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📄 key.asm

📁 税控收款机软件。包括底层驱动和上层的应用一起。是一个完整的税控收款机软件方案
💻 ASM
字号:
$NOMOD51

NAME	KEY

POINTPULSEPIN	BIT	090H.6
P1	DATA	090H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
P4	DATA	0C0H
T1	BIT	0B0H.5
T2	BIT	090H.0
EA	BIT	0A8H.7
WDKEY	DATA	0AEH
UISTA	DATA	0E8H
ENI1	BIT	0D8H.6
IE	DATA	0A8H
a0	BIT	0E0H.0
P1_0	BIT	090H.0
a1	BIT	0E0H.1
P1_1	BIT	090H.1
a2	BIT	0E0H.2
P1_2	BIT	090H.2
P3_0	BIT	0B0H.0
a3	BIT	0E0H.3
P1_3	BIT	090H.3
CARD_IO	BIT	0C0H.0
P4_0	BIT	0C0H.0
P3_1	BIT	0B0H.1
a4	BIT	0E0H.4
P1_4	BIT	090H.4
P4_1	BIT	0C0H.1
P3_2	BIT	0B0H.2
a5	BIT	0E0H.5
P1_5	BIT	090H.5
P4_2	BIT	0C0H.2
P3_3	BIT	0B0H.3
EXF2	BIT	0C8H.6
WDRST	DATA	0A6H
a6	BIT	0E0H.6
P1_6	BIT	090H.6
P4_3	BIT	0C0H.3
P3_4	BIT	0B0H.4
a7	BIT	0E0H.7
P1_7	BIT	090H.7
P4_4	BIT	0C0H.4
P3_5	BIT	0B0H.5
ES	BIT	0A8H.4
S1SETUP	DATA	0D1H
P4_5	BIT	0C0H.5
P3_6	BIT	0B0H.6
S2SETUP	DATA	0D2H
IP	DATA	0B8H
P4_6	BIT	0C0H.6
P3_7	BIT	0B0H.7
P4_7	BIT	0C0H.7
RI	BIT	098H.0
ADAT	DATA	096H
ADDR	BIT	0D8H.3
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
UDR0	DATA	0EFH
INT1	BIT	0B0H.3
TI	BIT	098H.1
UDT0	DATA	0E7H
UDT1	DATA	0E6H
RXD2	BIT	090H.2
ACON	DATA	097H
RCAP2H	DATA	0CBH
TXD2	BIT	090H.3
PS	BIT	0B8H.4
SP	DATA	081H
T2EX	BIT	090H.1
DDCADR	DATA	0D6H
ASCL	DATA	095H
DDCSDA	BIT	0C0H.0
OV	BIT	0D0H.2
PWM0	DATA	0A2H
DDCDAT	DATA	0D5H
PWM1	DATA	0A3H
RCAP2L	DATA	0CAH
A15	BIT	0B0H.2
PWM2	DATA	0A4H
PWM3	DATA	0A5H
C_T2	BIT	0C8H.1
EOPF	BIT	0E8H.1
PSCL0H	DATA	0B2H
RCLK	BIT	0C8H.5
UADR	DATA	0EEH
DDCCON	DATA	0D7H
TCLK	BIT	0C8H.4
DDCSCL	BIT	0C0H.1
PSCL0L	DATA	0B1H
PWMCH0	BIT	0C0H.3
SBUF	DATA	099H
PCON	DATA	087H
PWMCH1	BIT	0C0H.4
UIEN	DATA	0E9H
PWMCH2	BIT	0C0H.5
PWMCH3	BIT	0C0H.6
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
USCL	DATA	0E1H
IE0	BIT	088H.1
USTA	DATA	0EDH
IE1	BIT	088H.3
RAMBUF	DATA	0D4H
RSTF	BIT	0E8H.5
B	DATA	0F0H
CP_RL2	BIT	0C8H.0
CR0	BIT	0D8H.0
CR1	BIT	0D8H.1
CR2	BIT	0D8H.7
ACC	DATA	0E0H
PrnCS	BIT	090H.5
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
ET2	BIT	0A8H.5
TF1	BIT	088H.7
TF2	BIT	0C8H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
PRN_D9	BIT	0B0H.5
EX1	BIT	0A8H.2
IT1	BIT	088H.2
TB8	BIT	098H.3
TH2	DATA	0CDH
P	BIT	0D0H.0
IEA	DATA	0A7H
A_0	BIT	0E0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
B_0	BIT	0F0H.0
A_1	BIT	0E0H.1
SM1	BIT	098H.6
TL1	DATA	08BH
B_1	BIT	0F0H.1
A_2	BIT	0E0H.2
SM2	BIT	098H.5
TL2	DATA	0CCH
B_2	BIT	0F0H.2
A_3	BIT	0E0H.3
B_3	BIT	0F0H.3
A_4	BIT	0E0H.4
RESUMF	BIT	0E8H.0
PT0	BIT	0B8H.1
B_4	BIT	0F0H.4
A_5	BIT	0E0H.5
I2CSC	BIT	0B0H.7
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
B_5	BIT	0F0H.5
A_6	BIT	0E0H.6
CARD_IO_SAM	BIT	0C0H.4
I2CSD	BIT	0B0H.6
PT2	BIT	0B8H.5
TR0	BIT	088H.4
RS1	BIT	0D0H.4
PWMCON	DATA	0A1H
B_6	BIT	0F0H.6
A_7	BIT	0E0H.7
TR1	BIT	088H.6
B_7	BIT	0F0H.7
TR2	BIT	0C8H.2
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
IPA	DATA	0B7H
S1ADR	DATA	0DBH
DPH	DATA	083H
S2ADR	DATA	0DFH
S1DAT	DATA	0DAH
SUSPND	BIT	0E8H.7
S2DAT	DATA	0DEH
DPL	DATA	082H
DDCVSYNC	BIT	0C0H.2
PRN_LIFT_RIGHT	BIT	090H.7
EXEN2	BIT	0C8H.3
SBUF2	DATA	09BH
RXD0F	BIT	0E8H.3
REN	BIT	098H.4
S1CON	DATA	0D8H
RXD1F	BIT	0E8H.2
UCON0	DATA	0EAH
S2CON	DATA	0DCH
SCON2	DATA	09AH
TXD0F	BIT	0E8H.4
UCON1	DATA	0EBH
T2MOD	DATA	0C9H
T2CON	DATA	0C8H
STA	BIT	0D8H.5
UCON2	DATA	0ECH
S1STA	DATA	0D9H
RXD	BIT	0B0H.0
S2STA	DATA	0DDH
P1SFS	DATA	091H
TXD	BIT	0B0H.1
P3SFS	DATA	093H
P4SFS	DATA	094H
F0	BIT	0D0H.5
STO	BIT	0D8H.4
ADC0	BIT	090H.4
ADC1	BIT	090H.5
ADC2	BIT	090H.6
PSW	DATA	0D0H
ADC3	BIT	090H.7
?PR?GetKey?KEY       SEGMENT CODE 
?DT?GetKey?KEY       SEGMENT DATA OVERLAYABLE 
?C_INITSEG           SEGMENT CODE 
?XD?KEY              SEGMENT XDATA 
?XD?GetKey?KEY       SEGMENT XDATA OVERLAYABLE 
	EXTRN	CODE (DL30MS)
	EXTRN	DATA (keyc)
	EXTRN	XDATA (f_shouxie)
	PUBLIC	UPSD_xreg
	PUBLIC	keybuffer
	PUBLIC	GetKey

	XSEG  AT  0200H
      UPSD_xreg:   DS   256

	RSEG  ?DT?GetKey?KEY
?GetKey?BYTE:
          i?040:   DS   1
     Prekey?041:   DS   1

	RSEG  ?XD?KEY
      keybuffer:   DS   47

	RSEG  ?XD?GetKey?KEY
          j?042:   DS   2

	RSEG  ?XD?GetKey?KEY
          k?043:   DS   2

	RSEG  ?C_INITSEG
	DB	060H
	DB	02FH
	DW	keybuffer
	DB	071H
	DB	077H
	DB	065H
	DB	072H
	DB	074H
	DB	079H
	DB	075H
	DB	069H
	DB	06FH
	DB	070H
	DB	06CH
	DB	06BH
	DB	07AH
	DB	078H
	DB	063H
	DB	076H
	DB	062H
	DB	06EH
	DB	02EH
	DB	02BH
	DB	003H
	DB	006H
	DB	009H
	DB	008H
	DB	061H
	DB	073H
	DB	064H
	DB	066H
	DB	067H
	DB	068H
	DB	020H
	DB	06AH
	DB	06DH
	DB	00DH
	DB	096H
	DB	000H
	DB	01BH
	DB	00BH
	DB	093H
	DB	080H
	DB	00FH
	DB	03FH
	DB	007H
	DB	005H
	DB	004H
	DB	002H
	DB	001H


	RSEG  ?PR?GetKey?KEY
GetKey:
	USING	0

	CLR  	A
	MOV  	i?040,A
	MOV  	DPTR,#UPSD_xreg+07H
	MOV  	A,#07H
	MOVX 	@DPTR,A
	CLR  	A
	MOV  	DPTR,#UPSD_xreg+05H
	MOVX 	@DPTR,A
?C0001:
	MOV  	DPTR,#f_shouxie
	MOVX 	A,@DPTR
	MOV  	R7,A
	CJNE 	A,#01H,?C0003
	MOV  	keyc,#020H
	RET  	
?C0003:
	MOV  	A,R7
	CJNE 	A,#02H,?C0005
	MOV  	keyc,#0F0H
	RET  	
?C0005:
	MOV  	DPTR,#UPSD_xreg+05H
	MOV  	A,i?040
	MOVX 	@DPTR,A
	ORL  	P1SFS,#010H
	CLR  	A
	MOV  	ASCL,A
	ANL  	ACON,#0D1H
	ORL  	ACON,#022H
	LCALL	DL30MS
?C0006:
	MOV  	A,ACON
	JNB  	ACC.0,?C0006
?C0007:
	ANL  	ACON,#0DFH
	MOV  	B,ADAT
	MOV  	A,ADAT
	CLR  	C
	SUBB 	A,#0DCH
	JC   	$ + 5H
	LJMP 	?C0008
	CLR  	A
	MOV  	DPTR,#j?042
	MOVX 	@DPTR,A
	INC  	DPTR
	MOVX 	@DPTR,A
?C0009:
	MOV  	DPTR,#j?042+01H
	MOVX 	A,@DPTR
	INC  	A
	MOVX 	@DPTR,A
	JNZ  	?C0040
	MOV  	DPTR,#j?042
	MOVX 	A,@DPTR
	INC  	A
	MOVX 	@DPTR,A
?C0040:
	MOV  	DPTR,#j?042
	MOVX 	A,@DPTR
	CJNE 	A,#02EH,?C0009
	INC  	DPTR
	MOVX 	A,@DPTR
	CJNE 	A,#0E0H,?C0009
?C0010:
	MOV  	A,B
	SETB 	C
	SUBB 	A,#01BH
	JNC  	?C0012
	MOV  	B,#08H
?C0012:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#01FH
	JC   	?C0013
	MOV  	A,B
	SETB 	C
	SUBB 	A,#02DH
	JNC  	?C0013
	MOV  	B,#07H
?C0013:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#037H
	JC   	?C0014
	MOV  	A,B
	SETB 	C
	SUBB 	A,#046H
	JNC  	?C0014
	MOV  	B,#06H
?C0014:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#050H
	JC   	?C0015
	MOV  	A,B
	SUBB 	A,#076H
	JNC  	?C0015
	MOV  	B,#05H
?C0015:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#078H
	JC   	?C0016
	MOV  	A,B
	SETB 	C
	SUBB 	A,#08CH
	JNC  	?C0016
	MOV  	B,#04H
?C0016:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#08DH
	JC   	?C0017
	MOV  	A,B
	SETB 	C
	SUBB 	A,#0A5H
	JNC  	?C0017
	MOV  	B,#03H
?C0017:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#0AAH
	JC   	?C0018
	MOV  	A,B
	SETB 	C
	SUBB 	A,#0B9H
	JNC  	?C0018
	MOV  	B,#02H
?C0018:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#0BEH
	JC   	?C0019
	MOV  	A,B
	SETB 	C
	SUBB 	A,#0CDH
	JNC  	?C0019
	MOV  	B,#01H
?C0019:
	MOV  	A,B
	CLR  	C
	SUBB 	A,#0CEH
	JC   	?C0021
	MOV  	A,B
	SETB 	C
	SUBB 	A,#0E5H
	JNC  	?C0021
	CLR  	A
	MOV  	B,A
	SJMP 	?C0021
?C0008:
	MOV  	B,#09H
?C0021:
	MOV  	A,B
	CJNE 	A,#09H,?C0022
	MOV  	DPTR,#k?043+01H
	MOVX 	A,@DPTR
	INC  	A
	MOVX 	@DPTR,A
	JNZ  	?C0042
	MOV  	DPTR,#k?043
	MOVX 	A,@DPTR
	INC  	A
	MOVX 	@DPTR,A
?C0042:
?C0022:
	CLR  	C
	MOV  	DPTR,#k?043+01H
	MOVX 	A,@DPTR
	SUBB 	A,#0D0H
	MOV  	DPTR,#k?043
	MOVX 	A,@DPTR
	SUBB 	A,#07H
	JC   	?C0023
	CLR  	A
	MOV  	Prekey?041,A
	MOVX 	@DPTR,A
	INC  	DPTR
	MOVX 	@DPTR,A
?C0023:
	MOV  	A,B
	SETB 	C
	SUBB 	A,#08H
	JC   	$ + 5H
	LJMP 	?C0024
	CLR  	A
	MOV  	DPTR,#k?043
	MOVX 	@DPTR,A
	INC  	DPTR
	MOVX 	@DPTR,A
	MOV  	R7,B
	MOV  	B,#06H
	MOV  	A,i?040
	MUL  	AB
	ADD  	A,R7
	MOV  	DPL,A
	CLR  	A
	ADDC 	A,B
	MOV  	DPH,A
	MOV  	A,DPL
	ADD  	A,#LOW (keybuffer)
	MOV  	DPL,A
	MOV  	A,DPH
	ADDC 	A,#HIGH (keybuffer)
	MOV  	DPH,A
	MOVX 	A,@DPTR
	MOV  	keyc,A
	MOV  	A,Prekey?041
	XRL  	A,#093H
	JNZ  	?C0025
	MOV  	A,keyc
	CLR  	C
	SUBB 	A,#061H
	JC   	?C0026
	MOV  	A,keyc
	SETB 	C
	SUBB 	A,#07AH
	JNC  	?C0026
	MOV  	A,#0E0H
	ADD  	A,keyc
	MOV  	keyc,A
?C0026:
	MOV  	A,keyc
	CJNE 	A,#01H,?C0027
	MOV  	keyc,#021H
?C0027:
	MOV  	A,keyc
	CJNE 	A,#02H,?C0028
	MOV  	keyc,#040H
?C0028:
	MOV  	A,keyc
	CJNE 	A,#03H,?C0029
	MOV  	keyc,#023H
?C0029:
	MOV  	A,keyc
	CJNE 	A,#04H,?C0030
	MOV  	keyc,#024H
?C0030:
	MOV  	A,keyc
	CJNE 	A,#05H,?C0031
	MOV  	keyc,#025H
?C0031:
	MOV  	A,keyc
	CJNE 	A,#06H,?C0032
	MOV  	keyc,#05EH
?C0032:
	MOV  	A,keyc
	CJNE 	A,#07H,?C0033
	MOV  	keyc,#026H
?C0033:
	MOV  	A,keyc
	CJNE 	A,#08H,?C0034
	MOV  	keyc,#02AH
?C0034:
	MOV  	A,keyc
	CJNE 	A,#09H,?C0035
	MOV  	keyc,#028H
?C0035:
	MOV  	A,keyc
	JNZ  	?C0036
	MOV  	keyc,#029H
?C0036:
	MOV  	A,keyc
	CJNE 	A,#02DH,?C0037
	MOV  	keyc,#05FH
?C0037:
	MOV  	A,keyc
	CJNE 	A,#03DH,?C0025
	MOV  	keyc,#02BH
?C0025:
	MOV  	Prekey?041,keyc
	MOV  	A,keyc
	CJNE 	A,#080H,?C0004
	MOV  	DPTR,#UPSD_xreg+04H
	MOVX 	A,@DPTR
	ORL  	A,#020H
	MOVX 	@DPTR,A
	LCALL	DL30MS
	LCALL	DL30MS
	MOV  	DPTR,#UPSD_xreg+04H
	MOVX 	A,@DPTR
	ANL  	A,#0DFH
	MOVX 	@DPTR,A
	RET  	
?C0024:
	INC  	i?040
	ANL  	i?040,#07H
	LJMP 	?C0001
?C0004:
	RET  	

	END

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