CLR A
MOV 14H,A
CLR 20H.0
CLR EA
Q01B3: CLR A
MOV 1CH,A
MOV 1DH,A
SJMP Q0208
Q01BA: SETB 20H.0
MOV 14H,#01H
SJMP Q0208
Q01C1: MOV A,14H
CJNE A,#01H,Q01D4
MOV A,16H
CJNE A,#63H,Q01D0
CLR A
MOV 16H,A
SJMP Q01E0
Q01D0: INC 16H
SJMP Q01E0
Q01D4: MOV A,17H
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