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📄 bcd.src

📁 我同事做的一个CS5522的51单片机的驱动,用的是89S52,开发环境是KEIL C
💻 SRC
字号:
🔍 
; .\bcd.SRC generated from: .\bcd.c

$NOMOD51

NAME	BCD

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
T2	BIT	090H.0
EA	BIT	0A8H.7
IE	DATA	0A8H
EXF2	BIT	0C8H.6
RD	BIT	0B0H.7
ES	BIT	0A8H.4
IP	DATA	0B8H
RI	BIT	098H.0
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
TI	BIT	098H.1
INT1	BIT	0B0H.3
RCAP2H	DATA	0CBH
PS	BIT	0B8H.4
SP	DATA	081H
T2EX	BIT	090H.1
OV	BIT	0D0H.2
RCAP2L	DATA	0CAH
C_T2	BIT	0C8H.1
WR	BIT	0B0H.6
RCLK	BIT	0C8H.5
TCLK	BIT	0C8H.4
SBUF	DATA	099H
PCON	DATA	087H
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
IE0	BIT	088H.1
IE1	BIT	088H.3
B	DATA	0F0H
CP_RL2	BIT	0C8H.0
ACC	DATA	0E0H
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
TB8	BIT	098H.3
EX1	BIT	0A8H.2
IT1	BIT	088H.2
TH2	DATA	0CDH
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
TL2	DATA	0CCH
PT0	BIT	0B8H.1
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
PT2	BIT	0B8H.5
TR0	BIT	088H.4
RS1	BIT	0D0H.4
TR1	BIT	088H.6
TR2	BIT	0C8H.2
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
EXEN2	BIT	0C8H.3
REN	BIT	098H.4
T2CON	DATA	0C8H
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?bcd_change?BCD   SEGMENT CODE INBLOCK 
?DT?bcd_change?BCD   SEGMENT DATA OVERLAYABLE 
	EXTRN	DATA (t_d)
	EXTRN	DATA (dis_data)
	EXTRN	CODE (?C?LMUL)
	EXTRN	CODE (?C?ULCMP)
	PUBLIC	bcd_change

	RSEG  ?DT?bcd_change?BCD
?bcd_change?BYTE:
   bcd_temp?040:   DS   4
; //*********************************
; //文件BCD.C
; #include<reg52.h>
; //**********************************
; extern unsigned char data dis_data[3];   //三字结的被显示数。
; extern unsigned char data  t_d[8];    //需要显示的每位数。 
; void bcd_change(void)

	RSEG  ?PR?bcd_change?BCD
bcd_change:
	USING	0
			; SOURCE LINE # 7
;          {
			; SOURCE LINE # 8
; 		   unsigned long  bcd_temp;		
; 		   bcd_temp=dis_data[2]*65536;
			; SOURCE LINE # 10
	MOV  	R7,dis_data+02H
	CLR  	A
	MOV  	R4,A
	MOV  	R5,A
	MOV  	R6,A
	MOV  	R3,A
	MOV  	R2,A
	MOV  	R1,#01H
	MOV  	R0,A
	ACALL	?C?LMUL
	MOV  	bcd_temp?040+03H,R7
	MOV  	bcd_temp?040+02H,R6
	MOV  	bcd_temp?040+01H,R5
	MOV  	bcd_temp?040,R4
; 		   bcd_temp=bcd_temp+dis_data[1]*256;
			; SOURCE LINE # 11
	MOV  	A,dis_data+01H
	MOV  	R6,A
	CLR  	A
	MOV  	R4,A
	MOV  	R5,A
	ADD  	A,bcd_temp?040+03H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,R6
	MOV  	bcd_temp?040+02H,A
	MOV  	A,R5
	ADDC 	A,bcd_temp?040+01H
	MOV  	bcd_temp?040+01H,A
	MOV  	A,R4
	ADDC 	A,bcd_temp?040
	MOV  	bcd_temp?040,A
; 	       bcd_temp=bcd_temp+dis_data[0];
			; SOURCE LINE # 12
	CLR  	A
	MOV  	R6,A
	MOV  	A,bcd_temp?040+03H
	ADD  	A,dis_data
	MOV  	bcd_temp?040+03H,A
	MOV  	A,R6
	ADDC 	A,bcd_temp?040+02H
	MOV  	bcd_temp?040+02H,A
	MOV  	A,R5
	ADDC 	A,bcd_temp?040+01H
	MOV  	bcd_temp?040+01H,A
	MOV  	A,R4
	ADDC 	A,bcd_temp?040
	MOV  	bcd_temp?040,A
?C0001:
; 		   while(bcd_temp>=10000000)
			; SOURCE LINE # 13
	MOV  	R7,#080H
	MOV  	R6,#096H
	MOV  	R5,#098H
	MOV  	R4,#00H
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0003
; 			 {
			; SOURCE LINE # 14
; 			   bcd_temp=bcd_temp-10000000;								 
			; SOURCE LINE # 15
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#080H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#069H
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#067H
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 			   t_d[7]=t_d[7]+1;
			; SOURCE LINE # 16
	INC  	t_d+07H
; 			 }
			; SOURCE LINE # 17
	SJMP 	?C0001
?C0003:
; 		   while(bcd_temp>=1000000)
			; SOURCE LINE # 18
	MOV  	R7,#040H
	MOV  	R6,#042H
	MOV  	R5,#0FH
	MOV  	R4,#00H
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0005
; 		     {
			; SOURCE LINE # 19
; 			   bcd_temp=bcd_temp-1000000;
			; SOURCE LINE # 20
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#0C0H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#0BDH
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#0F0H
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 			   t_d[6]=t_d[6]+1;
			; SOURCE LINE # 21
	INC  	t_d+06H
; 		     }
			; SOURCE LINE # 22
	SJMP 	?C0003
?C0005:
; 		   while(bcd_temp>=100000)
			; SOURCE LINE # 23
	MOV  	R7,#0A0H
	MOV  	R6,#086H
	MOV  	R5,#01H
	MOV  	R4,#00H
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0007
; 			 {
			; SOURCE LINE # 24
; 			   bcd_temp=bcd_temp-100000;
			; SOURCE LINE # 25
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#060H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#079H
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#0FEH
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 		      t_d[5]=t_d[5]+1;
			; SOURCE LINE # 26
	INC  	t_d+05H
; 			 }
			; SOURCE LINE # 27
	SJMP 	?C0005
?C0007:
; 			while(bcd_temp>=10000) 
			; SOURCE LINE # 28
	CLR  	A
	MOV  	R7,#010H
	MOV  	R6,#027H
	MOV  	R5,A
	MOV  	R4,A
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0009
; 			 {
			; SOURCE LINE # 29
; 			   bcd_temp=bcd_temp-10000;
			; SOURCE LINE # 30
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#0F0H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#0D8H
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 			   t_d[4]=t_d[4]+1;
			; SOURCE LINE # 31
	INC  	t_d+04H
; 		
; 			 }
			; SOURCE LINE # 33
	SJMP 	?C0007
?C0009:
; 			while(bcd_temp>=1000) 
			; SOURCE LINE # 34
	CLR  	A
	MOV  	R7,#0E8H
	MOV  	R6,#03H
	MOV  	R5,A
	MOV  	R4,A
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0011
; 			 {
			; SOURCE LINE # 35
; 			   bcd_temp=bcd_temp-1000;
			; SOURCE LINE # 36
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#018H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#0FCH
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 	         t_d[3]=t_d[3]+1;
			; SOURCE LINE # 37
	INC  	t_d+03H
; 			 
; 			 }
			; SOURCE LINE # 39
	SJMP 	?C0009
?C0011:
; 			 while(bcd_temp>=100) 
			; SOURCE LINE # 40
	CLR  	A
	MOV  	R7,#064H
	MOV  	R6,A
	MOV  	R5,A
	MOV  	R4,A
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0013
; 			 {
			; SOURCE LINE # 41
; 			   bcd_temp=bcd_temp-100;
			; SOURCE LINE # 42
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#09CH
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 	         t_d[2]=t_d[2]+1;
			; SOURCE LINE # 43
	INC  	t_d+02H
; 			 
; 			 }
			; SOURCE LINE # 45
	SJMP 	?C0011
?C0013:
; 			 while(bcd_temp>=10) 
			; SOURCE LINE # 46
	CLR  	A
	MOV  	R7,#0AH
	MOV  	R6,A
	MOV  	R5,A
	MOV  	R4,A
	MOV  	R3,bcd_temp?040+03H
	MOV  	R2,bcd_temp?040+02H
	MOV  	R1,bcd_temp?040+01H
	MOV  	R0,bcd_temp?040
	CLR  	C
	ACALL	?C?ULCMP
	JC   	?C0014
; 			 {
			; SOURCE LINE # 47
; 			   bcd_temp=bcd_temp-10;
			; SOURCE LINE # 48
	MOV  	A,bcd_temp?040+03H
	ADD  	A,#0F6H
	MOV  	bcd_temp?040+03H,A
	MOV  	A,bcd_temp?040+02H
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040+02H,A
	MOV  	A,bcd_temp?040+01H
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040+01H,A
	MOV  	A,bcd_temp?040
	ADDC 	A,#0FFH
	MOV  	bcd_temp?040,A
; 	    	   t_d[1]=t_d[1]+1;
			; SOURCE LINE # 49
	INC  	t_d+01H
; 			 
; 			 } 
			; SOURCE LINE # 51
	SJMP 	?C0013
?C0014:
; 	         t_d[0]=bcd_temp;	 
			; SOURCE LINE # 52
	MOV  	t_d,bcd_temp?040+03H
; 		 
; 		 
; 		 
; 		 
; 		 
;   }
			; SOURCE LINE # 58
	RET  	
; END OF bcd_change

	END

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